Search Within
Filtros aplicados
Exibindo 1-30 of 159 resultados for "


" no prazo de Papéis
Ordenar por relevância
Olivia L Mooren et al.
Molecular biology of the cell, 25(25), 4115-4129 (2014-10-31)
The vascular endothelium is a highly dynamic structure, and the integrity of its barrier function is tightly regulated. Normally impenetrable to cells, the endothelium actively assists lymphocytes to exit the bloodstream during inflammation. The actin cytoskeleton of the endothelial cell
Casimiro Gerarduzzi et al.
Journal of proteome research, 13(11), 5262-5280 (2014-09-17)
The Prostaglandin E2 (PGE2) signaling mechanism within fibroblasts is of growing interest as it has been shown to prevent numerous fibrotic features of fibroblast activation with limited evidence of downstream pathways. To understand the mechanisms of fibroblasts producing tremendous amounts
Dariusz Suchy et al.
Naunyn-Schmiedeberg's archives of pharmacology, 387(8), 733-742 (2014-05-02)
Macrophages are crucial for the development of atherosclerotic plaques. Classically activated macrophages contribute to plaque growth and destabilization, while alternatively activated macrophages increase plaque stability. Here, we assessed the influence of ezetimibe on the activation of monocyte-derived macrophages isolated from
Margriet Hoekstra et al.
Contact dermatitis, 66(6), 317-322 (2012-05-10)
Persulfates have been reported to cause both delayed-type and immediate skin reactions. They may also cause immediate reactions of the mucous membranes of the bronchial system through inhalation, leading to asthma and rhinitis. Anaphylactic reactions caused by contact with persulfates
Shun-ichi Funano et al.
The Analyst, 140(5), 1459-1465 (2015-01-20)
A single-step, easy-to-use enzyme immunoassay capillary sensor, composed of functional multilayer coatings, was developed in this study. The coatings were composed of substrate-immobilized hydrophobic coating, hydrogel coating, and soluble coating containing an enzyme-labeled antibody. The response mechanism involved a spontaneous
Dalia Y Sosa et al.
Molecules (Basel, Switzerland), 20(1), 52-69 (2014-12-30)
The semicontinuous heterophase polymerization of styrene in the presence of cross-linking and porogen agents was carried out. Latexes with close to 20% solid content, which contained mesoporous nanoparticles with 28 nm in average diameters, up to 0.5 cm3/g in porosity
J Lin et al.
British poultry science, 56(1), 30-38 (2014-11-19)
1. The potential use of CpG oligodeoxynucleotides and/or Astragalus polysaccharide (APS) as adjuvants for the culture of chicken bone-marrow-derived dendritic cells (chBM-DCs) was investigated. 2. Chicken dendritic cells (DCs) were isolated and cultured in the presence of recombinant chicken granulocyte-macrophage
Beata Strachota et al.
Soft matter, 11(48), 9291-9306 (2015-10-03)
The formation of the hydrogel poly(N-isopropylacrylamide)-clay (LAPONITE®) by redox polymerization was investigated, and the main factors governing the gel build-up were determined. The significant effect of the redox initiating system ammonium peroxodisulfate (APS) and tetramethylethylenediamine (TEMED) on gel formation and
Lisa Mathiasen et al.
PloS one, 10(4), e0125789-e0125789 (2015-04-10)
Human PREP1 and PBX1 are homeodomain transcriptional factors, whose biochemical and structural characterization has not yet been fully described. Expression of full-length recombinant PREP1 (47.6 kDa) and PBX1 (46.6 kDa) in E. coli is difficult because of poor yield, high
Allison M Beese et al.
ACS nano, 8(11), 11454-11466 (2014-10-30)
Studies of carbon nanotube (CNT) based composites have been unable to translate the extraordinary load-bearing capabilities of individual CNTs to macroscale composites such as yarns. A key challenge lies in the lack of understanding of how properties of filaments and
A Bradley et al.
Journal of environmental quality, 44(6), 1720-1728 (2015-12-08)
Agricultural operations can pose a threat to the quality of nearby water sources particularly from nitrogen (N) and phosphorus (P) losses following land application of manure. Biochar application to soils has the potential to ameliorate degraded soils and reduce nutrient
Electrical conductivity response of polypyrrole to acetone vapor: effect of dopant anions and interaction mechanisms.
Ruangchuay L, et al.
Synthetic Metals, 140(1), 15-21 (2004)
Manando Nakasaki et al.
Nature communications, 6, 8574-8574 (2015-10-16)
Fibrosis is a pervasive disease in which the excessive deposition of extracellular matrix (ECM) compromises tissue function. Although the underlying mechanisms are mostly unknown, matrix stiffness is increasingly appreciated as a contributor to fibrosis rather than merely a manifestation of
Niranjan A Panat et al.
Food chemistry, 194, 32-45 (2015-10-17)
Troxerutin (TRX) is a flavonoid present in tea, coffee, cereal grains, various fruits and vegetables have been reported to exhibit radioprotective, antithrombotic, nephro and hepato-protective effects. A systematic study was undertaken to evaluate its free radical scavenging ability and anti-apoptotic
Ketsarin Seebunrueng et al.
