Results 11 to 20 of about 622,365 (297)

Stimuli-Responsive Materials and Biomimetic Fluidics: Fundamental Building Blocks of Chemical Sensing Platforms with Futuristic Capabilities

Proceedings, 2017
Since the initial breakthroughs in the 1960s and 1970s that led to the development of the glucose biosensor, the oxygen electrode, ion-selective electrodes, and electrochemical/optochemical diagnostic devices, the vision of very reliable, affordable ...
Larisa Florea, Aishling Dunne, Danielle Bruen, Colm Delaney, Peter McCluskey, Dermot Diamond   +5 more
doaj   +1 more source

TiO2 Nanoparticles Decorated Graphene Nanoribbons for Voltammetric Determination of an Anti-HIV Drug Nevirapine

Journal of Chemistry, 2020
In the present study, electrochemical behavior of nevirapine on a glassy carbon electrode (GCE) modified with TiO2 nanoparticles decorated graphene nanoribbons was investigated. Characterization of different components used for modifications was achieved
Daniel Apath, Mambo Moyo, Munyaradzi Shumba   +2 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 ...
Abe, Allain, Bae, Beirne, Bharathan, Byrne, Carter, Crowley, Crowley, Crowley, Dermot Diamond, Diamond, Diamond, Gordon G. Wallace, Grady, Hasenbank, Haverinen, Hayes, Hebner, Janata, Janzen, Kim, Lau, Leopold, Li, Mabrook, Magdassi, Martina O’Toole, Nivens, Nivens, O’Toole, O’Toole, Pacquit, Pacquit, Rakow, Rakow, Reis, Roderick Shepherd, Rogers, Shepherd, Shepherd, Shepherd, Spadavecchia, Stewart, Weigl   +44 more
core   +1 more source

Thioglycolic acid-capped gold nanoparticle/cytochrome P450-2E1 electrochemical biosensor for isoniazid

Sensing and Bio-Sensing Research, 2023
Tuberculosis (TB) is one of the deadliest diseases in Africa and it is classified as a serious global health problem. A new threat associated with the disease is the emergence of multidrug-resistant TB (MDR-TB), which results from improper dose or non ...
Ziyanda Zamaswazi Tshobeni, Jaymi Leigh January, Nokwanda Precious Pearl Ngema, Abongile Nwabisa Jijana, Emmanuel Iheanyichukwu Iwuoha, Takalani Mulaudzi, Samantha Fiona Douman, Rachel Fanelwa Ajayi   +7 more
doaj   +1 more source

A capacitive humidity sensor using cross-linked cellulose acetate butyrate [PDF]

, 2005
This paper reports on the fabrication of a new capacitive humidity sensor having good characteristics and being robust enough to be considered as a component in industrial processes.This sensor is manufactured using a mixture of three cellulose acetate ...
Bernès, Alain, Ducéré, Vincent, Labanne, Colette   +2 more
core   +3 more sources

A microsensor array for biochemical sensing [PDF]

, 1997
A microsensor array to measure chemical properties of biological liquids is presented. A hybrid integration technique is used to mount four sensor chips on a micro flow channel: a pressure, temperature, pH, combined pO2 and pCO2 sensor chip. This results
Arquint, Philippe, Baert, Kris, Born, Reinhard, Debruyker, Dirk, Schoot, Bart van der, Schumann, Klaus, Spiering, Vincent, Van Steenkiste, Filip   +7 more
core   +3 more sources

Fiber optic long period grating sensors with a nanoassembled mesoporous film of SiO2 nanoparticles [PDF]

, 2010
A novel approach to chemical application of long period grating (LPG) optical fibers was demonstrated, which were modified with a film nanoassembled by the alternate deposition of SiO2 nanoparticles (SiO2 NPs) and poly(diallyldimethyl ammonium ...
Korposh, Sergiy, James, Stephen W., Lee, Seung-Woo, Topliss, Stephen M., Cheung, Sammy C., Batty, William J., Tatam, Ralph P.   +6 more
core   +1 more source

Automatic reaction to a chemical event detected by a low-cost wireless chemical sensing network [PDF]

, 2009
A test-scale wireless chemical sensor network (WCSN) has been deployed within a controlled Environmental Chamber (EC). The combined signals from the WCSN were used to initiate a controllable response to the detected chemical event.
Beirne, Stephen, Corcoran, Brian, Diamond, Dermot, Lau, King-Tong   +3 more
core   +2 more sources

Poly(Ionic Liquid) Semi-Interpenetrating Network Multi-Responsive Hydrogels

Sensors, 2016
Herein we describe poly(ionic liquid) hydrogel actuators that are capable of responding to multiple stimuli, namely temperature, ionic strength and white light irradiation.
Alexandru Tudor, Larisa Florea, Simon Gallagher, John Burns, Dermot Diamond   +4 more
doaj   +1 more source

Ionic contrast across a lipid membrane for Debye length extension: towards an ultimate bioelectronic transducer

Nature Communications, 2021
The design of bioelectronic devices that enables accurate detection of biomolecules in ionic solutions at physiologically-relevant concentrations remains a challenge.
Donggeun Lee, Woo Hyuk Jung, Suho Lee, Eui-Sang Yu, Taikjin Lee, Jae Hun Kim, Hyun Seok Song, Kwan Hyi Lee, Seok Lee, Sang-Kook Han, Myung Chul Choi, Dong June Ahn, Yong-Sang Ryu, Chulki Kim   +13 more
doaj   +1 more source