Photo of Andrew Zydney

Andrew Zydney

Bayard D. Kunkle Chair and professor of chemical engineering

Affiliation(s):

  • Chemical Engineering

404 Chemical and Biomedical Engineering Building

alz3@psu.edu

814-863-7113

Personal or Departmental Website

Research Areas:

Biotechnology and Synthetic Biology; Separations and Transport

Interest Areas:

Membrane Separation Systems for Bioprocessing and Medical Devices: Purification of high-value biological products including recombinant proteins, gene therapy agents, and vaccines; application of membrane systems for bioseparations and artificial organs.

 
 

 

Education

  • BS, Chemical Engineering, Yale University, 1980
  • Ph D, Chemical Engineering, Massachusetts Institute of Technology, 1985

Publications

Books

  • L. J. Zeman and Andrew Zydney, 1996, Microfiltration and Ultrafiltration: Principles and Applications, Marcel Dekker, Inc., New York, NY

Journal Articles

  • Kevork Messerian, Zhuoshi Du, Neil Taylor and Andrew Zydney, 2023, "Challenges & opportunities in sterile filtration of vaccines", Vaccine Insights, 2, (11), pp. 475-483
  • Matthew Billups, Mirko Minervini, Melissa Holstein, Hasin Feroz, Swarnim Ranjan, Jessica Hung and Andrew Zydney, 2023, "The role of intermolecular interactions on monoclonal antibody filtration through virus removal membranes", Biotechnology Journal, 18, (12)
  • Aylin Mohammadzadehmarandi, Amy Determan, Christian Krumm, Lucas D. McIntosh and Andrew Zydney, 2023, "High-performance countercurrent membrane purification for host cell protein removal from monoclonal antibody products", Biotechnology and Bioengineering, 120, (12), pp. 3585-3591
  • Joshua Peles, Benjamin Cacace, Christina Carbrello, Sal Giglia and Andrew Zydney, 2023, "Protein fouling during constant-flux virus filtration: Mechanisms and modeling", Biotechnology and Bioengineering, 120, (11), pp. 3357-3367
  • Kevork Oliver Messerian, Anton Zverev, Jack F. Kramarczyk and Andrew Zydney, 2023, "Characterization and associated pressure-dependent behavior of deposits formed during sterile filtration of mRNA-Lipid nanoparticles", Journal of Membrane Science, 684
  • Sambit Ghosh, Matthew Mergy, Mirko Minervini, Jacinta Okpanum, Steven M. Cramer, B. Wayne Bequette, Andrew Zydney and Todd M. Przybycien, 2023, "Smart Manufacturing Implementation of a Continuous Downstream Precipitation and Filtration Process for Antibody Purification", Smart and Sustainable Manufacturing Systems, 7, (1), pp. 129-147
  • Hooman Chamani, Arash Rabbani, Kaitlyn P. Russell, Andrew Zydney, Enrique Daniel Gomez, Jason Hattrick-Simpers and Jay R. Werber, 2023, "Data-science-based reconstruction of 3-D membrane pore structure using a single 2-D micrograph", Journal of Membrane Science, 678
  • Liang Kai Chu, Ehsan Espah Borujeni, Xuankuo Xu, Sanchayita Ghose and Andrew Zydney, 2023, "Comparison of host cell protein removal by depth filters with diatomaceous earth and synthetic silica filter aids using model proteins", Biotechnology and Bioengineering, 120, (7), pp. 1882-1890
  • Zhuoshi Du, Kanwaldeep Gill, Vishal Toprani and Andrew Zydney, 2023, "Sterile filtration of a multi-serotype glycoconjugate vaccine drug product", Biotechnology and Bioengineering, 120, (5), pp. 1316-1322
  • Vikram Sundar, Da Zhang, Xianghong Qian, S. Ranil Wickramasinghe, John Paul Smelko, Christina Carbrello, Yara Jabbour Al Maalouf and Andrew Zydney, 2023, "Use of scanning electron microscopy and energy dispersive X-ray spectroscopy to identify key fouling species during alternating tangential filtration", Biotechnology Progress, 39, (3)
  • Akshay S. Chaubal and Andrew Zydney, 2023, "Single-Pass Tangential Flow Filtration (SPTFF) of Nanoparticles: Achieving Sustainable Operation with Dilute Colloidal Suspensions for Gene Therapy Applications", Membranes, 13, (4)
  • Kaitlyn P. Russell, Andrew Zydney and Enrique Daniel Gomez, 2023, "Impact of virus filter pore size / morphology on virus retention behavior", Journal of Membrane Science, 670
  • Mirko Minervini, Matthew Mergy, Yuncan Zhu, Mario A. Gutierrez Diaz, Craig Pointer, Oleg Shinkazh, Sheldon F. Oppenheim, Steven M. Cramer, Todd M. Przybycien and Andrew Zydney, 2023, "Continuous precipitation-filtration process for initial capture of a monoclonal antibody product using a four-stage countercurrent hollow fiber membrane washing step", Biotechnology and Bioengineering
  • Mohammad A. Afzal and Andrew Zydney, 2023, "Impact of proteins and protein fouling on virus retention during virus removal filtration", Biotechnology and Bioengineering
  • Patrick Romann, Philip Giller, Antony Sibilia, Christoph Herwig, Andrew Zydney, Arnaud Perilleux, Jonathan Souquet, Jean Marc Bielser and Thomas K. Villiger, 2023, "Co-current filtrate flow in TFF perfusion processes: Decoupling transmembrane pressure from crossflow to improve product sieving", Biotechnology and Bioengineering
  • Henry J. Tanudjaja, Aditya Anantharaman, Angie Qi Ng, Yunqiao Ma, Melike Begüm Tanis-Kanbur, Andrew Zydney and Jia Wei Chew, 2022, "A review of membrane fouling by proteins in ultrafiltration and microfiltration", Journal of Water Process Engineering, 50
  • Kevork Oliver Messerian, Anton Zverev, Jack F. Kramarczyk and Andrew Zydney, 2022, "Pressure-dependent fouling behavior during sterile filtration of mRNA-containing lipid nanoparticles", Biotechnology and Bioengineering, 119, (11), pp. 3221-3229
  • Mirko Minervini and Andrew Zydney, 2022, "Effect of module geometry on the sustainable flux during microfiltration of precipitated IgG", Journal of Membrane Science, 660, pp. 120834
  • Joshua Peles, Benjamin Cacace, Christina Carbrello, Sal Giglia and Andrew Zydney, 2022, "Global pore blockage - cake filtration model including pressure effects on protein fouling in virus filtration", Journal of Membrane Science, 662, pp. 120961
  • Anna Malakian, Seon Yeop Jung, Mohammad A. Afzal, Christina Carbrello, Sal Giglia, Matthew Michael Johnson, Corinne Miller, William Rayfield, Dave Boenitz, David Cetlin and Andrew Zydney, 2022, "Development of a transient inline spiking system for evaluating virus clearance in continuous bioprocessing—Proof of concept for virus filtration", Biotechnology and Bioengineering, 119, (8), pp. 2134-2141
  • Anurag S. Rathore, Andrew Zydney, Anupa Anupa, Saxena Nikita and Neelesh Gangwar, 2022, "Enablers of continuous processing of biotherapeutic products", Trends in Biotechnology, 40, (7), pp. 804-815
  • Neil Taylor, Matt Morris, Alex Wee, Wanli (Justin) Ma, Adam Kristopeit, Sheng-ching Wang and Andrew Zydney, 2022, "Bacterial Retention During Filtration of a Live Attenuated Virus Vaccine Through the Sartobran P Sterile Filter", Journal of Pharmaceutical Sciences, 111, (7), pp. 1887-1895
  • Mohammad A. Afzal and Andrew Zydney, 2022, "Effect of filtrate flux and process disruptions on virus retention by a relatively homogeneous virus removal membrane", Biotechnology Progress, 38, (4)
  • Zhuoshi Du, Seyed Pouria Motevalian, Brenda Carrillo Conde, Kelvin Reilly and Andrew Zydney, 2022, "Scale-up ?issues during sterile filtration of glycoconjugate vaccines", Biotechnology Progress, 38, (4)
  • Neil Taylor, Wanli Ma, Adam Kristopeit, Sheng-ching Wang and Andrew Zydney, 2022, "Evaluating Nanoparticle Hydrophobicity Using Analytical Membrane Hydrophobic Interaction Chromatography", Analytical Chemistry, 94, (24), pp. 8668-8673
  • Andrew Zydney, 2022, "Development of a new blocking model for membrane fouling based on a composite media model", Journal of Membrane Science Letters, 2, (1), pp. 100018
  • Solomon Isu, Xianghong Qian, Andrew Zydney and S. Ranil Wickramasinghe, 2022, "Process- and Product-Related Foulants in Virus Filtration", Bioengineering, 9, (4), pp. 155
  • Negin Nejatishahidein, Minyoung Kim, Seon Y. Jung, Ehsan E. Borujeni, Lara Fernandez-Cerezo, David J. Roush, Ali Borhan and Andrew Zydney, 2022, "Scale-up issues for commercial depth filters in bioprocessing", Biotechnology and Bioengineering, 119, (4), pp. 1105-1114
  • Joshua Peles, Fatemeh Fallahianbijan, Benjamin Cacace, Christina Carbrello, Sal Giglia and Andrew Zydney, 2022, "Effect of operating pressure on protein fouling during constant-pressure virus removal filtration", Journal of Membrane Science, 648, pp. 120351
  • Neil Taylor, Wanli (Justin) Ma, Adam Kristopeit, Sheng-Ching Wang and Andrew Zydney, 2022, "Enhancing the performance of sterile filtration for viral vaccines and model nanoparticles using an appropriate prefilter", Journal of Membrane Science, 647, pp. 120264
  • Liang-Kai Chu, S. Ranil Wickramasinghe, Xianghong Qian and Andrew Zydney, 2022, "Retention and Fouling during Nanoparticle Filtration: Implications for Membrane Purification of Biotherapeutics", Membranes, 12, (3), pp. 299
  • Mario G. Jabra and Andrew Zydney, 2022, "Design and optimization of Single Pass Tangential Flow Filtration for inline concentration of monoclonal antibodies", Journal of Membrane Science, 643, pp. 120047
  • Matthew Billups, Mirko Minervini, Melissa Holstein, Hasin Feroz, Swarnim Ranjan, Jessica Hung, Haiying Bao, Zheng Jian Li, Sanchayita Ghose and Andrew Zydney, 2022, "Role of membrane structure on the filtrate flux during monoclonal antibody filtration through virus retentive membranes", Biotechnology Progress, 38, (2)
  • Christopher J. Yehl and Andrew Zydney, 2022, "Analysis of tradeoffs between purification factor and yield for high-performance countercurrent membrane purification for protein separations", Biotechnology Progress, 38, (1)
  • Negin Nejatishahidein and Andrew Zydney, 2021, "Depth filtration in bioprocessing — new opportunities for an old technology", Current Opinion in Chemical Engineering, 34, pp. 100746
  • Huang Teik Lay, Rique Jie Yeow, Yunqiao Ma, Andrew Zydney, Rong Wang and Jia Wei Chew, 2021, "Internal membrane fouling by proteins during microfiltration", Journal of Membrane Science, 637, pp. 119589
