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Description
A trace of DMSO: a small percentage can help genuinely stubborn hydrophobic peptides dissolve, but use the minimum that works, since DMSO can interfere with some downstream assays

Brain Delivery of Vasoactive Intestinal Peptide (VIP) Following Nasal Administration to Rats

95% CI, 3.62-4.46)

Changes in rat nasal mucosa at 64 weeks were less severe than at 13 weeks
