báo cáo khoa học: " Preventing HIV transmission among Iranian prisoners: Initial support for providing education on the benefits of harm reduction practices" ppsx

... citation purposes) Harm Reduction JournalOpen AccessResearch Preventing HIV transmission among Iranian prisoners: Initial support for providing education on the benefits of harm reduction practicesBabak ... about their own health.Conclusion For many reasons, Iran has a large and growing prisonpopulation. Of great concern is the high rate of HIV/ AIDS among prisoners, and the need to stop transmission ... modes for HIV transmission The majority of participants in this study have considera-ble knowledge about modes of HIV transmission. On average, 79.5% of responses to 14 suggested modes of HIV transmission...

Báo cáo khoa học: Carbohydrate binding sites in Candida albicans exo-b-1,3-glucanase and the role of the Phe-Phe ‘clamp’ at the active site entrance ppt

... than for the F144A mutation.Examination of the crystal structure of the F258Imutant showed it to be isomorphous with native Exgother than a small adjustment in the backbone confor-mation of ... and the protein backbone stabilized the interaction. The orientation of this glucosyl residue indicated that itcorresponded to the nonreducing terminus of the oligosaccharide. The other connected ... inter-actions at the +1 subsite of Exg do indeed provide the main contribution to the transition state interactionenergy (Fig. 1A). There are smaller contributions fromsugar binding at the +2...

Báo cáo khoa học: "MIMA Search: A Structuring Knowledge System towards Innovation for Engineering Education" pot

... combination of the C-values and con-text factors for the respective terms. Evaluation of the C/NC-methods (Mima and Ananiadou, 2001) has shown that contextual information improves term distribution ... terms, the number of candidate terms containing the given candidate term as a substring, and the num-ber of words contained in the candidate term. The NC-value method further improves the C-value ... sets of specialized (technical) terms. Further details of our visualization scheme will be men-tioned in Section 4. 1 Although, definition of ontology is domain-specific, our definition of...

Báo cáo khoa học: " Developing and evaluating stereotactic lung RT trials: what we should know about the influence of inhomogeneity corrections on dose" doc

... Conformality of the PTV coverage was evaluated by the ratio of the volume of the prescription isodose (60 Gy)and the PTV (V100%/VPTV). For evaluation of the low dosespillage, the ratio of ... function of PTV for the three plans before recalculationFigure 3Ratio of the volume of the 50% isodose and the PTV as a function of PTV for the three plans before recal-culation.0 20 40 60 ... account for the increased lateral electron range, recalculation of the plansresults in an increase of the low-dose region (V20 Gy, V10 Gy)in the lungs. On the other hand the algorithms oftenunderestimate...

báo cáo khoa học: " Transcriptional responses to polycyclic aromatic hydrocarbon-induced stress in Arabidopsis thaliana reveal the involvement of hormone and defense signaling pathways" pdf

... increase of the tran-scripts on phenanthrene. Similarly, the probe that binds the GSTs At1g02920 and At1g02930 indicated 12-foldupregulation of these genes. Among the phenanthreneresponsive ... hypocotyls as long as in the untreated control. Con-versely, etr1-4, the ethylene-insensitive mutant grew toonly 40 ± 4.8% of the length of the untreated mutant. The genotypes etr1-7 (response 60 ... regulated. Among the hormone treatment microarrays, the SAdataset had the strongest correlation with the phenan-threne data (Spearman correlation ρ = 0.55, Table 1). Inaddition to PR-1 and other...

Báo cáo khoa học: " A simple and rapid Hepatitis A Virus (HAV) titration assay based on antibiotic resistance of infected cells: evaluation of the HAV neutralization potency of human immune globulin preparations" potx

... preparations containedcomparable levels of anti-HAV antibodies. The absorb-ance values of all the dilutions of the negative controlplasma were above the cutoff indicating the absence of anti-HAV ... into the virus genome. In the presence of blasticidin, HAV-Bsd-infected cells continueSchematic representation of the genome of the HAV-BsdFigure 1Schematic representation of the genome of the ... http://www.virologyj.com/content/5/1/155Page 6 of 9(page number not for citation purposes)Determination of the HAV neutralization potency of human IG preparations by ARTAFigure 4Determination of the HAV neutralization...

Báo cáo khoa học: "A HIV-1 heterosexual transmission chain in Guangzhou, China: a molecular epidemiological study" ppsx

... infections attributableto sexual transmission in 2005 [2]. The unsafe sexualbehavior is one of the key risk factors of HIV transmission in China. A review cited the Newsweek reported that the number ... Cduring the past 4 to 5 years. Another female (Contact 5)who was sexual partner of Contact 2 was included whenfurther tracking of the secondary contacts was conducted.Contact 5 admitted the history ... population of the country.What puzzles epidemiologists is the difficulties in defin-ing the linkage amongst HIV cases using traditional epide-miological approaches based on behavioral information.Nucleotide...

Báo cáo khoa học: Anti-HIV-1 activity of 3-deaza-adenosine analogs Inhibition of S-adenosylhomocysteine hydrolase and nucleotide congeners pot

... atoms of NAD were restrained by harmonicforces and a force constant of 100 kcalÆmol)1ÆA˚)2.Toavoiduncontrolled global conformational changes of the protein,optimizations were performed only ... regression line.Therefore, the deletion of the methylene group from DZArito yield DZNAri, now containing a secondary hydroxylgroup, led to a threefold reduction in the Ki for the inhibition of AdoHcy ... inhibition of AdoHcy hydrolaseFigure 4 shows the correlation of the log of the IC50values for the inhibition of p24 antigen in PBMC (y-axis) infectedwith HIV- 1 strains A012 and A018 and the log of the...

Báo cáo khoa học: "Preventing False Inferences " pptx

... reasoning depends not only on his perceptions of the world but also on the information he receives in interacting with other agents. This information is partial, in that another agent neither ... Presuppositions of Answers, not of Questions. In Proceedings of the 1984 Con fere, ce, pages 16-19. Canadian Society for Computational Studies of Intelligence, University of Western Ontario, London, ... to the (true) information conveyed in R's response and hence draw a false conclusion. We characterize appropriate information for R to include in his response to block it. In Section...

Báo cáo khoa học: "Measurement and transmission within modelling a of radiation stand of maritime pine" pot

... for clear skies. How-ever, for these conditions, the proportion of diffuse radiation is less than 20%, and anerror of estimation has little effect on the calculation ... albedo of the understorey,λ is the accumulated LAI of the canopy andThermal infrared (longwave radiation)As for the diffuse radiation, the longwaveradiation coming ... luminance is con-stant, F may be considered as the horizon-tal projection of the ’holes’ in the canopy,according to the directions of the longwaveradiation passing through...

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