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Lesley Hoyles et al.
Research in microbiology, 165(10), 803-812 (2014-12-03)
This work represents an investigation into the presence, abundance and diversity of virus-like particles (VLPs) associated with human faecal and caecal samples. Various methodologies for the recovery of VLPs from faeces were tested and optimized, including successful down-stream processing of...
Issues in Radiation Biology and Toxicology Research: 2013 Edition (2013)
Divyabharathi Chepyala et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 980, 48-54 (2015-01-16)
Recently, colistin has become one of the most important drugs for treating infections caused by multidrug-resistant Gram-negative bacteria. Therapeutic drug monitoring is recommended to ensure the safety and efficacy of colistin and to improve clinical outcomes. This study developed an...
Jill Deacon et al.
Journal of controlled release : official journal of the Controlled Release Society, 198, 55-61 (2014-12-08)
Inhaled antibiotics, such as tobramycin, for the treatment of Pseudomonas aeruginosa pulmonary infections are associated with the increase in life expectancy seen in cystic fibrosis (CF) patients over recent years. However, the effectiveness of this aminoglycoside is still limited by...
Tomoko Ariga et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 985, 48-53 (2015-02-07)
Iron (Fe) is an essential element for higher plants, which take it up from the soil at the root surface and transport it to shoots through the xylem. Fe(III) chelators, such as organic acids and phytosiderophores, play important roles in...
Berta Esteban-Fernández de Ávila et al.
Analytical and bioanalytical chemistry, 406(22), 5379-5387 (2014-06-24)
A novel strategy for the construction of a disposable integrated amperometric immunosensor for the sensitive and rapid determination of lipoprotein(a) (Lp(a)), an important predictor of cardiovascular disease risk, in human serum is reported. The approach uses a sandwich format involving...
Ilona Olędzka et al.
Journal of pharmaceutical and biomedical analysis, 102, 45-53 (2014-09-23)
The purpose of this work is the evaluation of the nutritional status of patients with cystic fibrosis (CF), based on the level of vitamin C in urine and vitamins A and E in serum, using the fast, selective and fully...
Asma Khoobi et al.
The Analyst, 139(16), 4064-4072 (2014-06-24)
A highly sensitive electrochemical nanosensor was developed using covalent modification of a glassy carbon electrode (GCE) by self-assembly of a novel Schiff base. Scanning electron microscopy (SEM) and electrochemical techniques were used to investigate the immobilization of the self-assembled monolayer...
Scott J Hughes et al.
Cellular signalling, 27(5), 1008-1018 (2015-03-01)
Equilibrative nucleoside transporter subtype 1 (ENT1) is critical for the regulation of the biological activities of endogenous nucleosides such as adenosine, and for the cellular uptake of chemotherapeutic nucleoside analogs. Previous studies have implicated protein kinase C (PKC) in the...
Casandra R Cox et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(39), 14057-14061 (2014-09-17)
Direct solar-to-fuels conversion can be achieved by coupling a photovoltaic device with water-splitting catalysts. We demonstrate that a solar-to-fuels efficiency (SFE) > 10% can be achieved with nonprecious, low-cost, and commercially ready materials. We present a systems design of a...
Sheng Tang et al.
Journal of chromatography. A, 1373, 31-39 (2014-12-02)
Layered double oxide hollow spheres (LDO-HSs) were synthesized and employed as a dissolvable sorbent in dispersive solid-phase extraction (DSPE) to extract eleven United States Environmental Protection Agency's priority phenols from aqueous samples. With their higher specific surface area, LDO-HSs showed...
Anne Bernhardt et al.
Medical mycology, 53(2), 132-144 (2015-01-01)
In a retrospective study, we investigated 52 formalin-fixed, paraffin-embedded (FFPE) samples from cats with histologically confirmed cutaneous and subcutaneous mycoses to determine if the pathogens could be identified by molecular methods. Aim of the study was to obtain a deep...
Albert Serrà et al.
ACS nano, 8(5), 4630-4639 (2014-05-03)
Electrodeposition from microemulsions using ionic liquids is revealed as a green method for synthesizing magnetic alloyed nanoparticles, avoiding the use of aggressive reducing agents. Microemulsions containing droplets of aqueous solution (electrolytic solution containing Pt(IV) and Co(II) ions) in an ionic...
Barbara Simonato et al.
Food chemistry, 174, 219-225 (2014-12-23)
The aim of this study was to assess the digestibility of the protein and starch in pasta made with different cereals, i.e. Triticum durum, Triticum polonicum and Triticum dicoccum, and to measure the glycemic index (GI) of the different types...
Martin Sundqvist et al.
APMIS : acta pathologica, microbiologica, et immunologica Scandinavica, 123(2), 152-155 (2014-10-30)
Increasing resistance calls for rapid antibiotic susceptibility testing (AST). This study validated the use of EUCAST breakpoints for AST using disk diffusion directly from urine samples. Two hundred and thirty-three urine samples with growth of varying amounts of Enterobacteriaceae were...
H Gül Akıllıoğlu et al.
