Michael Ronk

Michael Ronk

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Michael Ronk

Michael Ronk

Publications by authors named "Michael Ronk"

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Extractables analysis of single-use flexible plastic biocontainers.

PDA J Pharm Sci Technol 2015 Jan-Feb;69(1):49-58

Drug Product Development, Amgen Inc., Thousand Oaks, CA;

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http://dx.doi.org/10.5731/pdajpst.2015.01001DOI Listing
January 2018

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

PDA J Pharm Sci Technol 2016 Jan-Feb;70(1):51-61. Epub 2016 Jan 21.

Materials and Systems Analytics, Amgen Inc., Thousand Oaks, CA; and.

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http://dx.doi.org/10.5731/pdajpst.2015.005546DOI Listing
January 2018

Ambient analysis of leachable compounds from single-use bioreactors with desorption electrospray ionization time-of-flight mass spectrometry.

Rapid Commun Mass Spectrom 2014 Nov;28(21):2285-91

Drug Product Development, Amgen Inc., One Amgen Center Drive, Thousand Oaks, CA, 91320, USA.

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http://dx.doi.org/10.1002/rcm.7021DOI Listing
November 2014

Application of two-dimensional selective-TOCSY HMBC for structure elucidation of impurities in mixture without separation.

Magn Reson Chem 2013 Feb 11;51(2):89-94. Epub 2012 Dec 11.

Analytical Research and Development, Amgen Inc., Thousand Oaks, CA 91320, USA.

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http://dx.doi.org/10.1002/mrc.3912DOI Listing
February 2013

A Multidisciplinary Investigation to Determine the Structure and Source of Dimeric Impurities in AMG 517 Drug Substance.

Int J Anal Chem 2009 17;2009:768743. Epub 2008 Dec 17.

Department of Analytical Research and Development, Amgen Inc., Thousand Oaks, CA 91320, USA.

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http://dx.doi.org/10.1155/2009/768743DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2814138PMC
July 2011

Highly enantioselective hydrogenation of styrenes directed by 2'-hydroxyl groups.

Org Lett 2011 Apr 8;13(7):1881-3. Epub 2011 Mar 8.

Chemical Process Research and Development, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, United States.

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http://dx.doi.org/10.1021/ol200422pDOI Listing
April 2011

Toward top-down determination of PEGylation site using MALDI in-source decay MS analysis.

J Am Soc Mass Spectrom 2009 Feb 1;20(2):326-33. Epub 2008 Nov 1.

Analytical Research and Development, Amgen Inc., Thousand Oaks, California 91320, USA.

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http://dx.doi.org/10.1016/j.jasms.2008.10.013DOI Listing
February 2009