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关键词:'271004'
显示 31-60 共 5538 条结果 关于 "271004" 范围 论文
Zoran S Ilić et al.
Journal of the science of food and agriculture, 95(13), 2660-2667 (2014-11-13)
The concept of photo-selective netting using commercial cultivation practices was studied in a tomato (Solanum lycopersicum 'Vedetta') summer cultivation in south Serbia (under high solar radiation 910 W m(-2) , with a photosynthetic photon flux density of 1661 µmol m(-2)
Lin Zhu et al.
Food chemistry, 194, 1320-1328 (2015-10-17)
Nearly 50% of naturally-occurring pyrrolizidine alkaloids (PAs) are hepatotoxic, and the majority of hepatotoxic PAs are retronecine-type PAs (RET-PAs). However, quantitative measurement of PAs in herbs/foodstuffs is often difficult because most of reference PAs are unavailable. In this study, a
Zhen-He Wang et al.
Pharmacology, 96(5-6), 290-295 (2015-11-07)
Cytochrome P450 (CYP450) 2D6 is an important member of the P450 enzyme superfamily and responsible for clearing 25% of clinically important drugs. The aim of this study was to assess the catalytic characteristics of 24 CYP2D6 allelic isoforms found in
Kristoffer Sahlholm et al.
Psychopharmacology, 232(18), 3443-3453 (2015-07-15)
Dopamine stabilizers have stimulatory actions under low dopamine tone and inhibitory actions under high dopamine tone without eliciting catalepsy. These compounds are dopamine D2 receptor (D2R) antagonists or weak partial agonists and may have pro-mnemonic and neuroprotective effects. The mechanism
Ping Du et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 967, 28-35 (2014-07-27)
Docetaxel lipid microsphere (DT-LM) is a novel formulation of docetaxel without Tween-80. A sensitive, robust and reproducible ultrafiltration (UF) followed by UPLC-MS/MS method was developed and validated for the quantification of unbound docetaxel in human plasma using paclitaxel as IS.
Morten S Opstrup et al.
Contact dermatitis, 72(1), 55-58 (2014-09-12)
Chlorhexidine may cause type I and type IV allergy. Some chlorhexidine-allergic individuals have been exposed in the healthcare setting as patients or healthcare workers, but for others the source of sensitization is unknown. Chlorhexidine may be used as a preservative
François Versace et al.
Bioanalysis, 6(15), 2043-2055 (2014-10-18)
Direct-infusion ESI-MS/MS is a powerful approach for the identification of substances in complex mixtures. The aim of this work was to investigate its applicability to the toxicological screening of blood samples. A simple protein precipitation was used, followed by a
Yan Liu et al.
Microbial cell factories, 14, 50-50 (2015-04-18)
The filamentous fungus Acremonium chrysogenum is an important industrial fungus and is used in the production of the β-lactam antibiotic cephalosporin C. Little is known regarding the molecular and biological mechanisms of how this industrial strain was improved by mutagenesis
Antonina Gucciardi et al.
Biomedical chromatography : BMC, 28(8), 1131-1139 (2014-01-23)
Lysosomal storage disorders comprise a group of rare genetic diseases in which a deficit of specific hydrolases leads to the storage of undegraded substrates in lysosomes. Impaired enzyme activities can be assessed by MS/MS quantification of the reaction products obtained
Yadollah Yamini et al.
Journal of separation science, 37(17), 2364-2371 (2014-06-26)
A new type of liquid-phase microextraction based on two immiscible organic solvents was optimized and validated for the quantification of lidocaine, ketamine, and cocaine in human urine samples. A hollow-fiber based microextraction technique followed by gas chromatography coupled with mass
Nicholas A Williams et al.
Journal of pharmaceutical sciences, 104(7), 2233-2240 (2015-05-20)
Intravesical oxybutynin is highly effective in the treatment of overactive bladder. Traditionally the mechanism of action was explained by antagonism of muscarinic receptors located in the detrusor, however evidence now suggests antimuscarinics may elicit their effect by modifying afferent pathways
Melpomeni Platani et al.
The Journal of cell biology, 210(1), 45-62 (2015-07-01)
Coordination of cell growth and proliferation in response to nutrient supply is mediated by mammalian target of rapamycin (mTOR) signaling. In this study, we report that Mio, a highly conserved member of the SEACAT/GATOR2 complex necessary for the activation of
Olga V Kryukova et al.
PloS one, 10(11), e0143455-e0143455 (2015-11-26)
Angiotensin-converting enzyme (ACE), which metabolizes many peptides and plays a key role in blood pressure regulation and vascular remodeling, as well as in reproductive functions, is expressed as a type-1 membrane glycoprotein on the surface of endothelial and epithelial cells.
Joanna Godzien et al.
Journal of proteome research, 14(8), 3204-3216 (2015-06-18)
Lipids are important components of biological systems, and their role can be currently investigated by the application of untargeted, holistic approaches such as metabolomics and lipidomics. Acquired data are analyzed to find significant signals responsible for the differentiation between the
Andrea Speltini et al.
Journal of chromatography. A, 1379, 9-15 (2015-01-07)
This work presents a novel analytical method based on graphene for the determination of five widely used fluoroquinolones (FQs) in aqueous matrices. The procedure entails solid-phase extraction (SPE) on graphene-derivatized silica (200mg), followed by liquid chromatography with fluorescence detection. Monolayer
M Corzo-Martínez et al.