Talanta, 132, 769-774 (2014-12-06)
A simple and rapid microextraction method, vortex-assisted low density solvent liquid-liquid microextraction and salt-induced demulsification (VLLME-SID) coupled to high performance liquid chromatography (HPLC) was developed for the determination of organophosphorus pesticide (OPP) residues in fruits. The studied OPPs were azinphos-methyl
Li-Hua Zhao et al.
Cell research, 25(11), 1219-1236 (2015-10-17)
Strigolactones (SLs) are endogenous hormones and exuded signaling molecules in plant responses to low levels of mineral nutrients. Key mediators of the SL signaling pathway in rice include the α/β-fold hydrolase DWARF 14 (D14) and the F-box component DWARF 3
John C Benedict et al.
American journal of botany, 102(11), 1814-1841 (2015-10-29)
Recent phylogenetic analyses based on molecular data suggested that the monocot family Zingiberaceae be separated into four subfamilies and four tribes. Robust morphological characters to support these clades are lacking. Seeds were analyzed in a phylogenetic context to test independently
Novel pH-responsive polyphosphoester-based hydrogels with fast gelation.
Jinlin He et al.
Journal of controlled release : official journal of the Controlled Release Society, 152 Suppl 1, e232-e233 (2011-12-27)
Mayuri Shukla et al.
Journal of pineal research, 58(2), 151-165 (2014-12-11)
Melatonin controls many physiological functions including regulation of the circadian rhythm and clearance of free radicals and neuroprotection. Importantly, melatonin levels strongly decrease as we age and patients with Alzheimer's disease (AD) display lower melatonin than age-matched controls. Several studies
H S Fan et al.
Scientific reports, 4, 7426-7426 (2014-12-19)
A novel nano-porous 3D architecture of N-doped carbon nanorods arrays grown on the surface of graphene has been prepared by carbonizing polyaniline/graphene oxide (PANI-GO) composite with PANI nanorod arrays on both sides of GO nanosheets. The obtained carbon materials are
Partha Pratim Saha et al.
Indian journal of experimental biology, 52(8), 763-772 (2014-08-22)
Nanoscience and Nanotechnology have found their way in the fields of pharmacology and medicine. The conjugation of drug to nanoparticles combines the properties of both. In this study, gold nanoparticle (GNP) was conjugated with NKCT1, a cytotoxic protein toxin from
Yusak Hartanto et al.
Water research, 70, 385-393 (2014-12-31)
Stimuli-responsive hydrogels were recently proposed for energy-saving forward osmosis (FO) process. However, their low water flux and dewatering ability for reuse make them less attractive for industrial desalination process. In this work, the co-polymer microgels of N-isopropylacrylamide and acrylic acid
Marc A Schureck et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(45), 13862-13867 (2015-10-29)
Bacteria contain multiple type II toxins that selectively degrade mRNAs bound to the ribosome to regulate translation and growth and facilitate survival during the stringent response. Ribosome-dependent toxins recognize a variety of three-nucleotide codons within the aminoacyl (A) site, but
Laura Santucci et al.
Journal of proteomics, 130, 26-32 (2015-09-16)
Definition of the urinary protein composition would represent a potential tool for diagnosis in many clinical conditions. The use of new proteomic technologies allows detection of genetic and post-trasductional variants that increase sensitivity of the approach but complicates comparison within
Wei-Hong Li et al.
Microcirculation (New York, N.Y. : 1994), 21(6), 506-515 (2014-03-05)
This study was designed to evaluate whether exogenous CRT was beneficial for alleviating MR-induced injury by suppressing ER stress in rat MMECs. MMECs were pretreated with CRT (25 pg/mL) for 12 hours, followed by the exposure to 2.856 GHz radiation
Gati Krushna Panigrahi et al.
Toxicology letters, 229(1), 273-283 (2014-06-29)
The present study was undertaken to investigate the effect of Cassia occidentalis (CO) seeds on the transcriptional expression patterns of mRNAs in rat liver by microarray analysis. The results indicated that exposure of CO (0.5%) seeds in diet to rats
Laura Casares et al.
Nature materials, 14(3), 343-351 (2015-02-11)
The origin of fracture in epithelial cell sheets subject to stretch is commonly attributed to excess tension in the cells' cytoskeleton, in the plasma membrane, or in cell-cell contacts. Here, we demonstrate that for a variety of synthetic and physiological
Ming Qin et al.
Biomacromolecules, 15(10), 3728-3734 (2014-08-28)
Here we introduce a modified peptide-decorated polymeric nanoparticle (NP) for cancer cell targeting, which can deliver drugs, such as doxorubicin (Dox), to several kinds of cancer cells. Specifically, we employ a nucleolin-targeting NP, with a matrix based on a copolymer
Daniela C Ferreira et al.
The journal of physical chemistry. B, 115(6), 1368-1375 (2011-01-28)
This paper investigates the structure of the products obtained from the polymerization of aniline with ammonium persulfate in a citrate/phosphate buffer solution at pH 3 by resonance Raman, NMR, FTIR, and UV-vis-NIR spectroscopies. All the spectroscopic data showed that the
Meng-Chun Cheng et al.
Food & function, 6(11), 3522-3530 (2015-08-25)
The anti-obesity activity of the water extract of soy milk fermented with Lactobacillus paracasei subsp. paracasei NTU 101 (W101) was investigated. A high-fat diet (HFD) was used to induce obesity in rats, and the effects of daily W101 feeding (8
Page 1 of 6
Page 1 of 6