Journal of agricultural and food chemistry, 62(46), 11289-11295 (2014-11-05)
This study aimed to investigate the effects of hydrophobic and ionic interactions on glycation of native and high-shear treated casein during heating. Casein-epicatechin and casein-calcium complexes were formed and glycated with glucose at different temperatures ranging from 70 to 150...
Lívia V Silva et al.
International journal of medical microbiology : IJMM, 304(8), 990-1000 (2014-08-16)
Pseudomonas aeruginosa is an opportunistic human pathogen responsible for causing a huge variety of acute and chronic infections with significant levels of morbidity and mortality. Its success as a pathogen comes from its genetic/metabolic plasticity, intrinsic/acquired antimicrobial resistance, capacity to...
Abdulselam Ertas et al.
Pharmaceutical biology, 53(3), 334-339 (2014-10-22)
In Turkey, Veronica species (Plantaginaceae) have been used as a diuretic and for wound healing in traditional medicine. To examine the fatty acid and essential oil profiles, the antioxidant, anticholinesterase, antimicrobial, and DNA damage effects of Veronica thymoides P.H. Davis...
Chao Sun et al.
PloS one, 9(10), e108839-e108839 (2014-10-07)
Inhibitors of the catalytic activity of the 20S proteasome are cytotoxic to tumor cells and are currently in clinical use for treatment of multiple myeloma, whilst the deubiquitinase activity associated with the 19S regulatory subunit of the proteasome is also...
Jing Qiu et al.
Chirality, 19(1), 51-55 (2006-11-08)
A chiral high-performance liquid chromatography method with diode array detector was developed and validated for stereoselective determination of benalaxyl (BX) in rabbit plasma. Good separation was achieved at 20 degrees C using cellulose tris-(3,5-dimethylphenylcarbamate) as chiral stationary phase, a mixture...
Lisa Fischer et al.
International journal of legal medicine, 129(2), 279-287 (2014-10-12)
Insurance agencies might request laboratories to differentiate whether a deceased has been a smoker or not to decide about refunding of his nonsmoker rate. In this context, the question on a solid proof of tobacco alkaloids and major metabolites in...
Boštjan Martinc et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 962, 82-88 (2014-06-08)
Therapeutic drug monitoring (TDM) of antiepileptic drugs (AEDs) has been recognized as a useful tool in management of epilepsy. We developed a simple analytical method for simultaneous determination of four second generation AEDs, including gabapentin (GBP), pregabalin (PGB), vigabatrin (VGB)...
Anirudh Sharma et al.
Nanotechnology, 26(13), 135102-135102 (2015-03-13)
We present non-cytotoxic, magnetic, Arg-Gly-Asp (RGD)-functionalized nickel nanowires (RGD-nanowires) that trigger specific cellular responses via integrin transmembrane receptors, resulting in dispersal of the nanowires. Time-lapse fluorescence and phase contrast microscopy showed that dispersal of 3 μm long nanowire increased by...
Gerard J Gaspard et al.
The Journal of biological chemistry, 290(14), 9284-9298 (2015-02-18)
The Saccharomyces cerevisiae TAZ1 gene is an orthologue of human TAZ; both encode the protein tafazzin. Tafazzin is a transacylase that transfers acyl chains with unsaturated fatty acids from phospholipids to monolysocardiolipin to generate cardiolipin with unsaturated fatty acids. Mutations...
Nilesh Raut et al.
Analytical chemistry, 87(5), 2608-2614 (2015-02-06)
Autoinducer-2 (AI-2) is a Quorum Sensing (QS) molecule utilized by bacteria in interspecies communication. More recently, it is identified to be vital in regulating QS pathways in a number of human and foodborne pathogens. Methods to detect AI-2 in a...
Han Yuan et al.
Analytical biochemistry, 474, 78-88 (2015-01-13)
Hyaluronan (HA) in human milk mediates host responses to microbial infection via TLR4- and CD44-dependent signaling. Signaling by HA is generally size specific. Because pure HA with average molecular mass (M) of 35 kDa can elicit a protective response in...
Marjolein S Kops et al.
Behavioural brain research, 268, 81-87 (2014-04-12)
Severe feather pecking (FP) is a detrimental behavior causing welfare problems in laying hens. Divergent genetic selection for FP in White Leghorns resulted in strong differences in FP incidences between lines. More recently, it was shown that the high FP...
Gous Miah et al.
Comptes rendus biologies, 338(2), 83-94 (2015-01-03)
Backcross breeding is the most commonly used method for incorporating a blast resistance gene into a rice cultivar. Linkage between the resistance gene and undesirable units can persist for many generations of backcrossing. Marker-assisted backcrossing (MABC) along with marker-assisted selection...
Lin Wang et al.
Journal of pharmaceutical and biomedical analysis, 104, 49-54 (2014-12-08)
Development of a robust HPLC method for pharmaceutical analysis can be very challenging and time-consuming. In our laboratory, we have developed a new workflow leveraging ACD/Labs software tools to improve the performance of HPLC method development. First, we established ACD-based...
Dominik Kołodziejski et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 75, 118-127 (2014-12-03)
One of the primary requirements in toxicology is the assessment of ability of chemicals to induce DNA covalent modification. There are several well-established methods used for this purpose such as (32)P-Postlabeling or HPLC-MS. However, all of these approaches have difficult...
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