Issue 18, 2023

An eco-friendly fluorometric assay for high-sensitive meloxicam quantitation in biological matrices

Abstract

Meloxicam (Mel), as a powerful and effective anti-inflammatory drug, is commonly employed for the treatment of various inflammatory diseases; however, the use of Mel at high doses or for extended periods could cause severe side effects in human visceral organs. Therefore, a simple, rapid, and reliable method is urgently needed to monitor Mel in biological samples. Herein, novel water-soluble luminescent nano-carbon dots (nano-Cdots) with outstanding physicochemical properties were prepared by a one-pot high-temperature hydrothermal process of ellagic acid and guanidine. The nano-Cdots were further used as an optical probe for the sensitive detection of Mel in serum samples through the cooperative mechanisms of the inner filter effect and photoelectron transfer. By employing this sensor, an excellent linear correlation was achieved between the relative luminescent intensity [(PL0 − PL)/PL0] and the concentration of Mel in the range of 0.1 to 200 μM, with a limit of detection of 34.68 nM (3σ/k). This sensor was effectively employed for the analysis of Mel in real serum samples, implying its potential development prospects for the advancement of drug analysis with carbon-based probes.

Graphical abstract: An eco-friendly fluorometric assay for high-sensitive meloxicam quantitation in biological matrices

Article information

Article type
Paper
Submitted
16 יול 2023
Accepted
02 אוג 2023
First published
03 אוג 2023

Analyst, 2023,148, 4339-4345

An eco-friendly fluorometric assay for high-sensitive meloxicam quantitation in biological matrices

Z. Wang, K. Liu, X. Meng, F. Li, H. Li, H. Gao and W. Wang, Analyst, 2023, 148, 4339 DOI: 10.1039/D3AN01211E

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