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Zhengwei Zhou et al.
Journal of pharmaceutical and biomedical analysis, 106, 37-45 (2014-07-27)
The performance of ferrate(VI) in treating sulfamethoxazole (SMX), diclofenac (DCF), carbamazepine (CBZ) and bezafibrate (BZF) in test solutions containing the four compounds was investigated. A series of jar-test experiments was performed on a bench-scale at pH 6-9 and at a
Lolo Wal Marzan et al.
Archives of microbiology, 195(3), 161-171 (2013-01-01)
Effect of acidic condition on the fermentation characteristics was investigated by the continuous culture of Escherichia coli. In accordance with down-regulation of crp gene transcript level as well as up-regulation of arcA, the expressions of the TCA cycle genes were
Efrem T Abay et al.
Malaria journal, 14, 8-8 (2015-01-08)
Even though malaria is a completely preventable and treatable disease, it remains a threat to human life and a burden to the global economy due to the emergence of multiple-drug resistant malaria parasites. According to the World Malaria Report 2013
Mohd Zulkhairi Mohd Yusoff et al.
Biochemical and biophysical research communications, 439(4), 576-579 (2013-09-13)
Pseudogenes are considered to be nonfunctional genes that lack a physiological role. By screening 3985 Escherichia coli mutants using chemochromic membranes, we found four pseudogenes involved in hydrogen metabolism. Knockouts of pseudogenes ydfW and ypdJ had a defective hydrogen phenotype
Ying Dong et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 957, 30-35 (2014-03-25)
Glycerol has the latent capacity to act as a plasma volume expander and disguise blood doping practices. Therefore, it has been prohibited in sports as a masking agent by the World Anti-Doping Agency (WADA) since January 2010 and a urinary
Valentina Pirro et al.
Therapeutic drug monitoring, 36(6), 796-807 (2014-04-10)
Buprenorphine (BUP) is a psychoactive pharmaceutical drug largely used to treat opiate addiction. Short-term therapeutic monitoring is supported by toxicological analysis of blood and urine samples, whereas long-term monitoring by means of hair analysis is rarely used. Aim of this
Shunli Ji et al.
The Analyst, 139(21), 5594-5599 (2014-09-03)
A facile method to prepare a polar stationary phase for hydrophilic interaction chromatography (HILIC) was proposed by coating polyvinyl alcohol onto silica particles (PVA-Sil). A water or organic solvent-insoluble permanent PVA coating on the silica particle surface can be formed
Dietmar Reusch et al.
mAbs, 7(1), 167-179 (2014-12-20)
Immunoglobulin G (IgG) crystallizable fragment (Fc) glycosylation is crucial for antibody effector functions, such as antibody-dependent cell-mediated cytotoxicity, and for their pharmacokinetic and pharmacodynamics behavior. To monitor the Fc-glycosylation in bioprocess development, as well as product characterization and release analytics
Jay G Tarolli et al.
Journal of the American Society for Mass Spectrometry, 25(12), 2154-2162 (2014-06-11)
The spatial resolution of chemical images acquired with cluster secondary ion mass spectrometry (SIMS) is limited not only by the size of the probe utilized to create the images but also by detection sensitivity. As the probe size is reduced
Ana Masiá et al.
Journal of chromatography. A, 1345, 86-97 (2014-05-06)
Ultra-high pressure liquid chromatography-quadrupole time-of-flight mass spectrometry (UHPLC-QqTOF-MS) acquiring full scan MS data for quantification, and automatic data dependent information product ion spectra (IDA-MS/MS) without any predefinition of the ions by the user was checked for identifying organic contaminants in
Ganesh S Moorthy et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 971, 30-34 (2014-09-30)
We describe a selective and highly sensitive high-performance liquid chromatography-electrospray ionization-collision induced dissociation-tandem mass spectrometry (HPLC-ESI-CID-MS/MS) assay for the pan-antiapoptotic Bcl-2 family inhibitor, obatoclax, in human plasma. Fifty μL plasma specimens were prepared by addition of extraction solution consisting of
Nicholas J Lodge et al.
Nuclear medicine and biology, 41(6), 524-535 (2014-05-06)
A radioligand for measuring the density of corticotropin-releasing factor subtype-1 receptors (CRF1 receptors) in living animal and human brain with positron emission tomography (PET) would be a useful tool for neuropsychiatric investigations and the development of drugs intended to interact
Yanbo Wei et al.
The Analyst, 140(4), 1298-1305 (2015-01-09)
A very uniform 2,5-dihydroxybenzoic acid (DHB) layer was for the first time constructed and used as a matrix for matrix-assisted laser desorption ionization Fourier transform ion cyclotron resonance mass spectrometry (MALDI-FTICR MS) for quickly exploring the changes in lipids within
Lydia Beyer et al.
Journal of bacteriology, 195(7), 1428-1435 (2013-01-22)
Enterobacteria such as Escherichia coli generate formate, lactate, acetate, and succinate as major acidic fermentation products. Accumulation of these products in the cytoplasm would lead to uncoupling of the membrane potential, and therefore they must be either metabolized rapidly or
Uta Ceglarek et al.