  • Mario G. Jabra, Ann M. Lipinski and Andrew Zydney, 2021, "Single Pass Tangential Flow Filtration (SPTFF) of monoclonal antibodies: Experimental studies and theoretical analysis", Journal of Membrane Science, 637, pp. 119606
  • Neil Taylor, Wanli Justin Ma, Adam Kristopeit, Sheng-ching Wang and Andrew Zydney, 2021, "Retention characteristics of sterile filters – Effect of pore size and structure", Journal of Membrane Science, 635, pp. 119436
  • Yunqiao Ma, Andrew Zydney, Rong Wang and Jia Wei Chew, 2021, "Molecular dynamics study on membrane fouling by oppositely charged proteins", AIChE Journal, 67, (10)
  • Zhuoshi Du, Seyed Pouria Motevalian, Brenda Carillo-Conde, Kelvin Reilly and Andrew Zydney, 2021, "Prefiltration enhances performance of sterile filtration for glycoconjugate vaccines", Biotechnology Progress, 37, (5)
  • Christopher J. Yehl and Andrew Zydney, 2021, "High Performance Countercurrent Membrane Purification for protein separations", Journal of Membrane Science, 633, pp. 119396
  • Yunqiao Ma, Andrew Zydney and Jia Wei Chew, 2021, "Membrane fouling by lysozyme: Effect of local interaction", AIChE Journal, 67, (7)
  • Seon Yeop Jung, Negin Nejatishahidein, Minyoung Kim, Ehsan Espah Borujeni, Lara Fernandez-Cerezo, David J. Roush, Ali Borhan and Andrew Zydney, 2021, "Quantitative interpretation of protein breakthrough curves in small-scale depth filter modules for bioprocessing", Journal of Membrane Science, 627, pp. 119217
  • Andrew Zydney, 2021, "Keeping chemical engineering education relevant", AIChE Journal, 67, (4)
  • Christopher J. Yehl and Andrew Zydney, 2021, "Characterization of dextran transport and molecular weight cutoff (MWCO) of large pore size hollow fiber ultrafiltration membranes", Journal of Membrane Science, 622, pp. 119025
  • Andrew Zydney, 2021, "New developments in membranes for bioprocessing – A review", Journal of Membrane Science, 620, pp. 118804
  • Matthew Billups, Mirko Minervini, Melissa Holstein, Hasin Feroz, Swarnim Ranjan, Jessica Hung, Haiying Bao, Sanchayita Ghose, Zheng Jian Li and Andrew Zydney, 2021, "Antibody retention by virus filtration membranes: Polarization and sieving effects", Journal of Membrane Science, 620, pp. 118884
  • Ivan Manzano, Neil Taylor, Matthew Csordas, Grace E. Vezeau, Howard M Salis and Andrew Zydney, 2021, "Purification of Cas9-RNA complexes by ultrafiltration", Biotechnology Progress, 37, (2), pp. e3104
  • Fatemeh Fallahianbijan, Parinaz Emami, Jordan M. Hillsley, Seyed Pouria Motevalian, Brenda Carrillo Conde, Kelvin Reilly and Andrew Zydney, 2021, "Effect of membrane pore structure on fouling behavior of glycoconjugate vaccines", Journal of Membrane Science, 619, pp. 118797
  • Minyoung Kim, Negin Nejatishahidein, Ehsan Espah Borujeni, David J. Roush, Andrew Zydney and Ali Borhan, 2021, "Flow and residence time distribution in small-scale dual-layer depth filter capsules", Journal of Membrane Science, 617, pp. 118625
  • Zhao Li, Ting-Hsi Chen, Erha Andini, Jonathan L Coffman, Todd Przybycien and Andrew Zydney, 2021, "Enhanced filtration performance using feed-and-bleed configuration for purification of antibody precipitates", Biotechnology Progress, 37, (1)
  • Neil Taylor, Wanli Ma, Adam Kristopeit, Sheng-Ching Wang and Andrew Zydney, 2021, "Evaluation of a sterile filtration process for viral vaccines using a model nanoparticle suspension", Biotechnology and Bioengineering, 118, (1), pp. 106-115
  • Parinaz Emami, Fatemeh Fallahianbijan, Erica Dinse, Seyed Pouria Motevalian, Brenda Carrillo Conde, Kelvin Reilly and Andrew Zydney, 2021, "Fouling Behavior during Sterile Filtration of Different Glycoconjugate Serotypes Used in Conjugate Vaccines", Pharmaceutical Research, 38, (1), pp. 155-163
  • Tyler E. Culp, Biswajit Khara, Kaitlyn P. Brickey, Michael Geitner, Tawanda J. Zimudzi, Jeffrey D. Wilbur, Steven D. Jons, Abhishek Roy, Mou Paul, Baskar Ganapathysubramanian, Andrew Zydney, Manish Kumar and Enrique Daniel Gomez, 2021, "Nanoscale control of internal inhomogeneity enhances water transport in desalination membranes", Science, 371, (6524), pp. 72-75
  • Christopher J. Yehl and Andrew Zydney, 2020, "Characterization of dextran transport and molecular weight cutoff (MWCO) of large pore size hollow fiber ultrafiltration membranes", Journal of Membrane Science, pp. 119025
  • Parinaz Emami, Fatemeh Fallahianbijan, Erica Dinse, Seyed Pouria Motevalian, Brenda Carrillo Conde, Kelvin Reilly and Andrew Zydney, 2020, "Modified intermediate pore blockage model describes fouling behavior during sterile filtration of glycoconjugate vaccines", Journal of Membrane Science, 613, pp. 118495
  • Matthew Billups, Mirko Minervini, Melissa Holstein, Hasin Feroz, Swarnim Ranjan, Jessica Hung, Haiying Bao, Sanchayita Ghose, Zheng Jian Li and Andrew Zydney, 2020, "Antibody retention by virus filtration membranes: Polarization and sieving effects", Journal of Membrane Science, pp. 118884
  • Negin Nejatishahidein, Ehsan E. Borujeni, David J. Roush and Andrew Zydney, 2020, "Effectiveness of host cell protein removal using depth filtration with a filter containing diatomaceous earth", Biotechnology Progress, 36, (6)
  • Qin Gu, Zhao Li, Jonathan L. Coffman, Todd M. Przybycien and Andrew Zydney, 2020, "High throughput solubility and redissolution screening for antibody purification via combined PEG and zinc chloride precipitation", Biotechnology Progress, 36, (6)
  • Mario G. Jabra, Yinying Tao, John F. Moomaw, Zhao Yu, Brian J. Hotovec, Steven B. Geng and Andrew Zydney, 2020, "pH and excipient profiles during formulation of highly concentrated biotherapeutics using bufferless media", Biotechnology and Bioengineering, 117, (11), pp. 3390-3399
  • Andrew Zydney, 2020, "New developments in membranes for bioprocessing – A review", Journal of Membrane Science, pp. 118804
  • Zhao Li, Ting-Hsi Chen, Erha Andini, Jonathan L Coffman, Todd Przybycien and Andrew Zydney, 2020, "Enhanced filtration performance using feed-and-bleed configuration for purification of antibody precipitates", Biotechnology Progress
  • Hadi Nazem-Bokaee, Dayue Chen, Sean Michael O'Donnell and Andrew Zydney, 2020, "Visualizing effects of protein fouling on capture profiles in the Planova BioEX and 20N virus filters", Journal of Membrane Science, 610, pp. 118271
  • Dmitriy Fedorenko, Amit K. Dutta, Jasmine Tan, Jonathan Walko, Mark Brower, Nuno D. Pinto, Andrew Zydney and Oleg Shinkazh, 2020, "Improved protein A resin for antibody capture in a continuous countercurrent tangential chromatography system", Biotechnology and Bioengineering, 117, (3), pp. 646-653
  • Boya Xiong, Prakash Purswani, Taylor Pawlik, Laxmicharan Samineni, Zuleima Karpyn, Andrew Zydney and Manish Kumar, 2020, "Mechanical degradation of polyacrylamide at ultra high deformation rates during hydraulic fracturing", Environmental Science: Water Research \& Technology, 6, (1), pp. 166--172
  • Fatemeh Fallahianbijan, Sal Giglia, Christina Carbrello and Andrew Zydney, 2020, "Quantitative analysis of internal flow distribution and pore interconnectivity within asymmetric virus filtration membranes", Journal of Membrane Science, 595, pp. 117578
  • Christopher J Yehl and Andrew Zydney, 2020, "Single-use, single-pass tangential flow filtration using low-cost hollow fiber modules", Journal of Membrane Science, 595, pp. 117517
  • Boya Xiong, Prakash Purswani, Taylor Pawlik, Laxmicharan Samineni, Zuleima Karpyn, Andrew Zydney and Manish Kumar, 2020, "Mechanical degradation of polyacrylamide at ultra high deformation rates during hydraulic fracturing", Environmental Science: Water Research & Technology, 6, (1), pp. 166-172
  • D Fedorenko, A K Dutta, J Tan, J Walko, M Brower, Pinto NDS, Andrew Zydney and O Shinkazh, 2019, "Improved protein A resin for antibody capture in a continuous countercurrent tangential chromatography system.", Biotechnology and bioengineering
  • Z Li, Q Gu, J L Coffman, T Przybycien and Andrew Zydney, 2019, "Continuous precipitation for monoclonal antibody capture using countercurrent washing by microfiltration.", Biotechnology progress, 35, (6), pp. e2886
  • Youngbin Baek, Parinaz Emami, Nripen Singh, Andrew Ilott, Erinc Sahin and Andrew Zydney, 2019, "Stereospecific interactions between histidine and monoclonal antibodies", Biotechnology and Bioengineering, 116, (10), pp. 2632-2639
  • F Fallahianbijan, S Giglia, C Carbrello, D Bell and Andrew Zydney, 2019, "Impact of protein fouling on nanoparticle capture within the Viresolve® Pro and Viresolve® NFP virus removal membranes.", Biotechnology and bioengineering, 116, (9), pp. 2285-2291
  • Hadi Nazem-Bokaee, Dayue Chen, Sean Michael O'Donnell and Andrew Zydney, 2019, "New insights into the performance characteristics of the Planova-series hollow-fiber parvovirus filters using confocal and electron microscopy", Biotechnology and Bioengineering, 116, (8), pp. 2010-2017
  • Y Baek, N Singh, A Arunkumar, A Borwankar and Andrew Zydney, 2019, "Mass Balance Model with Donnan Equilibrium Accurately Describes Unusual pH and Excipient Profiles during Diafiltration of Monoclonal Antibodies.", Biotechnology journal, 14, (7), pp. e1800517
  • M G Jabra, C J Yehl and Andrew Zydney, 2019, "Multistage continuous countercurrent diafiltration for formulation of monoclonal antibodies.", Biotechnology progress, 35, (4), pp. e2810
  • P Emami, S P Motevalian, E Pepin and Andrew Zydney, 2019, "Purification of a conjugated polysaccharide vaccine using tangential flow diafiltration.", Biotechnology and bioengineering, 116, (3), pp. 591-597
  • Christopher J. Yehl, Mario G. Jabra and Andrew Zydney, 2019, "Hollow fiber countercurrent dialysis for continuous buffer exchange of high-value biotherapeutics", Biotechnology Progress, 35, (2), pp. e2763
  • Y Li, I Manzano and Andrew Zydney, 2019, "Effects of polyamines on the ultrafiltration of plasmid DNA.", Biotechnology progress, 35, (2), pp. e2765
  • Ivan Manzano, Grace Vezeau, Howard M Salis and Andrew Zydney, 2019, "RNA size and 3-dimensional structure determine ultrafiltration behavior of small RNA molecules", Separation and Purification Technology, pp. 116372
