Results 41 to 50 of about 6,516,175 (208)
Application of 3cr-Hydroxysteroid Dehydrogenase Column to the Determination of Bile Acids Fractionated by High-Performance Liquid Chromatog-raphy: Advantage of Pretreating Human Bile Acids with Seppak C18 and Piperidinohydroxypropyi Sephadex LH-20 [PDF]
, 1987 The analysis of bile acids in human bile was tried by high-performance liquid chromatography (HPLC). Bile acids in human bile were first prefractionated into free, glycine- and taurine-conjugated bile acids using a Seppak C18 cartridge and a ...
Nagashima, Hideo +2 more
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Archiv der Pharmazie, Volume 359, Issue 9, September 2026.Four novel diterpenoids were isolated from Salvia rosmarinus (rosemary), together with nine known compounds. ECD calculations were employed to establish the absolute configuration of diterpenoids 1 and 2. The 18‐hydroxycarnosol (1) was evaluated as antiproliferative (SRB assay) and antioxidant (DPPH and TBARS), showing promising results.
Diana Pérez‐Juanchi +5 more
wiley +1 more source
Elution profile of crude extract CM-H-L from Sephadex LH-20.
, 2013 Fraction collected through elution with 100% ethanol, 100 ml of 60% ethanol, 100 ml of 100% ethanol, corresponding to the strand on the x axis between 0 and 100 ml, 100 and 200 ml, 200 and 300 ml, 300 and 400 ml respectively.
Zengqiang Ma (486293) +6 more
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Ciência Rural, 2012 In vitro tests conducted with extracts rich in tannins have identified several biological activities of this class of substance. Thus, this paper intends to evaluate the antibacterial activity of tannin-rich fraction obtained from leaf extracts of ...
Peracio Rafael Bueno Ferreira +6 more
doaj
Chemistry &Biodiversity, Volume 23, Issue 9, September 2026.Five new iridoids, viburetins D–H, featuring dioxatricyclodecane and ring‑opened monocyclic skeletons, are isolated from the leaves of Viburnum macrocephalum f. macrocephalum, enriching the chemical diversity of Viburnum. Preliminary DPPH and ABTS assays reveal varying degrees of radical scavenging activity.
Ya‐Jiao Chen +4 more
wiley +1 more source
Separation of prostaglandin metabolites on sephadex LH 20 columns
, 1978 Sephadex LH 20 columns have been investigated for the separation of initial prostaglandin metabolites. Solvent systems are described for the separation of the free acids of 15-keto-dihydro-PGE, 15-keto-PGE, PGE, and PGF(1a).
Bukhave, K., Hansen, Harald S.
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A New Cadinane Sesquiterpene from the Marine Brown Alga Dictyopteris divaricata
Molecules, 2009 A sample of the marine brown alga D. divaricata collected off the coast of Yantai (P.R. China) was dried, powdered, and extracted with the mixture of CHCl3 and MeOH (1:1, v/v).
Qin-Zhao Xue +8 more
doaj +1 more source
Journal of Lipid Research, 1975 The cellular mycolate synthetase activity of Mycobacterium tuberculosis H37Ra was previously shown to be very sensitive to isoniazid (Wang, L., and K. Takayama. 1972. Antimicrob. Agents Chemother. 2: 438-441).
K. Takayama +3 more
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Chemistry &Biodiversity, Volume 23, Issue 9, September 2026.Two new γ‐lactone derivatives, alterlactones A–B (1–2), and a known analogue, 3were isolated from Alternaria sp. HN‐17. Their structures were elucidated by NMR, HRESIMS and ECD calculations. Both 1 and 2 showed potent anti‐inflammatory activity. ABSTRACT Two γ‐lactone derivatives, alterlactones A‐B (1–2), along with one known analogue 3, were isolated ...
Yuru Sun +6 more
wiley +1 more source
Microvesicle-mediated release of soluble LH/hCG receptor (LHCGR) from transfected cells and placenta explants [PDF]
, 2011 Placental hCG and pitutary LH transduce signals in target tissues through a common receptor (LHCGR). We demonstrate that recombinant LHCGR proteins which include the hormone-binding domain are secreted from transfected cells and that natural LHCGR is ...
Randeva, H +18 more
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