Results 281 to 290 of about 2,750,300 (344)
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Analytical Chemistry
Neonicotinoid insecticides have been widely applied in modern agriculture to improve crop productivity, but their residues have adverse impacts on the environment and human health. Hence, to address these issues, a portable self-powered/colorimetric dual-
Chengcheng Gu +5 more
semanticscholar +1 more source
Neonicotinoid insecticides have been widely applied in modern agriculture to improve crop productivity, but their residues have adverse impacts on the environment and human health. Hence, to address these issues, a portable self-powered/colorimetric dual-
Chengcheng Gu +5 more
semanticscholar +1 more source
In Analysis, 2022
Due to their high catalytic activity, stability and low cost, nanozymes with oxidase-like activity have attracted widespread interest in the fields of analytical detection and colorimetric sensing.
Yi Xia +7 more
semanticscholar +1 more source
Due to their high catalytic activity, stability and low cost, nanozymes with oxidase-like activity have attracted widespread interest in the fields of analytical detection and colorimetric sensing.
Yi Xia +7 more
semanticscholar +1 more source
International Journal of Biological Macromolecules
This study aimed to combine various natural pH indicators of anthocyanin from Karanda (CA) with anthocyanin from butterfly pea flower (BA) or curcumin (CC) to improve the sensitivity of CA. CA75/BA25 and CA25/CC75 enhanced the sensitivity of the endpoint
P. Kaewprachu +4 more
semanticscholar +1 more source
This study aimed to combine various natural pH indicators of anthocyanin from Karanda (CA) with anthocyanin from butterfly pea flower (BA) or curcumin (CC) to improve the sensitivity of CA. CA75/BA25 and CA25/CC75 enhanced the sensitivity of the endpoint
P. Kaewprachu +4 more
semanticscholar +1 more source
Advanced Functional Materials
Recoverable and humidity‐tolerant colorimetric sensors are extremely difficult to overcome. In this work, a composite hydrogel sensor based on chelation reaction is proposed for the first time to achieve ultra‐fast recovery and ultra‐low detection limit (
Yajing Chen +4 more
semanticscholar +1 more source
Recoverable and humidity‐tolerant colorimetric sensors are extremely difficult to overcome. In this work, a composite hydrogel sensor based on chelation reaction is proposed for the first time to achieve ultra‐fast recovery and ultra‐low detection limit (
Yajing Chen +4 more
semanticscholar +1 more source
Advanced Functional Materials
Efficient activation of hydrogen peroxide (H2O2) through biomimetic catalysis still faces a major challenge. In this work, inspired by the catalytic pocket of natural peroxidase, Cu single atom (CuSA) and AuCu nanoparticles (AuCuNPs) anchored on nitrogen‐
Xiangkun Jia +8 more
semanticscholar +1 more source
Efficient activation of hydrogen peroxide (H2O2) through biomimetic catalysis still faces a major challenge. In this work, inspired by the catalytic pocket of natural peroxidase, Cu single atom (CuSA) and AuCu nanoparticles (AuCuNPs) anchored on nitrogen‐
Xiangkun Jia +8 more
semanticscholar +1 more source
International Journal of Environmental Analytical Chemistry, 2021
This review summarises the progress that has been made in silver nanoparticles (NPs) based colorimetric quantification of toxic metal ions in the water and environmental samples.
Rajat Singh +8 more
semanticscholar +1 more source
This review summarises the progress that has been made in silver nanoparticles (NPs) based colorimetric quantification of toxic metal ions in the water and environmental samples.
Rajat Singh +8 more
semanticscholar +1 more source
Physical amplification of chemical colorimetric sensing
Advanced Environmental, Chemical, and Biological Sensing Technologies XV, 2019Rapid and sensitive detection of hazardous chemicals is essential for worker safety in industrial environments and for soldier safety in the field. In this work, we propose a physical coloration platform to passively amplify existing colorimetric sensing mechanisms.
Rachel Odessey +6 more
openaire +1 more source
Analytical Chemistry
Nanozymes with peroxidase (POD)-like activity have garnered significant attention due to their exceptional performance in colorimetric assays. However, nanozymes often possess oxidase (OD) and POD-like activity simultaneously, which affects the accuracy ...
Ruimin Li +8 more
semanticscholar +1 more source
Nanozymes with peroxidase (POD)-like activity have garnered significant attention due to their exceptional performance in colorimetric assays. However, nanozymes often possess oxidase (OD) and POD-like activity simultaneously, which affects the accuracy ...
Ruimin Li +8 more
semanticscholar +1 more source
Gold nanoparticle based colorimetric sensing strategy for the determination of reducing sugars.
Food Chemistry, 2021The colorimetric sensors for reducing sugars based on a redox reaction between AuCl4- ions and fructose, glucose, lactose, or mannose are presented. Gold nanoparticles (AuNPs) that formed at room temperature as a product of this reaction were registered ...
Benediktas Brasiūnas +3 more
semanticscholar +1 more source
Frontiers in laccase nanozymes-enabled colorimetric sensing: A review.
Analytica Chimica ActaIn recent years, nanozyme-based analytics have become popular. Among these, laccase nanozyme-based colorimetric sensors have emerged as simple and rapid colorimetric detection methods for various analytes, effectively addressing natural enzymes ...
M. Mekonnen +3 more
semanticscholar +1 more source