Articles by Peter Mrozinski - Chromatography Online
Articles by Peter Mrozinski

Peter Mrozinski


Peter Mrozinski is an Application Scientist, Bioseparations, Agilent Technologies, Little Falls, Delaware.

Articles
Agilent EU - Using the Agilent Sample Prep WorkBench for Analysis of Estrone by GC?MS-MS
August 30, 2013

This application note briefly outlines how the Agilent 7696A Sample Prep WorkBench can be used to prepare samples for analysis through GC?MS-MS using an automated workflow.

Agilent NA - Using the Agilent Sample Prep WorkBench for analysis of estrone by GC/MS/MS
August 29, 2013

This applications note briefly outlines how the Agilent 7696A Sample Prep WorkBench can be used to prepare samples for anlaysis through GC/MS/MS using an automated workflow.

Removal and Depletion of High-Abundance Proteins from Biological Fluids
February 1, 2007

This installment of "Sample Prep Perspectives" discusses techniques for the reduction/depletion of high-abundance proteins.

New Sample Fractionation Strategies for Proteomic Analyses by LC–MS
November 1, 2006

Mass spectrometry has long been a preferred tool for protein identification and biomarker discovery, but preparation of biological samples remains a challenge. Hindrances include the wide range of protein concentrations, sample complexity, and loss or alteration of important proteins due to sample handling. This article describes recent developments in sample fractionation technologies that are overcoming these challenges in interesting ways and are enabling in-depth proteomic studies that were not possible in the past.

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LCGC COLUMNISTS 2014

Sample Prep Perspectives | Ronald E. Majors:

LCGC Columnist Ron Majors, established authority on new column technologies, keeps readers up-to-date with new sample preparation trends in all branches of chromatography and reviews developments in existing technology lines.

LATEST: The Role of Selectivity in Extractions: A Case Study

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With each installment of this column, a different industry veteran covers an aspect of the evolution and continued development of the science of chromatography, from its birth to its eventual growth into the high-powered industry we see today.

LATEST: Georges Guiochon: Separation Science Innovator

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LATEST: Mass Spectrometry for Natural Products Research: Challenges, Pitfalls, and Opportunities


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LC Troubleshooting sets about making HPLC methods easier to master. By covering the basics of liquid chromatography separations and instrumentation, John Dolan, Vice President of LC Resources and world renowned expert on HPLC, is able to highlight common problems and provide remedies for them.

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