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A Plasma Sample Preparation for Mass Spectrometry using an Automated Workstation

A Plasma Sample Preparation for Mass Spectrometry using an Automated Workstation

Published on: April 24, 2020

Glycoproteomic reactor for human plasma.

Hu Zhou¹, Weimin Hou, Nicholas J Denis

¹Department of Biochemistry, University of Ottawa, Ottawa, Ontario, Canada K1H 8M5.

Journal of Proteome Research

|December 11, 2008

Summary

We developed an integrated glycoproteomic reactor for efficient N-glycosylated protein analysis. This device streamlines sample processing, enabling rapid identification of unique glycopeptides from minimal human plasma volumes.

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Area of Science:

Biochemistry
Proteomics
Analytical Chemistry

Background:

N-glycosylated proteins play crucial roles in various biological processes.
Studying glycoproteins is challenging due to complex sample preparation requirements.
Existing methods often involve multiple, time-consuming steps.

Purpose of the Study:

To develop an integrated device for streamlined glycoproteomic analysis.
To enhance the efficiency and speed of N-glycosylated protein processing.
To enable comprehensive proteomic analysis from small sample volumes.

Main Methods:

Development of a micro-scale glycoproteomic reactor.
Integration of enrichment, deglycosylation, digestion, and fractionation steps.

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Last Updated: Jun 27, 2026

A Plasma Sample Preparation for Mass Spectrometry using an Automated Workstation

A Plasma Sample Preparation for Mass Spectrometry using an Automated Workstation

Published on: April 24, 2020

Utilized concanavalin A affinity chromatography for initial glycoprotein enrichment.

Main Results:

Identified 82 unique glycopeptides from 41 glycoproteins in 5 microL of human plasma.
Reduced sample processing time to under 1.5 hours.
Achieved over 1000-fold sample concentration with reduced reagent consumption.

Conclusions:

The glycoproteomic reactor significantly simplifies and accelerates glycoprotein analysis.
This technology enables deeper proteomic coverage and more reliable identifications.
The device is suitable for analyzing N-glycosylated proteins in complex biological samples.