A specific molar ratio of stabilizer to protein is required for storage stability of a lyophilized monoclonal antibody

…, B Kendrick, J Yang, T Yang, D Overcashier… - Journal of …, 2001 - Elsevier
The selection of the appropriate excipient and the amount of excipient required to achieve a
2‐year shelf‐life is often done by using iso‐osmotic concentrations of excipients such as …

Lyophilization of protein formulations in vials: Investigation of the relationship between resistance to vapor flow during primary drying and small‐scale product collapse

DE Overcashier, TW Patapoff… - Journal of …, 1999 - Wiley Online Library
During the lyophilization process, formulations containing protein, bulking agent, or
lyoprotectant form a dry product layer that can affect the transport of sublimed water vapor. We …

Effects of reducing sugars on the chemical stability of human relaxin in the lyophilized state

S Li, TW Patapoff, D Overcashier, C Hsu… - Journal of …, 1996 - Elsevier
Sugars and polyols have been used routinely with lyophilized proteins and peptides as
bulking agents, cryoprotectants, and lyoprotectants. However, reducing sugars may present a …

Replacing succinate with glycolate buffer improves the stability of lyophilized interferon-γ

XM Lam, HR Costantino, DE Overcashier… - International journal of …, 1996 - Elsevier
Lyophilization is commonly used to dry protein pharmaceuticals to enhance their shelf life.
During the freezing step of this process, significant events (eg pH shifting) can occur in the …

Design and application of a low-temperature Peltier-cooling microscope stage

CC Hsu, AJ Walsh, HM Nguyen, DE Overcashier… - Journal of …, 1996 - Elsevier
A light microscopy system has been designed for freezing and lyophilization studies of protein
pharmaceuticals. The system consists of a cascade of four Peltier thermoelectric modules …

Investigating liquid leak from pre-filled syringes upon needle shield removal: effect of air bubble pressure

E Chan, YF Maa, D Overcashier… - PDA Journal of …, 2011 - journal.pda.org
This study is to investigate the effect of headspace air pressure in pre-filled syringes on liquid
leak (dripping) from the syringe needle upon needle shield removal. Drip tests to measure …

Preparation of excipient-free recombinant human tissue-type plasminogen activator by lyophilization from ammonium bicarbonate solution: an investigation of the two …

DE Overcashier, DA Brooks, HR Costantino… - Journal of …, 1997 - Elsevier
Dry, excipient-free recombinant human tissue-type plasminogen activator (tPA) powder was
prepared by lyophilization from ammonium bicarbonate solution. Ammonium bicarbonate …

[CITATION][C] The importance of freezing on lyophilization cycle development

TW Patapoff, DE Overcashier - Biopharm, 2002 - Advanstar Communications

[PDF][PDF] Investigating Liquid Leak from Pre-Filled Syringes upon

E Chan, YF Maa, D Overcashier - researchgate.net
This study is to investigate the effect of headspace air pressure in pre-filled syringes on liquid
leak (dripping) from the syringe needle upon needle shield removal. Drip tests to measure …

[BOOK][B] Transitions between the gut and the gutter: A global examination of the regulon controlled by the leucine-responsive regulatory protein (Lrp) in Escherichia …

TH Tani - 2002 - search.proquest.com
E. coli makes use of global transcriptional regulators to survive ever-changing environmental
conditions. The leucine-responsive regulatory protein (Lrp) is one such global regulator …