Gold Nanoparticle-Based Colorimetric Strategies for Chemical and Biological Sensing Applications
Nanomaterials, 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
Highly sensitive label-free colorimetric sensing of nitrite based on etching of gold nanorods [PDF]
, 2012 A simple colorimetric method with high sensitivity and selectivity was developed for sensing of nitrite as low as 4.0 mu M by naked eyes, which is based on etching of gold nanorods accompanied by shape changes in aspect ratios (length/width) and a ...
Pan, Dawei +9 more
core +1 more source
A new LED-LED portable CO2 gas sensor based on an interchangeable membrane system for industrial applications [PDF]
, 2011 CO2 monitoring is important for many areas of high economic relevance, like environmental monitoring, control of biotechnological processes in bio-pharmaceutical industries, and the food industry, particularly controlled atmosphere storage rooms and ...
Vargas-Sansalvador, Isabel María Pérez de +15 more
core +1 more source
Photonic Crystal Structures with Tunable Structure Color as Colorimetric Sensors
Sensors, 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
Gold and Silver Nanoparticle-Based Colorimetric Sensors: New Trends and Applications
Chemosensors, 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
Sensors, 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
Absorbance based light emitting diode optical sensors and sensing devices [PDF]
, 2008 The ever increasing demand for in situ monitoring of health, environment and security has created a need for reliable, miniaturised sensing devices. To achieve this, appropriate analytical devices are required that possess operating characteristics of ...
O'Toole, Martina +5 more
core +1 more source
Development of biodegradable hybrid polymer film for detection of formaldehyde in seafood products
Sensing 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
Colorimetric plasmon resonance microfluidics on nanohole array sensors
Sensing and Bio-Sensing Research, 2015 We present the label-free colorimetric visualization in microfluidics using plasmon resonance on a large-area and over a wide field-of-view (>100 mm2) nanohole array device called nanoLycurgus Cup Array (nanoLCA).
Austin Hsiao +5 more
doaj +1 more source
Foods, 2022 A smartphone colorimetric sensor based on the Pt@Au nanozyme was successfully developed for the visual and quantitative detection of omethoate in fruit and vegetables.
Biao Zhang +9 more
doaj +1 more source