A Review of Preconcentrator Materials, Flow Regimes and Detection Technologies for Gas Adsorption and Sensing
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials Interfaces"
DOI: 10.1002/admi.202200632
Abstract: A preconcentrator is a device used to lower the detection limit of a gas sensor, often integrated upstream of the sensor. Gas preconcentrators have attracted great research interest because of their wide range applications including… read more here.
Keywords: gas; preconcentrator; preconcentrator materials; review preconcentrator ... See more keywords
A Hyphenated Preconcentrator-Infrared-Hollow-Waveguide Sensor System for N2O Sensing
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-23961-8
Abstract: Following the Kyoto protocol, all signatory countries must provide an annual inventory of greenhouse-gas emission including N2O. This fact associated with the wide variety of sources for N2O emissions requires appropriate sensor technologies facilitating in-situ… read more here.
Keywords: sensor system; sensor; preconcentrator; hollow waveguide ... See more keywords
Porous silica preconcentrator for selective ambient volatile organic compounds detection: Effects of surface functionalization and humidity
Sign Up to like & getrecommendations! Published in 2023 at "Applied Physics Reviews"
DOI: 10.1063/5.0139042
Abstract: With the increased demand for hand-held and ambient gas sensors, it is imperative to develop sensors that can offer both selective and sensitive detection. Gas preconcentration is a widely tried and tested method to increase… read more here.
Keywords: gas; preconcentrator; ambient; detection ... See more keywords
A micro packed preconcentrator using ionic liquid coated graphitized carbons for detection of low concentration isoprene
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Micromechanics and Microengineering"
DOI: 10.1088/1361-6439/acca2c
Abstract: Analysis of volatile organic compounds in the human exhaled mixture is a promising disease screening approach, and isoprene is a typical biomarker for nonalcoholic fatty liver disease in breath diagnosis. However, accurate detection of trace… read more here.
Keywords: preconcentrator; micro packed; graphitized carbons; isoprene ... See more keywords
Cavitand Decorated Silica as a Selective Preconcentrator for BTEX Sensing in Air
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12132204
Abstract: The monitoring of benzene and other carcinogenic aromatic volatile compounds at the ppb level requires boosting both the selectivity and sensitivity of the corresponding sensors. A workable solution is the introduction in the devices of… read more here.
Keywords: decorated silica; preconcentrator; selective preconcentrator; air ... See more keywords