The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 21, 2025
Filed:
Feb. 27, 2022
Jiangsu University, Jiangsu, CN;
Xuetao Hu, Jiangsu, CN;
Xiaobo Zou, Jiangsu, CN;
Pei Jiang, Jiangsu, CN;
Jiyong Shi, Jiangsu, CN;
Xinai Zhang, Jiangsu, CN;
Xiaowei Huang, Jiangsu, CN;
Zhihua Li, Jiangsu, CN;
Yahui Li, Jiangsu, CN;
Wenting Li, Jiangsu, CN;
Junjun Zhang, Jiangsu, CN;
Jiangsu University, Jiangsu, CN;
Abstract
The present invention belongs to the field of organophosphorus pesticide (OP) detection, and relates to a method for detecting an OP by a microfluidic chip based on a fluorescent sensing film. A porous fluorescent sensing film and the microfluidic chip are first constructed. The fluorescent sensing film is fabricated through layer-by-layer self-assembly of a platinum nanoparticle@oxalate-metal-organic framework (MOF) composite and a porous two-dimensional (2D) nanosheet, and has the functions of specifically detecting OPs and blocking macromolecular interferents. The microfluidic chip includes a sample channel, injection channels, reaction tanks, microfluidic channels, a detection tank, and an optical fiber channel, such that sample pretreatment and detection processes are integrated in the chip. An OP detection system is established by combining a portable constant-pressure syringe pump, a laser, a spectrometer, a signal transmitter, and a signal indicator, such that test devices are miniaturized and integrated and the OP detection is standardized.