Peptide drugs consist of specific amino acid sequences and can exert their effects through receptor agonism or antagonism, regulation of enzymes and ion channels, interference with protein-protein interactions, and targeted delivery. Their molecular size lies between that of conventional ...
Transferrin (TRF) is a key iron-transport β-globulin in body fluids. It binds ferric iron (Fe³⁺) with high affinity and enables cellular uptake and delivery through receptor-mediated pathways.
危险品化学品经营许可证（带存储）