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Showing 1-30 of 61 results for "G25150" 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
Myoglobin extraction from mammalian skeletal muscle and oxygen affinity determination under physiological conditions
Wright TJ, et al.
Protein Expression and Purification, 107, 50-55 (2015)
Stimulation of vitamin K-dependent carboxylation by pyridoxal-5'-phosphate.
A Dubin et al.
Biochemical and biophysical research communications, 88(3), 1024-1029 (1979-06-13)
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
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
Rate constants for intramolecular electron-transfer reactions of ruthenium-modified histidine mutants of cytochrome b2.
Lloyd, E., et al.
Dalton Transactions, 675-681 (1994)
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
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
P R Howard et al.
Clinical chemistry, 34(2), 324-330 (1988-02-01)
A monoclonal-antibody-based competitive radioimmunoassay for measuring human protein C is reported. With use of a purified protein C standard, the solid-phase assay was sensitive to less than 80 micrograms of protein C per liter. Intraassay CVs ranged from 5% to
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
Maarten Hardenberg et al.
Proceedings of the National Academy of Sciences of the United States of America, 117(52), 33254-33262 (2020-12-16)
A wide range of proteins have been reported to condensate into a dense liquid phase, forming a reversible droplet state. Failure in the control of the droplet state can lead to the formation of the more stable amyloid state, which
Characterization of endometrial receptors for ovine trophoblast protein-1 during the estrous cycle and early pregnancy in sheep
Knickerbocker JJ and Niswender GD
Biology of Reproduction, 40(2), 361-369 (1989)
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)
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
S F Wright et al.
Analytical biochemistry, 139(1), 82-90 (1984-05-15)
A method for the chemical modification of gamma-carboxyglutamic acid (Gla) residues in proteins is introduced that has the combined advantages of mildness, a high degree of specificity, and the ability to introduce a radiolabel at modification sites for ease in
Traver J Wright et al.
The Journal of experimental biology, 218(Pt 14), 2180-2189 (2015-05-20)
Myoglobin (Mb) is an oxygen binding protein found in vertebrate skeletal muscle, where it facilitates intracellular transport and storage of oxygen. This protein has evolved to suit unique physiological needs in the muscle of diving vertebrates that express Mb at
P M G Paiva et al.
Bioresource technology, 88(1), 75-79 (2003-02-08)
A highly purified trypsin inhibitor was obtained from Echinodorus paniculatus when an extract prepared from E. paniculatus seed flour (25 gl(-1), with 0.1 M ammonium acetate buffer, pH 8.3, under agitation for 6 min at 28 degrees C) was chromatographed
Zhifeng Huang et al.
Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society, 19(5), 633-644 (2011-11-19)
Molecular modification with polyethylene glycol (PEGylation) is an effective approach to improve protein biostability, in vivo lifetime and therapeutic potency. In the present study, the recombinant human acid fibroblast growth factor (rhaFGF) was site-selectively PEGylated with 20 kDa mPEG-butyraldehyde. Mono-PEGylated rhaFGF
David R Halpin et al.
PLoS biology, 2(7), E173-E173 (2004-06-29)
Recently reported technologies for DNA-directed organic synthesis and for DNA computing rely on routing DNA populations through complex networks. The reduction of these ideas to practice has been limited by a lack of practical experimental tools. Here we describe a
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
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
J J Knickerbocker et al.
Biology of reproduction, 40(2), 361-369 (1989-02-01)
Scatchard analysis was used to determine the distribution, number, and affinity of unoccupied receptors for ovine trophoblast protein-1 (oTP-1) in endometrium of sheep throughout the estrous cycle and early pregnancy. In Experiment I, oTP-1 receptor characteristics were determined in membrane
Lorilee S L Arakaki et al.
Applied spectroscopy, 74(10), 1263-1273 (2020-07-15)
In critically ill patients, direct knowledge of intracellular pO2 would allow for identification of cellular hypoxia, which when prolonged leads to organ failure. We have developed a visible-near-infrared optical system that noninvasively measures myoglobin saturation, which is directly related to
Thomas Jue et al.
Journal of physiology and biochemistry, 73(3), 359-370 (2017-03-31)
Recent studies have suggested myoglobin (Mb) may have other cellular functions in addition to storing and transporting O
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
Zhifeng Huang et al.
Journal of biotechnology, 142(3-4), 242-249 (2009-05-30)
Recombinant human keratinocyte growth factor 2 (rhKGF-2) is a member of fibroblast growth factor protein family currently being investigated for its promising significant effects in treating epithelial damage. Molecular modification with polyethylene glycol (PEGylation) is an effective approach to improve
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)
L R Hale et al.
Genetics, 129(1), 103-117 (1991-09-01)
Preliminary studies with restriction fragment length polymorphisms of mitochondrial DNA (mtDNA) in natural populations of Drosophila melanogaster revealed considerable variation in terms of nucleotide sequence and overall size. In this report we present data from more isofemale lines and more
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