Zobrazeno 1 - 10
of 66
pro vyhledávání: '"C. Honeychurch"'
Autor:
Kevin C. Honeychurch
Publikováno v:
International Journal of Analytical Chemistry, Vol 2024 (2024)
A simple extraction-free, on-column trace enrichment liquid chromatographic method for the determination of trace levels of bisphenol A (BPA) in bottled water samples has been developed. It was found possible to determine ng/L (ppt) levels of BPA by
Externí odkaz:
https://doaj.org/article/86399cb849374feb8e2a9e1af97c31ac
Publikováno v:
Sci, Vol 6, Iss 1, p 15 (2024)
The electrochemical oxidation of levamisole, a glassy carbon electrode, was investigated over the pH range 2.0–10.0. Cyclic voltammetric investigations showed a single oxidation process was recorded, with a peak potential (Ep) shown to be pH-depend
Externí odkaz:
https://doaj.org/article/61a53971b4554adfa45f0a7e09134e20
Publikováno v:
Chemosensors, Vol 11, Iss 10, p 527 (2023)
The investigation of novel sample matrices in the forensic sciences offers several possible advantages, such as allowing for results to be obtained in cases where common sample types are absent. This review focuses on the application of gas chromatog
Externí odkaz:
https://doaj.org/article/6f7802b7190b4d87b28e7ea91faed95d
Publikováno v:
Biosensors, Vol 13, Iss 7, p 756 (2023)
In the original publication [...]
Externí odkaz:
https://doaj.org/article/431443684a79432e813b99604950ec49
Publikováno v:
Chemosensors, Vol 11, Iss 6, p 337 (2023)
This study explores the potential use of graphene-based electrodes in the electrochemical determination of estradiol using amperometric techniques as a simple, enzyme-free approach. Graphene, a carbon-based nanomaterial, has been extensively investig
Externí odkaz:
https://doaj.org/article/093150c436f545368fb78adf36b6deb7
Publikováno v:
Biosensors, Vol 13, Iss 4, p 491 (2023)
In this study, a screen-printed electrode (SPE) modified with gold-nanoparticle-decorated reduced graphene oxide–carbon nanotubes (rGO-AuNPs/CNT/SPE) was used for the determination of estradiol (E2). The AuNPs were produced through an eco-friendly
Externí odkaz:
https://doaj.org/article/96b6b0e390aa429fa9f8ccf0e8159c60
Autor:
Daniel S. Shaw, Kevin C. Honeychurch
Publikováno v:
Biosensors, Vol 12, Iss 9, p 675 (2022)
Plant science is a major research topic addressing some of the most important global challenges we face today, including energy and food security. Plant science has a role in the production of staple foods and materials, as well as roles in genetics
Externí odkaz:
https://doaj.org/article/719192fcbaa3485892d027e15db1a846
Autor:
Kevin C. Honeychurch
Publikováno v:
Sensors, Vol 22, Iss 12, p 4631 (2022)
The voltammetric behaviour of Rhodamine B was studied at a screen-printed carbon electrode (SPCE), by cyclic and differential pulse voltammetry. Cyclic voltammograms exhibited two reduction peaks (designated R1 and R2) generated from the reduction of
Externí odkaz:
https://doaj.org/article/e44585e4d9a84b2fb1751a3a2df9dc00
Autor:
Kevin C. Honeychurch, Martina Piano
Publikováno v:
Biosensors, Vol 12, Iss 6, p 366 (2022)
The aim of this Special Issue of the journal Biosensors, “Sensors for Environmental Monitoring and Food Safety”, was to report on the developments and advances in sensors and biosensors to meet the needs of environmental and food analysis [...]
Externí odkaz:
https://doaj.org/article/22db62a490384249a6d62825b0c8c22d
Publikováno v:
International Journal of Analytical Chemistry, Vol 2020 (2020)
An extraction-free method requiring microliter (μL) volumes has been developed for the determination of caffeine in beverages. Using a pyrolysis-gas chromatography mass spectrometry system, the conditions required for the direct thermal desorption-g
Externí odkaz:
https://doaj.org/article/eba3f24c9bd448f9a1fcb648e570a63c