  • Youngbin Baek, Parinaz Emami, Nripen Singh, Andrew Ilott, Erinc Sahin and Andrew Zydney, 2019, "Stereospecific interactions between histidine and monoclonal antibodies", Biotechnology and bioengineering, 116, (10), pp. 2632-2639
  • Y Li, I Manzano and Andrew Zydney, 2018, "Effects of polyamines on the ultrafiltration of plasmid DNA.", Biotechnology progress
  • C J Yehl, M G Jabra and Andrew Zydney, 2018, "Hollow fiber countercurrent dialysis for continuous buffer exchange of high-value biotherapeutics.", Biotechnology progress
  • Boya Xiong, Rebeca Dettam Loss, Derrick Shields, Taylor Pawlik, Richard Hochreiter, Andrew Zydney and Manish Kumar, 2018, "Polyacrylamide degradation and its implications in environmental systems", npj Clean Water, 1, (1)
  • P Emami, S P Motevalian, E Pepin and Andrew Zydney, 2018, "Purification of a conjugated polysaccharide vaccine using tangential flow diafiltration.", Biotechnology and bioengineering
  • Can Guo, Haiqing Chang, Baicang Liu, Qiping He, Boya Xiong, Manish Kumar and Andrew Zydney, 2018, "A combined ultrafiltration–reverse osmosis process for external reuse of Weiyuan shale gas flowback and produced water", Environmental Science: Water Research & Technology, 4, (7), pp. 942-955
  • Anirudh M. Nambiar, Ying Li and Andrew Zydney, 2018, "Countercurrent staged diafiltration for formulation of high value proteins", Biotechnology and Bioengineering, 115, (1), pp. 139-144
  • Can Guo, Haiqing Chang, Baicang Liu, Qiping He, Boya Xiong, Manish Kumar and Andrew Zydney, 2018, "A combined ultrafiltration-reverse osmosis process for external reuse of Weiyuan shale gas flowback and produced water", ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY, 4, (7), pp. 942-955
  • Youngbin Baek, Deyu Yang and Andrew Zydney, 2018, "Development of a Hydrodynamic Cleaning Cycle for Ultrafiltration/Diafiltration Processes Used for Monoclonal Antibody Formulation", INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 57, (47), pp. 16110-16115
  • Tae Ryung Kim, Mahsa Hadidi, Seyed Pouria Motevalian, Takashi Sunohara and Andrew Zydney, 2018, "Effects of Plasma Proteins on the Transport and Surface Characteristics of Polysulfone/Polyethersulfone and Asymmetric Cellulose Triacetate High Flux Dialyzers", ARTIFICIAL ORGANS, 42, (11), pp. 1070-1077
  • Parinaz Emami, Seyed Pouria Motevalian, Erin Pepin and Andrew Zydney, 2018, "Impact of module geometry on the ultrafiltration behavior of capsular polysaccharides for vaccines", JOURNAL OF MEMBRANE SCIENCE, 561, pp. 19-25
  • Hasin Feroz, HyeYoung Kwon, Jing Peng, Hyeonji Oh, Bryan Ferlez, Carol S Baker, John H Golbeck, Guillermo C. Bazan, Andrew Zydney and Manish Kumar, 2018, "Improving extraction and post-purification concentration of membrane proteins", ANALYST, 143, (6)
  • Boya Xiong, Selina Roman-White, Bethany Piechowicz, Zachary Miller, Benjamin Farina, Travis Tasker, William D Burgos, Andrew Zydney and Manish Kumar, 2018, "Polyacrylamide in hydraulic fracturing fluid causes severe membrane fouling during flowback water treatment", JOURNAL OF MEMBRANE SCIENCE, 560, pp. 125-131
  • Hadi Nazem-Bokaee, Fatemeh Fallahianbijan, Dayue Chen, Sean Michael O'Donnell, Christina Carbrello, Sal Giglia, David Bell and Andrew Zydney, 2018, "Probing pore structure of virus filters using scanning electron microscopy with gold nanoparticles", JOURNAL OF MEMBRANE SCIENCE, 552, pp. 144-152
  • Benjamin J. Feinberg, Jeff C. Hsiao, Jaehyun Park, Andrew Zydney, William H. Fissell and Shuvo Roy, 2018, "Slit pores preferred over cylindrical pores for high selectivity in biomolecular filtration", JOURNAL OF COLLOID AND INTERFACE SCIENCE, 517, pp. 176-181
  • Tae Ryung Kim, Mahsa Hadidi, Seyed Pouria Motevalian, Takashi Sunohara and Andrew Zydney, 2018, "Transport Characteristics of Asymmetric Cellulose Triacetate Hemodialysis Membranes", BLOOD PURIFICATION, 45, (1-3), pp. 46-52
  • Youngbin Baek and Andrew Zydney, 2018, "Intermolecular interactions in highly concentrated formulations of recombinant therapeutic proteins", CURRENT OPINION IN BIOTECHNOLOGY, 53, pp. 59-64
  • Boya Xiong, Rebeca Dettam Loss, Derrick Shields, Taylor Pawlik, Richard Hochreiter, Andrew Zydney and Manish Kumar, 2018, "Polyacrylamide degradation and its implications in environmental systems", NPJ CLEAN WATER, 1
  • Boya Xiong, Zachary Miller, Selina Roman-White, Travis Tasker, Benjamin Farina, Bethany Piechowicz, William D Burgos, Prachi Joshi, Liang Zhu, Christopher Gorski, Andrew Zydney and Manish Kumar, 2018, "Chemical Degradation of Polyacrylamide during Hydraulic Fracturing", ENVIRONMENTAL SCIENCE & TECHNOLOGY, 52, (1), pp. 327-336
  • Nambiar, Anirudh M. K., Ying Li and Andrew Zydney, 2018, "Countercurrent staged diafiltration for formulation of high value proteins", BIOTECHNOLOGY AND BIOENGINEERING, 115, (1), pp. 139-144
  • Tia Kim, M Hadidi, S P Motevalian, T Sunohara and Andrew Zydney, 2017, "Transport Characteristics of Asymmetric Cellulose Triacetate Hemodialysis Membranes.", Blood purification, 45, (1-3), pp. 46-52
  • Youngbin Baek, Nripen Singh, Abhiram Arunkumar, Michael Borys, Zheng J. Li and Andrew Zydney, 2017, "Ultrafiltration behavior of monoclonal antibodies and Fc-fusion proteins: Effects of physical properties", Biotechnology and Bioengineering, 114, (9), pp. 2057-2065
  • Youngbin Baek, Nripen Singh, Abhiram Arunkumar and Andrew Zydney, 2017, "Effects of Histidine and Sucrose on the Biophysical Properties of a Monoclonal Antibody", Pharmaceutical Research, 34, (3), pp. 629-639
  • Youngbin Baek, Benny D. Freeman, Andrew Zydney and Jeyong Yoon, 2017, "A Facile Surface Modification for Antifouling Reverse Osmosis Membranes Using Polydopamine under UV Irradiation", INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 56, (19), pp. 5756-5760
  • Amit K. Dutta, Dmitriy Fedorenko, Jasmine Tan, Joseph A. Costanzo, David S. Kahn, Andrew Zydney and Oleg Shinkazh, 2017, "Continuous countercurrent tangential chromatography (CCTC) for mixed mode post-capture operations in monoclonal antibody purification", JOURNAL OF CHROMATOGRAPHY A, 1511, pp. 37-44
  • Ying Li, Kuangzheng Zhu and Andrew Zydney, 2017, "Effect of ionic strength on membrane fouling during ultrafiltration of plasmid DNA", SEPARATION AND PURIFICATION TECHNOLOGY, 176, pp. 287-293
  • Zhao Li and Andrew Zydney, 2017, "Effect of zinc chloride and PEG concentrations on the critical flux during tangential flow microfiltration of BSA precipitates", BIOTECHNOLOGY PROGRESS, 33, (6), pp. 1561-1567
  • Youngbin Baek, Deyu Yang, Nripen Singh, Abhiram Arunkumar, Sanchayita Ghose, Zheng Jian Li and Andrew Zydney, 2017, "pH variations during diafiltration due to buffer nonidealities", BIOTECHNOLOGY PROGRESS, 33, (6), pp. 1555-1560
  • Ivan Manzano and Andrew Zydney, 2017, "Quantitative study of RNA transmission through ultrafiltration membranes", JOURNAL OF MEMBRANE SCIENCE, 544, pp. 272-277
  • Benjamin J. Feinberg, Jeff C. Hsiao, Jaehyun Park, Andrew Zydney, William H. Fissell and Shuvo Roy, 2017, "Silicon nanoporous membranes as a rigorous platform for validation of biomolecular transport models", JOURNAL OF MEMBRANE SCIENCE, 536, pp. 44-51
  • Youngbin Baek, Nripen Singh, Abhiram Arunkumar and Andrew Zydney, 2017, "Ultrafiltration behavior of an Fc-fusion protein: Filtrate flux data and modeling", JOURNAL OF MEMBRANE SCIENCE, 528, pp. 171-177
  • Youngbin Baek, Nripen Singh, Abhiram Arunkumar, Michael Borys, Zheng J. Li and Andrew Zydney, 2017, "Ultrafiltration Behavior of Monoclonal Antibodies and Fc-Fusion Proteins: Effects of Physical Properties", BIOTECHNOLOGY AND BIOENGINEERING, 114, (9), pp. 2057-2065
  • Fatemeh Fallahianbijan, Sal Giglia, Christina Carbrello and Andrew Zydney, 2017, "Use of fluorescently-labeled nanoparticles to study pore morphology and virus capture in virus filtration membranes", JOURNAL OF MEMBRANE SCIENCE, 536, pp. 52-58
  • M Hadidi, J J Buckley and Andrew Zydney, 2016, "Effects of solution conditions on characteristics and size exclusion chromatography of pneumococcal polysaccharides and conjugate vaccines.", Carbohydrate polymers, 152, pp. 12-8
  • H Feroz, C Vandervelden, B Ikwuagwu, B Ferlez, Carol S Baker, D J Lugar, M Grzelakowski, John H Golbeck, Andrew Zydney and Manish Kumar, 2016, "Concentrating membrane proteins using ultrafiltration without concentrating detergents.", Biotechnology and bioengineering, 113, (10), pp. 2122-30
  • M Hadidi, J J Buckley and Andrew Zydney, 2016, "Effect of electrostatic interactions on the ultrafiltration behavior of charged bacterial capsular polysaccharides.", Biotechnology progress, 32, pp. 1531-1538
  • J Lin, Lin, , , , , , , , and , , 2016, "Tight ultrafiltration membranes for enhanced separation of dyes and Na2SO4 during textile wastewater treatment", Journal of Membrane Science, pp. 586-594
  • Seyed Pouria Motevalian, Ali Borhan, Hongyi Zhou and Andrew Zydney, 2016, "Twisted hollow fiber membranes for enhanced mass transfer", Journal of Membrane Science, 514, pp. 586-594
  • B Xiong, Andrew Zydney and Manish Kumar, 2016, "Fouling of microfiltration membranes by flowback and produced waters from the Marcellus shale gas play.", Water research, 99, pp. 162-70
  • S. Kim and Andrew Zydney, 2016, "Diffusive silicon nanopore membranes for hemodialysis applications", PLoS One, 11, pp. 1-20
  • Y Li, N Butler and Andrew Zydney, 2016, "Size-based separation of supercoiled plasmid DNA using ultrafiltration.", Journal of colloid and interface science, 472, pp. 195-201
  • Ying Li, Neil Butler and Andrew Zydney, 2016, "Size-based separation of supercoiled plasmid DNA using ultrafiltration", Journal of Colloid and Interface Science, 472, pp. 195-201
  • E Binabaji, J Ma, S Rao and Andrew Zydney, 2016, "Ultrafiltration of highly concentrated antibody solutions: Experiments and modeling for the effects of module and buffer conditions.", Biotechnology progress, 32, (3), pp. 692-701
