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Applications in Research As a molecular probe for studying VPAC receptor binding and activation Investigation of neuroendocrine and neuroimmune signalling pathways In vitro studies examining peptide-mediated smooth muscle and neuronal signalling Use as a reference neuropeptide in receptor pharmacology research Handling, Reconstitution & Stability Reconstitute in sterile water or appropriate buffered aqueous solution depending on assay requirements Avoid vigorous agitation during dissolution Aliquot reconstituted solutions to minimise repeated freezethaw cycles Store reconstituted peptide at 20 C or lower for long-term stability Protect from prolonged exposure to light and elevated temperatures Specifications Summary Purity: 99 % (HPLC) Appearance: White to off-white lyophilised powder Peptide Length: 28 amino acids Molecular Weight: 3325.83 g/mol CAS: 40077-57-4 Storage: 20 C, desiccated, protected from light Precautions & Notes Experimental behaviour of VIP is influenced by receptor expression, concentration, and exposure duration Neuropeptide signalling responses may vary across experimental models Buffer composition and pH may affect peptide stability and assay performance Intended strictly for laboratory research use

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PubMed Central, He, Wei, et al

Tirzepatide pharmacokinetics: what your body does with each dose Understanding why dose timing matters requires a basic grasp of how tirzepatide moves through your body