Results 1 to 10 of about 2,750,300 (344)
Interference Coatings for Infrared Spectroscopy and Colorimetric Sensing [PDF]
Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF), 2018 Constructive interference and strong interference surfaces are created to sense ultrathin probe materials such as monolayer protein molecules using enhanced infrared absorption spectroscopy and colorimetric detection, respectively.
Bakan, Gökhan +4 more
openaire +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
doaj +1 more source
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 +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
Development and deployment of a microfluidic platform for water quality monitoring [PDF]
, 2013 There is an increasing demand for autonomous sensor devices which can provide reliable data on key water quality parameters at a higher temporal and geographical resolution than is achievable using current approaches to sampling and monitoring ...
Cleary, John +2 more
core +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
A single chemosensor for multiple analytes: fluorogenic and ratiometric absorbance detection of Zn²⁺, Mg²⁺ and F⁻, and its cell imaging [PDF]
, 2015 A simple coumarin based sensor 1 has been synthesized from the condensation reaction of 7-hydroxycoumarin and ethylenediamine via the intermediate 7-hydroxy-8-aldehyde-coumarin.
Gang, Wei +6 more
core +2 more sources
Colorimetric Protein Sensing Using Catalytically Amplified Sensor Arrays [PDF]
Small, 2012 Catalytically active iron oxide nanoparticles are used as recognition elements and signal amplifiers for the array-based colorimetric sensing of proteins. Interactions between cationic monolayers on the Fe(3) O(4) NPs and analyte proteins differentially modulates the peroxidase-like activity of Fe(3) O(4) NPs, affording catalytically amplified ...
Xiaoning, Li +5 more
openaire +2 more sources
Nanomaterials for Healthcare Biosensing Applications [PDF]
, 2019 In recent years, an increasing number of nanomaterials have been explored for their applications in biomedical diagnostics, making their applications in healthcare biosensing a rapidly evolving field.
Altintas, Zeynep, Pirzada, Muqsit
core +1 more source
ACS Sensors, 2022 The present work reports on the assessment of widely available waterproof cellulose-based substrates for the development of sensitive in-drop plasmonic sensing approaches.
Nerea Villarino +3 more
semanticscholar +1 more source