Results 41 to 50 of about 3,686,327 (402)

Quantification of sirolimus by liquid chromatography-tandem mass spectrometry using on-line solid-phase extraction [PDF]

open access: yes, 2002
Quantification of the new immunosuppressant sirolimus (syn. rapamycin; Rapamune((R))) in whole blood by chromatography is essential for its clinical use since no immunoassay is available although monitoring is mandatory.
Fleischer, Claudia   +5 more
core   +1 more source

Simultaneous determination of chloride, bromide and iodide in foodstuffs by low pressure ion-exchange chromatography with visible light detection

open access: yesCzech Journal of Food Sciences, 2011
An ion-exchange chromatography method with visible light detection was developed for the simultaneous determination of chloride, bromide, and iodide in foodstuffs.
Lingyun Yu   +4 more
doaj   +1 more source

Assessing glyphosate concentrations in six reservoirs of Paraíba do Sul and Guandu River Basins in southeast Brazil

open access: yesRevista Ambiente & Água, 2021
Glyphosate is a popular herbicide used worldwide, and several studies consider it to be an environmental hazard affecting human health. The present study aimed to detect glyphosate in six different reservoirs of Paraíba do Sul and Guandu River Basins in ...
Carolina da Silva Cristofaro   +3 more
doaj   +1 more source

Purification and Characterization of a Chloroplast Outer-Envelope-Bound, ATP-Dependent Protein Kinase [PDF]

open access: yes, 1988
An ATP-dependent protein kinase was partially purified from isolated outer envelope membranes of pea (Pisum sativum L., Progress No. 9) chloroplasts. The purified kinase had a molecular weight of 70 kilodaltons, as determined by sodium dodecyl sulfate ...
Soll, Jürgen
core   +2 more sources

Determination of Hexavalent Chromium (Cr(VI)) Concentrations via Ion Chromatography and UV-Vis Spectrophotometry in Samples Collected from Nacogdoches Wastewater Treatment Plant, East Texas (USA)

open access: yes, 2016
The concentration of hexavalent chromium (Cr(VI)), a toxic environmental pollutant and carcinogen, was determined in samples collected from Nacogdoches Wastewater Treatment Plant (NWWTP) using ion chromatography and UV-visible spectrophotometry (IC, UV ...
K. Onchoke, S. A. Sasu
semanticscholar   +1 more source

The Evaluation of the Detection of Cr(VI) in Leather

open access: yesAnalytica, 2021
The topic of hexavalent chromium (Cr(VI)) in leather has been debated throughout the whole supply chain for years. However, its significance has recently increased due to proposed changes in European legislation concerned with skin-sensitising substances
Stefan John Davis   +4 more
doaj   +1 more source

Antimicrobial activity of endophytic fungi Kabatiella caulivora Var. A from Alyxia reinwardtii Bl.

open access: yesJournal of Biological Researches, 2012
Isolation and characterization of β-1,3-endoglucanase from cabbage (Brassica oleracea var. capitata L.) have been done. It showed 40° C of optimum temperature, and optimum pH is 7.
Y. Sri Wulan Manuhara
doaj   +1 more source

A comparative analysis of macro and micronutrient content in nutraceutical “Asparagus racemosus (Shatavari Roots)” by energy dispersive X-ray fluorescence and ion chromatography

open access: yesJournal of Ayurveda, 2022
Introduction: Shatavari is indeed a highly rejuvenating herb for both males and females, a revitalizing tonic for most of the problems related to hormonal changes and reproductive system and is a commonly used nutraceutical.
Shalvi Agrawal, Astha Pandey
doaj   +1 more source

Effects of sodium silicate, calcium carbonate, and silicic acid on ammonium nitrate degradation, and analytical investigations of the degradation process on an industrial scale [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2015
Ammonium nitrate is an inorganic chemical that has numerous applications in different industries. However, various problems are associated with both the production and subsequent storage of ammonium nitrate, including caking, degradation ...
Gezerman Ahmet Ozan   +1 more
doaj   +1 more source

Enantioselective synthesis of non-proteinogenic 2-arylallyl-α-amino acids via Pd/In catalytic cascades [PDF]

open access: yes, 2006
An efficient synthesis of both R- and S-enantiomers of 2-arylallyl-α-amino acids via a diastereoselective Pd/In mediated catalytic allylation of chiral N-sulfinyl-α-imino esters is described.
Anwar   +23 more
core   +1 more source

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