P/ACE MDQ Glyproprotein System

P/ACE MDQ Glyproprotein System
 4.3/5.0 (2 reviews)

Beckman Coulter

CE-based system for the separation and characterization of proteins and associated carbohydrates. The system is ideal for peptide mapping, separation of proteins by molecular weight, accurate isoelect...read more

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Catherine Perrin


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Member since 2003

Universite Montpellier
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  • 4 out of 5EASE OF USE
  • 4 out of 5VALUE FOR MONEY

Review date: 25 Jun 2003

P/ACE MDQ Glyproprotein System

Read 2 reviews

H Fabre


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Member since 2003

Faculty of Pharmacy
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  • 5 out of 5EASE OF USE
  • 5 out of 5VALUE FOR MONEY

Review date: 24 Jun 2003

P/ACE MDQ Glyproprotein System



CE-based system for the separation and characterization of proteins and associated carbohydrates. The system is ideal for peptide mapping, separation of proteins by molecular weight, accurate isoelectric point (pI) determination, oligosaccharide profiling and monosaccharide analysis. System includes a P/ACE MDQ configured with a selectable wavelength UV/Vis (200, 214, 254 and 280 nm included) detector, UV source optics, laser-induced fluorescence detector, 488 nm argon ion laser module, a temperature-controlled sample storage module, and 32 Karat™ Software configured on an IBM personal computer. Installation Qualification, Operation Qualification 1 (OQ1) and documentation to aid in software validation is also included.

Product Features

* Oligosaccharide Profiling
The distribution of glycans released from a glycoprotein yields a fingerprint used in product identification and in monitoring production processes. CE-LIF provides rapid analysis of released glycans, with separation times typically less than 15 minutes. Extraordinary resolution is achieved, including some positional isomers. Laser-induced fluorescence provides high sensitivity, enabling you to simply "dilute and shoot" samples with complex matrices

* Identity by Immunoassay
Immunoassays are commonly used in biotechnology for the detection and quantification of host cell contaminants. The CE-LIF format eliminates antigen immobilization and avoids many solid phase-associated problems. Since laser-induced fluorescence detection is used, nonlabeled proteins and peptides that do not interact with the complex are not detected, giving clean baselines and easily interpreted electropherograms

* Glycoform Analysis
The solution-based approach of CE allows one to easily create an environment to assess differences in a protein's glycosylation state--directly from the protein--through the addition of salts like borate, one can form complexes which amplify the charge state of the glycovariants. This is the simplest approach to assessing the heterogeneity of a glycoprotein

* Isoelectric Focusing
Identity can be partially established with the determination of a protein's isoelectric point, while heterogeneity can be assessed with quantitation of the different variants separated. Capillary isoelectric focusing (CIEF) offers the advantage of analysis speed, automation, and most important, direct quantification with on-line UV detection

* Monosaccharide Analysis
The analysis of monosaccharide composition can provide valuable information during the initial characterization of a glycoprotein. A clear advantage of our CE-based approach is in the specificity of the assay. The reductive amination and open-tube format allow this analysis to be performed directly from the glycoprotein hydrolysate--no need for posthydrolysis cleanup. With LIF and APTS derivatization, each sugar yields the same detector response, such that their relative quantities can be directly compared

* Solutions for the Analysis of Macromolecules
This CD-ROM tutorial provides seminars on the development of solution-based assays for nucleic acid, protein and carbohydrate analyses. Animation describing these analytical processes is shown, along with practical demonstrations on the implementation of these assays. Our focus is to provide you with tools that improve productivity by cutting through the complexity with simple, bold analytical solutions


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