The Plasma Membrane may Serve as a Drug Depot to Drive the Extreme Potency of Fentanyl but Likely not Isotonitazene. 

The Plasma Membrane may Serve as a Drug Depot to Drive the Extreme Potency of Fentanyl but Likely not Isotonitazene. 

Clayton J, Farmer GJ, Glenn J, Mistry SN, Lane JR, Shi L, Stavitskaya L, Canals M, Shen J. 

bioRxiv [Preprint]. 2025 Sep 15:2025.07.22.666146. doi: 10.1101/2025.07.22.666146. PMID: 40777490; PMCID: PMC12330492.

https://pmc.ncbi.nlm.nih.gov/articles/PMC12330492/