Andrew Zydney

Director of the Center for Industrial Biotechnology; Distinguished Professor of Chemical Engineering

Andrew Zydney

Huck Affiliations

Most Recent Publications

Single particle tracking reveals through-membrane diffusion of bacteriophage during process disruption of virus filtration

Ian Wyllie, Mohammad A. Afzal, Anni Shi, Andrew L. Zydney, Daniel K. Schwartz, 2025, Journal of Membrane Science

Flux and fouling behavior during constant pressure sterile filtration of nanoemulsions

Shreya Kapila, Randal J. Soukup, Marissa E. Bradley, Andrew L. Zydney, 2025, Journal of Membrane Science

Development of a local wall concentration model for the design of single pass tangential flow filtration (SPTFF) systems with viral vector surrogates

Akshay S. Chaubal, Alexis J. Single, Andrew L. Zydney, 2025, Journal of Membrane Science

Development of charged membranes for the ultrafiltration of siRNA

Ihita Banik, Ken K. Qian, McKensie L. Mason, Andrew L. Zydney, 2025, Journal of Membrane Science

Virus retention during constant-flux virus filtration using the Viresolve® Pro membrane including process disruption effects

Joshua Peles, Benjamin Cacace, Christina Carbrello, Sal Giglia, Joseph Hersey, Andrew L. Zydney, 2024, Journal of Membrane Science

Development of a new modeling framework to describe sterile filtration of mRNA-Lipid nanoparticles

Kevork Oliver Messerian, Anton Zverev, Jack F. Kramarczyk, Andrew L. Zydney, 2024, Journal of Membrane Science

Proteomic analysis of host cell protein fouling during bioreactor harvesting

Da Zhang, S. Ranil Wickramasinghe, Andrew L. Zydney, John P. Smelko, Abdullah Loman, April Wheeler, Xianghong Qian, 2024, Biotechnology Progress

Comparative Analysis of the Impact of Protein on Virus Retention for Different Virus Removal Filters

Mohammad A. Afzal, Joshua Peles, Andrew L. Zydney, 2024, Membranes

Optimizing particle morphology during antibody precipitation for enhanced tangential flow filtration performance

Mirko Minervini, Ali Behboudi, Jovana R. Marzella, Andrew L. Zydney, 2024, Gas Separation and Purification

Membrane technology for the purification of RNA and DNA therapeutics

Amin Javidanbardan, Kevork Oliver Messerian, Andrew L. Zydney, 2024, Trends in Biotechnology on p. 714-727

Most-Cited Papers

Tight ultrafiltration membranes for enhanced separation of dyes and Na<sub>2</sub>SO<sub>4</sub> during textile wastewater treatment

Jiuyang Lin, Wenyuan Ye, Marian Cornel Baltaru, Yu Pan Tang, Nicole J. Bernstein, Peng Gao, Stefan Balta, Maria Vlad, Alexander Volodin, Arcadio Sotto, Patricia Luis, Andrew L. Zydney, Bart Van der Bruggen, 2016, Journal of Membrane Science on p. 217-228

Polyacrylamide degradation and its implications in environmental systems

Boya Xiong, Rebeca Loss, Derrick Shields, Taylor Pawlik, Richard Hochreiter, Andrew Zydney, M Kumar, 2018, npj Clean Water

Nanoscale control of internal inhomogeneity enhances water transport in desalination membranes

Tyler Culp, Biswajit Khara, Kaitlyn Brickey, Michael Geitner, Tawanda Zimudzi, Jeffrey Wilbur, Steven Jons, Abhishek Roy, Mou Paul, Baskar Ganapathysubramanian, Andrew Zydney, M Kumar, E Gomez, 2021, Science on p. 72-75

Continuous downstream processing for high value biological products: A Review

Andrew L. Zydney, 2016, Biotechnology and Bioengineering on p. 465-475

Microfiltration and ultrafiltration: Principles and applications

Leos J. Zeman, Andrew L. Zydney, 2017,

Perspectives on integrated continuous bioprocessing - opportunities and challenges

