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: 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.
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MS — The Practical Art | Kate Yu: Kate Yu brings her expertise in the field of mass spectrometry and hyphenated techniques to the pages of LCGC. In this column she examines the mass spectrometric side of coupled liquid and gas-phase systems. Troubleshooting-style articles provide readers with invaluable advice for getting the most from their mass spectrometers. LATEST: Radical Mass Spectrometry as a New Frontier for Bioanalysis


LC Troubleshooting | John Dolan: LC Troubleshooting sets about making HPLC methods easier to master. By covering the basics of liquid chromatography separations and instrumentation, John Dolan is able to highlight common problems and provide remedies for them. LATEST: Problems with Large-Molecule Separations


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