Publications by authors named "Ashraf Amanullah"

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Red colored IgG4 caused by vitamin B12 from cell culture media combined with disulfide reduction at harvest.
Gayle E Derfus, Jemelle Dizon-Maspat, Jared T Broddrick, Arleene C Velayo, Josh D Toschi, Ashraf Amanullah

MAbs· May 2015

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Automated dynamic fed-batch process and media optimization for high productivity cell culture process development.
Franklin Lu, Poh Choo Toh, Iain Burnett, Feng Li, Terry Hudson, Ashraf Amanullah

Biotechnol Bioeng· January 2013

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Probing of C-terminal lysine variation in a recombinant monoclonal antibody production using Chinese hamster ovary cells with chemically defined media.
Jun Luo, Jian Zhang, Diya Ren, Wen-Lin Tsai, Feng Li, Ashraf Amanullah

Biotechnol Bioeng· September 2012

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Characterization of the basic charge variants of a human IgG1: effect of copper concentration in cell culture media.
Timothy Kaschak, Daniel Boyd, Franklin Lu, Gayle Derfus, Brian Kluck, Ashraf Amanullah

MAbs· June 2012

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Feeding lactate for CHO cell culture processes: impact on culture metabolism and performance.
Jincai Li, Chun Loong Wong, Natarajan Vijayasankaran, Terry Hudson, Ashraf Amanullah

Biotechnol Bioeng· May 2012

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Engineering upper hinge improves stability and effector function of a human IgG1.
Boxu Yan, Daniel Boyd, Timothy Kaschak, Joni Tsukuda, Amy Shen, Ashraf Amanullah

J Biol Chem· February 2012

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Comparative metabolite analysis to understand lactate metabolism shift in Chinese hamster ovary cell culture process.
Jun Luo, Natarajan Vijayasankaran, Jennifer Autsen, Rodell Santuray, Terry Hudson, Ashraf Amanullah

Biotechnol Bioeng· January 2012

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Detection and identification of a serine to arginine sequence variant in a therapeutic monoclonal antibody.
Diya Ren, Jian Zhang, Ross Pritchett, Hongbin Liu, Jennifer Kyauk, Ashraf Amanullah

J Chromatogr B Analyt Technol Biomed Life Sci· October 2011

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Exploration of overloaded cation exchange chromatography for monoclonal antibody purification.
Hui F Liu, Beth McCooey, Tiago Duarte, Deanna E Myers, Terry Hudson, Ashraf Amanullah

J Chromatogr A· September 2011

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Cell culture processes for monoclonal antibody production.
Feng Li, Natarajan Vijayasankaran, Amy Yijuan Shen, Robert Kiss, Ashraf Amanullah

MAbs· April 2011

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Quantitative modeling of viable cell density, cell size, intracellular conductivity, and membrane capacitance in batch and fed-batch CHO processes using dielectric spectroscopy.
Cary F Opel, Jincai Li, Ashraf Amanullah

Biotechnol Prog· December 2010

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Second International Conference on Accelerating Biopharmaceutical Development: March 9-12, 2009, Coronado, CA USA.
Janice M Reichert, Nitya Jacob, Ashraf Amanullah

MAbs· June 2010

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Cell culture monitoring via an auto-sampler and an integrated multi-functional off-line analyzer.
Gayle E Derfus, Daniel Abramzon, Meg Tung, David Chang, Robert Kiss, Ashraf Amanullah

Biotechnol Prog· May 2010

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Novel micro-bioreactor high throughput technology for cell culture process development: Reproducibility and scalability assessment of fed-batch CHO cultures.
Ashraf Amanullah, Jose Manuel Otero, Mark Mikola, Amy Hsu, Jinyou Zhang

Biotechnol Bioeng· May 2010

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Second International Conference on Accelerating Biopharmaceutical Development: March 9-12, 2009, Coronado, CA, USA.
Janice M Reichert, Nitya M Jacob, Ashraf Amanullah

Biotechnol Prog· December 2009

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Twenty-four well plate miniature bioreactor system as a scale-down model for cell culture process development.
Aaron Chen, Rajesh Chitta, David Chang, Ashraf Amanullah

Biotechnol Bioeng· January 2009

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Twenty-four-well plate miniature bioreactor high-throughput system: assessment for microbial cultivations.
Kevin Isett, Hugh George, Wayne Herber, Ashraf Amanullah

Biotechnol Bioeng· December 2007

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Evaluation of a novel Wave Bioreactor cellbag for aerobic yeast cultivation.
Mark Mikola, Jennifer Seto, Ashraf Amanullah

Bioprocess Biosyst Eng· July 2007

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