Results 1 to 10 of about 1,984,454 (288)

Review on Synthesis of Silica-Based Hybrid Sorbents and Their Application in Radionuclide Separation and Removal via Chromatographic Technique

open access: yesToxics
The efficient separation and removal of key nuclides is important for the nuclear fuel cycle from the aspects of radioactivity reduction and potential resource recycling.
Xiangbiao Yin   +5 more
doaj   +1 more source

Thin-layer chromatography of tissue lipids without extraction

open access: yesJournal of Lipid Research, 1970
Frozen tissue sections were applied directly to silica gel plates, and the lipids were separated by developing the plates in different solvent systems.
George D. Cherayil, K.S. Scaria
doaj   +1 more source

Advances in Extraction Techniques for Beer Flavor Compounds

open access: yesBeverages, 2023
Owing to the unique chemical properties exhibited by beer flavor compounds, different extraction methods have been utilized to extract these compounds from the sample matrix.
Inês M. Ferreira, Luis F. Guido
doaj   +1 more source

Analytical techniques for determination of mycotoxins in barley, malt and beer: A review

open access: yesKvasný průmysl, 2019
The increasing interest in defining the content of mycotoxins is related to the development of methods for their determination. Several methods of determination have been published.
Marek Pernica   +4 more
doaj   +1 more source

Response surface methodology-optimized extraction of flavonoids from pomelo peels and isolation of naringin with antioxidant activities by Sephadex LH20 gel chromatography

open access: yesCurrent Research in Food Science, 2023
In this study, flavonoids were extracted from pomelo peels and naringin was isolated from the flavonoid extract. The effects of extraction parameters, namely, ethanol concentration, solid-to-liquid ratio, and extraction time, on the yield of flavonoids ...
Yuchen Shangguan   +7 more
doaj   +1 more source

Up-to-date radiochemical methods for the determination of long-lived radionuclides in the environment

open access: yesJournal of Analytical Science and Technology, 2011
Radiochemical methods for the determination of long-lived radionuclides have been briefly reviewed. Developments in nuclear measuring techniques such as alpha spectrometry and liquid scintillation counting as well as in chemical separations have been ...
Nóra Vajda
doaj  

Engineering scale extraction chromatography system development for MA(III) recovery

open access: yesMechanical Engineering Journal
Extraction chromatography technology has been developed for trivalent minor actinides recovery from spent nuclear fuel. Systematic studies on flow-sheet design, safety assessments, and system design of the technology have been carried out in a study ...
Sou WATANABE   +4 more
doaj   +1 more source

Study on ultrasonic assisted optimization of extraction process of allocryptopine and protopine from Macleaya cordata roots

open access: yesSiliao yanjiu, 2023
The experiment was to optimize the extraction process of proopioid and allocryptinine from the root of Macleaya cordata with the aid of ultrasound. The optimal conditions of extraction time, liquid to solid ratio and extraction times were selected by ...
LI Guang-wei   +2 more
doaj  

Optimization of methodology to analyze ascorbic and dehydroascorbic acid in vegetables

open access: yesQuímica Nova, 2009
In this study, different solutions to extract vitamin C were tested. High-performance liquid chromatography was chosen and the conditions were based on isocratic elution in reverse phase column.
Flávia Milagres Campos   +4 more
doaj   +1 more source

Optimization in granulation conditions for adsorbent of extraction chromatography

open access: yesMechanical Engineering Journal
Japan Atomic Energy Agency has been working on development of extraction chromatography technology for recovery of trivalent minor actinides (MA(III): Am, Cm) from high-level radioactive waste generated in reprocessing of spent fuel.
Kenta HASEGAWA   +7 more
doaj   +1 more source

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