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Showing 1-30 of 243 results for "320102" within Papers
Meiling Zhang et al.
Chemical & pharmaceutical bulletin, 62(6), 505-507 (2014-06-03)
Hydrogen sulfide (H2S) is the second leading cause of toxin-related deaths in the operational site. Its main target organs of toxic effects are the central nervous system and respiratory system. In this study, we developed a serum metabonomic method, based
Qiao Zhao et al.
Phytochemistry, 112, 170-178 (2014-08-12)
Pinoresinol reductase (PrR) catalyzes the conversion of the lignan (-)-pinoresinol to (-)-lariciresinol in Arabidopsis thaliana, where it is encoded by two genes, PrR1 and PrR2, that appear to act redundantly. PrR1 is highly expressed in lignified inflorescence stem tissue, whereas
G B Baker et al.
Journal of pharmacological and toxicological methods, 31(3), 141-148 (1994-06-01)
Acetylation with acetic anhydride, under both aqueous and anhydrous conditions, has been utilized to derivatize various biogenic amines and psychotropic drugs for subsequent analysis by gas chromatography (GC) or gas chromatography-mass spectrometry (GC-MS). Under basic aqueous conditions, acetic anhydride derivatizes
Sandeep Deshmukh et al.
Journal of chromatography. A, 1388, 1-8 (2015-03-01)
Accurate quantitation of compounds in samples of biological origin is often hampered by matrix interferences one of which occurs in GC-MS analysis from the presence of highly abundant phosphate. Consequently, high concentrations of phosphate need to be removed before sample
Rózsa Hegedüs et al.
Biopolymers, 104(3), 167-177 (2015-03-11)
Daunorubicin-GnRH-III bioconjugates have recently been developed as drug delivery systems with potential applications in targeted cancer chemotherapy. In order to improve their biochemical properties, several strategies have been pursued: (1) incorporation of an enzymatic cleavable spacer between the anticancer drug
Jing Fan et al.
ACS chemical biology, 10(2), 510-516 (2014-11-19)
Human d-3-phosphoglycerate dehydrogenase (PHGDH), the first enzyme in the serine biosynthetic pathway, is genomically amplified in tumors including breast cancer and melanoma. In PHGDH-amplified cancer cells, knockdown of PHGDH is not fully rescued by exogenous serine, suggesting possible additional growth-promoting
Fei Han et al.
International journal of biological macromolecules, 50(4), 1026-1034 (2012-03-10)
Acetylated corn starch (ACS) was synthesized by the reaction of native corn starch (NCS) with acetic anhydride (AA) in an aqueous medium in the presence of sodium hydroxide as a catalyst. The factors that could affect the degree of substitution
Yang Bai et al.
Molecular genetics and genomics : MGG, 290(4), 1247-1263 (2015-01-13)
Apple fruit acidity, which affects the fruit's overall taste and flavor to a large extent, is primarily determined by the concentration of malic acid. Previous studies demonstrated that the major QTL malic acid (Ma) on chromosome 16 is largely responsible
María José A Silva et al.
Applied biochemistry and biotechnology, 176(3), 782-795 (2015-04-16)
The ability of commercial immobilized lipase from Thermomyces lanuginosus (Lipozyme TL IM) to catalyze the acetylation of essential clove oil with acetic anhydride in a solvent-free system was studied, and the antimicrobial activity of the ester formed was evaluated as
Evert Njomen et al.
Protein and peptide letters, 22(10), 869-876 (2015-07-29)
Nuclear translocation of IGFBP3 by importin-β1 is a prerequisite for IGFBP3-induced apoptosis. The neuroprotective peptide humanin (HN) counteracts IGFBP3-induced cell death. However, the mechanism by which humanin protects cells is currently unknown. The natural synthesis of this peptide decreases with
Pan Yi et al.
Carbohydrate polymers, 121, 183-189 (2015-02-11)
In this work, crude polysaccharide extracts were obtained from mycelia of the edible fungus Ganoderma capense (Lloyd) Teng. After removal of proteins by the Sevage method, fractionation and purification by anion-exchange and gel-permeation chromatography, a polysaccharide (GCPB-3) was isolated. The
Utoomporn Surayot et al.
Bioscience, biotechnology, and biochemistry, 79(10), 1644-1653 (2015-05-15)
Sulfated polysaccharides (SP) isolated from freshwater green algae, Spirogyra neglecta (Hassall) Kützing, and fractionated SPs were examined to investigate their molecular characteristics and immunomodulatory activity. The crude and fractionated SPs (F1, F2, and F3) consisted mostly of carbohydrates (68.5-85.3%), uronic
Josep Marcos et al.
The Journal of steroid biochemistry and molecular biology, 152, 53-61 (2015-04-29)
The presence of two cysteinyl progestogens, 16-cysteinyl-progesterone (16-Cys-Prog) and 16-cysteinyl-pregnenolone (16-Cys-Preg), in human urine is described for the first time. Their occurrence was unequivocally confirmed by comparison with synthesized material by using mass spectrometric detectors. Several experiments were performed in
Anshita Rai et al.
Developmental biology, 398(1), 110-119 (2014-12-17)
The maternal blood space in the mouse placenta is lined not by endothelial cells but rather by various subtypes of trophoblast giant cells (TGCs), defined by their location and different patterns of gene expression. While TGCs invade the spiral arteries
Bilal Yilmaz et al.
