Results 231 to 240 of about 273,868 (276)
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Polymer analysis by higher-order UV/VIS-derivative spectrophotometry
Polymer Bulletin, 1980High resolution higher-order UV/VIS derivative spectrophotometry (HODS) has been used for some selected analytical problems of polymers, such as copolymer composition, determination of unconverted monomer in polymer and analysis of polymer additives.
Oskar Nuyken, Gerhard Talsky
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Microchemical journal (Print), 2019
Three synthesis routes of selenium nanoparticles (SeNPs), using glucose, ascorbic acid and yeast Saccharomyces boulardii, alternatively, as green chemistry reductants for ionic Se, have been successfully monitored using both continuous photochemical ...
M. Bartosiak, Jacek Giersz, K. Jankowski
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Three synthesis routes of selenium nanoparticles (SeNPs), using glucose, ascorbic acid and yeast Saccharomyces boulardii, alternatively, as green chemistry reductants for ionic Se, have been successfully monitored using both continuous photochemical ...
M. Bartosiak, Jacek Giersz, K. Jankowski
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Mathematical calculations of iron complex stoichiometry by direct UV–Vis spectrophotometry
Bioorganic Chemistry, 2013The effects of iron-chelating agents on miscellaneous pathologies are currently largely tested. Due to various indications, different properties for chelators are required. A stoichiometry of the complex in relation to pH is one of the crucial factors.
Tomáš, Filipský +4 more
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Journal of Pharmaceutical and Biomedical Analysis, 2020
In experimental nociception models, there is an increase in the glutamate cerebrospinal fluid (CSF) and a decrease in its levels in analgesic treatments.
C. P. Ferreira +6 more
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In experimental nociception models, there is an increase in the glutamate cerebrospinal fluid (CSF) and a decrease in its levels in analgesic treatments.
C. P. Ferreira +6 more
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Determination of Trace Elements Using UV–Vis Spectrophotometry
2022The popularity of UV–vis spectrophotometric methods in trace element analysis arises from their modest apparative requirements, possibility of use by a moderately trained analyst, at least in developing countries, an adequate sensitivity and an accuracy often as good as, if not better than, that of other methods in the same range.
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Talanta: The International Journal of Pure and Applied Analytical Chemistry, 2018
The combination of UV-vis spectrophotometry with a chemometric calibration tool based on partial least squares (PLS) has allowed us the development of a multivariate analytical method that simultaneously estimates the concentration and size of mixtures ...
Gustavo Moreno-Martín +2 more
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The combination of UV-vis spectrophotometry with a chemometric calibration tool based on partial least squares (PLS) has allowed us the development of a multivariate analytical method that simultaneously estimates the concentration and size of mixtures ...
Gustavo Moreno-Martín +2 more
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Methods Development and Validation of Cefprozil by UV-Vis Spectrophotometry
Asian Journal of Pharmaceutical Analysis, 2021The present work describes which deals to developed and validate a simple, accurate, precise, economically effective US-VIS Spectrophotometric method for the estimation of cefprozil. These methods are developing using 280nm as the λmax of cefprozil respectively. Calibration curves were linear over the concentration ranges of 10-50µg/ml.
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Journal of AOAC International, 2018
Background: Brilliant Blue and Sunset Yellow, two highly water-soluble synthetic food dyes, are the most popular food dyes used and consumed. Although they are not highly toxic, some health problems can be observed when excessive amounts of food products
A. T. Bişgin
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Background: Brilliant Blue and Sunset Yellow, two highly water-soluble synthetic food dyes, are the most popular food dyes used and consumed. Although they are not highly toxic, some health problems can be observed when excessive amounts of food products
A. T. Bişgin
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An overview of liquid phase microextraction approaches combined with UV–Vis spectrophotometry
Talanta, 2012Ultraviolet and visible spectrophotometer has become a popular analytical instrument in the modern day laboratories. However, the low concentrations of many analytes in samples make it difficult to directly measure them by UV-Vis spectrophotometry.
Malihe, Dehghani Mohammad Abadi +3 more
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Chinese Chemical Letters, 2018
A kind of sensitive, rapid, and simple spectrophotometry based on a Ytterbium (Yb3+) functionalized gold nanoparticle (Au NPs-Yb) was developed for detection of organophosphorus pesticides (OPs). Prepared AuNPs possess oxygen-containing functional groups
Yuan Li +4 more
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A kind of sensitive, rapid, and simple spectrophotometry based on a Ytterbium (Yb3+) functionalized gold nanoparticle (Au NPs-Yb) was developed for detection of organophosphorus pesticides (OPs). Prepared AuNPs possess oxygen-containing functional groups
Yuan Li +4 more
semanticscholar +1 more source