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关键词:'34877'
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34877

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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
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
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
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
Mohammed Auwal Ibrahim et al.
Acta poloniae pharmaceutica, 70(4), 709-719 (2013-08-08)
The present study was conducted to investigate the anti-oxidative activities of different solvent extracts of Cassia singueana parts. Our results indicate that all the extracts have reducing power (Fe3+ --> Fe2+) and DPPH radical scavenging abilities. However, the ethyl acetate
Chieh-Jui Tsou et al.
Nanoscale, 7(9), 4217-4225 (2015-02-13)
Continuous and simultaneous 3D single-particle movement and local pH detection in HeLa cells were demonstrated for the first time by combining fluorescent mesoporous silica nanoparticles (FMSNs) and a single-particle tracking (SPT) technique with a precision of ∼10 nm. FMSNs, synthesized
Klaus Gerwert et al.
Biochimica et biophysica acta, 1837(5), 606-613 (2013-09-24)
Protein-bound internal water molecules are essential features of the structure and function of microbial rhodopsins. Besides structural stabilization, they act as proton conductors and even proton storage sites. Currently, the most understood model system exhibiting such features is bacteriorhodopsin (bR).
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
Buzhu Yu et al.
Phytochemistry, 108, 77-86 (2014-10-14)
The remodelling of membrane lipids contributes to the tolerance of plants to stresses, such as freezing and deprivation of phosphorus. However, whether and how this remodelling relates to tolerance of PEG-induced osmotic stress has seldom been reported. Thellungiella salsuginea is
Sebastien Trachsel et al.
Journal of applied physiology (Bethesda, Md. : 1985), 118(6), 768-775 (2015-01-01)
Inhaled nitric oxide (INO) improves ventilation-perfusion matching and alleviates pulmonary hypertension in patients with acute respiratory distress syndrome. However, outcome has not yet been shown to improve, and nonresponse is common. A better understanding of the mechanisms by which INO
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
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
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
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.
Izabela Laczmanska et al.
Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine, 35(12), 12397-12401 (2014-09-10)
The protective effect of vitamin D against several cancers including colorectal cancer is modulated by the vitamin D receptor (VDR) and its ligand, the active form of vitamin D. VDR response has been found to play a role in various
Fanbin Meng et al.
International journal of oncology, 46(3), 1109-1120 (2014-12-17)
CCL18 is a chemokine that is primarily expressed in monocytes, macrophages and immature dendritic cells and plays a crucial role in immune and inflammation responses. Recently, CCL18 was found to play pivotal roles in the development of several kinds of
Lucio Isa
Chimia, 67(4), 231-235 (2013-08-24)
Since the seminal work of Pickering and Ramsden more than a century ago, adsorption of solid micro- and nanoparticles at the interface between two fluids has been recognized as a means to enormously improve emulsion stability against coalescence. Despite their
Wei Zhang-Sun et al.
FEBS letters, 589(1), 165-171 (2014-12-06)
The levels of sulfate-reducing bacteria (SRB), including Desulfovibrionaceae, in the gut increase following a fat-enriched diet. Endotoxins from gut microbiota contribute to the inflammation process, leading to metabolic diseases. Thus, we sought to characterize the lipid A structures of Desulfovibrionaceae
James W Wynne et al.
Genome biology, 15(11), 532-532 (2014-11-16)
Bats are a major reservoir of emerging infectious viruses. Many of these viruses are highly pathogenic to humans however bats remain asymptomatic. The mechanism by which bats control viral replication is unknown. Here we utilize an integrated approach of proteomics
Dan Liu et al.
Journal of chromatography. A, 1356, 157-162 (2014-07-08)
Hydrophilic organic/salt-containing aqueous two-phase system composing of ethanol, water and ammonium sulfate for separation polar compounds was investigated on multilayer coil associated with J-type HSCCC devices. Compared to the classical polar solvent system based on 1-butanol-water or PEG1000-ammonium sulfate-water, the
Jin-Yuan Syu et al.
Journal of the Air & Waste Management Association (1995), 64(8), 970-978 (2014-09-05)
Water-emulsified diesel has proven itself as a technically sufficient improvement fuel to improve diesel engine fuel combustion emissions and engine performance. However, it has seldom been used in light-duty diesel engines. Therefore, this paper focuses on an investigation into the
Andreas Svensson et al.
PloS one, 10(4), e0123553-e0123553 (2015-04-16)
Glioblastoma multiforme (GBM) is the most common brain tumor in adults. It presents an extremely challenging clinical problem, and treatment very frequently fails due to the infiltrative growth, facilitated by extensive angiogenesis and neovascularization. Pericytes constitute an important part of
Xiao-Yong Zhan et al.
Retrovirology, 11, 112-112 (2014-12-10)
Previous studies indicated that Plasmodium infection activates the immune system, including memory CD4+ T cells, which constitute the reservoir of human immunodeficiency virus type-1 (HIV-1). Therefore, we postulated that co-infection with malaria might activate the reservoir of HIV-1. To test
Wenfu Lu et al.
Oncotarget, 6(2), 771-788 (2015-01-19)
Aberrant elevation of JARID1B and histone H3 lysine 4 trimethylation (H3K4me3) is frequently observed in many diseases including prostate cancer (PCa), yet the mechanisms on the regulation of JARID1B and H3K4me3 through epigenetic alterations still remain poorly understood. Here we
John W Castellani et al.
Aviation, space, and environmental medicine, 85(4), 445-448 (2014-04-24)
It has been proposed that microclimate cooling systems exploit the peripheral extremities because of more efficient heat transfer. The purpose of this study was to quantify, using a patented microclimate cooling technique, the heat transfer from the plantar surface of
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
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
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