“…SiW 9 V 3 , PW 9 , and EuPW 11 , were synthesized according to reported procedures. [29][30][31] Snake venom peptide (labelled as Pep1), tripeptide (labelled as Pep2), thymosin (labelled as Pep3) and pentapeptide (labelled as Pep4) were commercial compounds, which were purchased from Chengdu YoungShe Chemical Co. Ltd. The corresponding purity of the peptides was supported by electrospray ionization mass spectrometry (ESI-MS, Fig.…”