Results 11 to 20 of about 26,686 (294)
Colorimetric sensing: Small 21/2009 [PDF]
Small, 2009 The cover picture illustrates a novel concept for colorimetric protein sensing based on the controllable assembly of polypeptide-functionalized gold nanoparticles.
Daniel Aili +4 more
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Colorimetric Gas Sensing with Enhanced Sensitivity
Procedia Engineering, 2016 Abstract We present a colorimetric gas sensor system using folded sensing elements to obtain miniaturized, highly sensitive gas sensors. Our fabrication method offers the ease of transmission measurements and at the same time a substantial increase in sensitivity. The method is simple and cost-effective compared to waveguide-based solutions.
Schmitt, Katrin +4 more
core +4 more sources
Phenosafranin-Based Colorimetric-Sensing Platform for Nitrite Detection Enabled by Griess Assay
Sensors, 2020 A facile and effective colorimetric-sensing platform based on the diazotization of phenosafranin for the detection of NO 2 − under acidic conditions using the Griess assay is presented. Diazotization of commercial phenosafranin produces
Jingzhou Hou +6 more
doaj +2 more sources
Application of Gold-Nanoparticle Colorimetric Sensing to Rapid Food Safety Screening
Sensors, 2018 Due to their unique optical properties, narrow size distributions, and good biological affinity, gold nanoparticles have been widely applied in sensing analysis, catalytic, environmental monitoring, and disease therapy.
Guangyang Liu +4 more
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Chromogenic Mechanisms of Colorimetric Sensors Based on Gold Nanoparticles
Biosensors, 2023 The colorimetric signal readout method is widely used in visualized analyses for its advantages, including visualization of test results, simple and fast operations, low detection cost and fast response time.
Yanyun Cui, Jun Zhao, Huidan Li
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Plasmonic Sensing of Glucose Based on Gold–Silver Core–Shell Nanoparticles
Chemosensors, 2022 Developing a simple and convenient approach for glucose sensing is crucially important in disease diagnosis and health monitoring. In this work, a glucose sensor based on plasmonic nanostructures was developed using gold–silver core–shell nanoparticles ...
Junjie Wang +6 more
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Scientific Reports, 2022 Colorimetric sensing, which provides effective detection of bio-molecular signals with one’s naked eye, is an exceptionally promising sensing technique in that it enables convenient detection and simplification of entire sensing system.
Hyunwoo Son +4 more
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Ag+ colorimetric sensor based on graphene oxide/nano-platinum composite
Journal of Analytical Science and Technology, 2023 With the development of society, pollution accidents occur more frequently, and the effects of toxic substances containing silver on human health and environment are increasingly extensive.
Yanping Qu +4 more
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Differential sensing of sugars by colorimetric arrays [PDF]
Current Opinion in Chemical Biology, 2010 While the complexes between boronic acids and diols have been studied for decades, researchers continue to design new and interesting methods to use these interactions to produce saccharide sensors that are more sensitive and selective. Herein we discuss how the use of pattern-based colorimetric arrays from a collection of crossreactive sensors have ...
Christopher J, Musto, Kenneth S, Suslick
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Textile-Based Volatile Organic Compound Sensors Using Cellulose Fabrics and Direct Dyes
Journal of Natural Fibers, 2023 In order to fabricate colorimetric textile sensors detecting gas phase of volatile organic compounds (VOCs), 11 kinds of direct dyes were investigated for 13 types of VOCs.
Junheon Lee +3 more
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