·实验教学·姜黄素纳米胶囊亲水改性及体外评价综合实验设计刘焕迪1,杜洁1*,张红蕾1,贾新超2,张路路3,李玮1(1.河北大学化学与材料科学学院,保定071002;2.晨光生物科技集团股份有限公司,邯郸056000;3.河北牧群生物科技有限公司,保定071002)摘要:本实验合成并纯化得到两亲性聚羟基脂肪酸酯颗粒表面结合蛋白(PhaP),将其修饰在前期制备的姜黄素纳米胶囊(Cur@PHA)表面,通过表面改性有效提高了纳米胶囊的分散性能;然后对表面改性姜黄素纳米胶囊(Cur-PhaP@PHA)的形貌、稳定性、药物释放性能及体外细胞毒性进行了表征和分析。结果表明:Cur-PhaP@PHA表面形态和球形度好,光稳定性能优,具有良好的药物缓释、控释作用,表现出更优的药物吸收和生物利用度。该综合实验设计由产业需求出发,帮助学生从产业应用、技术创新的角度分析解决问题,有利于提高学生综合创新能力。关键词:姜黄素;聚羟基脂肪酸酯;两亲性纳米胶囊;释药性能;综合性实验中图分类号:R945文献标志码:ADOI:10.12179/1672-4550.20230030ComprehensiveExperimentDesignonHydrophilicModificationandEvaluationinVitroofCurcuminNano-capsulesLIUHuandi1,DUJie1*,ZHANGHonglei1,JIAXinchao2,ZHANGLulu3,LIWei1(1.CollegeofChemistryandMaterialsScience,HebeiUniversity,Baoding071002,China;2.ChenguangBiotechGroupLimitedCo.,Ltd.,Handan056000,China;3.MuqunBiotechCo.,Ltd.,Baoding071002,China)Abstract:Inthisexperiment,amphiphilicepolyhydroxyalkanoate(PHA)particlesurfacebindingprotein(PhaP)wassynthesizedandpurified.PhaPwaseffectivelymodifiedonthesurfaceofcurcuminnanosphere(Cur@PHA),andthedispersionperformanceofnanospherewaseffectivelyimprovedbysurfacemodification.Themorphology,stability,drugreleaseandinvitrocytotoxicityofthedrugdeliverysystemofCur-PhaP@PHAwerecharacterizedandanalyzed.TheresultsshowedthatCur-PhaP@PHAhadgoodsphericity,excellentlightstability,andsustainedandcontrolledrelease.Italsoexhibitedbetterdrugabsorptionandbioavailabilitythanfreecurcumin.Thiscomprehensiveexperimentaldesignisbasedonindustrialdemand,inspiringstudentstoanalyzeandsolveproblemsfromtheperspectiveofindustrialapplicationandtechnologicalinnovation,whichisconducivetoimprovingstudents’comprehensiveinnova...