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MAHBUB, P. -- NOORI, A. -- PARRY, J S. -- DAVIS, J. -- LUCIEER, A. -- MACKA, M. Continuous and real-time indoor and outdoor methane sensing with portable optical sensor using rapidly pulsed IR LEDs. Talanta. 2020. v. 218, no. 1 October, ISSN 0039-9140. URL: https://doi.org/10.1016/j.talanta.2020.121144

Original name: Continuous and real-time indoor and outdoor methane sensing with portable optical sensor using rapidly pulsed IR LEDs
Czech name:
Written by (author):
Parvez Mahbub
Ansara Noori
John S Parry
John Davis
Arko Lucieer
doc. RNDr. Miroslav Macka, Ph.D.
Department: Department of Chemistry and Biochemistry
Kind of publication:
article in a professional periodical
Periodical:
Talanta
Nature of article:
paper
Volume no. (year): 218
Periodical number within the volume: 1 October
Year of publication:
2020
Starting page:
Up to page:
Number of pages:
9
Sub-specification:
článek je obsažen v databázi Web of Science
UT code by Web of Science:
EID code by Scopus:
Form of publication:
printed version
Original language:
English
Description in original language:
We designed a simple, portable, low-cost and low-weight nondispersive infrared (NDIR) spectroscopy-based system for continuous remote sensing of atmospheric methane (CH4) with rapidly pulsed near-infrared light emitting diodes (NIR LED) at 1.65 μm. The use of a microcontroller with a field programmable gate array (μC-FPGA) enables on-the-fly and wireless streaming and processing of large data streams (~2 Gbit/s). The investigated NIR LED detection system offers favourable limits of detection (LOD) of 300 ppm (+-5%) CH4,. All the generated raw data were processed automatically on-the-fly in the μC-FPGA and transferred wirelessly via a network connection. The sensing device was deployed for the portable sensing of atmospheric CH4 at a local landfill, resulting in quantified concentrations within the sampling area (ca 400 m2) in the range of 0.5%-3.35% CH4. This NIR LED-based sensor system offers a simple low-cost solution for continuous real-time, quantitative, and direct measurement of CH4 concentrations in indoor and outdoor environments, yet with the flexibility provided by the custom programmable software. It possesses future potential for remote monitoring of gases directly from mobile platforms such as smartphones and unmanned aerial vehicles (UAV).
Description in English:
Description in Czech:
Year of submission:
2020
Year of transmission:
RIV identification number:
URL:
https://doi.org/10.1016/j.talanta.2020.121144
 
Entry made by:
Last change:
06/02/2020 12:32 (Markéta Hejčová, DiS.)

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Source specification:

Talanta. ISSN 0039-9140.

Original name: Talanta
English name:
Czech name:
Written by (author):
Kind of publication: magazine
ISSN:
0039-9140
Country of publisher:
Kingdom of the Netherlands
Place of publishing:
Publisher:
Elsevier Science BV
URL:
Reviewed magazine:
no
Original language:
Description in original language:
Description in English:
Description in Czech:
 
Entry made by:
Last change:
03/14/2012 20:34 (Ing. Aleš Kutín)

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