  • A K Dutta, J Tan, B Napadensky, Andrew Zydney and O Shinkazh, 2016, "Performance optimization of continuous countercurrent tangential chromatography for antibody capture.", Biotechnology progress, 32, (2), pp. 430-9
  • Andrew Zydney, 2016, "Continuous downstream processing for high value biological products - A review.", Biotechnology and bioengineering, 113, pp. 465-475
  • Y Li, D Currie and Andrew Zydney, 2016, "Enhanced purification of plasmid DNA isoforms by exploiting ionic strength effects during ultrafiltration.", Biotechnology and bioengineering, 113, pp. 783-789
  • Elaheh Binabaji, Junfen Ma, Suma Rao and Andrew Zydney, 2015, "Theoretical analysis of the ultrafiltration behavior of highly concentrated protein solutions", Journal of Membrane Science, 494, pp. 216-223
  • A K Dutta, T Tran, B Napadensky, A Teella, G Brookhart, P A Ropp, A W Zhang, A D Tustian, Andrew Zydney and O Shinkazh, 2015, "Purification of monoclonal antibodies from clarified cell culture fluid using Protein A capture continuous countercurrent tangential chromatography.", Journal of biotechnology, 213, pp. 54-64
  • Andrew Zydney, 2015, "Perspectives on integrated continuous bioprocessing—opportunities and challenges", 10, pp. 8-13
  • S K Dishari, A Venkiteshwaran and Andrew Zydney, 2015, "Probing effects of pressure release on virus capture during virus filtration using confocal microscopy.", Biotechnology and bioengineering, 112, (10), pp. 2115-22
  • Mahsa Hadidi, John J Buckley and Andrew Zydney, 2015, "Ultrafiltration behavior of bacterial polysaccharides used in vaccines", Journal of Membrane Science, 490, pp. 294–300
  • S K Dishari, M R Micklin, K J Sung, Andrew Zydney, A Venkiteshwaran and J N Earley, 2015, "Effects of solution conditions on virus retention by the Viresolve(®) NFP filter.", Biotechnology progress, 31, (5), pp. 1280-6
  • E Binabaji, J Ma and Andrew Zydney, 2015, "Intermolecular Interactions and the Viscosity of Highly Concentrated Monoclonal Antibody Solutions.", Pharmaceutical research, 32, (9), pp. 3102-9
  • Ying Li, Ehsan Espah Borujeni and Andrew Zydney, 2015, "Use of preconditioning to control membrane fouling and enhance performance during ultrafiltration of plasmid DNA", Journal of Membrane Science, 479, pp. 117-122
  • Rajarshi Guha, Xia Shang, Andrew Zydney, Darrell Velegol, Manish Ku andar, , 2015, "Diffusiophoresis contributes significantly to colloidal fouling in low salinity reverse osmosis systems", Journal of Membrane Science, 479, pp. 67-76
  • X Y Chen, J Zhao, J Moutinho, J Shao, A L Zydney and Y He, 2015, "Recovery of small dye molecules from aqueous solutions using charged ultrafiltration membranes", J. Hazardous Materials, 284, pp. 58-64
  • A Teella, Andrew Zydney, H Zhou, C Olsen and C Robinson, 2015, "Effects of chemical sanitization using NaOH on the properties of polysulfone and polyethersulfone ultrafiltration membranes.", Biotechnology progress, 31, (1), pp. 90-6
  • Mahsa Hadidi and Andrew L Zydney, 2015, "Analysis of the effects of electrostatic interactions on protein transport through zwitterionic ultrafiltration membranes using protein charge ladders", J. Appl. Polym. Sci., 132, pp. 41540-41548
  • E E Borujeni, L Ying and A L Zydney, 2015, "Application of periodic backpulsing to reduce membrane fouling during ultrafiltration of plasmid DNA", J. Membrane Sci., 473, pp. 102-108
  • A Teella, Andrew Zydney, H Zhou, C Olsen and C Robinson, 2014, "Effects of chemical sanitization using NaOH on the properties of polysulfone and polyethersulfone ultrafiltration membranes.", Biotechnology progress
  • Ehsan Borujeni and Andrew Zydney, 2014, "Membrane fouling during ultrafiltration of plasmid DNA through semipermeable membranes", Journal of Membrane Science, 450, pp. 8
  • M A Woods and A L Zydney, 2014, "Effects of a pressure release on virus retention wth the Ultipor DV20 membrane", Biotech. Bioeng., 111, pp. 45-551
  • M Hadidi and A L Zydney, 2014, "Fouling behavior of zwitterionic membranes: Impact of electrostatic and hydrophobic interactions", J. Membrane Sci., 452, pp. 97-103
  • N B Jackson, M Bakhshayeshi, A L Zydney, A Mehta, R van Reis and R Kuriyel, 2014, "Internal virus polarization model for virus retention by the Ultipor VF grade DV20 membrane", Biotech. Prog., 30, pp. 856-863
  • S S Dukhin, Y Tabani, R Lai, O Labib, A L Zydney and M E Labib, 2014, "Outside-in hemofiltration for prolonged operation without clogging", J. Membrane Sci., 464, pp. 173-178
  • E E Binabaji, S Rao and A L Zydney, 2014, "The osmotic pressure of highly concentrated monoclonal antibody solutions: Effect of solution conditions", Biotech. Bioeng., 111, pp. 529-536
  • E Binabaji, Surendra B Rao and Andrew Zydney, 2013, "Improved method for evaluating the dead volume and protein-protein interactions by self-interaction chromatography.", Analytical chemistry, 85, (19), pp. 9101-6
  • V Natarajan and Andrew Zydney, 2013, "Protein A chromatography at high titers.", Biotechnology and bioengineering, 110, (9), pp. 2445-51
  • K Ruanjaikaen and Andrew Zydney, 2013, "Intermolecular interactions during ultrafiltration of pegylated proteins.", Biotechnology progress, 29, (3), pp. 655-63
  • N Ferrell, K O Cameron, J J Groszek, C L Hofmann, L Li, R A Smith, A Bian, A Shintani, Andrew Zydney and W H Fissell, 2013, "Effects of pressure and electrical charge on macromolecular transport across bovine lens basement membrane.", Biophysical journal, 104, (7), pp. 1476-84
  • Y. S. Polyakov and A. L. Zydney, 2013, "Ultrafiltration membrane performance: Effects of pore blockage / constriction", J. Membrane Sci., 434, pp. 106-120
  • B. Napadensky, O. Shinkazh, A. Teella and A. L. Zydney, 2013, "Continuous countercurrent tangential chromatography for monoclonal antibody purification", Sep. Sci. Tech., 48, pp. 1289-1297
  • E E Borujeni and Andrew Zydney, 2012, "Separation of plasmid DNA isoforms using centrifugal ultrafiltration.", BioTechniques, 53, (1), pp. 49-56
  • M. M. Rohani and Andrew Zydney, 2012, "Protein transport through zwitterionic ultrafiltration membranes", J. Membrane Sci., 397, pp. 1-8
  • M. Bakhshayeshi, A. Teella, H. Zhou, C. Olsen, W. Yuan and Andrew Zydney, 2012, "Development of an optimized dextran retention test for large pore size hollow fiber ultrafiltration membranes", J. Membrane Sci., 421-422, pp. 32-38
  • S Roy, K Goldman, R Marchant, Andrew Zydney, D Brown, A Fleischman, A Conlisk, T Desai, S Duffy, H Humes and W Fissell, 2011, "Implanted renal replacement for end-stage renal disease.", Panminerva medica, 53, (3), pp. 155-66
  • D R Latulippe and Andrew Zydney, 2011, "Separation of plasmid DNA isoforms by highly converging flow through small membrane pores.", Journal of colloid and interface science, 357, (2), pp. 548-53
  • K Ruanjaikaen and Andrew Zydney, 2011, "Purification of singly PEGylated a-lactalbumin using charged ultrafiltration membranes.", Biotechnology and bioengineering, 108, (4), pp. 822-9
  • O Shinkazh, D Kanani, M Barth, M Long, D Hussain and Andrew Zydney, 2011, "Countercurrent tangential chromatography for large-scale protein purification.", Biotechnology and bioengineering, 108, (3), pp. 582-91
  • M. Bakhshayeshi, D. M. Kanani, A. Mehta, R. van Reis, R. Kuriyel, N. Jackson and Andrew Zydney, 2011, "Dextran sieving test for characterization of virus filtration membranes", J. Membrane Sci., 379, pp. 239-248
  • M. Bakhshayeshi, N. Jackson, R. Kuriyel, A. Mehta, R. van Reis and Andrew Zydney, 2011, "Use of confocal scanning laser microscopy to study virus retention during virus filtration", J. Membrane Sci., 379, pp. 260-267
  • M. Bakhshayeshi, H. Zhou, C. Olsen, W. Yuan and Andrew Zydney, 2011, "Understanding dextran retention data for hollow fiber ultrafiltration membranes", J. Membrane Sci., 385, pp. 243-250
  • Andrew Zydney, 2011, "Diffusion Contributions and Electrostatic Exclusion Effects on Transport through Ultrafiltration Membranes", diffusion-fundamentals.org, 16, pp. 1-2
  • M M Rohani and Andrew Zydney, 2010, "Role of electrostatic interactions during protein ultrafiltration.", Advances in colloid and interface science, 160, (1-2), pp. 40-8
  • D R Latulippe and Andrew Zydney, 2010, "Radius of gyration of plasmid DNA isoforms from static light scattering.", Biotechnology and bioengineering, 107, (1), pp. 134-42
  • S Datta, A T Conlisk, D M Kanani, Andrew Zydney, W H Fissell and S Roy, 2010, "Characterizing the surface charge of synthetic nanomembranes by the streaming potential method.", Journal of colloid and interface science, 348, (1), pp. 85-95
  • D M Kanani, W H Fissell, S Roy, A Dubnisheva, A Fleischman and Andrew Zydney, 2010, "Permeability - Selectivity Analysis for Ultrafiltration: Effect of Pore Geometry.", Journal of membrane science, 349, (1-2), pp. 405
  • Mahsa M. Rohani, Amit Mehta and Andrew Zydney, 2010, "Development of high performance charged ligands to control protein transport through charge-modified ultrafiltration membranes", Journal of Membrane Science, 362, pp. 434-443
  • Andrew Zydney, 2010, "High performance ultrafiltration membranes: pore geometry and charge effects", Prepr. Symp. - Am. Chem. Soc.; Div. Fuel Chem., 55, pp. 429-431
  • Jessica Molek, Krisada Ruanjaikaen and Andrew Zydney, 2010, "Effect of electrostatic interactions on trasmission of PEGylated proteins through charged ultrafiltration membranes", J. Membrane Sci., 353, pp. 60-69
  • W H Fissell, C L Hofmann, N Ferrell, L Schnell, A Dubnisheva, Andrew Zydney, P D Yurchenco and S Roy, 2009, "Solute partitioning and filtration by extracellular matrices.", American journal of physiology. Renal physiology, 297, (4), pp. F1092-100
  • D R Latulippe and Andrew Zydney, 2009, "Size exclusion chromatography of plasmid DNA isoforms.", Journal of chromatography. A, 1216, (35), pp. 6295-302
  • Andrew Zydney, 2009, "Membrane technology for purification of therapeutic proteins.", Biotechnology and bioengineering, 103, (2), pp. 227-30
  • C Harinarayan, K Skidmore, Y Kao, Andrew Zydney and R van Reis, 2009, "Small molecule clearance in ultrafiltration/diafiltration in relation to protein interactions:Study of citrate binding to a Fab.", Biotechnology and bioengineering, 102, (6), pp. 1718-22
