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2009 AUG 31 ... a study "To investigate and evaluate the biomechanical properties of adult-excised porcine trachea, thereby providing experimental methods and evidence for biomedical engineering ... computer data and results, suggested that tension was maintained at a low level at 50% strain. Residual stress was retained in the excised porcine trachea, and the porcine trachea ...
2009 NOV 24 ... As an example of a practical application, stress measurements were performed using porcine achilles tendons," wrote I. Giouroudi and colleagues, University of ... a loaded tendon will elongate, leading to a longitudinal and negative transverse strain (the Poisson effect). The tendon's collagen fibers will consequently squeeze an ...
2009 SEP 8 ... attempted to fully explore the expression potentials of Pichia pastoris for producing porcine insulin precursor (PIP) through PIP copy number optimization. Multi-copy strains were ... yield, and the maximum PIP expression level of 181 mg l(-1) was achieved by a 12-copy strain. Specific growth rate and methanol utilization capacity were found to decrease ...
2009 OCT 5 ... strain was reduced >3 log(10) CFU from controls after 24 h mixed culture with porcine faecal microbes in Bolton broth supplemented with 0.25 or 1.0 micromol DIC ml(-1) or ...
2009 NOV 1 ... high-dose hydrocortisone. The influence of hydrocortisone was investigated in 12 fresh porcine corneas incubated in culture medium of 2.5 mc M of hydrocortisone for 7 days." ... for the same time served as the control group. Strips of cornea were cut and the stress-strain relationship was measured in a biomaterial tester. Young's modulus was calculated. ...
2009 JUL 28 ... rod Actinobacillus pleuropneumoniae is a facultative anaerobic pathogen of the porcine respiratory tract, and HlyX, the A. pleuropneumoniae homologue of fumarate and nitrate ... generation time but highly prolonged survival in comparison to its wild type parent strain when grown anaerobically in glucose-supplemented medium. Applying a combination of ...
2009 SEP 28 ... is unknown. We show, through transmission experiments in transgenic mice expressing porcine prion protein (PrP), that the susceptibility of this mouse model to bovine spongiform ... researchers concluded: "Unexpectedly, the atypical scrapie agent appeared to undergo a strain phenotype shift upon transmission to porcine-PrP transgenic mice and acquired new strain ...
2009 OCT 12 ... developed using consensus primers designed from the alignment of VP6 gene sequences of porcine, bovine, and human strains. A 182-bp product of the VP6 gene was sequenced and showed ... was sequenced and showed significant similarity to group C rotavirus VP6 sequences. This strain was designated ''Ferret Rota C-MSU.'' The entire coding sequence of VP6 was ...
2009 SEP 15 ... clinical signs and total RNA was subjected to microarray analyses with Affymetrix Porcine Genome Array GeneChips. Of all 20 201 pig genes arrayed in the chip, 1745 showed altered ... "Three healthy pigs were inoculated with a lethal dose of highly virulent CSFV strain Shimen. PBLs were isolated at the onset of typical clinical signs and total RNA was ...
2009 AUG 24 ... fibroblast (MEF) model, we demonstrate that heterologous bovine (UK and NCDV) and porcine (OSU) rotaviruses fail to effectively degrade cellular IRF3, resulting in IRF3 ... between the replication efficiencies of different rotavirus strains in MEFs and strain-related variations in NSP1-mediated antagonism of the type I IFN response.." ...
2009 NOV 9 ... and low virulence," investigators in Netherlands report. "Using a porcine spleen/intestinal cDNA microarray, expression levels in RNA pools prepared from infected ... levels in RNA pools prepared from infected tissue at 3 dpi (three pigs per virus strain) were compared to levels in pools prepared from uninfected homologue tissues (nine ...
2009 OCT 26 ... viruses that infect humans as well as several animal species, causing gastroenteritis. Porcine strains are classified together with human strains within genogroup II, whilst bovine ... present study, we identified a carbohydrate ligand for the prototype bovine norovirus strain Bo/Newbury2/76/UK (NB2). Attachment of virus-like particles (VLPs) of the NB2 strain to ...
2009 NOV 23 ... According to recent research from the United States, "Understanding the dynamics of porcine reproductive and respiratory syndrome virus (PRRSV) vertical transmission is important ... gilts were intramuscularly inoculated with 10(1) TCID50 of a mildly virulent PRRSV strain (MN-30100) at 90 d of gestation. All inoculated gilts transmitted the virus in utero. ...
2009 OCT 5 ... inoculation with an inoculum size of 2.5 x 10(7) colony-forming units Ab396 plus 10% porcine mucin into the lungs of mice, verified by histopathological examinations, and then ... colistin sulfate therapy in a murine model of acute pneumonia caused by a clinical CRAB strain, Ab396. Colistin therapy has currently achieved a favorable outcome in patients with ...
2009 AUG 18 ... According to a study from the United States, "Porcine reproductive and respiratory syndrome virus (PRRSV) is the causative agent of PRRS, ... disease in young pigs. Using an infectious cDNA clone of North American PRRSV strain P129, the viral genome was engineered to transcribe an additional subgenomic RNA ...
2009 SEP 28 ... phenomena is unknown. Here, in a first study on the longitudinal movements of the porcine common carotid artery, we show that administration of adrenaline (epinephrine) might ... the vessel wall, the adventitial region, introducing the presence of substantial shear strain, and thus shear stress within the vessel wall." "The role of these ...
2009 SEP 14 ... scientists in the United States report. "Ten leaflets from seven normal porcine aortic valves were biaxially stretched in a variety of protocols and the data combined ... study was to perform biaxial testing and apply constitutive modeling to develop a strain energy function that accurately predicts the material behavior of the aortic valve ...
