What is the best conjugation protocol for protein and COOH-PEG-SH modified nano gold?

Hi The protein that I try to conjugate with AuNPs has no cysteine, so I modified my AuNPs with COOH-PEG-SH groups. But the conjugation doesn`t proceed yet. I tried all recommended procedure but I...

03 January 2022 5,125 4 View