Progress in the design of portable colorimetric chemical sensing devices

T Kant, K Shrivas, A Tejwani, K Tandey, A Sharma… - Nanoscale, 2023 - pubs.rsc.org
The need for precise determination of heavy metals, anions, biomolecules, pesticides,
drugs, and other substances is vital across clinical, environmental, and food safety domains …

Micro gas chromatography: An overview of critical components and their integration

BP Regmi, M Agah - Analytical chemistry, 2018 - ACS Publications
Among a number of gas analyzers, portable gas chromatography (GC) systems created by
the integration of microfabricated components are promising candidates for rapid and on …

Micromachined thermal gas sensors—A review

ELW Gardner, JW Gardner, F Udrea - Sensors, 2023 - mdpi.com
In recent years, there has been a growing desire to monitor and control harmful substances
arising from industrial processes that impact upon our health and quality of life. This has led …

Preconcentrating sensor systems toward indoor low-concentration VOC detection by goal-oriented, sequential, inverse design strategy

Y Wang, Z Chen, Q Chen, E Tian, N Han, J Mo - Building and Environment, 2024 - Elsevier
The techniques capable of accurately and effectively detecting low-concentration volatile
organic compounds (VOCs) are promising for environmental contaminant monitoring and …

A fully electronic microfabricated gas chromatograph with complementary capacitive detectors for indoor pollutants

Y Qin, YB Gianchandani - Microsystems & nanoengineering, 2016 - nature.com
This paper reports a complete micro gas chromatography (μGC) system in which all the
components are lithographically microfabricated and electronically interfaced. The …

Chip-scale gas chromatography: From injection through detection

M Akbar, M Restaino, M Agah - Microsystems & Nanoengineering, 2015 - nature.com
Miniaturized gas chromatography (µGC) systems hold potential for the rapid analysis of
volatile organic compounds (VOCs) in an extremely compact and low-power enabled …