Results 1 to 10 of about 24,507 (259)

Colorimetric Sensors for Chemical and Biological Sensing Applications

open access: yesSensors, 2023
Colorimetric sensors have been widely used to detect numerous analytes due to their cost-effectiveness, high sensitivity and specificity, and clear visibility, even with the naked eye.
Yu Wu   +4 more
doaj   +4 more sources

Smartphone-based colorimetric sensor application for measuring biochemical material concentration

open access: yesSensing and Bio-Sensing Research, 2021
In this paper, colorimetric analysis for biochemical samples has been realized, by developing an easy-to-use smartphone colorimetric sensing android application that can measure the molar concentration of the biochemical liquid analyte.
Taif Alawsi   +3 more
doaj   +1 more source

Terminalia chebula: a novel natural product colorimetric sensor for Fe2+ and Fe3+ ions

open access: yesJournal of Analytical Science and Technology, 2022
Natural product like Terminalia chebula as Fe2+ and Fe3+ ions sensor was not reported in the literature till now. Herein, we first reported Terminalia chebula (T.
Subhadeep Sen   +4 more
doaj   +1 more source

Gold Nanoparticle-Based Colorimetric Strategies for Chemical and Biological Sensing Applications

open access: yesNanomaterials, 2019
Gold nanoparticles are popularly used in biological and chemical sensors and their applications owing to their fascinating chemical, optical, and catalytic properties.
Chia-Chen Chang   +5 more
doaj   +1 more source

Photonic Crystal Structures with Tunable Structure Color as Colorimetric Sensors

open access: yesSensors, 2013
Colorimetric sensing, which transduces environmental changes into visible color changes, provides a simple yet powerful detection mechanism that is well-suited to the development of low-cost and low-power sensors.
Ke-Qin Zhang, Hui Wang
doaj   +1 more source

Recent advances in fluorescent and colorimetric sensing for volatile organic amines and biogenic amines in food

open access: yesAdvanced Agrochem, 2023
Volatile organic amines and biogenic amines produced by the amino acid degradation can undeniably affect the food quality and safety, and thus causes serious health problems.
Ziyong Li   +5 more
doaj   +1 more source

Gold and Silver Nanoparticle-Based Colorimetric Sensors: New Trends and Applications

open access: yesChemosensors, 2021
Gold and Silver nanoparticles (AuNPs and AgNPs) are perfect platforms for developing sensing colorimetric devices thanks to their high surface to volume ratio and distinctive optical properties, particularly sensitive to changes in the surrounding ...
Giancarla Alberti   +3 more
doaj   +1 more source

Functionalized Electrospun Nanofibers as Colorimetric Sensory Probe for Mercury Detection: A Review

open access: yesSensors, 2019
Mercury is considered the most hazardous pollutant of aquatic resources; it exerts numerous adverse effects on environmental and human health. To date, significant progress has been made in employing a variety of nanomaterials for the colorimetric ...
Brabu Balusamy   +2 more
doaj   +1 more source

Development of biodegradable hybrid polymer film for detection of formaldehyde in seafood products

open access: yesSensing and Bio-Sensing Research, 2020
Despite the enormous accomplishments of current sensing methods, portable and sensitive sensing materials remains a challenging issue. Herein, a novel of a biodegradable hybrid polymer film was developed for quantitative analysis of formaldehyde seafood,
Kobun Rovina   +4 more
doaj   +1 more source

Application of Gold-Nanoparticle Colorimetric Sensing to Rapid Food Safety Screening

open access: yesSensors, 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
doaj   +1 more source

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