Protected Amino Acids / Alfa Chemistry
Selection Of Peptide Purity
Selection Of Peptide Purity
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Selection Of Peptide Purity

In order to save your research costs and meet your research requirements, Alfa Chemistry can provide you with peptides of different purities. The following table is the purity recommendations for several peptide application fields.

Recommended PurityApplication Field
Crude product
  • Mutation screening
  • Proteomics
  • Sequence optimization
  • Receptor-ligand interaction
  • Large-scale functional screening
>70%
  • Location of antigenic determinants
  • Preparation of antigens
  • Purification of polyclonal antibodies
  • Antigen affinity analysis
  • Peptide microarray
  • Chromatography
  • Enzyme-linked immunosorbent assay
>85%
  • In vitro identification
  • Cell attachment study
  • Phosphorylation study
  • Qualitative enzyme substrate study
  • In vitro bioanalysis
  • Western blot
  • Epitope screening
  • Semi-quantitative enzyme mechanism study
  • Polyclonal antibody development
  • Cell adhesion study
>95%
  • In vitro identification
  • Antigenic cluster localization
  • Quantitative proteolysis studies
  • Quantitative phosphorylation studies
  • Protease antagonism and competition experiments
  • Quantitative receptor-ligand interaction studies
  • Enzyme-linked immunosorbent assay
  • Radioimmunoassay
  • NMR studies
  • Mass spectrometry analysis
>98%
  • Crystallographic research
  • Clinical research
  • Structure-activity relation (SAR) research
  • GMP-grade peptide drug research
  • Cosmetic peptide research