  • Andrew Zydney, C Harinarayan and R van Reis, 2009, "Modeling electrostatic exclusion effects during ion exchange chromatography of monoclonal antibodies.", Biotechnology and bioengineering, 102, (4), pp. 1131-40
  • W H Fissell, A Dubnisheva, A N Eldridge, A J Fleischman, Andrew Zydney and S Roy, 2009, "High-Performance Silicon Nanopore Hemofiltration Membranes.", Journal of membrane science, 326, (1), pp. 58-63
  • Andrew Zydney, 2009, "The Passing of Sidney Loeb", J Membrane Sci., 329, (1-2), pp. 1-1
  • Andrew Zydney, 2009, "Untitled", J. Membrane Sci., 326, (1), pp. 3-3
  • David R. Latulippe, Jessica R. Molek and Andrew Zydney, 2009, "Importance of Biopolymer Molecular Flexibility in Ultrafiltration Processes", Industrial & Engineering Chemistry Research, 48, (5), pp. 2395-2403
  • Kimberly Ager, David R. Latulippe and Andrew Zydney, 2009, "Plasmid DNA trasmission through charged ultrafiltration membranes", J. Membrane Sci., 344, pp. 123-128
  • Mahsa M. Rohani and Andrew Zydney, 2009, "Effect of surface charge distribution on protein transport through semipermeable ultrafiltration membranes", J. Membr. Sci., 337, pp. 324-331
  • D. R. Latulippe and Andrew Zydney, 2009, "Elongational flow model for transmission of supercoiled plasmid DNA during membrane ultrafiltration", J. Membr. Sci., 329, pp. 201-208
  • S. Roy, A. Dubnisheva, A. Eldridge, A. J. Fleischman, K. G. Goldman, H. D. Humes, Andrew Zydney and W. H. Fissell, 2009, "Silicon nanopore membrane technology for an implantable artificial kidney", TRANSDUCERS 2009 - 15th International Conference on Solid-State Sensors, Actuators and Microsystems, pp. 755-760
  • M Bakhshayeshi and Andrew Zydney, 2008, "Effect of solution pH on protein transmission and membrane capacity during virus filtration.", Biotechnology and bioengineering, 100, (1), pp. 108-17
  • D R Latulippe and Andrew Zydney, 2008, "Salt-induced changes in plasmid DNA transmission through ultrafiltration membranes.", Biotechnology and bioengineering, 99, (2), pp. 390-8
  • B. Kwon, J. Molek and Andrew Zydney, 2008, "Ultrafiltration of PEGylated proteins: Fouling and concentration polarization effects", J. Membrane Sci., 319, pp. 206-213
  • A. Mehta and Andrew Zydney, 2008, "Effect of spacer arm length on the performance of charge-modified ultrafilitration membranes", J. Membrane Sci., 313, pp. 304-314
  • J R Molek and Andrew Zydney, 2007, "Separation of PEGylated alpha-lactalbumin from unreacted precursors and byproducts using ultrafiltration.", Biotechnology progress, 23, (6), pp. 1417-24
  • W H Fissell, S Manley, A Dubnisheva, J Glass, J Magistrelli, A N Eldridge, A J Fleischman, Andrew Zydney and S Roy, 2007, "Ficoll is not a rigid sphere.", American journal of physiology. Renal physiology, 293, (4), pp. F1209-13
  • T N Shah, Henry Foley and Andrew Zydney, 2007, "Performance characteristics of nanoporous carbon membranes for protein ultrafiltration.", Biotechnology progress, 23, (5), pp. 1157-62
  • J Shao, S Wolff and Andrew Zydney, 2007, "In vitro comparison of peracetic acid and bleach cleaning of polysulfone hemodialysis membranes.", Artificial organs, 31, (6), pp. 452-60
  • M E Labib, J Murawski, Y Tabani, S H Wolff, Andrew Zydney, F R Funderburk, Zan Huang, T Kapoian and R A Sherman, 2007, "Water permeability of high-flux dialyzer membranes after Renalin reprocessing.", Kidney international, 71, (11), pp. 1177-80
  • Andrew Zydney and A. Xenopoulos, 2007, "Improving dextran tests for ultrafiltration membranes: Effect of device format", J. Membrane Sci., 291, pp. 180-190
  • D. R. Latulippe, K. Ager and Andrew Zydney, 2007, "Flux dependent transmission of supercoiled plasmid DNA through ultrafiltration membranes", J. Membrane Sci., 294, pp. 169-177
  • T. N. Shah, H. C. Foley and Andrew Zydney, 2007, "Development and characterization of nanoporous carbon membranes for protein ultrafiltration", J. Membrane Sci., 295, pp. 40-49
  • R. Van Reis and Andrew Zydney, 2007, "Bioprocess membrane technology", J. Membrane Sci., 297, pp. 16-50
  • S. Rao, K. Ager and Andrew Zydney, 2007, "High performance tangential flow filtration using charged affinity ligands", Sep. Sci. Tech., 42, pp. 2365-2386
  • M. K. Philen, Y. Shan, P. Prakash, K. W. Wang, C. D. Rahn, Andrew Zydney and C. E. Bakis, 2007, "Fibrillar network adaptive structure with ion-transport actuation", J. Intelligent Material Systems and Structure, 18, pp. 323-334
  • J R Molek and Andrew Zydney, 2006, "Ultrafiltration characteristics of pegylated proteins.", Biotechnology and bioengineering, 95, (3), pp. 474-82
  • Z H Syedain, D M Bohonak and Andrew Zydney, 2006, "Protein fouling of virus filtration membranes: effects of membrane orientation and operating conditions.", Biotechnology progress, 22, (4), pp. 1163-9
  • A Mehta and Andrew Zydney, 2006, "Effect of membrane charge on flow and protein transport during ultrafiltration.", Biotechnology progress, 22, (2), pp. 484-92
  • C.-C. Ho and Andrew Zydney, 2006, "Overview of Fouling Phenomena and Modeling Approaches for Membrane Bioreactors", Sep. Sci. Tech., 41, (7), pp. 1231-1253
  • S. Rao and Andrew Zydney, 2006, "High resolution protein separations using affinity ultrafiltration with small charged ligands", J. Membrane Sci., 280, pp. 781-789
  • P. Prakash, M. D. Grissom, C. D. Rahn and Andrew Zydney, 2006, "Development of an electroosmotic pump for high performance actuation", J. Membrane Sci., 286, pp. 153-160
  • Martin Chandler and Andrew Zydney, 2006, "Effects of membrane pore geometry on fouling behavior during yeast cell microfiltration", J. Membrane Sci., 285, (1-2), pp. 334-342
  • M.-M. Kim and Andrew Zydney, 2006, "Theoretical analysis of particle trajectories and sieving in a two-dimensional cross-flow filtration system", J. Membrane Sci., 281, pp. 666-675
  • J F Shaffer and Andrew Zydney, 2005, "Phosphate clearance for bleach reprocessed polysulfone hemodialyzers: effects of electrostatic interactions.", ASAIO journal (American Society for Artificial Internal Organs : 1992), 51, (6), pp. 748-53
  • Surendra B Rao and Andrew Zydney, 2005, "Controlling protein transport in ultrafiltration using small charged ligands.", Biotechnology and bioengineering, 91, (6), pp. 733-42
  • M A Chandler and Andrew Zydney, 2005, "Clarification of yeast cell suspensions by depth filtration.", Biotechnology progress, 21, (5), pp. 1552-7
  • S H Wolff and Andrew Zydney, 2005, "Effect of peracetic acid reprocessing on the transport characteristics of polysulfone hemodialyzers.", Artificial organs, 29, (2), pp. 166-73
  • A. Mehta and Andrew Zydney, 2005, "Permeability and Selectivity Analysis for Ultrafiltration Membranes", J. Membrane Sci., 249, pp. 245-249
  • D. Bohonak and Andrew Zydney, 2005, "Compaction and Permeability Effects with Virus Filtration Membranes", J. Membrane Sci., 254, pp. 71-79
  • M. M. Kim and Andrew Zydney, 2005, "Particle-particle interactions during normal flow filtration: Model simulations", Chem. Eng. Sci., 60, pp. 4073-4082
  • J Matson, Andrew Zydney and P M Honoré, 2004, "Blood filtration: new opportunities and the implications of systems biology.", Critical care and resuscitation : journal of the Australasian Academy of Critical Care Medicine, 6, (3), pp. 209-17
  • J Shao and Andrew Zydney, 2004, "Optimization of ultrafiltration/diafiltration processes for partially bound impurities.", Biotechnology and bioengineering, 87, (3), pp. 286-92
  • J Shao and Andrew Zydney, 2004, "Retention of small charged impurities during ultrafiltration.", Biotechnology and bioengineering, 87, (1), pp. 7-13
  • J Shao and Andrew Zydney, 2004, "Effect of bleach reprocessing upon the clearance characteristics and surface charge of polysulfone hemodialyzers.", ASAIO journal (American Society for Artificial Internal Organs : 1992), 50, (3), pp. 246-52
  • M F Ebersold and Andrew Zydney, 2004, "Separation of protein charge variants by ultrafiltration.", Biotechnology progress, 20, (2), pp. 543-9
  • M F Ebersold and Andrew Zydney, 2004, "Use of protein charge ladders to study electrostatic interactions during protein ultrafiltration.", Biotechnology and bioengineering, 85, (2), pp. 166-76
  • M M Kim and Andrew Zydney, 2004, "Effect of electrostatic, hydrodynamic, and Brownian forces on particle trajectories and sieving in normal flow filtration.", Journal of colloid and interface science, 269, (2), pp. 425-31
  • B. Cheang and Andrew Zydney, 2004, "A Two-Stage Ultrafiltration Process for Fractionation of Whey Protein Isolate", J. Membrane Sci., 231, pp. 159-167
  • M. C. Chandler and Andrew Zydney, 2004, "High Throughput Screening for Membrane Process Development", J. Membrane Sci., 237, pp. 181-188
  • M. F. Ebersold and Andrew Zydney, 2004, "The Effect of Membrane Properties on the Separation of Protein Charge Variants using Ultrafiltration", J. Membrane Sci., 243, pp. 379-388
  • S. H. Wolff and Andrew Zydney, 2004, "Effect of Bleach on the Transport Characteristics of Polysulfone Hemodialyzers", J. Membrane Sci., 243, pp. 389-399
  • Andrew Zydney and C C Ho, 2003, "Effect of membrane morphology on system capacity during normal flow microfiltration.", Biotechnology and bioengineering, 83, (5), pp. 537-43
  • B Cheang and Andrew Zydney, 2003, "Separation of alpha-lactalbumin and beta-lactoglobulin using membrane ultrafiltration.", Biotechnology and bioengineering, 83, (2), pp. 201-9
  • Andrew Zydney, 2003, "Analysis of Membrane Processes in the Introduction to Chemical Engineering Course", Chemical Engineering Education, 36, (1), pp. 33-37
  • L. Palacio, C.-C. Ho, P. Pradanos, A. Hernandez and Andrew Zydney, 2003, "Fouling with Protein Mixtures in Microfiltration: BSA-Lysozyme and BSA-Pepsin", Journal of Membrane Science, 222, pp. 41-51
  • S. Morti, J. Shao and Andrew Zydney, 2003, "Importance of Asymmetric Structure in Determining Mass Transport Characteristics of Hollow Fiber Hemodialyzers", J. Membrane Science, 224, pp. 39-49
