Results 71 to 80 of about 309,365 (304)

Co-57-based intercomparison of TLC scanners and dose calibrators for low-activity radiochemical purity assessment in radiopharmaceutical quality control

EJNMMI Radiopharmacy and Chemistry
Background Thin layer chromatography scanners and dose calibrators are commonly used to assess radiochemical purity of radiopharmaceutical preparations. Strict quality assurance programs surveyed by regulatory bodies exist for dose calibrators, but they ...
Marietta Straub, Michel Leresche, Claude Pilloud, Rolf Hesselmann, Nicolas Stritt, Ruslan Cusnir   +5 more
doaj   +1 more source

The Optimization of Eluent Chromatography Thin Layer 2-D for The Purification of Isolat Alkaloid of Pulai Having Potention as Anti-Toxoplasma [PDF]

, 2015
There was a research having purpose to get pure alkaloid from pulai leaf in a way of chromatography thin layer two dimensions using 2 variants of eluent KLT 2-D.
Fauziyah, Begum, Rahmawati, F, Suryadinata, Arief   +2 more
core  

Toxicological Analysis of Some Drugs of Abuse in Biological Samples [PDF]

, 2015
Consumption of drugs of abuse is a scourge of modern world. Abuse, drug addiction and their consequences are one of the major current problems of European society because of the significant repercussions in individual, family, social and economic level ...
Baconi, Daniela Luiza, Bârcă, Maria, Bălălău, Cristian, Ciobanu, Anne Marie, Negrei, Carolina, Stan, Miriana   +5 more
core   +3 more sources

Positively Charged Polymer‐Brush MOFs for Large‐Area, Pressure‐Resistant Gas Separation Membranes

Advanced Materials, EarlyView.
A universal POPA strategy enables positively charged polymer‐brush MOFs with self‐adaptive interfacial interlocking to resist aggregation under fast processing. This design ensures seamless dispersion within large‐area selective layers, achieving 1 m‐wide roll‐to‐roll fabrication of pressure‐resistant MMCMs with tunable CO2 separation performance ...
Yi Yang, Ye Yuan, Yuxiu Sun, Fei Shi, Chenyang Song, Weifan Wang, Qinghua Li, Menglong Sheng, Zhihua Qiao, Jingwei Hou, Anthony K. Cheetham, Zhi Wang   +11 more
wiley   +1 more source

Fotodegradação de hidrocarbonetos policíclicos aromáticos em placas de sílica impregnadas com dióxido de titânio Photodegradation of polycyclic aromatic hydrocarbons (PAHs) adsorbed onto silica gel chromatographic plates impregnated with TiO2

Química Nova, 2005
Photodegradation of the PAHs anthracene, chrysene and benzo[k]fluoranthane on silica gel impregnated with TiO2 and over glass plates holding TiO2 was studied.
Laura Furquim Werneck Xavier, Isabel Maria N. S. Moreira, Martha M. Higarashi, Josino C. Moreira, Luiz Filipe V. Ferreira, Anabela S. Oliveira   +5 more
doaj   +1 more source

Recent developments in the rapid analysis of plants and tracking their bioactive constituents [PDF]

, 2009
Natural products chemistry has witnessed many new developments in the last 5 years like extractions with subcritical water and ionic liquids, LC/HRMS and LC/SPE/cryo-NMR, UHPLC, TLC/MS, MS-based preparative HPLC, comprehensive chromatography (GC × GC, LC
Beek, T.A., van, Claassen, F.W., Dapkevicius, A., Exarchou, V., Jeurissen, S.M.F., Klift, E.J.C., van der, Koleva, I., Tetala, K.K.R.   +7 more
core   +2 more sources

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

Advanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

Thin-Layer Chromatography Of Red Dyes And Intermediates [PDF]

Научно-технический вестник Брянского государственного университета, 2015
Binary homogeneous azeotropic solvent mixtures for thin-layer chromatography of laser dyes and intermediates (cou-marins, naphthalimides, benzanthrones, phenalenones, γ-pyrone derivatives) are proposed with dielectric constants of 2,4 – 19,3 and boiling ...
Belov S.P., Komlev I.V., Nifant’ev E.E.   +2 more
doaj  

Separation of neutral lipids of shark liver by “dry-column” chromatography

Journal of Lipid Research, 1969
“Dry-column” chromatography in mixed solvents has been successfully used to separate gram quantities of neutral lipids from shark liver oil into simpler fractions.
Adria C. Casey
doaj   +1 more source

The use of thin layer chromatography for fractionation of lipids in cheese matrix [PDF]

, 2016
Tato prce se zabv pouit­m tenkovrstv© chromatografie pro frakcionaci lipid v srov© matrici. V teoretick© Ästi je charakterizovn ml©Än tuk, lipidy, mastn© kyseliny, monosti stanoven­ lipidickch ltek, tenkovrstv chromatografie a plynov chromatografie.
Pop, ZdenÄk
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