Results 181 to 190 of about 10,603 (209)

Light-Harvesting Photothermal Hotspots Enabled by NIR Scattering-Absorption Coupling. [PDF]

Adv Sci (Weinh)
Wu Z, Bao C, Zhang P, Ding T, Lin W, Li H, Luo W, Deng X, Wang H, Li G, Hu H, Wang Y, Jiang D, Zhang Y, Jia S, Zhang N, Ke M, Liang L, Liang L.   +18 more
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Thermal lens spectrophotometry of gaseous hydrocarbon molecules in the infrared region

Analytical Chemistry, 1984
Mesure des spectres optothermiques, en faisant varier la longueur d'onde d'emission du laser 12 C 16 O 2 .
Totaro Imasaka, Nobuhiko Ishibashi
exaly   +2 more sources

Spectrophotometry in Infrared Region: A New, Low Cost and Green Way to Analyze Tablets of Rifaximin

Current Pharmaceutical Analysis, 2018
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) ; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) ; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) ; Background: Rifaximin is an oral antimicrobial, which, until now, does not have standardized analytical methods in most official compendia.
Kogawa, Ana Carolina, Salgado, Hérida Regina Nunes   +1 more
openaire   +3 more sources

Balloon-borne far-infrared spectrophotometry of the galactic center region

Advances in Space Research, 1985
Abstract Far-infrared observations of the Galactic Center have been carried through with the MPE Im balloon-borne telescope “Golden Dragon”. The measurements are composed of photometric scanning (33–95 μm) of the inner 4′×4′ and low resolution spectroscopy ( δ ν = 10 cm −1 ) of the center and of a position approximately 1.5′ to the north.
S. Drapatz, L. Haser, R. Hofmann, N. Oda, R. Wilczek   +4 more
openaire   +1 more source

Identification of natural and synthetic fibres by photoacoustic spectrophotometry in the near-infrared region

Forensic Science International, 1988
Abstract Qualitative analysis and composition among cotton and polyester (terene) fibres and their forensic characterisation have been carried out using near-infrared photoacoustic spectroscopic technique. The different ratio of their mixtures and effect of dye additive have also been evaluated in the present work.
Rajinder Singh, S.R. Singh, V.N. Sehgal
openaire   +1 more source

Regional differences of cerebral hemoglobin concentration in preterm infants measured by near infrared spectrophotometry

Technology and Health Care, 1999
Near infrared spectrophotometry has been used to measure total cerebral hemoglobin concentration (μmol/l) as a major indicator of the oxygen transport capacity in neonates. The aim of this study was to find out how the position of the probe influences the quality of the measurement and the actual cerebral hemoglobin concentration-values.
Keel, Matthias, Wolf, Martin, Baenziger, Oskar, Dietz, Vera, von Siebenthal, Kurt, Bucher, Hans U.   +5 more
openaire   +3 more sources

Spectrophotometry of Human Hemoglobin in the near Infrared Region from 1000 to 2500 nm

Journal of Near Infrared Spectroscopy, 1994
Absorbance and first and second derivative absorbance spectra and quarter-millimolar absorptivity coefficients for hemoglobin species including oxy-, deoxy-, carboxy- and methemoglobin in the visible and in the near infrared regions from 620 nm to 2500 nm are presented. At wavelengths longer than 1500 nm, the absorbance and second derivative absorbance
J. Todd Kuenstner, Karl H. Norris
openaire   +1 more source

Regional Cerebral Oxygen Saturation During Electroconvulsive Therapy

Anesthesia & Analgesia, 1996
Electroconvulsive therapy (ECT) increases neuronal energy consumption and alters systemic hemodynamics. We examined the effects of ECT on regional cerebral oxygen saturation (rSo2) using a near-infrared spectro-photometer. Heart rate (HR), mean arterial blood pressure (MAP), and rSo2 were continuously monitored throughout ECT under general anesthesia ...
S, Saito, S, Miyoshi, D, Yoshikawa, H, Shimada, T, Morita, Y, Kitani   +5 more
openaire   +2 more sources

Validation of the Developed Zero-Order Infrared Spectrophotometry Method for Qualitative and Quantitative Analyses of Tranexamic Acid in Marketed Tablets

Molecules, 2021
Nerdy Nerdy, Linda Margata, Effendy De Lux Putra   +2 more
exaly  

A sensitive, spatially uniform photodetector for broadband infrared spectrophotometry

Applied Optics, 2008
Simon G Kaplan
exaly