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supramolecular liquid barrier for sulfur mustard utilizing host-guest complexation of pillar[5]arene with triethylene oxide substituents

引用

Chinese Chemical Letters 2023年第4期34卷 254-257页

作者： Yahan Zhang Junyi Chen Longming Chen Liang Zhao Mengke Ma Xinbei Du Zhao Meng Han Zhang Zhibing Zheng Yongan Wang Chunju Li Qingbin Meng State Key Laboratory of Toxicology and Medical Countermeasures Beijing Institute of Pharmacology and ToxicologyBeijing 100850China Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry Ministry of EducationTianjin Key Laboratory of Structure and Performance for Functional MoleculesCollege of ChemistryTianjin Normal UniversityTianjin 300387China

Sulfur mustard(SM) can be absorbed by skin quickly and cause serious system damage via reacting with nearly all cell constituents. Until now, there is still lack of effective antidotal therapy for SM and skin protection is highly important to defend SM. In this article, supramolecular liquid barrier based on pillar[5]arene with triethylene oxide substituents(EGP5) has been designed to impede the skin permeation of SM and further interaction with the skin tissue. EGP5 could encapsulate SM within its cavity, with a Kavalue of(5.10 ± 0.47) × 10^(2)L/mol. In vitro skin absorption test proved that EGP5 was capable to effectively prevent SM from penetrating through skin. This supramolecular liquid barrier was employed on rat models to systematically evaluate protective effect against SM intoxication. Pretreatment of EGP5could alleviate skin and system damage induced by SM and improve survival rate of poisoned rat models from 10% to 90%. Additionally, EGP5 served as protective materials could be highly reused after recycling several times. Overall, these findings have provided the first insight into the construction of convenient liquid material for SM protection.

关键词： supramolecular barrier Host-guest complexation Liquid pillararene Sulfur mustard Skin protection

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