Ligands dissociation induced gold nanoparticles aggregation for colorimetric Al3+ detection

X Luo, X Xie, Y Meng, T Sun, J Ding, W Zhou - Analytica Chimica Acta, 2019 - Elsevier
Aluminum is a very important analyte, and developing biosensors for aluminum is an
important analytical task. In this work, we report a novel mechanism to design colorimetric …

A selective pink-to-purple colorimetric sensor for aluminium via the aggregation of gold nanoparticles

S Megarajan, A Veerappan - Optical Materials, 2020 - Elsevier
Herein, the synthesis and characterization of N-lauroyltryramine capped gold nanoparticles
(NLTA-AuNPs) colorimetric sensor for selective and sensitive determination of Al 3+ ions …

Protein-Directed Au (0)-Rich Gold Nanoclusters as Ratiometric Luminescence Sensors for Auric Ions via Comproportionation-Induced Emission Enhancement

Y Sun, Z Zhou, P Peng, T Shu, L Su… - Analytical …, 2023 - ACS Publications
Gold nanoclusters (Au NCs) are widely used as fluorescent probes in biomedical sensing
and imaging due to their versatile optical properties and low cytotoxicity. Surface …

Eco-friendly and enhanced colorimetric detection of aluminum ions using pectin-rich apple extract-based gold nanoparticles

H Park, W Kim, M Kim, G Lee, W Lee, J Park - Spectrochimica Acta Part A …, 2021 - Elsevier
Aluminum ions are very toxic to human health, especially in relation to neurodegenerative
diseases. However, conventional methods of detecting such toxic ions suffer from the use of …

Specific and sensitive colorimetric detection of Al3+ using 5-mercaptomethyltetrazole capped gold nanoparticles in aqueous solution

D Xue, H Wang, Y Zhang - Talanta, 2014 - Elsevier
Contamination of food and drinking water by health-risk levels of Al 3+ calls for convenient
assays. Here, we report a method to visibly detect Al 3+ at room temperature. Firstly, the …

Label-Free Colorimetric Nanosensor for the Selective On-Site Detection of Aqueous Al3+

P Joshi, R Painuli, D Kumar - ACS Sustainable Chemistry & …, 2017 - ACS Publications
Aluminum is a hazardous element, found abundantly in the environment. Although many
methods have been reported for the efficient detection of aluminum, an easy and accessible …

Mononucleotide‐Modified Metal Nanoparticles: An Efficient Colorimetric Probe for Selective and Sensitive Detection of Aluminum (III) on Living Cellular Surfaces

M Zhang, YQ Liu, BC Ye - Chemistry–A European Journal, 2012 - Wiley Online Library
Aluminium, an abundant element in Earth s crust, is one of the most widely used metals.
Despite its natural abundance, aluminium has no known function in living cells and presents …

Label-free colorimetric sensing of cobalt (II) based on inducing aggregation of thiosulfate stabilized gold nanoparticles in the presence of ethylenediamine

Z Zhang, J Zhang, T Lou, D Pan, L Chen, C Qu, Z Chen - Analyst, 2012 - pubs.rsc.org
As a sensitive and selective analytical technique, gold nanoparticles-based colorimetric
sensing was characterized by its simplicity and cost-effectiveness. Specific methods have …

A molecular assembly of piperidine carboxylic acid dithiocarbamate on gold nanoparticles for the selective and sensitive detection of Al 3+ ion in water samples

VN Mehta, RK Singhal, SK Kailasa - RSC advances, 2015 - pubs.rsc.org
A sensitive and selective colorimetric method has been developed for the detection of Al3+
ions using 4-piperidine carboxylic acid dithiocarbamate-functionalized gold nanoparticles …

Colorimetric dual sensors of metal ions based on 1, 2, 3-triazole-4, 5-dicarboxylic acid-functionalized gold nanoparticles

P Mondal, JL Yarger - The Journal of Physical Chemistry C, 2019 - ACS Publications
A simple, rapid, selective, and cost-effective colorimetric assay for Cr3+ and Eu3+ ion
detection has been developed using functionalized gold nanoparticles. Gold nanoparticles …