A comprehensive review on carbon dots and graphene quantum dots based fluorescent sensor for biothiols

ZG Khan, PO Patil - Microchemical Journal, 2020 - Elsevier
Fluorescent carbon-based nanomaterials such as carbon dots (CDs) and graphene
quantum dots (GQDs) owing to their high aqueous solubility, stable photoluminescence and …

[HTML][HTML] Analytical methods for determination of glutathione and glutathione disulfide in pharmaceuticals and biological fluids

A Hamad, M Elshahawy, A Negm… - Reviews in Analytical …, 2019 - degruyter.com
Glutathione is a natural tripeptide that plays a major role in different physiological processes
in the human body. Determination of glutathione in different body fluids and tissues is …

Ultra-fast colorimetric detection of glutathione by magnetic Fe NPs with peroxidase-like activity

L Zhang, J Wang, C Zhao, F Zhou, C Yao… - Sensors and Actuators B …, 2022 - Elsevier
The nanozymes-based sensing platforms have been attracted in recent years due to their
outstanding performances in the practical applications. In this work, the magnetic Fe …

Simultaneous determination of glutathione, cysteine, homocysteine, and cysteinylglycine in biological fluids by ion-pairing high-performance liquid chromatography …

W Zhang, P Li, Q Geng, Y Duan, M Guo… - Journal of agricultural …, 2014 - ACS Publications
Biologically active low-molecular-mass thiols, mainly including glutathione (GSH), cysteine
(Cys), homocysteine (Hcy), and cysteinylglycine (Cys-Gly), are important physiological …

Visual detection of arginine, histidine and lysine using quercetin-functionalized gold nanoparticles

KA Rawat, SK Kailasa - Microchimica Acta, 2014 - Springer
We report on the use of quercetin-functionalized gold nanoparticles (QC-AuNPs) as a
colorimetric probe for the amino acids arginine (Arg), histidine (His) and lysine (Lys). The …

Colorimetric detection and separation of chiral tyrosine based on N-acetyl-L-cysteine modified gold nanoparticles

H Su, Q Zheng, H Li - Journal of Materials Chemistry, 2012 - pubs.rsc.org
This paper reports chiral N-acetyl-L-cysteine capped gold nanoparticles for colorimetric
enantioselective detection and enrichment of L-tyrosine. Via centrifugation, L-tyrosine can …

Functionalized gold nanoparticles for sample preparation: a review

S Liu, M Lämmerhofer - Electrophoresis, 2019 - Wiley Online Library
Sample preparation is a crucial step for the reliable and accurate analysis of both small
molecule and biopolymers which often involves processes such as isolation, pre …

Analytical methods for characterizing the nanoparticle–protein corona

AL Capriotti, G Caracciolo, C Cavaliere… - Chromatographia, 2014 - Springer
When nanoparticles (NPs) enter a biological environment, medium components, especially
proteins, compete for binding to the NP's surface, leading to development of a new interface …

Specific detection of cysteine and homocysteine in biological fluids by tuning the pH values of fluorosurfactant-stabilized gold colloidal solution

Q Xiao, F Shang, X Xu, Q Li, C Lu, JM Lin - Biosensors and Bioelectronics, 2011 - Elsevier
This study describes the use of 14nm nonionic fluorosurfactant-capped gold nanoparticles
(FSN-capped AuNPs) for the simultaneous detection of cysteine (Cys) and homocysteine …

L-cystine-linked BODIPY-adsorbed monolayer MoS2 quantum dots for ratiometric fluorescent sensing of biothiols based on the inner filter effect

ASK Kumar, WB Tseng, MJ Wu, YY Huang… - Analytica Chimica …, 2020 - Elsevier
This study fabricated a dual-emission probe consisting of monolayer MoS 2 quantum dots
(M− MoS 2 QDs) and L-cystine-linked boron-dipyrromethene (L-Cys-BODIPY) molecules for …