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Showing 1-30 of 37 results for "S5772" within Papers
Jun-Feng Gao et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 38(10), 1556-1559 (2013-08-21)
Chemical constituents were investigated on the ethyl acetate extract of Salvia chinensis. Compounds were separated and purified by various chromatograhic techniques including silica gel, Sephadex LH-20 and reversed-phase HPLC. Their structures were identified by spectroscopic data analysis. Eleven compounds were
Anna Gerdova et al.
Chirality, 23(7), 574-579 (2011-06-29)
There are well established theoretical models for correction for absorption flattening of circular dichroism (CD) measurements on particle suspensions. However, these have not been directly tested experimentally. We describe a test system with the chiral tris(ethylenediamine)Co(III) complex dissolved in water
Zhipeng Li et al.
International immunopharmacology, 14(2), 145-149 (2012-07-10)
The study is to investigate the effect of compound IMMLG5521, a coumarin derivative, on lung inflammation induced by Sephadex in rats. Sephadex led to massive granulomas, infiltration of neutrophils and eosinophils, the increase of TNF-α level in BALF and lung
Veronica Murta et al.
Journal of neurochemistry, 144(6), 748-760 (2017-12-28)
Secondary neuronal death is a serious stroke complication. This process is facilitated by the conversion of glial cells to the reactive pro-inflammatory phenotype that induces neurodegeneration. Therefore, regulation of glial activation is a compelling strategy to reduce brain damage after
Yun Chen et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 38(3), 362-365 (2013-05-15)
To determine the chemical constituents of Gentiana rhodantha. To isolate the constituents, column chromatography over silica gel, MCI, Sephadex LH-20 and C18 reverse-phased silica gel were used. Spectroscopic methods were used to elucidate the structures of the isolated compounds. Sixteen
Olga N Solovjeva et al.
The protein journal, 31(2), 137-140 (2012-01-03)
Catalytic activity has been demonstrated for holotransketolase in the absence of free bivalent cations in the medium. The two active centers of the enzyme are equivalent in both the catalytic activity and the affinity for the substrates. In the presence
Marcílio S S Cunha-Filho et al.
The Journal of pharmacy and pharmacology, 63(9), 1156-1160 (2011-08-11)
The purpose of this work was to study the chemical stability of the new antitumoral β-lapachone (βLAP) to determine the degradation pathway/s of the molecule and the degradation kinetics in addition to identifying several degradation products. Samples of βLAP in
Kelsey E Knewtson et al.
ACS omega, 4(7), 12955-12968 (2019-08-29)
Antibody-drug conjugates are an important class of cancer therapeutics. These agents generally bind a specific cell surface receptor, undergo receptor-mediated endocytosis, and enter the endosomal-lysosomal system, where the environment in these organelles facilitates the release of a membrane-permeable cytotoxin. By
Pär Comstedt et al.
PloS one, 9(11), e113294-e113294 (2014-11-20)
There is currently no Lyme borreliosis vaccine available for humans, although it has been shown that the disease can be prevented by immunization with an OspA-based vaccine (LYMErix). Outer surface protein A (OspA) is one of the dominant antigens expressed
M M Satorre et al.
Theriogenology, 78(7), 1548-1556 (2012-08-29)
The objectives were to evaluate postthaw sperm quality and the response to an inducer of in vitro sperm capacitation in boar sperm, cryopreserved with (T) or without (C) α-tocopherol. Boar sperm frozen in 0.2-mL pellets were thawed and washed (W)
Heng-chun Ren et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 37(17), 2581-2584 (2012-12-15)
To investigate chemical constituents from folk herb Pilea cavaleriei subsp. cavaleriei. The compounds were separated and purified by silica gel, Sephadex LH-20 and the like. The structures were identified by spectral methods such as (1)H, (13)C-NMR and MS. Seventeen compounds
Veronica M Chiu et al.
Analytical biochemistry, 418(1), 58-65 (2011-08-02)
An unstirred layer (USL) exists at the interface of solids with solutions. Thus, the particles in brain tissue preparations possess a USL as well as at the surface of a rotating disk electrode (RDE) used to measure chemical fluxes. Time
Yong-Liang Yu et al.
Talanta, 88, 352-357 (2012-01-24)
A miniature analytical system based on a lab-on-valve platform is developed for trace metal analysis by bead injection spectroscopy. A multipurpose flow cell integrated into a lab-on-valve is furnished with two pieces of fiber optics to communicate with light source
Yong Ding et al.
Journal of chromatography. A, 1218(47), 8503-8510 (2011-10-26)
Refolding enables bioprocesses predicated on proteins expressed as inclusion bodies in Escherichia coli. Optimization of size-exclusion chromatography (SEC) refolding is a significant challenge because a wide range of factors, including the choice of gel media, the column dimensions and configuration
Lila Boulekbache-Makhlouf et al.
Phytochemical analysis : PCA, 24(2), 162-170 (2012-08-30)
Eucalyptus species are widely cultivated in Mediterranean regions. Moreover, plants of this family have been utilized for medicinal purposes. A number of studies have been devoted to the identification of eucalypt phenolics, all of them have focused on specific families
Dae-Young Lee et al.