  • Andrew Zydney, 2003, "Membranes in Chemical Engineering Education", Chem. Eng. Education, 36, (1), pp. 32
  • L Palacio, C C Ho and Andrew Zydney, 2002, "Application of a pore-blockage--cake-filtration model to protein fouling during microfiltration.", Biotechnology and bioengineering, 79, (3), pp. 260-70
  • J Romero and Andrew Zydney, 2002, "Affinity ultrafiltration: effects of ligand binding on selectivity and process optimization.", Biotechnology and bioengineering, 77, (3), pp. 256-65
  • J. R. Romero and Andrew Zydney, 2002, "Staging of Affinity Ultrafiltration Processes for Chiral Separations", Journal Membrane Science, 209, pp. 107-119
  • J. R. Romero and Andrew Zydney, 2002, "pH and Salt Effects on Chiral Separations Using Affinity Ultrafiltration", Desalination, 148, pp. 159-164
  • Andrew Zydney and C.-C. Ho, 2002, "Scale-Up of Microfiltration Systems: Fouling Phenomena and Vmax Analysis", Desalination, 146, pp. 75-81
  • M. S. Strano, Andrew Zydney, H. Barth, G. Wooler, H. Agarwal and H. C. Foley, 2002, "Ultrafiltration Membrane Synthesis by Nanoscale Templating of Porous Carbon", J. Membrane Sci., 198, pp. 173-186
  • W. Yuan, A. Kocic and Andrew Zydney, 2002, "Analysis of Humic Acid Fouling using a Combined Pore Blockage - Cake Filtration Model", J. Membrane Sci., 198, pp. 51-62
  • Andrew Zydney, J. S. Bennett, A. Shahid and K. W. Bauer, 2002, "Impact of Undergraduate Research Experience in Engineering", J. Eng. Education, 91, (2), pp. 151-157
  • C.-C. Ho and Andrew Zydney, 2002, "Transmembrane Pressure Profiles during Constant Flux Microfiltration of Bovine Serum Albumin", J. Membrane Sci., 209, pp. 363-377
  • Andrew Zydney, J. S. Bennett, A. Shahid and K. W. Bauer, 2002, "Faculty Perspectives on the Undergraduate Research Experience in Science and Engineering", J. Eng. Education, 91, (3), pp. 291-297
  • S. H. Wolff and Andrew Zydney, 2002, "Effects of Bleach Reprocessing on Hemodialysis Membranes"
  • R van Reis and Andrew Zydney, 2001, "Membrane separations in biotechnology.", Current opinion in biotechnology, 12, (2), pp. 208-11
  • J. R. Romero and Andrew Zydney, 2001, "Chiral Separations Using Ultrafiltration with a Stereoselective Binding Agent", Sep. Sci. Tech., 36, pp. 1575-1594
  • D. B. Burns and Andrew Zydney, 2001, "Contributions to Electrostatic Interactions on Protein Transport in Membrane Systems", AIChE J., 47, pp. 1101-1114
  • M. K. Menon and Andrew Zydney, 2001, "Protein Charge Ladders: A New Technique for Studying Electrostatic Interactions in Ultrafiltration Systems", J. Membrane Sci., 181, pp. 179-184
  • C.-C. Ho and Andrew Zydney, 2001, "Protein Fouling of Asymmetric and Composite Microfiltration Membranes", Ind. Eng. Chem. Res., 40, pp. 1412-1421
  • C C Ho and Andrew Zydney, 2000, "A Combined Pore Blockage and Cake Filtration Model for Protein Fouling during Microfiltration.", Journal of colloid and interface science, 232, (2), pp. 389-399
  • M K Menon and Andrew Zydney, 2000, "Determination of effective protein charge by capillary electrophoresis: effects of charge regulation in the analysis of charge ladders.", Analytical chemistry, 72, (22), pp. 5714-7
  • P J Soltys, Andrew Zydney, J K Leypoldt, L W Henderson and N J Ofsthun, 2000, "Potential of dual-skinned, high-flux membranes to reduce backtransport in hemodialysis.", Kidney international, 58, (2), pp. 818-28
  • Andrew Zydney, 2000, "Membrane Systems Do it All", Chemical Processing, pp. 59-62
  • D. B. Burns and Andrew Zydney, 2000, "Buffer Effects on the Zeta Potential of Ultrafiltration Membranes", J. Membrane Sci., 172, pp. 39-48
  • C.-C. Ho and Andrew Zydney, 2000, "Measurement of Membrane Pore Interconnectivity", J. Membrane Sci., 170, pp. 101-112
  • W. Yuan and Andrew Zydney, 2000, "Humic Acid Fouling During Ultrafiltration", Env. Sci. Tech., 34, pp. 5043-5050
  • D B Burns and Andrew Zydney, 1999, "Effect of solution pH on protein transport through ultrafiltration membranes", Biotechnology and bioengineering, 64, (1), pp. 27-37
  • M K Menon and Andrew Zydney, 1999, "Effect of ion binding on protein transport through ultrafiltration membranes.", Biotechnology and bioengineering, 63, (3), pp. 298-307
  • C.-C. Ho and Andrew Zydney, 1999, "Theoretical Analysis of the Effect of Membrane Morphology on Fouling During Microfiltration", Sep. Sci. Tech., 34, pp. 2461-2483
  • W. Yuan and Andrew Zydney, 1999, "Effect of Solution Conditions on Humic Acid Fouling During Microfiltration", Desalination, 122, pp. 63-76
  • C.-C. Ho and Andrew Zydney, 1999, "Effect of Membrane Morphology on Protein Fouling During Microfiltration", J. Membrane Sci., 155, pp. 261-276
  • R. van Reis, J. M. Brake, J. Charkoudian, D. B. Burns and Andrew Zydney, 1999, "High Performance Tangential Flow Filtration Using Charged Membranes", J. Membrane Sci., 159, pp. 133-142
  • W. Yuan and Andrew Zydney, 1999, "Humic Acid Fouling During Microfiltration", J. Membrane Sci., 157, pp. 1-12
  • M. K. Menon and Andrew Zydney, 1999, "Effect of Ion Binding on Protein Transport Through Ultrafiltration Membranes", Biotech. Bioeng., 63, pp. 298-307
  • Andrew Zydney, 1999, "Membrane Separation Overview", Advances in Filtration and Separation Technology, 13a, pp. 4-7
  • R F Boyd and Andrew Zydney, 1998, "Analysis of protein fouling during ultrafiltration using a two-layer membrane model.", Biotechnology and bioengineering, 59, (4), pp. 451-60
  • S M Morti and Andrew Zydney, 1998, "Protein-membrane interactions during hemodialysis: effects on solute transport.", ASAIO journal (American Society for Artificial Internal Organs : 1992), 44, (4), pp. 319-26
  • R F Boyd, M López, C L Stephens, G M Vélez, C A Ramírez and Andrew Zydney, 1998, "Solute washout experiments for characterizing mass transport in hollow fiber immunoisolation membranes.", Annals of biomedical engineering, 26, (4), pp. 618-26
  • M K Menon and Andrew Zydney, 1998, "Measurement of protein charge and ion binding using capillary electrophoresis.", Analytical chemistry, 70, (8), pp. 1581-4
  • N S Pujar and Andrew Zydney, 1998, "Electrostatic effects on protein partitioning in size-exclusion chromatography and membrane ultrafiltration.", Journal of chromatography. A, 796, (2), pp. 229-38
  • Andrew Zydney, 1998, "Protein Separations Using Membrane Filtration: New Opportunities for Whey Fractionation", International Dairy J., 8, pp. 243-250
  • M. Chapman Wilbert, J. Pellegrino and Andrew Zydney, 1998, "Bench-Scale Testing of Surfactant Modified Reverse Osmosis/Nanofiltration Membranes", Desalination, 115, pp. 15-32
  • Andrew Zydney and N. S. Pujar, 1998, "Protein Transport Through Porous Membranes: Effect of Colloidal Interactions", Colloids Surfaces A: Physicochem. Eng. Aspects, 138, pp. 133-143
  • G. Belfort and Andrew Zydney, 1998, "Interaction of Proteins with Polymeric Synthetic Membranes", pp. 513-559
  • R van Reis, S Gadam, L N Frautschy, S Orlando, E M Goodrich, S Saksena, R Kuriyel, C M Simpson, S Pearl and Andrew Zydney, 1997, "High performance tangential flow filtration.", Biotechnology and bioengineering, 56, (1), pp. 71-82
  • N S Pujar and Andrew Zydney, 1997, "Charge Regulation and Electrostatic Interactions for a Spherical Particle in a Cylindrical Pore", Journal of colloid and interface science, 192, (2), pp. 338-49
  • S T Kelly and Andrew Zydney, 1997, "Protein fouling during microfiltration: comparative behavior of different model proteins.", Biotechnology and bioengineering, 55, (1), pp. 91-100
  • S. Gadam, M. Phillips, S. Orlando, R. Kuriyel, S. Pearl and Andrew Zydney, 1997, "A Liquid Porosimetry Technique for Correlating Intrinsic Sieving: Applications for Ultrafiltration Processes", J. Membrane Sci., 133, pp. 111-125
  • R. F. Boyd and Andrew Zydney, 1997, "Transport Characteristics of Multilayer Ultrafiltration Membranes", J. Membrane Sci., 131, pp. 155-166
  • Andrew Zydney, 1997, "Stagnant Film Model for Concentration Polarization in Membrane Systems", J. Membrane Sci., 23, pp. 275-282
  • R. van Reis, E. M. Goodrich, C. L. Yson, L. N. Frautschy, R. Whiteley and Andrew Zydney, 1997, "Constant Cwall Ultrafiltration Process Control", J. Membrane Sci., 130, pp. 123-140
  • S. Saksena and Andrew Zydney, 1997, "Influence of Protein-Protein Interactions on Bulk Mass Transport in Ultrafiltration", J. Membrane Sci., 125, pp. 93-108
  • G. M. Velez, C. L. Stephens, L. Y. Santiago, G. Lopez, R. F. Boyd and Andrew Zydney, 1997, "Mass Transfer in Hollow Fiber-Type Artificial Pancreas Devices", Fed. Amer. Soc. Exp. Biol., 11, pp. 1676
  • Andrew Zydney, H. Foley, M. Huff and N. Wagner, 1997, "Membrane Research at the University of Delaware", Membrane Technology, 92, pp. 13-14
  • N. S. Pujar and Andrew Zydney, 1996, "Boundary Effects on the Sedimentation and Hindered Diffusion of Charged Particles", AIChE J., 42, pp. 2101-2111
  • P. S. Soltys, N. J. Oftshun and Andrew Zydney, 1996, "Asymmetric Solute Transport and Solvent Flux in Dual-Skinned Hollow Fiber Membranes", J. Membrane Sci., 118, pp. 199-212
  • R. F. Boyd, L. Y. Santiago, G. Lopez, C. L. Stephens, M. M. Cortez, Andrew Zydney, M. J. Kessler and C. A. Ramirez, 1996, "Solute transport and mathematical simulation of hollow fiber-type artificial pancreas devices", Cell Transplantation, 5, (48)
  • R H van Eijndhoven, S Saksena and Andrew Zydney, 1995, "Protein fractionation using electrostatic interactions in membranel filtration.", Biotechnology and bioengineering, 48, (4), pp. 406-14
  • S. T. Kelly and Andrew Zydney, 1995, "Mechanisms for BSA Fouling During Microfiltration", J. Membrane Sci., 107, pp. 115-127
  • Andrew Zydney, 1995, "A Conceptual Design Problem in Mass Transfer Operations", Chem. Eng. Education, 29, pp. 182-186
  • S. Saksena and Andrew Zydney, 1995, "Pore Size Distribution Effects on Electrokinetic Phenomena in Semipermeable Membranes", J. Membrane Sci., 105, pp. 203-216
  • H. C. M. van Eijndhoven, S. Saksena and Andrew Zydney, 1995, "Protein Fractionation Using Membrane Filtration: Role of Electrostatic Interactions", Biotech. Bioeng., 48, pp. 406-414
