Preparation of Photo-responsive DNA Supramolecular Hydrogels and Their Application as UV Radiometers

被引：5

作者：

Ding, Yuqiao ^{[1
]}

Li, Yujie ^{[2
]}

Yang, Bo ^{[2
]}

Pan, Yufan ^{[2
]}

Cheng, Jiafeng ^{[1
]}

Meng, Siwen ^{[3
]}

Liu, Dongsheng ^{[2
]}

Xu, Lijin ^{[1
]}

Dong, Yuanchen ^{[3
,4
]}

机构：

[1] Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China

[2] Tsinghua Univ, Engn Res Ctr Adv Rare Earth Mat, Dept Chem, Minist Educ, Beijing 100084, Peoples R China

[3] Chinese Acad Sci, Inst Chem, CAS Key Lab Colloid Interface & Chem Thermodynam, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China

[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2023年 / 39卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Photo-responsive DNA hydrogel; Azobenzene; Gel-sol transition; UV detection; ULTRAVIOLET PHOTODETECTORS; PHOTOREGULATION;

D O I：

10.1007/s40242-023-2329-5

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Ultraviolet light(UV) is an essential component of ambient light, but high dose UV would damage genome DNA. While semiconductors and soft materials have been employed to detect the UV, the complex process and the instrumental requirement have limited the application in daily life. In this study, taking advantage of sequence designability, a series of hydrogels with different gel-sol transition rates was constructed under the same UV intensity by introducing competing hybridization to tune the stability of the molecular network. Through estimating the transition time between each system under UV light irradiation, the intensity of UV could be roughly estimated, which provided a convenient method for the visual detection of UV.

引用

页码：115 / 120

页数：6

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