Journal of medicinal food, 15(4), 399-405 (2012-02-10)
Grains of sugary rice were extracted with 80% aqueous methanol, and the concentrated extracts were successively partitioned using ethyl acetate, n-butanol, and water. From the n-butanol fractions, four flavonoid glycosides were isolated through repeated silica gel, octadecyl silica gel, and
Wei-Ku Zhang et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 38(10), 1539-1542 (2013-08-21)
Nine compounds were isolated and purified by column chromatographic techniques including macroporous resin, silica gel, ODS, Sephadex LH-20, and preparative reversed-phase HPLC. Their structures were elucidated as taxifolin (1), naringenin (2), chalconaringenin (3), acacetin (4), quercetin 3-O-beta-D-galactopyranoside (5), 6-prenylnaringenin (6)
Qiang Luo et al.
Journal of medicinal food, 14(12), 1609-1616 (2011-09-01)
Crude water-soluble Chinese truffle Tuber indicum polysaccharide (TIP) was extracted from the fruiting bodies with water and then successively purified by DEAE-cellulose 52 and Sephadex G-100 column chromatography, yielding two major polysaccharide fractions: TIP1-1 and TIP2-1. High-performance gel permeation chromatography
S K Kim et al.
Journal of agricultural and food chemistry, 49(4), 1984-1989 (2001-04-20)
Gelatin extracted from Alaska pollack skin was hydrolyzed with serial digestions in the order of Alcalase, Pronase E, and collagenase using a three-step recycling membrane reactor. The fraction from the second step, which was hydrolyzed with Pronase E, was composed
M O Goodarzi et al.
Human reproduction (Oxford, England), 23(12), 2842-2849 (2008-09-02)
Human homologs (FEM1A, FEM1B, FEM1C) of nematode sex determination genes are candidate genes for polycystic ovary syndrome (PCOS). We previously identified a FEM1A mutation (H500Y) in a woman with PCOS; FEM1B has been implicated in insulin secretion. Women with and
Nerine T Joseph et al.
The Journal of endocrinology, 202(1), 179-190 (2009-04-22)
Two GnRH isoforms (cGnRH-I and GnRH-II) and two GnRH receptor subtypes (cGnRH-R-I and cGnRH-R-III) occur in chickens. Differential roles for these molecules in regulating gonadotrophin secretion or other functions are unclear. To investigate this we cloned cGnRH-R-III from a broiler
Lei Wang et al.
International journal of nanomedicine, 6, 2641-2652 (2011-11-25)
Single-walled carbon nanotubes (SWNT) are poorly soluble in water, so their applications are limited. Therefore, aqueous solutions of SWNT, designed by noncovalent functionalization and without toxicity, are required for biomedical applications. In this study, we conjugated docetaxel with SWNT via
Xiao-Yu Tao et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 37(24), 3738-3742 (2013-05-01)
The column chromatography on silica gel, Sephadex LH-20 and semi-preparative HPLC were used to separate and purify the compounds from the EtOAc extract of medium and MeOH extract of cell cultures of Morus alba. Eight compounds were isolated. Based on
Qing-Qing Wang et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 38(3), 366-370 (2013-05-15)
To study the chemical constituents of Rhododendron seniavinii. Compounds were isolated from the aqueous extract of the leaves of R. seniavinii by using Sephadex LH-20, ODS open column chromatography and other means. Their structures were elucidated according to spectral data
Li-Ming Shen et al.
Talanta, 85(3), 1285-1290 (2011-08-03)
A flow-through fluorescence optosensor with Sephadex G-50 microbeads as solid support is developed for the sensitive determination of tetracycline (TC). The fluorescent TC derivative encapsulated in CTAB micelle structures is retained onto the surface of the microbeads packed into a
Fernanda O Lemos et al.
European journal of dermatology : EJD, 21(5), 722-730 (2011-07-09)
Previous studies demonstrated that proteinases from latex of C. candamarcensis act as mitogens on fibroblast and epithelial cells and a subsequent report showed their protective, angiogenic and wound healing effects on gastric ulcers. In this study, we present evidence of
Ebru Akkemik et al.
Environmental toxicology and pharmacology, 34(3), 888-894 (2012-09-20)
The glutathione S-transferases (EC 2.5.1.18) were purified and characterized from turkey liver for the first time. The enzyme was purified 252.7-fold with a yield of 45%, with a specific activity of 164.31 U/mg from turkey liver. The purity of the
Xing-Bo Li et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 38(10), 1543-1547 (2013-08-21)
Sixteen compounds were isolated from Conioselinum vaginatum by silica column chromatography over silica gel and Sephadex LH-20, as well as recrystallization. On the basis of their physical and chemical properties and spectral data, their structures were identified as ligustilide (1)
Sanjiv K Mishra et al.
Protein expression and purification, 80(2), 234-238 (2011-07-13)
C-phycoerythrin was isolated and purified from marine Pseudanabaena sp. using two step chromatographic methods. Phycobiliproteins in the marine Pseudanabaena was extracted in 100 mM phosphate buffer (pH 7.2) and precipitated by salting out. The precipitated C-phycoerythrin was purified by gel
Veronika Horkova et al.
Cell reports, 30(5), 1504-1514 (2020-02-06)
Overtly self-reactive T cells are removed during thymic selection. However, it has been recently established that T cell self-reactivity promotes protective immune responses. Apparently, the level of self-reactivity of mature T cells must be tightly balanced. Our mathematical model and experimental data
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