Journal of AOAC International, 97(4), 1061-1066 (2014-08-26)
This paper describes a GCIMS method for the determination of flurbiprofen in human plasma. Flurbiprofen and internal standard ibuprofen were extracted from plasma by using a liquid-liquid extraction method. Derivatization was carried out using N-Methyl-N-(trimethylsilyl)trifluoroacetamide. The calibration curve was linear
Pallavi Bhattaram et al.
The Journal of cell biology, 207(5), 657-671 (2014-12-03)
Canonical WNT signaling stabilizes β-catenin to determine cell fate in many processes from development onwards. One of its main roles in skeletogenesis is to antagonize the chondrogenic transcription factor SOX9. We here identify the SOXC proteins as potent amplifiers of
Nahidh Al-Jaberi et al.
Cerebral cortex (New York, N.Y. : 1991), 25(3), 631-645 (2013-09-21)
GABAergic interneurons are crucial to controlling the excitability and responsiveness of cortical circuitry. Their developmental origin may differ between rodents and human. We have demonstrated the expression of 12 GABAergic interneuron-associated genes in samples from human neocortex by quantitative rtPCR
Devin H Currie et al.
BMC systems biology, 9, 30-30 (2015-06-27)
Thermoanaerobacterium saccharolyticum is a hemicellulose-degrading thermophilic anaerobe that was previously engineered to produce ethanol at high yield. A major project was undertaken to develop this organism into an industrial biocatalyst, but the lack of genome information and resources were recognized
Hao Xu et al.
Stem cells and development, 24(22), 2723-2732 (2015-07-15)
Excitatory commissural V3 interneurons (INs) of the ventral spinal cord have been shown to balance locomotor rhythm regularity and robustness in vivo. Unfortunately, due to the scarcity of these cells in the spinal cord, in vitro studies of dissociated V3
Maj-Len Henriks-Eckerman et al.
Toxicology letters, 232(3), 595-600 (2014-12-30)
The causal relationship between inhalation exposure to methylenediphenyl diisocyanate (MDI) and the risk of occupational asthma is well known, but the role of dermal exposure and dermal uptake of MDI in this process is still unclear. The aims of this
Kishore Baathulaa et al.
Nature protocols, 6(12), 1990-1997 (2011-12-03)
Environment-sensitive fluorophores have different quantum yields in different solvents. 6-Dimethylaminonaphthalimide (6-DMN), for example, has a low quantum yield in aqueous solutions, but is highly fluorescent in nonpolar solvents or when bound to hydrophobic sites in proteins or membranes. 6-DMN has
Margit Drapal et al.
Journal of microbiological methods, 106, 23-32 (2014-08-12)
In order to decipher the complex biological networks underlying biochemical and physiological processes, cellular regulation at all levels must be studied. The metabolites determined by metabolomics represent the end-point of cellular regulation and thus vital components of any integrative network.
Kai Lun Chang et al.
PloS one, 9(8), e104621-e104621 (2014-08-08)
Findings from epidemiology, preclinical and clinical studies indicate that consumption of coffee could have beneficial effects against dementia and Alzheimer's disease (AD). The benefits appear to come from caffeinated coffee, but not decaffeinated coffee or pure caffeine itself. Therefore, the
Koji Nagahama et al.
Bioconjugate chemistry, 26(8), 1775-1781 (2015-07-24)
The design and synthesis of materials capable of activating the immune system in a safe manner is of great interest in immunology and related fields. Lactobacilli activate the innate immune system of a host when acting as probiotics. Here, we
Marlene Vila et al.
Journal of chromatography. A, 1405, 12-22 (2015-06-21)
A methodology based on pressurized liquid extraction (PLE) followed by gas chromatography-tandem mass spectrometry (GC-MS/MS) has been developed for the simultaneous analysis of different classes of UV filters including methoxycinnamates, benzophenones, salicylates, p-aminobenzoic acid derivatives, and others in cosmetic products.
Harilaos Damianakos et al.
Journal of AOAC International, 97(5), 1244-1249 (2015-04-24)
Four Greek endemic Boraginaceae plants, Onosma erecta Sibth. & Sm., Onosma kaheirei Teppner, Onosma leptantha Heldr., and Cynoglossum columnae L. (aerial parts), were screened for their content of pyrrolizidine alkaloids (PAs). TLC with the Mattocks-Molyneux visualization reagent was used as
Miles Trupp et al.
Journal of Parkinson's disease, 4(3), 549-560 (2014-06-15)
Parkinson's disease (PD) is a progressive, multi-focal neurodegenerative disease for which there is no effective disease modifying treatment. A critical requirement for designing successful clinical trials is the development of robust and reproducible biomarkers identifying PD in preclinical stages. To
Keyvan Dastmalchi et al.
Journal of agricultural and food chemistry, 63(30), 6810-6822 (2015-07-15)
The cultivation, storage, and distribution of potato tubers are compromised by mechanical damage and suboptimal healing. To investigate wound-healing progress in cultivars with contrasting russeting patterns, metabolite profiles reported previously for polar tissue extracts were complemented by GC/MS measurements for
Sang Woo Kim et al.
PloS one, 10(3), e0120296-e0120296 (2015-03-24)
Non-coding RNAs (ncRNAs) play major roles in development and cancer progression. To identify novel ncRNAs that may identify key pathways in breast cancer development, we performed high-throughput transcript profiling of tumor and normal matched-pair tissue samples. Initial transcriptome profiling using
Chao Zhao et al.
Nature communications, 5, 5079-5079 (2014-10-07)
The remarkable stability of peptide nucleic acids (PNAs) towards enzymatic degradation makes this class of molecules ideal to develop as part of a diagnostic device. Here we report the development of chemically engineered PNAs for the quantitative detection of HIV
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