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Research ArticleResearch

Characterization of Protein Aggregating Tungstates: Electrospray Mass Spectrometry Analysis of Extracts from Prefilled Syringes and from Tungsten Pins Used in the Manufacture of Syringes

Michael Ronk, Hans Lee, Kiyoshi Fujimori, Ping Yeh and Yasser Nashed-Samuel
PDA Journal of Pharmaceutical Science and Technology January 2016, 70 (1) 51-61; DOI: https://doi.org/10.5731/pdajpst.2015.005546
Michael Ronk
1Materials and Systems Analytics, Amgen Inc., Thousand Oaks, CA; and
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  • For correspondence: mronk@amgen.com
Hans Lee
1Materials and Systems Analytics, Amgen Inc., Thousand Oaks, CA; and
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Kiyoshi Fujimori
1Materials and Systems Analytics, Amgen Inc., Thousand Oaks, CA; and
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Ping Yeh
2Drug Product Formulation Technologies, Amgen Inc., Thousand Oaks CA, 91320
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Yasser Nashed-Samuel
1Materials and Systems Analytics, Amgen Inc., Thousand Oaks, CA; and
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Article Information

vol. 70 no. 1 51-61
DOI 
https://doi.org/10.5731/pdajpst.2015.005546
PubMed 
26797967

Published By 
Parenteral Drug Association (PDA)
Print ISSN 
1079-7440
Online ISSN 
1948-2124
History 
  • Published online February 16, 2016.

Article Versions

  • previous version (January 21, 2016 - 17:53).
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Copyright & Usage 
© PDA, Inc. 2016

Author Information

  1. Michael Ronk1,*,
  2. Hans Lee1,
  3. Kiyoshi Fujimori1,
  4. Ping Yeh2 and
  5. Yasser Nashed-Samuel1
  1. 1Materials and Systems Analytics, Amgen Inc., Thousand Oaks, CA; and
  2. 2Drug Product Formulation Technologies, Amgen Inc., Thousand Oaks CA, 91320
  1. ↵* Corresponding Author: Michael Ronk, One Amgen Center Drive, Amgen Inc., Thousand Oaks, CA 91320; Telephone (805)447-1352; e-mail: mronk{at}amgen.com
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PDA Journal of Pharmaceutical Science and Technology: 70 (1)
PDA Journal of Pharmaceutical Science and Technology
Vol. 70, Issue 1
January/February 2016
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Characterization of Protein Aggregating Tungstates: Electrospray Mass Spectrometry Analysis of Extracts from Prefilled Syringes and from Tungsten Pins Used in the Manufacture of Syringes
Michael Ronk, Hans Lee, Kiyoshi Fujimori, Ping Yeh, Yasser Nashed-Samuel
PDA Journal of Pharmaceutical Science and Technology Jan 2016, 70 (1) 51-61; DOI: 10.5731/pdajpst.2015.005546

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Characterization of Protein Aggregating Tungstates: Electrospray Mass Spectrometry Analysis of Extracts from Prefilled Syringes and from Tungsten Pins Used in the Manufacture of Syringes
Michael Ronk, Hans Lee, Kiyoshi Fujimori, Ping Yeh, Yasser Nashed-Samuel
PDA Journal of Pharmaceutical Science and Technology Jan 2016, 70 (1) 51-61; DOI: 10.5731/pdajpst.2015.005546
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Keywords

  • Syringe Extracts
  • Tungsten
  • Tungstate
  • protein aggregation
  • Tungsten Pins
  • Mass spectrometry

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