胆固醇油烯基碳酸酯（COC）是胆固醇和油醇与碳酸的碳酸酯，其用作液晶（LC）分子。它是具有螺旋结构的晶体材料 可以将 COC 掺入具有较低的血栓形成性和改善的血液相容性的聚乙二醇（PEG）-聚氨酯（PU）基质中，其可用作生物医学应用中的生物材料。它也可以与硒化镉（CdSe）量子点（QD）自组装，用于制造新型多功能可切换设备。 Cholesteryl oleyl carbonate(COC) is a carbonate ester of cholesterol and oleyl alcohol with carbonic acid that is used as a liquid crystal(LC) molecule. It has is a crystalline material with a helical structure A esterified cholesterol derivative with liquid crystal applications. COC can be incorporated in the polyethylene glycol(PEG)-polyurethane(PU) matrix that exhibits lower thrombogenicity and an improved haemocompatibility which can used as a biomaterial in biomedical applications. It may also be self-assembled with cadmium selenide(CdSe) quantum dots(QDs) for the fabrication of novel multifunctional switchable devices