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Showing 1-30 of 495 results for "34877" within Papers
Małgorzata Cebo et al.
Analytical and bioanalytical chemistry, 406(30), 8013-8020 (2014-10-31)
Isotope exchange at the histidine C2 atom of imidazole in D2O solution is well known to occur at a significantly slower rate than the exchange of amide protons. Analysis of the kinetics of this isotope-exchange reaction is proposed herein as
Christoph Janiak et al.
Chimia, 67(6), 419-424 (2013-08-16)
Porous coordination polymers (PCPs)/metal-organic frameworks (MOFs) are inorganic-organic hybrid materials with a permanent three-dimensional porous metal-ligand network. PCPs or MOFs are inorganic-organic analogs of zeolites in terms of porosity and reversible guest exchange properties. Microporous water-stable PCPs with high water
Yanliang Tan et al.
Health physics, 107(3), 255-260 (2014-07-30)
Generally, 88% of the freshly generated 218Po ions decayed from 222Rn are positively charged. These positive ions become neutralized by recombination with negative ions, and the main source of the negative ions is the OH- ions formed by radiolysis of
Sorina Motoc et al.
Journal of environmental sciences (China), 25(4), 838-847 (2013-08-09)
This work describes the electrochemical behaviour of ibuprofen on two types of multi-walled carbon nanotubes based composite electrodes, i.e., multi-walled carbon nanotubes-epoxy (MWCNT) and silver-modified zeolite-multi-walled carbon nanotubes-epoxy (AgZMWCNT) composites electrodes. The composite electrodes were obtained using two-roll mill procedure.
Kevin Kennedy et al.
Current allergy and asthma reports, 13(6), 672-680 (2013-11-20)
Exposure to dampness and mold in indoor environments has received significant attention in recent research. This review focuses on studies looking at the impact of dampness, moisture and microbial agents on children's health. We then look more broadly at how
Meng Xu et al.
Journal of environmental sciences (China), 25(3), 479-486 (2013-08-08)
Hydrous manganese dioxide (HMO) synthesized by redox of potassium permanganate and hydrogen peroxide was used as an adsorbent for Pb(II) removal. The specific surface area, pore volume and BJH pore diameter of the HMO were 79.31 m2/g, 0.07 cm3/g and
Rossella Melchiotti et al.
BMC medical genetics, 15, 73-73 (2014-06-28)
Extracellular ATP is a pro-inflammatory molecule released by damaged cells. Regulatory T cells (Treg) can suppress inflammation by hydrolysing this molecule via ectonucleoside triphosphate diphosphohydrolase 1 (ENTPD1), also termed as CD39. Multiple studies have reported differences in CD39+ Treg percentages
Chang Soo Eun et al.
Helicobacter, 19(6), 407-416 (2014-07-24)
Helicobacter pylori (H. pylori) infection plays an important role in the early stage of cancer development. However, various bacteria that promote the synthesis of reactive oxygen and nitrogen species may be involved in the later stages. We aimed to determine
Nirupam Purkayastha et al.
Chemistry & biodiversity, 12(2), 179-193 (2015-02-14)
β(3) -Octaarginine chains were attached to the functional groups NH and CO2 H of the antibacterial fluoroquinolones ciprofloxacin (→1) and enrofloxacin (→2), respectively, in order to find out whether the activity increases by attachment of the polycationic, cell-penetrating peptide (CPP)
Daniel Zewge et al.
Bioconjugate chemistry, 25(12), 2222-2232 (2014-11-15)
Chemical modification of siRNA is achieved in a high-throughput manner (96-well plate format) by copper catalyzed azide-alkyne cycloadditions. This transformation can be performed in one synthetic operation at up to four positions with complete specificity, good yield, and acceptable purity.
Beata Stanisz et al.
Acta poloniae pharmaceutica, 70(4), 737-742 (2013-08-08)
This study investigates the impact of relative air humidity and temperature on the stability of imidapril hydrochloride (IMD) tablets. For this purpose the forced degradation test was used and the following environmental conditions were employed: RH = 76.4% and the
Hanmei Hu et al.
Journal of nanoscience and nanotechnology, 14(6), 4462-4468 (2014-04-18)
A mild one-pot hydrothermal route has been successfully designed to controllably prepare orthorhombic alpha-MoO3 nanobelts and monoclinic MoO2 microaxletrees respectively by adjusting the dosage of (NH4)6M07O24 x 4H2O (AHM). The products are characterized by X-ray diffraction (XRD), field-emission scanning electron
Bo-Ram Kim et al.
Tissue engineering. Part A, 20(23-24), 3279-3289 (2014-06-18)
To confirm the effect of recombinant human bone morphogenetic protein-2 (BMP-2) for bone regeneration, BMP-2-loaded polycaprolactone (PCL)-gelatin (Gel)-biphasic calcium phosphate (BCP) fibrous scaffolds were fabricated using the electrospinning method. The electrospinning process to incorporate BCP nanoparticles into the PCL-Gel scaffolds
Daolin Sun et al.
Journal of environmental sciences (China), 25(3), 460-465 (2013-08-08)
There are regular problems of musty odor in the Huangpu River, a major source of drinking water for Shanghai, China. In this study, the musty odor and its main causative compounds in the Huangpu River source water were confirmed through
Establishing the stability and reversibility of protein pyrophosphorylation with synthetic peptides.
Lisa M Yates et al.
Chembiochem : a European journal of chemical biology, 16(3), 415-423 (2015-02-03)
Protein pyrophosphorylation is emerging as a new post-translational modification, yet its role in cellular signaling remains poorly characterized. Important factors in determining the biological relevance of pyrophosphorylation include understanding the chemical and biochemical stability of the pyrophosphoryl group and elucidating
J A Cottrell et al.
