- Primary Structure Analysis
- High-resolution mass spectrometry molecular weight
- MALDI TOF mass spectrometry analysis
- N-terminal sequence analysis
- C-terminal sequence analysis
- N/C terminal sequence analysis
- Analysis of the K deletion ratio at the C-terminus of antibodies
- LC-MS/MS protein full sequence validation
- Peptide coverage / Peptide spectrum analysis
- Protein peptide profile determination
- Amino Acid Composition Analysis
- Extinction coefficient analysis
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- Advanced Structural Analysis
- Charge Heterogeneity Analysis
- Impurity Analysis
- Native Mass Spectrometry
- SDS-PAGE protein purity analysis
- Protein purity analysis (size exclusion/reverse phase chromatography)
- Host Cell Protein Residue (HCP) Analysis Service
- Antibody-Drug Conjugates (ADCs) Analysis
- Protein content analysis
- Product-related impurity analysis
- Analysis of other process-related impurities
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- Special Analysis
- Primary Structure Analysis
What are the possible reasons why mass spectrometry (MALDI) cannot obtain the accurate molecular weight of proteins?
The discrepancy in the mass shown by SDS PAGE may be due to the inaccuracy of SDS PAGE. It could also result from protein degradation caused by extraction methods or the matrix.
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