Results 1 to 10 of about 1,044,855 (212)

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

open access: goldMolecules, 2021
(1) Background: The functional groups present in tranexamic acid allow direct infrared detection analysis. This study aimed to develop, apply, and validate an infrared spectrophotometry method used for qualitative and quantitative analyses of tranexamic ...
Nerdy Nerdy   +5 more
doaj   +3 more sources

Partial Least Squares, Experimental Design, and Near-Infrared Spectrophotometry for the Remote Quantification of Nitric Acid Concentration and Temperature [PDF]

open access: goldMolecules, 2023
Near-infrared spectrophotometry and partial least squares regression (PLSR) were evaluated to create a pleasantly simple yet effective approach for measuring HNO3 concentration with varying temperature levels.
Luke R. Sadergaski   +2 more
openalex   +2 more sources

Cerebral Oxygenation and Hemodynamics During Induction of Extracorporeal Membrane Oxygenation as Investigated by Near Infrared Spectrophotometry

open access: greenPediatrics, 1995
OBJECTIVE To investigate cerebral oxygenation and hemodynamics in relation to changes in some relevant physiologic variables during induction of extracorporeal membrane oxygenation (ECMO) in newborn infants.
K.D. Liem   +5 more
openalex   +3 more sources

Quantitative analysis of pharmaceutical products by spectrophotometry in the infrared region: a practical review

open access: yesDrug Analytical Research, 2023
Quality control in the chemical-pharmaceutical industry to identify and quantify the active ingredient has fundamental importance to guarantee the quality of the final product.
Ana Kogawa, Hérida Regina Nunes Salgado
doaj   +9 more sources

INFRARED SPECTROPHOTOMETRY, A RAPID AND EFFECTIVE TOOL FOR CHARACTERIZATION OF DIRECT DISTILLATION NAPHTHAS La espectrofotometría infraroja, una herramienta rápida y efectiva para la caracterización de naftas de destilación directa

open access: greenCT&F Ciencia, Tecnología & Futuro, 2005
The characterization of naphtha obtained by direct distillation of medium and heavy crude oils is often limited by the low yield of these fractions. Gas chromatography is a technique that allows a complete determination of the chemical composition of ...
Carlos-A Baldrich Ferrer   +1 more
doaj   +1 more source

Localized irregularities in hemoglobin flow and oxygenation in calf muscle in patients with peripheral vascular disease detected with near-infrared spectrophotometry [PDF]

open access: bronzeJournal of Vascular Surgery, 2003
Ursula Wolf   +11 more
openalex   +2 more sources

Infrared Macrothermoscopy Patterns—A New Category of Dermoscopy

open access: yesJournal of Imaging, 2023
(1) Background: The authors developed a new non-invasive dermatological infrared macroimaging analysis technique (MacroIR) that evaluates microvascular, inflammatory, and metabolic changes that may be dermoscopy complimentary, by analyzing different skin
Flavio Leme Ferrari   +3 more
doaj   +1 more source

An Infrared Standard Curve Method for Calculating the Total Amount of Petroleum in Environmental Samples

open access: yesYankuang ceshi, 2022
BACKGROUND Petroleum oil is one of the necessary indicators for environmental monitoring, which mainly exists in the form of hydrocarbons. Therefore, infrared spectrophotometry is one of the most reliable methods to determine the total amount of ...
AN Caixiu   +5 more
doaj   +1 more source

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