Clinica chimica acta; international journal of clinical chemistry, 435, 1-6 (2014-04-29)
Preanalytical standardization is required for a reliable quantification of the signaling molecules sphingosine-1-phosphate (S1P), sphinganine-1-phosphate (SA1P) and sphingosine (SPH). Methanolic protein precipitation of 15μL EDTA-plasma was applied prior to analysis. Sphingolipids were separated in 3min by hydrophilic interaction liquid chromatography
N Venisse et al.
Talanta, 125, 284-292 (2014-05-21)
Bisphenol A (BPA), a widespread man-made chemical classified as an endocrine disruptor, is increasingly considered as a major cause of concern for human health. Chlorine present in drinking water may react with BPA to form chlorinated derivatives (ClxBPA), which have
A Mena-Bravo et al.
Clinica chimica acta; international journal of clinical chemistry, 442, 6-12 (2015-01-13)
A method for quantitative analysis of vitamin D (both D2 and D3) and its main metabolites - monohydroxylated vitamin D (25-hydroxyvitamin D2 and 25-hydroxyvitamin D3) and dihydroxylated metabolites (1,25-dihydroxyvitamin D2, 1,25-dihydroxyvitamin D3 and 24,25-dihydroxyvitamin D3) in human serum is here
Rapid debenzylation of N-benzylamino derivatives to amino-derivatives using ammonium formate as catalytic hydrogen transfer agent.
Ram S and Spicer LD.
Tetrahedron Letters, 28(5), 515-516 (1987)
Bio-inspired catalytic imine reduction by rhodium complexes with tethered Hantzsch pyridinium groups: evidence for direct hydride transfer from dihydropyridine to metal-activated substrate.
Alex McSkimming et al.
Angewandte Chemie (International ed. in English), 52(12), 3411-3416 (2013-02-27)
Pau Calatayud-Vernich et al.
The Science of the total environment, 541, 33-41 (2015-09-24)
Samples of dead honey bees (Apis mellifera L.) were collected periodically from 4 different locations during citrus and stone fruit trees blooming season to evaluate the potential impact of agrochemicals on honey bee death rate. For the determination of mortality
Sara Boenzi et al.
Clinica chimica acta; international journal of clinical chemistry, 437, 93-100 (2014-07-20)
Two oxysterols, cholestan-3β,5α,6β-triol (C-triol) and 7-ketocholesterol (7-KC), have been recently proposed as diagnostic markers of Niemann-Pick type C (NP-C) disease, representing a potential alternative diagnostic tool to the more invasive and time consuming filipin test in cultured fibroblasts. Usually, the
Vera Hillewaert et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 981-982, 40-47 (2015-01-21)
Tapentadol is a novel, centrally acting analgesic with 2 mechanisms of action, MOR agonism and noradrenaline (NA) reuptake inhibition in a single molecule. It is the first member of a new therapeutic class, MOR-NRI. A high throughput liquid chromatography-tandem mass
Microbiology. An enzymatic route to H2 storage.
Inês A C Pereira
Science (New York, N.Y.), 342(6164), 1329-1330 (2013-12-18)
Ting Yang et al.
Water research, 47(3), 1299-1307 (2013-01-02)
Nitrate is often removed from groundwater by ion exchange (IX) before its use as drinking water. Accumulation of nitrate in IX brine reduces the efficiency of IX regeneration and the useful life of the regeneration brine. For the first time
Nicholas Schramek et al.
Journal of pharmaceutical and biomedical analysis, 96, 45-53 (2014-04-15)
A dietary supplement sold in erotic shops was analysed. It contains dithiodesmethylcarbodenafil as the major component, which was already reported as an adulterant in dietary supplements. Additionally three more compounds were found and their structures were elucidated after isolation using
Martina Bolechová et al.
Food chemistry, 170, 265-270 (2014-10-13)
Alkaloids known as secondary metabolites are grouped by typical structural characteristics into large families such as pyrrolizidine alkaloids (PAs) comprising more than 350 individual heterocyclic compounds. The PAs present a serious health risk to human and livestock; hence there is
Erik Hanff et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 970, 44-52 (2014-09-23)
A specific, sensitive and fast LC-MS/MS method with positive electrospray ionization for the quantitative determination of nitrite in human plasma is reported. Added [(15)N]nitrite served as the internal standard (IS). Endogenous nitrite and IS were converted to their S-nitrosoglutathione (GSNO)
Masaru Sugita et al.
The AAPS journal, 16(5), 1119-1127 (2014-07-30)
This study sought to understand the reasons for the bioinequivalence of a newly developed generic product of pioglitazone hydrochloride and to improve its formulation so that it is equivalent to that of the reference listed drug (RLD). In this clinical
Sai Duan et al.
Physical chemistry chemical physics : PCCP, 15(13), 4625-4633 (2013-02-21)
Local structures and adsorption energies of a formic acid molecule and its decomposed intermediates (H, O, OH, CO, HCOO, and COOH) on highly electrocatalytically active mushroom-like Au-core@Pd-shell@Pt-cluster nanoparticles with two atomic layers of the Pd shell and stoichiometric Pt coverage
T Paalme et al.
World journal of microbiology & biotechnology, 30(9), 2351-2359 (2014-05-02)
The uptake and accumulation of the B-group vitamins thiamine, riboflavin, nicotinamide, pantothenic acid and pyridoxine in Saccharomyces cerevisiae was studied by gradually increasing the specific dosage of vitamins in an ethanol-stat fed-batch culture. Thiamine, nicotinamide, pantothenic acid, and pyridoxine were
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