Development of sustainable fluorescence approach with red emissive carbon dots derived from Grewia asiatica fruit for the detection of quinalphos

被引：2

作者：

Vadia, Foziya Yusuf ^{[1
]}

Jha, Sanjay ^{[2
]}

Mehta, Vaibhavkumar N. ^{[2
]}

Park, Tae Jung ^{[3
]}

Malek, Naved I. ^{[1
]}

Kailasa, Suresh Kumar ^{[1
]}

机构：

[1] Sardar Vallabhbhai Natl Inst Technol, Dept Chem, Surat 395 007, Gujarat, India

[2] Navsari Agr Univ, ASPEE SHAKILAM Biotechnol Inst, Surat 395007, Gujarat, India

[3] Chung Ang Univ, Res Inst Chem Bio Diagnost Technol, Dept Chem, 84 Heukseok Ro, Seoul 06974, South Korea

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2025年 / 458卷

关键词：

Fluorescence; Carbon dots; Quinalphos; Analytical method; Inner filter effect; Bio imaging; Cytotoxicity; MICROWAVE-ASSISTED SYNTHESIS; GREEN SYNTHESIS; WATER; IMMUNOASSAY; PESTICIDES; PROBE; SOIL;

D O I：

10.1016/j.jphotochem.2024.115948

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A sustainable and eco-friendly approach was developed for the fabrication of red emissive carbon dots via microwave-assisted method using Grewia asiatica fruits as a source. The as-prepared Grewia asiatica-carbon dots (GA-CDs) exhibited red emission at 672 nm upon the excitation at 420 nm with a quantum yield of 21 %. The characteristic emission intensity of GA-CDs (lambda Em = 672 nm) is selectively quenched by quinalphos (QLP) pesticide via inner filter effect. The as-prepared GA-CDs serve as a versatile turn-off fluorescent probe for QLP sensing, displaying wider linear range (0.25-60 mu M) with an impressive detection limit of 0.00159 mu M. The integration of GA-CDs with fluorescence spectrometry offers to establish a rapid, simple and miniaturize analytical strategy for QLP assay in vegetable, water and soil samples. Furthermore, the bioimaging and cytotoxicity characteristics of GA-CDs were evaluated on yeast cells and lung cancer cells, respectively. This method provides a facile and convenient pathway for the on-site detection of QLP in food and agriculture samples.

引用

页数：9