Results 21 to 30 of about 206,531 (296)

Chemical Sensor Nanotechnology in Pharmaceutical Drug Research

open access: yesNanomaterials, 2022
The increase in demand for pharmaceutical treatments due to pandemic-related illnesses has created a need for improved quality control in drug manufacturing.
Lebogang Thobakgale   +2 more
doaj   +1 more source

Sensitive elements based on bacteriorhodopsin for fiber-optics sensors of chemical components [PDF]

open access: yes, 2005
The sensitive thin film elements based on bacteriorhodopsin in polymeric matrixes for the multichannel fiber-optical sensor system of measurement of chemical composition of gas mixtures are offered. It is shown, that modification of films compositions
Trikur, I. I.   +7 more
core   +1 more source

Advances in Optical Sensors for Persistent Organic Pollutant Environmental Monitoring

open access: yesSensors, 2022
Optical chemical sensors are widely applied in many fields of modern analytical practice, due to their simplicity in preparation and signal acquisition, low costs, and fast response time. Moreover, the construction of most modern optical sensors requires
Fabrizio Caroleo   +12 more
doaj   +1 more source

Wearable electrochemical sensors for monitoring performance athletes [PDF]

open access: yes, 2011
Nowadays, wearable sensors such as heart rate monitors and pedometers are in common use. The use of wearable systems such as these for personalized exercise regimes for health and rehabilitation is particularly interesting.
Dermot Diamond   +17 more
core   +1 more source

Performance of miniaturised thick-film solid state pH sensors [PDF]

open access: yes, 2012
The performance of novel solid-state Thick-Film pH sensor for water quality sampling suitable for deployment in remote catchment areas is described. These miniaturised screen printed planar pH sensors are an alternative to glass pH electrodes, which have
Atkinson, John   +10 more
core   +1 more source

Triboelectric Nanogenerators in Sustainable Chemical Sensors

open access: yes, 2022
The rapid development of sensing technology has created an urgent need for chemical sensor systems that can be rationally integrated into efficient, sustainable, and wearable electronic systems.
Xia Cao, Ning Wang, Qiliang Zhu
core   +1 more source

Optical fiber sensing based on reflection laser spectroscopy [PDF]

open access: yes, 2010
An overview on high-resolution and fast interrogation of optical-fiber sensors relying on laser reflection spectroscopy is given. Fiber Bragg-gratings (FBGs) and FBG resonators built in fibers of different types are used for strain, temperature and ...
De Natale, Paolo   +34 more
core   +1 more source

L-Tryptophan Adsorbed on Au and Ag Nanostructured Substrates: A SERS Study

open access: yesApplied Sciences
The objective of this study was to determine the most stable conformation of L-tryptophan (L-Tryp) on gold and silver nanoparticles. Additionally, this work investigated how these parameters were influenced by analyte concentration, nanoparticle size ...
Tamara Félix-Massa   +11 more
doaj   +1 more source

Chemical Vapour Deposition of MWCNT on Silica Coated Fe3O4 and Use of Response Surface Methodology for Optimizing the Extraction of Organophosphorus Pesticides from Water

open access: yesInternational Journal of Analytical Chemistry, 2019
Multiwalled carbon nanotube (MWCNT) was fixed onto the surface of a magnetic silica (Fe3O4@SiO2) substrate via chemical vapour deposition (CVD). Acetylene gas was used as the carbon source and cobalt oxide as the catalyst.
Veronica W. O. Wanjeri   +5 more
doaj   +1 more source

Increasing pattern recognition accuracy for chemical sensing by evolutionary based drift compensation [PDF]

open access: yes, 2011
Artificial olfaction systems, which mimic human olfaction by using arrays of gas chemical sensors combined with pattern recognition methods, represent a potentially low-cost tool in many areas of industry such as perfumery, food and drink production ...
Squillero, Giovanni   +14 more
core   +1 more source

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