Colorimetric sensors for rapid detection of various analytes
Sensor technology for the rapid detection of the analytes with high sensitivity and selectivity
has several challenges. Despite the challenges, colorimetric sensors have been widely …
has several challenges. Despite the challenges, colorimetric sensors have been widely …
Gold nanoparticles in chemical and biological sensing
1. INTRODUCTION Detection of chemical and biological agents plays a fundamental role in
biomedical, forensic and environmental sciences 1− 4 as well as in anti bioterrorism …
biomedical, forensic and environmental sciences 1− 4 as well as in anti bioterrorism …
Minute-scale detection of SARS-CoV-2 using a low-cost biosensor composed of pencil graphite electrodes
COVID-19 has led to over 3.47 million deaths worldwide and continues to devastate
primarily middle-and low-income countries. High-frequency testing has been proposed as a …
primarily middle-and low-income countries. High-frequency testing has been proposed as a …
Sensing colorimetric approaches based on gold and silver nanoparticles aggregation: Chemical creativity behind the assay. A review
D Vilela, MC González, A Escarpa - Analytica chimica acta, 2012 - Elsevier
Localized surface plasmon resonance (LSPR) is one of the most remarkable features of gold
nanoparticles (Au NPs) and silver nanoparticles (Ag NPs). Due to these inherent optical …
nanoparticles (Au NPs) and silver nanoparticles (Ag NPs). Due to these inherent optical …
Functionalized gold nanoparticles: synthesis, properties and applications—a review
S Alex, A Tiwari - Journal of nanoscience and nanotechnology, 2015 - ingentaconnect.com
The past few decades have witnessed significant advances in the development of
functionalized gold nanoparticles for applications in various fields such as chemistry …
functionalized gold nanoparticles for applications in various fields such as chemistry …
Low-cost optodiagnostic for minute-time scale detection of SARS-CoV-2
The COVID-19 pandemic has exacerbated our society's tremendous health equity gap.
Disadvantaged populations have been disproportionally affected by COVID-19, lacking …
Disadvantaged populations have been disproportionally affected by COVID-19, lacking …
Goldilocks energy minimum: Peptide-based reversible aggregation and biosensing
Colorimetric biosensors based on gold nanoparticle (AuNP) aggregation are often
challenged by matrix interference in biofluids, poor specificity, and limited utility with clinical …
challenged by matrix interference in biofluids, poor specificity, and limited utility with clinical …
Di-arginine additives for dissociation of gold nanoparticle aggregates: a matrix-insensitive approach with applications in protease detection
We report the reversible aggregation of gold nanoparticles (AuNPs) assemblies via a di-
arginine peptide additive and thiolated PEGs (HS-PEGs). The AuNPs were first aggregated …
arginine peptide additive and thiolated PEGs (HS-PEGs). The AuNPs were first aggregated …
Visual detection of melamine in raw milk by label-free silver nanoparticles
H Ping, M Zhang, H Li, S Li, Q Chen, C Sun, T Zhang - Food control, 2012 - Elsevier
A simple, rapid colorimetric method using label-free Ag NPs (silver nanoparticles) as probe
for detection of melamine in raw milk was developed in this study. The assay relies on the …
for detection of melamine in raw milk was developed in this study. The assay relies on the …
One-step synthesis of silver/dopamine nanoparticles and visual detection of melamine in raw milk
Y Ma, H Niu, X Zhang, Y Cai - Analyst, 2011 - pubs.rsc.org
In this work, we propose a simple, sensitive and reliable assay for melamine in raw milk with
dopamine-stabilized silver nanoparticles (AgNPs) as a colorimetric reader. Dopamine can …
dopamine-stabilized silver nanoparticles (AgNPs) as a colorimetric reader. Dopamine can …