A reversible, colorimetric, pH-responsive indole-based hydrogel and its application in urea detection

Yan Wang; Xuan Luo; Longfei Zhang; Shuai Zhang; Lin Zhang

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A reversible, colorimetric, pH-responsive indole-based hydrogel and its application in urea detection

机译：可逆，比色，pH-响应吲哚基水凝胶及其在尿素检测中的应用

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A new type of pH-responsive indole-based (4-HINF) hydrogel, fabricated by a sol–gel method, was utilized as a platform for colorimetric detection of urea in aqueous solution. The colorimetric sensor was established by virtue of the synergistic effect of cation–π interaction and hydrogen bonding with good regenerative ability. The results exhibited linear response in the range of 0–10 mM with a limit of detection of 10 μM. The prepared 4-HINF hydrogel possessed high selectivity to pH change under complicated environments ensuring further applications in environmental and bio-systems.

机译：通过溶胶 - 凝胶法制造的一种新型的基于pH响应吲哚基（4-HINF）水凝胶，作为水溶液中尿素的比色检测平台。通过具有良好的再生能力的阳离子-π相互作用和氢键的协同作用，建立了比色传感器。结果在0-10mm的范围内表现出线性响应，其检测限为10μm。制备的4-HINF水凝胶具有高选择性，在复杂环境下的pH变化，确保在环境和生物系统中进一步应用。

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《RSC Advances》 |2019年第42期|共6页
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Yan Wang; Xuan Luo; Longfei Zhang; Shuai Zhang; Lin Zhang;
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1. A reversible, colorimetric, pH-responsive indole-based hydrogel and its application in urea detection [J] . RSC Advances . 2019,第42期

机译：可逆，比色，pH-响应吲哚基水凝胶及其在尿素检测中的应用
2. Radiation Synthesis of Polyampholytic and Reversible pH-Responsive Hydrogel and Its Application as Drug Delivery System [J] . Manal F.Abou Taleb Polymer bulletin . 2008,第3期

机译：多聚和可逆pH响应水凝胶的辐射合成及其在药物传递体系中的应用
3. Radiation Synthesis of Polyampholytic and Reversible pH-Responsive Hydrogel and Its Application as Drug Delivery System [J] . Manal F. Abou Taleb Polymer Bulletin . 2008,第3期

机译：多聚和可逆pH响应水凝胶的辐射合成及其在药物传递系统中的应用
4. Self-assembled cationic biodegradable nanoparticles from a new family of pH-responsive amino acid-based poly(ester urea urethane) and their application as a doxorubicin delivery vehicle [C] . Mingyu He, Chih-Chang Chu World biomaterials congress . 2016

机译：来自新的基于pH响应氨基酸的聚（酯脲尿烷）家族的自组装阳离子可生物降解纳米颗粒及其在阿霉素递送载体中的应用
5. I. Synthesis and anion recognition of preorganized colorimetric urea/thiourea compounds and their reference receptors, and II. The selective reactions of chlorosilanes: Applications for dendritic and degradable materials. [D] . Jennings, Abby Rose. 2014

机译：I.预先组织的比色尿素/硫脲化合物及其参考受体的合成和阴离子识别，以及II。氯硅烷的选择性反应：树枝状和可降解材料的应用。
6. A Reversible Colorimetric and Fluorescence Turn-Off Chemosensor for Detection of Cu2+ and Its Application in Living Cell Imaging [O] . Yun Hu, Aiqian Chen, Zhuo Kong, 2019

机译：用于铜离子检测的可逆比色和荧光关闭化学传感器及其在活细胞成像中的应用
7. A reversible, colorimetric, pH-responsive indole-based hydrogel and its application in urea detection [O] . Yan Wang, Xuan Luo, Longfei Zhang, 2019

机译：可逆，比色，pH-响应吲哚基水凝胶及其在尿素检测中的应用

A reversible, colorimetric, pH-responsive indole-based hydrogel and its application in urea detection

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