Results 11 to 20 of about 22,533 (264)
Grasas y Aceites, 1992 An spectroscopy method to fast determination of the degree of unsaturation of oils and fats is described by measurement of intensity of the olefinic band at 3007 cm-1 Using SNGLE program, the peak heigt and peak area and also 1st derivate and 2nd ...
S. Muniategui, P. Paseiro, J. Simal
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Characterization and discrimination of soils by their reflected electromagnetic energy [PDF]
Pesquisa Agropecuária Brasileira, 2002 The objective of this work was to verify if reflected energy of soils can characterize and discriminate them. A spectroradiometer (Spectral reflectance between: 400-2,500 nm) was utilized in laboratory. The soils evaluated are located in Bauru region, SP,
José Alexandre M. Demattê
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Actual applications of infrared spectrophotometry in determining the quality of daily products
Acta et Commentationes: Ştiinţe Exacte şi ale Naturii, 2022 Fourier transform infrared spectroscopy (FTIR) is a fast and non-destructive analytical method. Combined with chemometrics, it is a powerful tool for the pharmaceutical, cosmetics and food industries.
Natalia Rotari +2 more
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Speech therapy changes blood circulation and oxygenation in the brain and muscle: a near-infrared spectrophotometry study [PDF]
, 2011 Recently it has been shown that artistic speech therapy (AST) has effects on heart rate variability. The aim of this pilot study was to investigate whether AST also affects hemodynamics and tissue oxygenation in the brain and skeletal muscle measured by ...
Ursula Wolf +5 more
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Karakterisasi Senyawa Minyak Atsiri Ekstrak Etil Asetat Bawang Putih (allium sativum l.)
Indonesian Journal of Pharmaceutical Education, 2021 Garlic (Allium sativum L.) is one of tuber vegetable crops that is widely grown in various countries in the word and is often used as food spices and medicines. The purpose of this study was to characterize the volatile oil compound ethyl acetate extract
Muhammad Taupik +3 more
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Synthesis and virtual screening of bis-(4-(tert-butyl)-N-(methylcarbamothioyl) benzamide)-Iron (III) complex as an anticancer candidate [PDF]
Pharmaciana, 2021 Thiourea derivatives were much used in drug discovery and drug-making, such as for an anticancer. The formation of drug complexes can increase lipophilicity through chelation formation, and the drug action is significantly upward due to the effective ...
Ruswanto Ruswanto +3 more
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Performance of three handheld NIR spectrometers for predicting grass silage quality
Biotechnologie, Agronomie, Société et Environnement, 2022 Description of the subject. Feed is the main variable cost in dairy farming. More efficient use of forage resources is one way to reduce production costs.
Juan Antonio Fernández Pierna +7 more
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Color Differences on the Lunar Surface [PDF]
, 1968 Both a detailed literature survey and a new observational study were performed to determine and extend the knowledge of spectral reflectivity differences (color differences) on the lunar surface in the extended visible wavelength region.
McCord, Thomas Bard
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Applied Sciences, 2020 A novel method was proposed for the determination of vitamin C (VC) using an infrared camera combined with the iodine-turbidimetric method. Based on the redox between VC and iodine, the residual iodine was measured using the turbidimetric method with an ...
Yi Miao +7 more
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Measurement of serum triglycerides by thin-layer chromatography and infrared spectrophotometry*
Journal of Lipid Research, 1963 A direct and nondestructive method for the quantitative determination of serum or plasma triglycerides has been developed. The lipid extract of 1 ml of serum is chromatographed on I-mm wet-thickness silicic acid layers prepared from a water–acetone ...
Kenneth Krell, Sami A. Hashim
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