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Molecular imprinting-based indirect fluorescence detection strategy implemented on paper chip for non-fluorescent microcystin

Environmental Studies and Forestry

Molecular imprinting-based indirect fluorescence detection strategy implemented on paper chip for non-fluorescent microcystin

B. Li, J. Qi, et al.

Discover a groundbreaking advancement in environmental monitoring! This study introduces a highly sensitive indirect fluorescent sensing mechanism for detecting non-fluorescent microcystin (MC-RR) using innovative molecular imprinting technology. Conducted by a team of experts including Bowei Li and Ji Qi, this method delivers quick, pretreatment-free analysis in real water samples.

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Playback language: English
Abstract
This paper presents a sensitive indirect fluorescent sensing mechanism (IFSM) for detecting non-fluorescent microcystin (MC-RR), using molecular imprinting technology and charge transfer effects. A molecular imprinted thin film is immobilized on zinc ferrite nanoparticles, utilizing arginine as a dummy template. Implemented on a paper-based microfluidic chip, this platform enables quantitative MC-RR assay at trace levels (LOD 0.43 µg/L, 20 min analysis time) in real water samples without pretreatment. The IFSM is adaptable to various non-fluorescent species.
Publisher
Nature Communications
Published On
Oct 17, 2023
Authors
Bowei Li, Ji Qi, Feng Liu, Rongfang Zhao, Maryam Arabi, Abbas Ostovan, Jinming Song, Xiaoyan Wang, Zhiyang Zhang, Lingxin Chen
Tags
fluorescent sensing
molecular imprinting
microcystin detection
paper-based microfluidic chip
environmental monitoring
zinc ferrite nanoparticles
trace levels

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