Archive for the ‘researches 6’ Category
Thursday, July 3rd, 2008
Association of the Shrinking Lung Syndrome in Systemic Lupus Erythematosus with Pleurisy: A Systematic Review.
OBJECTIVES: To report 2 patients with systemic lupus erythematosus and typical shrinking lung syndrome (SLS) in which pleuritic chest pain was the predominant symptom. In addition, to record the prevalence of ...
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Thursday, July 3rd, 2008
Effect of Tumor Necrosis Factor Alpha Inhibition on Bone Density and Turnover Markers in Patients with Rheumatoid Arthritis and Spondyloarthropathy.
OBJECTIVES: Anti-tumor necrosis factor-alpha (TNFalpha) therapy has proven efficacious in improving both disease activity and focal bone erosions in patients with rheumatoid arthritis (RA) and spondyloarthopathies. ...
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Thursday, July 3rd, 2008
Arrhythmias and Conduction Defects in Rheumatological Diseases-A Comprehensive Review.
OBJECTIVES: To review the clinical aspects of cardiac arrhythmias and conduction disturbances in several common and less encountered adult rheumatic diseases and to underline the importance of prompt diagnosis and management in these patients. METHODS: The PubMed ...
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Thursday, July 3rd, 2008
Changes in stable isotopes, lignin-derived phenols, and fossil pigments in sediments of Lake Biwa, Japan: Implications for anthropogenic effects over the last 100 years.
We measured stable nitrogen (N) and carbon (C) isotope ratios, lignin-derived phenols, and fossil pigments in sediments of known ages to elucidate ...
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Thursday, July 3rd, 2008
Hemoglobin system of Sparus aurata: changes in fishes farmed under extreme conditions.
In order to gain more knowledge on the stress responses of gilhead seabream (Sparus aurata) under extreme conditions, this study investigated the functional properties of the hemoglobin system and globin gene expression under hypoxia ...
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Thursday, July 3rd, 2008
TEQ(S) and body burden for PCDDs, PCDFs, and dioxin-like PCBs in human adipose tissue.
Polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), mono-ortho and non-ortho polychlorinated biphenyls (dioxin-like PCBs) were determined in samples of human fat tissue from nine Italian obese patients. The toxicity equivalent (TEQ) values ranged ...
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Thursday, July 3rd, 2008
Photocatalytic and combined anaerobic-photocatalytic treatment of textile dyes.
A photocatalytic process based on immobilized titanium dioxide was used to treat crude solutions of azo, anthraquinone and phthalocyanine textile dyes. In addition, the process was applied to the treat autoxidized chemically reduced azo dyes, i.e. representatives of ...
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Thursday, July 3rd, 2008
Application of microwave irradiation in the removal of polychlorinated biphenyls from soil contaminated by capacitor oil.
The applicability of microwave irradiation in the removal of polychlorinated biphenyls (PCBs) from the soil heavily contaminated by capacitor oil was studied. Granular activated carbon (GAC) was added into the ...
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Thursday, July 3rd, 2008
Effect of cations on copper toxicity to wheat root: Implications for the biotic ligand model.
The extent to which calcium, magnesium, sodium, potassium and hydrogen ions independently mitigate Cu rhizotoxicity to wheat (Triticumaestivum) in nutrient solutions was examined. Increasing activities of Ca(2+) and Mg(2+) but not ...
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Thursday, July 3rd, 2008
Local binocular fusion is involved in global binocular rivalry.
We examined whether interocular inhibition in binocular rivalry could occur at the interocular intersection of horizontal and vertical rectangular patches which are locally fusible but globally rivalrous between the two eyes. We measured contrast increment (and decrement) ...
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Thursday, July 3rd, 2008
Bias and sensitivity in two-interval forced choice procedures: Tests of the difference model.
We assess four common claims concerning the two-interval forced choice (2-IFC) procedure and the standard Difference Model of 2-IFC performance. The first two are (1) that it is unbiased and (2) that the ...
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Thursday, July 3rd, 2008
Structure of an avian influenza A virus NS1 protein effector domain.
Influenza A virus NS1 protein is a multifunctional virulence factor. Here, we report a crystal structure for the NS1 effector domain of avian influenza virus A/Duck/Albany/76. Comparison of this structure with that reported for a ...
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Thursday, July 3rd, 2008
A live attenuated cold-adapted influenza A H7N3 virus vaccine provides protection against homologous and heterologous H7 viruses in mice and ferrets.