Bone & joint research, 2(2), 41-50 (2013-04-24)
Recent studies have shown that modulating inflammation-related lipid signalling after a bone fracture can accelerate healing in animal models. Specifically, decreasing 5-lipoxygenase (5-LO) activity during fracture healing increases cyclooxygenase-2 (COX-2) expression in the fracture callus, accelerates chondrogenesis and decreases healing
Li Li et al.
Journal of nanoscience and nanotechnology, 14(6), 4313-4319 (2014-04-18)
Lutetium oxide nanocrystals codoped with Tm3+ and Yb3+ have been successfully synthesized via adjusting the pH values of the precursor solution in a hydrothermal method followed by a subsequent calcination process. The samples were systematically characterized by X-ray diffraction, field-emission
Jin Young Park et al.
Psychiatry research, 224(1), 49-57 (2014-08-12)
The development of diffusion tensor imaging (DTI) has provided information about microstructural changes in the brain. Most DTI studies have focused on white matter (WM). Few DTI studies have examined the gray matter (GM) in schizophrenia and, to date, there
Y Ohira et al.
Journal of applied physiology: respiratory, environmental and exercise physiology, 42(5), 739-743 (1977-05-01)
Eleven, healthy male students were subjected to an exhaustive bicyle ergometer exercise. Many parameters of hemoconcentration were examined in blood and urine samples which were collected before and after exercise. In an exercise lasting approximately 10 min, it was found
Umaima Al-Alem et al.
PloS one, 9(11), e112916-e112916 (2014-11-26)
Non-Hispanic (nH) Black and Hispanic women are disproportionately affected by early onset disease, later stage, and with more aggressive, higher grade and ER/PR negative breast cancers. The purpose of this analysis was to examine whether genetic ancestry could account for
Johannes Wohlrab et al.
Skin pharmacology and physiology, 28(2), 65-74 (2014-10-04)
Epicutaneous application of capsaicin causes a long-lasting analgesic effect by binding to the membrane transient receptor potential vanilloid 1 (TRPV1) on mechanoheat-sensitive C and Aδ fibres, changing axonal integrity and inhibiting neurogenic inflammatory processes. To date, no information is available
Blessing Okai et al.
Infection and immunity, 83(4), 1523-1535 (2015-02-04)
Avoidance of innate immune defense is an important mechanism contributing to the pathogenicity of microorganisms. The fungal pathogen Candida albicans undergoes morphogenetic switching from the yeast to the filamentous hyphal form following phagocytosis by macrophages, facilitating its escape from the
Ronaldo Hirata et al.
The International journal of prosthodontics, 27(4), 359-362 (2014-07-11)
This study aimed to evaluate the survival probability of four narrow-diameter implant systems when subjected to fatigue loading. Seventy-two narrow-diameter implants to be restored with single-unit crowns were divided into four groups (n = 18): Astra Tech (3.5-mm diameter), with
Hui Cai et al.
Chembiochem : a European journal of chemical biology, 16(6), 959-967 (2015-03-11)
Mucin glycoproteins are important diagnostic and therapeutic targets for cancer treatment. Although several strategies have been developed to explore anti-tumor vaccines based on MUC1 glycopeptides, only few studies have focused on vaccines directed against the tumor-associated MUC4 glycoprotein. MUC4 is
T B Musso et al.
Environmental technology, 34(17-20), 2465-2476 (2014-02-18)
Earthen layers play a significant role in isolating contaminants in the subsurface, controlling the migration of contaminant plumes, and as landfill liners and covers. The physical, chemical and mineralogical properties of three calcareous mudstones from the Jagüel and Roca formations
Anna Gadaj et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 32(2), 180-193 (2014-11-06)
The depletion of three banned nitroimidazole drugs - dimetridazole (DMZ), metronidazole (MNZ) and ronidazole (RNZ) - was investigated in black tiger shrimp (Penaeus monodon) following in-water medication. The highest concentrations of residues were measured immediately after the 24-h immersion (d0).
Jianghua Yu et al.
Water environment research : a research publication of the Water Environment Federation, 85(7), 596-603 (2013-08-16)
A synthetic-fiber barrier for the removal of turbidity in water was developed and tested using a laboratory scale channel. The effects of hydraulics (flow rate and exchange rate); density current caused by temperature and turbidity difference; barrier conditions (thickness, number
Maryam Ghanbarian et al.
Journal of AOAC International, 96(4), 880-886 (2013-09-05)
A new displacement-dispersive liquid-liquid microextraction method based on the solidification of floating organic drop was developed for separation and preconcentration of Pd(ll) in road dust and aqueous samples. This method involves two steps of dispersive liquid-liquid microextraction based on solidification.
K Krishna Surendar et al.
Pakistan journal of biological sciences : PJBS, 16(24), 1997-2002 (2014-02-13)
The main aim for this field experimental study is to screening of various banana cultivars and hybrids for water deficit tolerance through antioxidative enzymes and yield. The field experiment was conducted at National Research Centre for Banana to screen the
Lydia E H Paul et al.
Organic & biomolecular chemistry, 13(3), 946-953 (2014-11-21)
Interactions between three hexacationic arene ruthenium metallaprisms, [(p-cymene)6Ru6(tpt)2(dhnq)3](6+), [(p-cymene)6Ru6(tpt)2(dhbq)3](6+) and [(p-cymene)6Ru6(tpt)2(oxa)3](6+), and a series of human proteins including human serum albumin, transferrin, cytochrome c, myoglobin and ubiquitin have been studied using NMR spectroscopy, mass spectrometry and circular dichroism spectroscopy. All
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