Zobrazeno 1 - 10
of 28
pro vyhledávání: '"D. C. Dumitras"'
Applications of Near Infrared Photoacoustic Spectroscopy for Analysis of Human Respiration: A Review
Publikováno v:
Molecules
Molecules, Vol 25, Iss 1728, p 1728 (2020)
Molecules, Vol 25, Iss 1728, p 1728 (2020)
In this review, applications of near-infrared photoacoustic spectroscopy are presented as an opportunity to evaluate human respiration because the measurement of breath is fast, intact and simple to implement. Recently, analytical methods for measuri
Publikováno v:
Neurological Disorders and Imaging Physics, Volume 3 ISBN: 9780750317931
Neurological Disorders and Imaging Physics, Volume 3
Neurological Disorders and Imaging Physics, Volume 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74d38f3c1b44b9d28f8c40400dc7c4d6
https://doi.org/10.1088/978-0-7503-1793-1ch7
https://doi.org/10.1088/978-0-7503-1793-1ch7
Autor:
Doru C. A. Dutu, Cristina Liana Popa, A. M. Bratu, S. Banita, D. C. Dumitras, C. Matei, Ramona Cernat
Publikováno v:
Applied Physics B. 105:669-674
The application of laser photoacoustic spectroscopy (LPAS) for fast and precise measurements of breath biomarkers has opened up new promises for monitoring and diagnostics in recent years, especially because breath test is a non-invasive method, safe
Publikováno v:
Laser Physics. 21:1336-1342
The hypothesis that blood, urine and other body fluids and tissues can be sampled and analyzed to produce clinical information for disease diagnosis or therapy monitoring is the basis of modern clinical diagnosis and medical practice. The analysis of
Autor:
Ramona Cernat, D. C. Dumitras, Cristina Liana Popa, Doru C. A. Dutu, M. Petrus, C. Matei, A. M. Bratu, M. Patachia, S. Banita
Publikováno v:
Laser Physics. 21:796-800
Photoacoustic spectroscopy represents a powerful technique for measuring extremely low absorptions independent of the path length and offers a degree of parameter control that cannot be attained by other methods. We report precise measurements of the
Publikováno v:
Quantum Electronics. 40:1062-1066
Diffuse optical tomography (DOT) makes it possible to reconstruct, in two or three dimensions, the internal structure of the biological tissues based on the distribution of the absorption coefficient and the reduced scattering coefficient, using opti
Autor:
A. M. Bratu, C. Matei, M. Petrus, M. Patachia, S. Banita, D. C. Dumitras, Ramona Cernat, Doru C. A. Dutu, Cristina Liana Popa
Publikováno v:
Infrared Physics & Technology. 53:308-314
The present paper describes an extremely sensitive apparatus based upon laser photoacoustic spectroscopy (LPAS) methods which can be used for the detection and measurement of trace gases at very low concentrations (parts per trillion by volume – pp
Publikováno v:
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 163
Absorption coefficients of the ethanol vapors at atmospheric pressure and room temperature were measured by photoacoustic technique using a cw, line-tunable, frequency-stabilized CO2 laser as radiation source. The spectrum of the employed CO2 laser i
Publikováno v:
Molecular Crystals and Liquid Crystals. 418:217-227
A high sensitive photoacoustic system has been developed to monitor trace gases released by biological samples at concentrations of sub-ppb level. We have applied this technique to measure the release of the plant hormone ethylene during seed germina
Publikováno v:
Journal of Spectroscopy, Vol 2013 (2013)
Laser photoacoustic spectroscopy (LPAS) is growing quickly in its applications to real world problems—one of the problems is to prevent obesity—being a candidate technology for breath analysis applications. The ongoing paper is aiming to investig