[HTML][HTML] Green chemistry methods for food analysis: Overview of sample preparation and determination

W Alahmad, SI Kaya, A Cetinkaya… - Advances in Sample …, 2023 - Elsevier
In recent years, food quality and safety have gained increasing attention. However, due to
the complexity of food composition, accurate classical extraction techniques require using …

Capacitively coupled contactless conductivity detection for analytical techniques–Developments from 2018 to 2020

PC Hauser, P Kubáň - Journal of Chromatography A, 2020 - Elsevier
The developments of analytical contactless conductivity measurements based on capacitive
coupling over the two years from mid-2018 to mid-2020 are covered. This mostly concerns …

Disposable Microchamber with a Microfluidic Paper-Based Lid for Generation and Membrane Separation of SO2 Gas Employing an In Situ Electrochemical Gas …

P Prasertying, T Ninlapath, N Jantawong… - Analytical …, 2022 - ACS Publications
This work presents a fully disposable microchamber for gas generation of a sample solution.
The microchamber consists of a cylindrical well-reactor and a paper-based microfluidic lid …

An efficient electrochemical sensor for determination of sulfite in water and soft drinks based on Ce3+-doped CuO nanocomposite

M Malakootian, S Hamzeh… - Journal of Food …, 2022 - Elsevier
This study addressed the preparation, characterization, and assay of a screen-printed
electrode (SPE) modified with the Ce 3+ doped-CuO nanocomposite for the voltammetric …

Analytical methods applied to the assay of sulfur-containing preserving agents

AM Pisoschi, A Pop, I Gajaila, F Iordache, R Dobre… - Microchemical …, 2020 - Elsevier
Sulfite is a largely used preservative, and represents an analyte of interest, whose level
should be carefully monitored, given the implications of its use, on human health. The …

[HTML][HTML] Capillary microfluidic platform for sulfite determination in wines

MJ Arroyo, I de Orbe-Payá, M Ortega-Muñoz… - Sensors and Actuators B …, 2022 - Elsevier
A microfluidic paper-based analytical device integrating a chromoreactand–a formylazo dye–
has been fabricated and used for a colorimetric assay of sulfites. The chromoreactand was …

[HTML][HTML] A simple and green method for determination of ethanol in liquors by the conductivity measurement of the uncatalyzed esterification reaction

T Somboon, R Phatchana, W Tongpoothorn, S Sansuk - LWT, 2022 - Elsevier
A simple and green procedure for quantifying the ethanol concentration based on the
conductometric method and the uncatalyzed esterification reaction was demonstrated. The …

Contactless conductivity sensor as detector for microfluidic paper-based analytical device with application to unique rapid method for quantifying sulfite preservative

N Fukana, T Sonsa-ard, N Chantipmanee… - Sensors and Actuators B …, 2021 - Elsevier
The work presents the latest exploitation of capacitively coupled contactless conductivity
detector (C4D) produced from printed-circuit board as durable detector for in-situ headspace …

[HTML][HTML] Purge and trap in-tube colorimetric detection method for the determination of ethanol in alcoholic and non-alcoholic beverages

W Alahmad, N Pianarnupap… - Advances in Sample …, 2022 - Elsevier
A simple and cost-effective analytical approach based on the combination of purge and trap
technique coupling with smartphone-based image analysis was developed for the sensitive …

Smartphone-based colorimetric method for determining sulfites in wine using a universal clamp sample holder and microfluidic cotton swab-based analytical device

C Khamkhajorn, S Pencharee, J Jakmunee… - Microchemical …, 2022 - Elsevier
A universal clamp sample holder was newly designed and fabricated for use with a
microfluidic cotton swab-based analytical device (µCSAD) in smartphone-based colorimetric …