3、生物利用度;StudyonHowtoImprove the Local ALA TransdermalAbsorption andBioavailabilityShewen-li1luhong21FirstAffiliatedHospitalofJinanUniversity,cosmeticlaserGuangzhou5106322EmergencydepartmentoftheFirstAffiliatedHospitalofJinanUniversity,Guangzhou510632,China[Abstract]O
4、bjective:Todicusshowtoimprove the local ALA transdermalabsorption andbioavailability.Methods:Aftertheconstructionofmini-pigsmodel,thelesionswereincubatedbydifferenttemperatures,solvents,pHvaluesandhorny softeners.TheinfluenceonALA transdermalabsorption andbioavaila
5、bilitywithdifferenttemperatures,solvents,pHvaluesandhorny softenerswereobserved.Results:Thephotosensitizer’s fluorescenceintensityof the lesionsinthegroupincubatedby42℃wasstrongerthanthatinthegroupincubatedby37℃(P<0.05).Thephotosensitizer’s fluorescenceintensityof
6、the lesionsinthegroupincubatedbyAzonewasstrongerthanthatinthegroupincubatedbysaline(P<0.05).Thephotosensitizer’s fluorescenceintensityof the lesionsinthegroupincubatedbypH4.0wasstrongerthanthatinthegroupincubatedbypH7.0andpH10.0(P<0.05).Thephotosensitizer’s fluores
7、cenceintensityof the lesionsinthegroupincubatedbyhorny softenerwasstrongerthanthatinthegroupincubatedwithouthorny softener(P<0.05).Conclusion:Thehigherincubationtemperature,lowerpHandtheuseofpenetrationenhancersandhorny softenercouldimprove the local ALA transderma