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Displaying 1-5 of 14 results for: charge variant

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Charge variant analysis of Ranibizumab sample using volatile buffer and strong cation exchange column.

Instrument Type: HPLC (Biocompatible)

The Thermo Scientific Dionex UltiMate 3000 LC Bio-LC system is applied for the Ion Exchange analysis of ranibizumab sample. The separation was performed on a Thermo Scientific MAbPac SCX-10 with a UV detection at 280 nm.

Separation of charge variants of romiplostim by Ion Exchange chromatography using strong cation exchange column

Instrument Type: HPLC (Biocompatible)

The Thermo Scientific Dionex UltiMate 3000 LC Bio-LC system is applied for the Ion Exchange analysis of romiplostim i.e peptibody. The separation was performed on a Thermo Scientific MAbPac SCX-10 with a UV detection at 210 nm.

Simple charge variant profile comparison of an innovator monoclonal antibody and a biosimilar candidate

Instrument Type: UHPLC

To demonstrate the effectiveness of a simple pH gradient/ion-exchange chromatography workflow approach to the characterization of charge variant profiles of an innovator molecule (cetuximab) and a candidate biosimilar. To show the assay is simple, reproducible, easily optimized and resolves variants effectively.

Evaluation and application of salt- and pH-based ion-exchange chromatography gradients for analysis of therapeutic monoclonal antibodies

Instrument Type: UHPLC

To demonstrate the CX-1 pH buffer system is capable of charge variant determination for the majority of therapeutic monoclonal antibody species. To show the ease of optimization and improved reproducibility of this buffer system when compared to salt-based gradient systems used for charge variant analysis.

High resolution charge variants analysis of recombinant human IgG1K NIST mAb

Instrument Type: HPLC-CAD

The Thermo Scientific Vanquish Flex UHPLC system with UV detection is applied for the charge variants analysis of NISTmAb Humanized IgG1K monoclonal antibody using strong cation exchange-based chromatographic separation on a MAbPac SCX-10 column. The use of Thermo Scientific CX-1 pH gradient buffers enabled high resolution separation of reference material monoclonal antibody charge variants using a 30 minute gradient.