文献：AIE-Featured Redox-Sensitive Micelles for Bioimaging and Efficient Anticancer Drug Delivery

作者：by Wei Zhao 1,†,Zixue Li 1,†,Na Liang 2,*,Jiyang Liu 1,Pengfei Yan 1 andShaoping Sun

 文献链接：https://www.mdpi.com/1422-0067/23/18/10801

介绍：

The conjugate mPEG-S-S-COOH was prepared by linking DTDPA with mPEG [39]. At first, DTDPA was synthesized as per a previous report [40]. Then DTDPA (96 mg), mPEG (500 mg), triethylamine (TEA, 70 μL), and 4-dimethylaminopyridine (DMAP, 61 mg) were added to N,N-dimethylformamide (DMF, 10 mL). The mixture was stirred at 35 °C. Twenty-four hours later, iced ethyl ether was added to precipitate the crude product. After solvent removal and further vacuum-drying, mPEG-S-S-COOH was isolated.

mPEG-S-S-COOH的合成

通过将DTDPA与mPEG连接制备共轭mPEG-S-S-COOH[39]。起初，DTDPA是根据之前的报告合成的。

然后将DTDPA（96 mg）、mPEG（500 mg）、三乙胺（TEA，70μL）和4-二甲基氨基吡啶（DMAP，61 mg）加入N，N-二甲基甲酰胺（DMF，10 mL）中。

混合物在35°C下搅拌。24小时后，加入冰乙醚以沉淀粗产物。在去除溶剂并进一步真空干燥后，分离出mPEG-S-S-COOH。

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