Results 1 to 10 of about 16,785,729 (104)

Review of High-Speed Countercurrent Chromatography in Separation of Lanthanides and Actinides

open access: yesHe huaxue yu fangshe huaxue, 2022
In the field of radiochemistry, separation of lanthanides and actinides has always been one of the research hotspots. In order to achieve the burnup analysis, the lanthanide and actinide elements in the solution need to be separated.
LI Yu-hao   +6 more
doaj   +1 more source

Synthesis and Application of Zearalenone Substitute Cyclododecyl 2,4-Dihydroxybenzoate

open access: yesLiang you shipin ke-ji, 2021
Cyclododecyl 2,4-dihydroxybenzoate (CDHB) is very similar to zearalenone (ZEN) in terms of size,shape,steric conformation and property.It is commonly used as a template of ZEN for the preparation of molecularly imprinted polymers.N’N′-carbonyldiimidazole
HAN Yang-ying   +3 more
doaj   +1 more source

The isolation of (6S, 9S)-cyclo (prolylvalyl) from marine actinomycete, by use of high speed contercurrent chromatography [PDF]

open access: yesJournal of the Serbian Chemical Society, 2002
The marine actinomycete B 1758 came from the actinomycete collection of the Alfred Wegener Institute for Polar and Marine Research in Bremerhafen Germany. 1.079 g of raw extract was obtained by fermentation.
Šmelcerović Andrija A.   +2 more
doaj   +1 more source

Optimizations of extraction and separation process of saponins and in vitro antioxidant activity from the female gonad of Apostichopus japonicus

open access: yesShipin yu jixie, 2022
Objective: This study aimed to optimize the ultrasonic-assisted extraction technology and HSCCC separation process of saponins from the female gonad of Apostichopus japonicus and to explore their antioxidant activities.
ZHONG Jing-shi   +4 more
doaj   +1 more source

Isolation of Two New Phenolic Glycosides from Castanopsis chinensis Hance by Combined Multistep CC and HSCCC Separation and Evaluation of Their Antioxidant Activity

open access: yesMolecules, 2023
The characteristics of high polarity and susceptibility to oxidation in phenolic glycosides increase the difficulty of their separation from natural products.
Ya-Feng Wang   +5 more
doaj   +1 more source

The kidney antifibrotic effects of 5,7,3′,4′,5′-pentamethoxyflavone from Bauhinia championii in streptozotocin-induced diabetic rats: in vivo and in vitro experiments

open access: yesPharmaceutical Biology, 2023
Context The antidiabetic effects of flavonoids have been reported, but it is still unclear whether 5,7,3′,4′,5′-pentamethoxyflavone, isolated from Bauhinia championii Benth.
Jialin Li   +3 more
doaj   +1 more source

Separation and Preparation of Sanguinarine and Chelerythrine from Macleaya cordata Root by High Speed Counter-Current Chromatography

open access: yesShipin gongye ke-ji, 2022
The aim of this study was to develop a method for the separation and preparation of high purity sanguinarine and chelerythrine by conventional high speed counter-current chromatography.
Changqing JIA   +4 more
doaj   +1 more source

Capparis cartilaginea decne (capparaceae): isolation of flavonoids by high-speed countercurrent chromatography and their anti-inflammatory evaluation

open access: yesFrontiers in Pharmacology, 2023
Introduction:Capparis cartilaginea Decne. (CC) originates from the dry regions of Asia and the Mediterranean basin. In traditional medicine, tea of CC leaves is commonly used to treat inflammatory conditions such as rheumatism, arthritis, and gout.
Bashaer Alsharif   +9 more
doaj   +1 more source

Separation of Volatile Metabolites from the Leaf-Derived Essential Oil of Piper mollicomum Kunth (Piperaceae) by High-Speed Countercurrent Chromatography

open access: yesMolecules, 2018
The technique of high-speed countercurrent chromatography was applied to the isolation of compounds in essential oil derived from the leaves of Piper mollicomum species.
André M. Marques   +3 more
doaj   +1 more source

Preparative Isolation of Antimycobacterial Shoreic Acid from by High Speed Countercurrent Chromatography

open access: yesNatural Product Communications, 2008
High speed countercurrent chromatography (HSCCC) was used to isolate the dammarane type triterpene shoreic acid from the dichloromethane extract of leaves of Cabralea canjerana , which showed activity against Mycobacterium tuberculosis .
Gilda G. Leitão   +7 more
doaj   +1 more source

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