  • Andrew Zydney, 1995, "Boundary Effects on the Electrophoretic Motion of a Charged Sphere in a Concentric Spherical Pore", J. Colloid Interface Sci., 169, pp. 476-485
  • S T Kelly and Andrew Zydney, 1994, "Effects of intermolecular thiol-disulfide interchange reactions on bsa fouling during microfiltration.", Biotechnology and bioengineering, 44, (8), pp. 972-82
  • R F Boyd, L J Langsdorf and Andrew Zydney, 1994, "A two layer model for the effects of blood contact on membrane transport in artificial organs.", ASAIO journal (American Society for Artificial Internal Organs : 1992), 40, (3), pp. M864-9
  • L J Langsdorf and Andrew Zydney, 1994, "Diffusive and convective solute transport through hemodialysis membranes: a hydrodynamic analysis.", Journal of biomedical materials research, 28, (5), pp. 573-82
  • S Saksena and Andrew Zydney, 1994, "Effect of solution pH and ionic strength on the separation of albumin from immunoglobulins (IgG) by selective filtration.", Biotechnology and bioengineering, 43, (10), pp. 960-8
  • S P Palecek and Andrew Zydney, 1994, "Intermolecular electrostatic interactions and their effect on flux and protein deposition during protein filtration.", Biotechnology progress, 10, (2), pp. 207-13
  • L J Langsdorf and Andrew Zydney, 1994, "Effect of solution environment on the permeability of red blood cells.", Biotechnology and bioengineering, 43, (2), pp. 115-21
  • N J Ofsthun and Andrew Zydney, 1994, "Importance of convection in artificial kidney treatment.", Contributions to nephrology, 108, pp. 53-70
  • L J Langsdorf and Andrew Zydney, 1994, "Effect of blood contact on the transport properties of hemodialysis membranes: a two-layer membrane model.", Blood purification, 12, (6), pp. 292-307
  • R. F. Boyd, L. J. Langsdorf and Andrew Zydney, 1994, "A Two-Layer Model for the Effects of Blood Contact on Membrane Transport in Artificial Organs", Trans. Am. Soc. Artif. Intern. Organs, 40, pp. M864-M869
  • N. S. Pujar and Andrew Zydney, 1994, "Electrostatic and Electrokinetic Interactions During Protein Transport Through Narrow Pore Membranes", Ind. Eng. Chem. Res., 33, pp. 2473-2482
  • G. Belfort, R. H. Davis and Andrew Zydney, 1994, "The Behavior of Suspensions and Macromolecular Solutions in Crossflow Microfiltration", J. Membrane Sci., 96, pp. 1-58
  • S. P. Palecek and Andrew Zydney, 1994, "Hydraulic Permeability of Protein Deposits Formed During Microfiltration: Effect of Solution pH and Ionic Strength", J. Membrane Sci., 95, pp. 71-82
  • Andrew Zydney, P. Aimar, M. Meireles, J. M. Pimbley and G. Belfort, 1994, "Use of the Log-Normal Probability Density Function to Analyze Membrane Pore Size Distributions: Functional Forms and Discrepancies", J. Membrane Sci., 91, pp. 293-298
  • L. J. Langsdorf and Andrew Zydney, 1994, "Effect of Blood-Membrane Interactions on the Transport Characteristics of Hemodialysis Membranes", Blood Purification, 12, pp. 292-307
  • L. J. Tracey-Kelsey, L. J. Langsdorf and Andrew Zydney, 1994, "Solute Diffusion through Porous Membranes and Its Application to Membrane Bioreactors", Bioseparation, 4, pp. 165-174
  • Andrew Zydney, 1993, "Bulk mass transport limitations during high-flux hemodialysis.", Artificial organs, 17, (11), pp. 919-24
  • L J Langsdorf, L G Krankel and Andrew Zydney, 1993, "Effect of blood-membrane interactions on solute clearance during hemodialysis.", ASAIO journal (American Society for Artificial Internal Organs : 1992), 39, (3), pp. M767-72
  • L J Langsdorf and Andrew Zydney, 1993, "Effect of uremia on the membrane transport characteristics of red blood cells.", Blood, 81, (3), pp. 820-7
  • L. J. Langsdorf, L. G. Krankel and Andrew Zydney, 1993, "Effect of Blood-Membrane Interactions on Middle Molecule Clearance During Hemodialysis", Trans. Am. Soc. Artif. Intern. Organs, 39, pp. M767-M772
  • S. Mochizuki and Andrew Zydney, 1993, "Theoretical Analysis of Pore Size Distribution Effects on Membrane Transport", J. Membrane Sci., 82, pp. 211-228
  • S. T. Kelly, W. S. Opong and Andrew Zydney, 1993, "The Influence of Protein Aggregates on the Fouling of Microfiltration Membranes During Stirred Cell Filtration", J. Membrane Sci., 80, pp. 175-187
  • S. Mochizuki and Andrew Zydney, 1993, "Sieving Characteristics of Albumin Deposits Formed During Microfiltration", J. Colloid Interface Sci., 158, pp. 136-145
  • S. P. Palecek, S. Mochizuki and Andrew Zydney, 1993, "Effect of Ionic Environment on BSA Filtration and the Properties of BSA Deposits", Desalination, 90, pp. 147-160
  • K. L. McGettigan, S. T. Kelly and Andrew Zydney, 1993, "Comparison of Protein Fouling in Stirred Cell and Cross-Flow Filtration Devices", Advances in Filtration and Separation Technology, 7, pp. 431-434
  • S Mochizuki and Andrew Zydney, 1992, "Effect of protein adsorption on the transport characteristics of asymmetric ultrafiltration membranes.", Biotechnology progress, 8, (6), pp. 553-61
  • W. S. Opong and Andrew Zydney, 1992, "Effect of Membrane Structure and Solute Concentration on the Osmotic Reflection Coefficient", J. Membrane Sci., 72, pp. 277-292
  • Andrew Zydney, 1992, "Concentration Effects on Membrane Sieving: Development of a Stagnant Film Model Incorporating the Effects of Solute-Solute Interactions", J. Membrane Sci., 68, pp. 183-190
  • S. Mochizuki and Andrew Zydney, 1992, "Dextran Transport Through Asymmetric Ultrafiltration Membranes: Comparison with Hydrodynamic Models", J. Membrane Sci., 68, pp. 21-41
  • L J Langsdorf and Andrew Zydney, 1991, "Red blood cell membrane permeability of uremic and normal cells.", ASAIO transactions / American Society for Artificial Internal Organs, 37, (3), pp. M461-2
  • Andrew Zydney, J. D. Oliver and C. K. Colton, 1991, "A Constitutive Equation for the Viscosity of Stored Red Blood Cell Suspensions: Effect of Hematocrit, Shear Rate, and Suspending Phase", J. Rheology, 35, pp. 1639-1680
  • W. S. Opong and Andrew Zydney, 1991, "Diffusive and Convective Protein Transport Through Asymmetric Membranes", AIChE J., 37, pp. 1497-1510
  • W. S. Opong and Andrew Zydney, 1991, "Hydraulic Permeability of Protein Layers Deposited During Ultrafiltration", J. Colloid Interface Sci., 142, pp. 41-60
  • M R Pillarella and Andrew Zydney, 1990, "Effect of beta cell distribution on the performance of a bioartificial pancreas.", ASAIO transactions / American Society for Artificial Internal Organs, 36, (3), pp. M715-9
  • M R Pillarella and Andrew Zydney, 1990, "Theoretical analysis of the effect of convective flow on solute transport and insulin release in a hollow fiber bioartificial pancreas.", Journal of biomechanical engineering, 112, (2), pp. 220-8
  • L. J. Kelsey, M. R. Pillarella and Andrew Zydney, 1990, "Theoretical Analysis of Convective Flow in Hollow Fiber Membrane Bioreactors", Chem. Eng. Sci., 45, pp. 3211-3220
  • B. C. Robertson and Andrew Zydney, 1990, "Hindered Protein Diffusion in Asymmetric Ultrafiltration Membranes with Highly Constricted Pores", J. Membrane Sci., 49, pp. 287-303
  • B. C. Robertson and Andrew Zydney, 1990, "Protein Adsorption in Asymmetric Ultrafiltration Membranes with Highly Constricted Pores", J. Colloid Interface Sci., 134, pp. 563-575
  • K J Buzdygon and Andrew Zydney, 1989, "Effect of storage time on red blood cell membrane permeability to creatinine and uric acid.", ASAIO transactions / American Society for Artificial Internal Organs, 35, (3), pp. 693-6
  • K. Buzdygon and Andrew Zydney, 1989, "Effect of Storage Time on Red Cell Membrane Permeability to Creatinine and Uric Acid", Trans. Am. Soc. Artif. Intern. Organs., 35, pp. 693-696
  • Andrew Zydney, W. M. Saltzman and C. K. Colton, 1989, "Hydraulic Resistance of Red Cell Beds in an Unstirred Filtration Cell", Chem. Eng. Sci., 44, pp. 147-159
  • M R Pillarella and Andrew Zydney, 1988, "Analysis of solute clearance and flux in pre- and post-dilution hemofiltration.", ASAIO transactions / American Society for Artificial Internal Organs, 34, (3), pp. 415-9
  • B. C. Robertson and Andrew Zydney, 1988, "Stefan-Maxwell Diffusion Analysis of Selective Protein Transport in Porous Membranes", Sep. Sci. Tech., 23, pp. 1799-1811
  • Andrew Zydney and C. K. Colton, 1988, "Augmented Solute Transport in the Shear Flow of a Concentrated Suspension", Physicochem. Hydrodynamics, 10, pp. 77-96
  • C. F. Fox, M. Bier, D. Bruley, W. N. Drohan, J. Dwyer, J. Hord, R. Jordan, W. S. Kelley, B. Landis, R. Lovrien, B. McCoy, D. D .Y. Ryu, W. Velander and Andrew Zydney, 1988, "Technologies for Purifying Blood Proteins with Therapeutic Applications: Current Status, Future Needs", UCLA Symposia, National Research Priority Assessment Workshop
  • M. R. Pillarella and Andrew Zydney, 1988, "Solute Transport in a Hybrid Bioartificial Pancreas", Physics in Medicine and Biology, 33
  • B C Robertson and Andrew Zydney, 1987, "Polarization and adsorption effects on sieving in membrane protein filtration.", ASAIO transactions / American Society for Artificial Internal Organs, 33, (3), pp. 118-22
  • Andrew Zydney and C. K. Colton, 1986, "A Concentration Polarization Model for Filtrate Flux in Cross-Flow Microfiltration of Particulate Suspensions", Chem. Eng. Commun., 47, pp. 1-21
  • Andrew Zydney and C. K. Colton, 1984, "A Red Cell Deformation Model for Hemolysis in Cross Flow Membrane Plasmapheresis", Chem. Eng. Commun., 30, pp. 191-207
  • Andrew Zydney and C K Colton, 1982, "Continuous flow membrane plasmapheresis: theoretical models for flux and hemolysis prediction.", Transactions - American Society for Artificial Internal Organs, 28, pp. 408-12
  • Youngbin Baek, Nripen Singh, Abhiram Arunkumar and Andrew Zydney, , "Effects of Histidine and Sucrose on the Biophysical Properties of a Monoclonal Antibody", Pharmaceutical research
  • Kaitlyn P. Russell, Andrew Zydney and Enrique Daniel Gomez, , "Impact of virus filter pore size / morphology on virus retention behavior", Journal of Membrane Science, pp. 121335

