For suspected macro-B12, precipitation with PEG is the test most often reached for, though it is nonspecific and can remove B12 that is fully available to cells, so direct measurement of the binding proteins, haptocorrin and transcobalamin, may be more informative when it is available
Current research focuses on several key strategies, from enhancing amylin stability by attaching polyethylene glycol or carbohydrate molecules to amylin, to developing oral amylin formulations to improve patients convenience, as well as developing various combination therapies to enhance weight loss and glucose regulation by targeting multiple receptors in metabolic pathways
Take 0.5 mmol of amino resin (substitution degree 0.42 mmol/g), swell with DMF solution for 60 minutes, use 20% Pip/DMF solution to protect for 30 minutes, wash and filter to obtain the resin to be reacted
A 5-residue peptide is substantially cheaper to synthesize cleanly than a 40-residue one
What remains intriguing is this: after so many hard lessons learned from building around GLP-1 (the peptide of the decade) many founders still don't recognize that healthcare demands certain non-negotiable considerations: technology, regulation, and clinical expertise
We supply BPC-157 freeze-dried, with the choice between a spray bottle or a glass ampoule