Pharmaceutical research, 32(3), 1055-1071 (2014-10-02)
The aim of this work was to develop a milk-based powder formulation appropriate for pediatric delivery of ritonavir (RIT). Ultra-high pressure homogenization (UHPH) at 0.1, 300 and 500 MPa was used to process a dispersion of pasteurized skim milk (SM)
Knut Fredrik Seip et al.
Journal of chromatography. A, 1347, 1-7 (2014-05-06)
Electromembrane extraction (EME) was performed on samples containing substantial amounts of NaCl to investigate how the presence of salts affected the recovery, repeatability, and membrane current in the extraction system. A group of 17 non-polar basic drugs with various physical
Iwona Kowalska et al.
Journal of agricultural and food chemistry, 62(46), 11200-11208 (2014-10-31)
Fourteen phenolic compounds (flavonoids and phenolic acids) were isolated and 19 were identified in the aerial parts of Triticum aestivum L. The structures of these compounds were established on the basis of the data obtained by electrospray ionization-mass spectrometry (ESI-MS)
Zita Pöstényi et al.
Journal of pharmaceutical and biomedical analysis, 102, 529-534 (2014-12-03)
Validated HPLC analysis was developed in order to monitor the level of 4-fluorodeprenyl in rats. Male Wistar rats were intraperitoneally treated with 30 mg/kg of (-)-4-fluorodeprenyl. The rats were sacrificed after 5, 15, 30 and 60 min of treatment, and
Hongxin Cao et al.
Proteomics, 15(21), 3699-3710 (2015-08-11)
Kidney fibrosis (KF) is a common process that leads to the progression of various types of kidney disease including kidney-yang deficiency syndrome, however, little is known regarding the underlying biology of this disorder. Fortunately, integrated omics approaches provide the molecule
Scott Boitano et al.
PloS one, 9(6), e99140-e99140 (2014-06-14)
Protease-activated receptor-2 (PAR2) is a G-Protein Coupled Receptor (GPCR) activated by proteolytic cleavage to expose an attached, tethered ligand (SLIGRL). We evaluated the ability for lipid-tethered-peptidomimetics to activate PAR2 with in vitro physiological and Ca2+ signaling assays to determine minimal
Yongfang Yuan et al.
Journal of ethnopharmacology, 163, 31-38 (2015-01-18)
Asiatic acid is one of the main components in the herb Centella asiatica, which is a well-known herbal medicine for its excellent pharmacological effects. To enhance the development potentials of asiatic acid as a chemopreventative agent, there is a great
Elena Marangon et al.
PloS one, 10(2), e0118194-e0118194 (2015-02-18)
Irinotecan is currently used in several cancer regimens mainly in colorectal cancer (CRC). This drug has a narrow therapeutic range and treatment can lead to side effects, mainly neutropenia and diarrhea, frequently requiring discontinuing or lowering the drug dose. A
B W Sykes et al.
Journal of veterinary pharmacology and therapeutics, 38(2), 130-136 (2014-10-02)
The objectives were to document the pharmacokinetics of intravenous, enteric-coated oral and plain oral omeprazole in fasted horses and to investigate the impact of feeding on the bioavailability of an enteric-coated omeprazole. Twelve horses received four treatments: intravenous omeprazole (0.5 mg/kg)
Xiaoqiang Chen et al.
Environmental science and pollution research international, 22(4), 2788-2799 (2014-09-12)
Although bisphenol A (BPA), a representative endocrine-disrupting compound, has been detected frequently in landfill leachate, effective technologies for BPA removal from landfill leachates are limited. We used high silica Y-type zeolite (HSZ-385) for the selective adsorption of BPA from landfill
John E Schiel et al.
Journal of pharmaceutical sciences, 104(8), 2464-2472 (2015-06-09)
Monoclonal antibody therapeutics are a heterogeneous mixture of glycoforms. Multiple methods exist for defining the glycan composition and relative abundance of species present. In the current report, two MS-based methods were compared for their ability to both identify glycans and
Francisca O Gbormittah et al.
Journal of proteome research, 13(11), 4889-4900 (2014-09-04)
Clear cell renal cell carcinoma is the most prevalent of all reported kidney cancer cases, and currently there are no markers for early diagnosis. This has stimulated great research interest recently because early detection of the disease can significantly improve
Martin Bachman et al.
Nature chemistry, 6(12), 1049-1055 (2014-11-21)
5-Hydroxymethylcytosine (hmC) is an oxidation product of 5-methylcytosine which is present in the deoxyribonucleic acid (DNA) of most mammalian cells. Reduction of hmC levels in DNA is a hallmark of cancers. Elucidating the dynamics of this oxidation reaction and the
Atsuki Matsubara et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 969, 199-204 (2014-09-03)
The potential of supercritical fluid extraction (SFE) as a preparation method for mass spectrometry of dried blood spots (DBS) was examined. SFE is generally used for the extraction of hydrophobic compounds, but hydrophilic metabolites such as amino acids, amines, and
B S Lopez et al.
Journal of veterinary pharmacology and therapeutics, 38(2), 123-129 (2014-09-17)
The objectives of this study were to investigate the pharmacokinetics of danofloxacin and its metabolite N-desmethyldanofloxacin and to determine their concentrations in synovial fluid after administration by the intravenous, intramuscular or intragastric routes. Six adult mares received danofloxacin mesylate administered
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