What polypeptides purity level Ontores (Zhejiang Che-hung Extension) have? how to choose? Ontores ( Zhejiang Hongtuo ) provides modified peptides with peptide purity levels: crude peptide, desalting peptide, 75% , 80% , >85% , >90% , >95% , >98% and >99% . Generally, depending on the research application, it is recommended to use the following levels: • >70% : peptide microarray, as an antigen for antibody preparation, chromatography, ELISA for antiserum titer • >80% : immunoblotting (non-quantitative), enzyme substrate peptide (non-quantitative) , blocking peptide (non-quantitative), affinity purification, phosphorylation detection, protein electrophoresis, immunocytochemistry • >95% : standard quantitative ELISA and RIA , receptor ligand interaction (quantitative), in vivo , in vitro biological assays, enzyme studies and blocking assays (quantitative), NMR , mass spectrometry • >98% : SAR research , clinical trials, APIs , X-ray crystal studies , other sensitive experiments such as enzymes and substrates, receptor-ligand interactions, blocking and competition experiments Ontores (Zhejiang Che-hung Extension) polypeptides have a free-packing services? A small amount of dispensing can avoid repeated freezing and thawing, reduce the number of opening and closing of the container, reduce the chance of bacterial contamination, and thus improve the stability of the polypeptide . Ontores ( Zhejiang Hongtuo ) provides free repackaging services according to customer requirements. Modified peptide Raw Sunflower Seeds,Plain Sunflower Seeds,Unroasted Sunflower Seeds,Raw Sunflower Wuyuan county dafeng oil food co.,ltd , https://www.sundafengfoods.com