The appearance of human infections caused by avian influenza A H7 subtype viruses underscores their pandemic potential and the need to develop vaccines to protect ...
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Thursday, July 3rd, 2008
Acoustic impedance changes in cartilage and subchondral bone due to primary arthrosis.
This study aimed at assessing elastic changes of cartilage and subchondral bone in sections from osteoarthritic human tibia plateaus using a 50-MHz scanning acoustic microscope (SAM). Samples were obtained from 28 human individuals during ...
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Thursday, July 3rd, 2008
New anti-inflammatory 4-methylated steroids from the Formosan soft coral Nephthea chabroli.
Eight new 4-methylated steroids, nebrosteroids A-H (1-8) were isolated from the acetone solubles of the Formosan soft coral Nephthea chabroli. The structures were elucidated by extensive NMR spectroscopic analysis and their anti-inflammatory activity was measured ...
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Thursday, July 3rd, 2008
Characterisation of Escherichia fergusonii isolates from farm animals using an Escherichia coli virulence gene array and tissue culture adherence assays.
Escherichia fergusonii has been associated with a wide variety of intestinal and extra-intestinal infections in both humans and animals but, despite strong circumstantial evidence, the degree ...
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Thursday, July 3rd, 2008
Morphological and glycohistochemical studies on the epididymal region of the Sudani duck (Cairina moschata).
In this study, the epididymal region of the Sudani duck was investigated using histological and lectin histochemical methods. Morphologically, the epididymal region of the Sudani duck is composed of extratesticular rete testis, ...
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Thursday, July 3rd, 2008
Enumeration in Alzheimer\'s disease and other late life psychiatric syndromes.
Previous studies suggest that visual enumeration is spared in normal aging but impaired in abnormal aging (late stage Alzheimer\'s disease, AD), raising the task\'s potential as a marker of dementia. Experiment 1 compared speeded enumeration of ...
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Thursday, July 3rd, 2008
The posterior superior temporal sulcus is involved in social communication not specific for the eyes.
Neuroimaging and lesion studies suggest that the superior temporal sulcus (STS) region is involved in eye gaze processing. Hence, the STS region is suggested to be the location of the \"eye-direction ...
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Thursday, July 3rd, 2008
The effect of feedback on non-motor probabilistic classification learning in Parkinson\'s disease.
It has been proposed that procedural learning is mediated by the striatum and, it has been reported that patients with Parkinson\'s disease (PD) are impaired on the weather prediction task (WPT) which involves probabilistic ...
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Thursday, July 3rd, 2008
Genetic oscillation deduced from Hopf bifurcation in a genetic regulatory network with delays.
To understand how a gene regulatory network functioning as an oscillator is built, a genetic regulatory network with two transcriptional delays is investigated. We show by mathematical analysis and simulation that autorepression of ...
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Thursday, July 3rd, 2008
Antisaccade performance is related to genetic loading for schizophrenia.
Disturbances of the oculomotor system are promising endophenotypes for schizophrenia. Increased error rates in the antisaccade task and prolonged antisaccade latencies have been found in patients with schizophrenia and their first degree relatives. We investigated oculomotor performance ...
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Thursday, July 3rd, 2008
A Quantitative Description of In Vitro Assembly of Human Papillomavirus 16 Virus-Like Particles.
The full-length human papillomavirus 16 major capsid protein L1 is expressed in Saccharomyces cerevisiae as virus-like particles (VLPs). However, yeast-expressed human papillomavirus 16 particles are irregular in shape and are prone to aggregate. ...
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Thursday, July 3rd, 2008
Structural Analysis of Arabidopsis CnfU Protein: An Iron-Sulfur Cluster Biosynthetic Scaffold in Chloroplasts.
CnfU, a key iron-sulfur (Fe-S) cluster biosynthetic scaffold that is required for biogenesis of ferredoxin and photosystem I in chloroplasts, consists of two tandemly repeated domains in which only the N-terminal domain contains ...
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Thursday, July 3rd, 2008
Internal Hydration Increases during Activation of the G-Protein-Coupled Receptor Rhodopsin.
Rhodopsin, the membrane protein responsible for dim-light vision, until recently was the only G-protein-coupled receptor (GPCR) with a known crystal structure. As a result, there is enormous interest in studying its structure, dynamics, and function. Here ...
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