Andrew Zydney, 2015, Current Opinion in Chemical Engineering on p. 8-13

Fouling of microfiltration membranes by flowback and produced waters from the Marcellus shale gas play

Boya Xiong, Andrew L. Zydney, Manish Kumar, 2016, Water Research on p. 162-170

Chemical Degradation of Polyacrylamide during Hydraulic Fracturing

Boya Xiong, Zachary Miller, Selina Roman-White, Travis Tasker, Benjamin Farina, Bethany Piechowicz, William D. Burgos, Prachi Joshi, Liang Zhu, Christopher A. Gorski, Andrew L. Zydney, Manish Kumar, 2018, Environmental Science & Technology on p. 327-336

Recovery of small dye molecules from aqueous solutions using charged ultrafiltration membranes

Xiuwen Chen, Yiru Zhao, Jennifer Moutinho, Jiahui Shao, Andrew L. Zydney, Yiliang He, 2015, Journal of Hazardous Materials on p. 58-64

New developments in membranes for bioprocessing – A review

Andrew Zydney, 2021, Journal of Membrane Science on p. 118804

News Articles Featuring Andrew Zydney

Nov 08, 2024

Penn State’s chemical engineering program celebrates 100 years

Penn State's chemical engineering program today houses nearly 10,000 alumni, 500 undergraduates and graduate students, as well as 45 faculty, post-doctoral candidates and staff members.

Full Article

Nov 18, 2022

Engineering community mourns death of Professor Janna Maranas

The Penn State College of Engineering community is mourning the sudden loss of Janna Maranas, professor of chemical engineering, who died on Nov. 3 at the age of 57.

Full Article

Aug 26, 2021

What Chemical Engineers Do and How to Become One

Chemical engineering jobs focus on making chemistry-based products safely, quickly and inexpensively.

Full Article

Aug 23, 2021

Here and Now: Hayes Ready to Lead Center of Excellence in Industrial Biotechnology into the Next Phase of Impact

Dan Hayes, Ph.D., replaced Andrew Zydney, Ph.D., as the Center of Excellence in Industrial Biotechnology's Director.

Full Article

Feb 17, 2021

New Technique Developed for Large-Scale Continuous Protein Purification

Scientists have developed a new technique for purifying proteins during antibody manufacturing. The aim is to reduce the cost of continuous manufacturing for large-scale applications, such as COVID-19 therapeutics or Alzheimer’s disease treatments, without the need for Protein A.

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Nov 17, 2020

Bioprocessing’s Potential Impact on Patients

To check the pulse of an industry, it never hurts to simply ask around. So, I contacted a collection of bioprocessing experts from around the world, and asked them one question: What is today’s biggest challenge in bioprocessing?

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Oct 28, 2020

Observing the Performance of Planova Filters

The bioprocessing of therapeutics requires many steps, including viral filtration. To improve these steps, scientists must compare the performance of various products. That’s just what Andrew Zydney, director of the Center of Excellence in Industrial Biotechnology at Pennsylvania State University, and his colleagues did.

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Oct 19, 2020

Andrew Zydney Shares Continuous Bioprocessing Strategies with a Global Audience

Andrew Zydney, Ph.D., continued sharing his knowledge of bioprocessing with a global audience when he recently spoke at the “BioProcess International” Conference, held virtually for the first time in 2020.

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Feb 25, 2020

Chemical engineering professor receives membrane research award

The North American Membrane Society (NAMS) has named Andrew Zydney, Penn State Bayard D. Kunkle Chair, professor of chemical engineering and director of the Center of Excellence in Industrial Biotechnology, as their 2020 recipient of the Alan S. Michaels Award for Innovation in Membrane Science and Technology.

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Nov 25, 2019

Industrial Biotechnology Scholarships Announced

The Center of Excellence in Industrial Biotechnology is excited to announce two new CSL Behring Scholarships for Penn State undergraduate students interested in the broad area of industrial biotechnology, ranging from biopharmaceutical manufacturing and food biotechnology, to the production of bio-based chemicals.

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