Results 31 to 40 of about 405,960 (378)
Scientific Reports, 2017 Many herbal products have a long history of use, but there are increasing concerns over product efficacy, safety and quality in the wake of recent cases exposing discrepancies between labeling and constituents. When it comes to St. John’s wort (Hypericum
A. Raclariu +8 more
semanticscholar +1 more source
PHYSICAL AND CHEMICAL METHODS FOR FLAVONOIDS CONTENT DETERMINATION IN SOPHORA FLAVESCENS ROOTS
Фармация и фармакология (Пятигорск), 2015 The article presents a study on the identification methodology elaboration of flavonoids in Sophora flavescens roots using chemical reaction and TLC method. We have also developed methods of quantitative determination of flavonoids sum into raw materials
A. B. Samoryadova
doaj +1 more source
Studies in Learning and Teaching, 2020 The purpose of this study explains the effectiveness of the student activity sheet model to enhance scientific creativity and student learning outcomes and student responses to the learning process.
Dwikoranto +7 more
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Characterization of quaternary ammonium compounds in Flourensia xerophytic communities and response to UV-B radiation [PDF]
, 2014 As part of ongoing studies aimed at characterizing molecular components involved in the ecophysiological adaptations of native xerophytic plants from central Argentina, we demonstrated the presence of compatible solutes in Flourensia campestris (FC) and ...
Cantero, Juan Jose +6 more
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Hepatology, EarlyView., 2022 IL‐31 levels correlate with pruritus in patients with cholestatic and metabolic liver diseases Abstract Background and Aims Pruritus is associated with multiple liver diseases, particularly those with cholestasis, but the mechanism remains incompletely understood.
Jun Xu +20 more
wiley +1 more source
Study the polyphenolic compounds composition of Thymus vulgaris L. herb
Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2023 The Thymus L. genus is extremely widespread on the territory of Ukraine and includes up to 50 main species. Extracts from the official species of the Thymus L.
O. V. Mazulin +2 more
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High-throughput radio-TLC analysis.
Nuclear Medicine and Biology, 2019 INTRODUCTION Radio thin layer chromatography (radio-TLC) is commonly used to analyze purity of radiopharmaceuticals or to determine the reaction conversion when optimizing radiosynthesis processes. In applications where there are few radioactive species,
Jia Wang +5 more
semanticscholar +1 more source
Impedance-based in vitro eye irritation testing enables the categorization of diluted chemicals
Scientific ReportsProducts containing chemicals with eye irritation potential need to be labeled with the respective hazard symbol. To avoid the testing of numerous dilutions of chemicals on animals, their labeling is directed by a theoretical approach.
H. Weissinger +3 more
doaj +1 more source
PLoS ONE, 2017 Methods to analyze lipidomes have considerably evolved, more and more based on mass spectrometry technics (LC-MS/MS). However, accurate quantifications using these methods require 13C-labeled standards for each lipid, which is not feasible because of the
J. Jouhet +8 more
semanticscholar +1 more source
Transit observations at the observatory in Grossschwabhausen: XO-1b and TrES-1 [PDF]
, 2008 We report on observations of transit events of the transiting planets XO-1b and TrES-1 with the AIU Jena telescope in Grossschwabhausen. Based on our IR photometry (in March 2007) and available transit timings (SuperWASP, XO and TLC-project-data) we ...
A. Koeltzsch +12 more
core +2 more sources