Results 21 to 30 of about 26,686 (294)

Colorimetric Sensing with Gold Nanoparticles on Electrowetting-Based Digital Microfluidics. [PDF]

Micromachines (Basel), 2021
Digital microfluidic (DMF) has been a unique tool for manipulating micro-droplets with high flexibility and accuracy. To extend the application of DMF for automatic and in-site detection, it is promising to introduce colorimetric sensing based on gold ...
Gu Z, Luo JJ, Ding LW, Yan BY, Zhou JL, Wang JG, Wang HF, Kong C.   +7 more
europepmc   +2 more sources

Colorimetric Sensing of Amoxicillin Facilitated by Molecularly Imprinted Polymers [PDF]

Polymers, 2021
The scope of the presented research orientates itself towards the development of a Molecularly Imprinted Polymer (MIP)-based dye displacement assay for the colorimetric detection of the antibiotic amoxicillin in aqueous medium. With this in mind, the initial development of an MIP capable of such a task sets focus on monolithic bulk polymerization to ...
Joseph W Lowdon, Hanne Diliën, Bart van Grinsven, Kasper Eersels, Thomas J. Cleij   +4 more
openaire   +2 more sources

Dual-signal readout paper-based wearable biosensor with a 3D origami structure for multiplexed analyte detection in sweat

Microsystems & Nanoengineering, 2023
In this research, we design and implement a small, convenient, and noninvasive paper-based microfluidic sweat sensor that can simultaneously detect multiple key biomarkers in human sweat.
Yuemeng Cheng, Shaoqing Feng, Qihong Ning, Tangan Li, Hao Xu, Qingwen Sun, Daxiang Cui, Kan Wang   +7 more
doaj   +1 more source

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, Ayas, Sencer, Özgür, Erol, Çelebi, Kemal, Dana, Aykutlu   +4 more
openaire   +2 more sources

Smartphone-based colorimetric sensor application for measuring biochemical material concentration

Sensing 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, Gabriele Proietti Mattia, Zainab Al-Bawi, Roberto Beraldi   +3 more
doaj   +1 more source

Chemical event tracking using a low-cost wireless chemical sensing network [PDF]

, 2008
A recently developed low-cost light emitting diode (LED) chemical sensing technique is integrated with a Mica2Dot wireless communications platform to form a deployable wireless chemical event indicator network.
Corcoran, Brian, Dermot Diamond, Beirne, Stephen, Lau, King-Tong, Stephen Beirne, King Tong Lau, Diamond, Dermot, Brian Corcoran   +7 more
core   +1 more source

The optimisation of a paired emitter-detector diode optical pH sensing device [PDF]

, 2010
With recent improvements in wireless sensor network hardware there has been a concurrent push to develop sensors that are suitable in terms of price and performance.
Corcoran, Brian, Dermot Diamond, Beirne, Stephen, Lau, King-Tong, Dylan Orpen, Stephen Beirne, King Tong Lau, Orpen, Dylan, Diamond, Dermot, Fay, Cormac, Cormac Fay, Brian Corcoran   +11 more
core   +1 more source

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

Journal 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, Tejinder Singh, Jungkyun Im, Dilip Debnath, Goutam Biswas   +4 more
doaj   +1 more source

Inkjet printed LED based pH chemical sensor for gas sensing [PDF]

, 2009
Predictable behaviour is a critical factor when developing a sensor for potential deployment within a wireless sensor network (WSN). The work presented here details the fabrication and performance of an optical chemical sensor for gaseous acetic acid ...
O'Toole, Martina, Wallace, Gordon, O\u27Toole, Martina, Gordon G. Wallace, Dermot Diamond, Shepherd, Roderick, Roderick Shepherd, Martina O’Toole, Diamond, Dermot   +8 more
core   +1 more source

Wireless aquatic navigator for detection and analysis (WANDA) [PDF]

, 2010
The cost of monitoring and detecting pollutants in natural waters is of major concern. Current and forthcoming bodies of legislation will continue to drive demand for spatial and selective monitoring of our environment, as the focus increasingly moves ...
Gordon Wallace, McGuinness, Kevin, Geoff Spinks, Noel E. O’Connor, Kevin McGuinness, Alici, Gursel, Fay, Cormac, O'Connor, Noel E., Lau, King-Tong, Greg Coleman, Brian Corcoran, Dermot Diamond, Shepherd, Roderick, Beirne, Stephen, Ciarán Ó Conaire, Rod Shepherd, Spinks, Geoff, Scott McGovern, Diamond, Dermot, Gursel Alici, McGovern, Scott, Ó Conaire, Ciarán, Corcoran, Brian, Wallace, Gordon, Stephen Beirne, Coleman, Greg, King-Tong Lau, Cormac Fay   +27 more
core   +1 more source