Conference Proceedings

  • M. Menonparambil, D. B. Burns and Andrew Zydney, 1997, "Effect of Protein Charge on Membrane Transport: Use of Capillary Electrophoresis to Correlate Sieving Data", Proceedings of the American Chemical Society Meeting
  • R. F. Boyd, L. Y. Santiago, G. Lopez, C. L. Stephens, G. M. Velez, Andrew Zydney and C. A. Ramirez, 1996, "Solute transport in the hybrid artificial pancreas device: In vitro results and mathematical simulation", Proceedings of the World Congress on Chemical Engineering, pp. 785-791
  • H. C. M. van Eijndhoven, S. Saksena and Andrew Zydney, 1995, "Comparison of Batch and Diafiltration Processes for Protein Fractionation Using Semi-Permeable Membranes", Proceedings of Euromembrane 95, II, pp. 366-369
  • N. S. Pujar, S. Saksena and Andrew Zydney, 1993, "Electrostatic Interactions in Protein Transport Through Asymmetric Ultrafiltration Membranes", Proceedings of the International Congress on Membranes and Membrane Processes
  • P. J. Soltys, N. J. Ofsthun and Andrew Zydney, 1993, "Theoretical and Experimental Studies of the Anisotropic Sieving Characteristics of Dual-Skinned Membranes", Proceedings of the International Congress on Membranes and Membrane Processes
  • S. Mochizuki and Andrew Zydney, 1993, "Theoretical Analysis of the Effects of a Pore Size Distribution on Membrane Transport", Proceedings of the International Congress on Membranes and Membrane Processes
  • S. Saksena and Andrew Zydney, 1992, "Protein Adsorption and Bulk Mass Transfer Effects in Selective Membrane Filtration", Proceedings, American Institute of Chemical Engineers Conference, pp. 816-821
  • S. Mochizuki, Andrew Zydney and W. S. Opong, 1990, "Macromolecular Sieving by Protein Deposits Formed During Ultrafiltration and Microfiltration", Proceedings of the International Congress on Membranes and Membrane Technology, II, pp. 1137-1139
  • L. J. Kelsey and Andrew Zydney, 1990, "Fluid Flow in Hollow Fiber Membrane Bioreactors", Proceedings of the International Congress on Membranes and Membrane Technology, II, pp. 939-941
  • W. S. Opong and Andrew Zydney, 1990, "Effect of Protein Deposition on Hydraulic Permeability of Ultrafiltration and Microfiltration Membranes", Proceedings of the International Congress on Membranes and Membrane Technology, I, pp. 622-624
  • Andrew Zydney and C. K. Colton, 1982, "Mass Transport in Membrane Plasmapheresis", Proc. Third Int. Conf. Mech. Med. Biol

Encyclopedia Entries

  • Andrew Zydney, 2018, "Ultrafiltration",, Kirk-Othmer Encyclopedia of Chemical Technology, , John Wiley and Sons, State College, United States

Other

  • Andrew Zydney, 2015, "Harry Lonsdale (1932-2014)", Journal of Membrane Science, 479, pp. III-VII
  • M. D. Guiver, E. M. V. Hoek, V. Nikonenko, V. V. Tarabara and A. L. Zydney, 2013, "Membrane Terminology"
  • J. H. Shao and Andrew Zydney, 2007, "Effects of reprocessing techniques on function of polysulfone hemodialysis membranes", 6, pp. 16
  • J. R. Matson, Andrew Zydney and P. M. Honore, 2004, "Blood Filtration: New Opportunities and the Implications of Systems Biology", 6, pp. 68-74
  • Andrew Zydney and D. Bohonak, 2003, "Filtrate Flux and Sieving Characteristics of Virus Filtration Members"
  • P. M. Honore, Andrew Zydney and J. R. Matson, 2003, "High Volume and High Permeability Hemofiltration for Treatment of Sepsis: The Evidence and the Key Issues", Care of the Criticially I11, pp. 69-76

Research Projects

  • November 2015 - February 2017, "Use of Confocal Microscopy to Study Virus Capture during Virus Removal Filtration," (Sponsor: Millipore Corporation).
  • August 2015 - August 2017, "Ultrafiltration and Diafiltration of Highly Concentrated Monoclonal Antibody Solutions," (Sponsor: Bristol-Myers Squibb Company [MP]).
  • July 2015 - December 2017, "Sponsored Research Agreement," (Sponsor: Pfizer Incorporated [MP]).

Honors and Awards

  • Fellow, North American Membrane Society, May 2022 - May 2022
  • Warren K.Lewis Award in Chemical Engineering Education, American Institute of Chemical Engineers (AIChE), November 2020
  • ACS Award in Separations Science and Technology, American Chemical Society, March 2020
  • Fellow, ACS I&EC Division, American Chemical Society, I&EC Division, March 2020
  • Alan S. Michaels Award for Innovation in Membrane Science and Technology, North American Membrane Society, May 2020
  • Outstanding Research Award, Penn State Engineering Alumni Society, October 2019
  • Alan S. Michaels Award in the Recovery of Biological Products, American Chemical Society, BIOT Division, March 2019
  • Gerhold Award in Separations Science, AIChE - American Institute of Chemical Engineers, November 2017
  • Lawrence J. Perez Memorial Student Advocate Award, College of Engineering, Penn State, April 2016
  • Biotechnology Progress Award for Excellence in Biological Engineering Publications, American Institute of Chemical Engineers, November 2016
  • Fellow, AAAS - American Association for the Advancement of Science, November 2015
  • Outstanding Teaching Award, PSEAS - Penn State Engineering Alumni Association, April 2015
  • Fellow, AIChE - American Institute of Chemical Engineers, May 2011
  • Distinguished Teacher Award, ASEE Mid-Atlantic Section, June 1999
  • Fellow, AIMBE - American Institute of Medical and Biological Engineers, May 1998
  • Bayard D. Kunkle Chair, College of Engineering, Penn State, October 2017

Service

Service to Penn State:

Service to External Organizations:

  • Organizing Conferences and Service on Conference Committees, Committee Member, Scientific Advisory Committee, International Congress on Membranes (ICOM), June 2018 - December 2020
  • Service to Public and Private Organizations, Committee Member, Member of Virus Filtration FMEA Task Force, Parenteral Drug Association (PDA), December 2017 - April 2022
  • Organizing Conferences and Service on Conference Committees, Co-Organizer, North American Membrane Society, Annual Meeting, January 2017 - June 2019
  • Service to Public and Private Organizations, Attendee, ACS Green Chemistry Institute AltSep Workshop, American Chemical Society, March 2017 - May 2017
  • Organizing Conferences and Service on Conference Committees, Committee Member, Scientific Organizing Committee, World Biopharm Forum – Continuous Biomanufacturing, July 2016 - June 2017
  • Organizing Conferences and Service on Conference Committees, Chairperson, Session Chair, International Congress on Membranes, July 2017
 


 

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