A fluorimetric test strip with suppressed “Coffee Ring Effect” for selective mercury ion analysis

Author:

Qiao Yuchun12,Fang Yu3,Shang Jizhen1,Zhao Xiaoting1,Li Shuai1,Mao Guojiang4,Wang Hua1ORCID

Affiliation:

1. Huzhou Key Laboratory of Medical and Environmental Applications Technologies, School of Life Sciences, Huzhou University, Zhejiang, 313000, P.R. China

2. Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Bioengineering, University of Science and Technology Beijing, Beijing 100083, P.R. China

3. Department of Chemistry, Capital Normal University, Beijing 100048, P.R. China

4. Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan, 453007, P.R. China

Abstract

To show specific responses to Hg2+ ions, a fluorescent test strip was fabricated using the suppressed “Coffee Ring Effect” of silver nanoclusters coated by gelatin via vacuum-aided fast lyophilization.

Funder

National Natural Science Foundation of China

Henan Normal University

National Key Research and Development Program of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Electrochemistry,Spectroscopy,Environmental Chemistry,Biochemistry,Analytical Chemistry

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