Blood-brain transfer and antinociception of linear and cyclic N-methyl-guanidine and thiourea-enkephalins
Keywords: Blood-brain barrier (BBB) transport (influx/efflux); Antinociceptive activity; Linear/cyclic enkephalin analogs; In vivo mouse models; AUC; area under the curve; Alloc; allyloxycarbonyl; BBB; blood-brain barrier; Boc; tertButyloxycarbonyl; BSA; bovine