72 research outputs found

    Are intelligent transport systems effective in improving the safety of vulnerable road users?

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    This paper presents the results of safety impact assessment, providing quantitative estimates of the safety impacts of ten ITS which were designed to improve safety, mobility and comfort of VRUs. The evaluation method originally developed to assess safety impacts of ITS for cars was now adapted for assessing safety impacts of ITS for VRUs. The main results of the assessment showed that nine services included in the quantitative safety impact assessment affected traffic safety in a positive way by preventing fatalities and injuries. At full penetration the highest effects were obtained for the systems PCDS+EBR, VBS and INS. The estimates for PCDS+EBR showed the maximum reduction of 7.5% on all road fatalities and 5.8% on all road injuries, which came down to an estimate of over 2,100 fatalities and over 62,900 injuries saved per year in the EU-28 when exploiting the 2012 accident levels adjusted with the estimated accident trends

    Plasma levels of growth-related oncogene (CXCL1-3) associated with fibrosis and platelet counts in HCV-infected patients

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    Fibrosis progression in hepatitis C virus (HCV)-infected patients varies greatly between individuals. Chemokines recruit immune cells to the infected liver and may thus play a role in the fibrosis process

    MRD codes with maximum idealizers

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    Left and right idealizers are important invariants of linear rank-distance codes. In the case of maximum rank-distance (MRD for short) codes in Fqn×n\mathbb{F}_q^{n\times n} the idealizers have been proved to be isomorphic to finite fields of size at most qnq^n. Up to now, the only known MRD codes with maximum left and right idealizers are generalized Gabidulin codes, which were first constructed in 1978 by Delsarte and later generalized by Kshevetskiy and Gabidulin in 2005. In this paper we classify MRD codes in Fqn×n\mathbb{F}_q^{n\times n} for n≤9n\leq 9 with maximum left and right idealizers and connect them to Moore-type matrices. Apart from generalized Gabidulin codes, it turns out that there is a further family of rank-distance codes providing MRD ones with maximum idealizers for n=7n=7, qq odd and for n=8n=8, q≡1(mod3)q\equiv 1 \pmod 3. These codes are not equivalent to any previously known MRD code. Moreover, we show that this family of rank-distance codes does not provide any further examples for n≥9n\geq 9.Comment: Reviewers' comments implemented, we changed the titl

    Quantitation of Pretreatment Serum IP-10 Improves the Predictive Value of an IL28B Gene Polymorphism for Hepatitis C Treatment Response

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    Polymorphisms of IL28B gene are highly associated with sustained virological response (SVR) in patients with chronic hepatitis C treated with peginterferon and ribavirin. Quantitation of Interferon-γ Inducible Protein-10 (IP-10) may also differentiate antiviral response. We evaluated IP-10 levels in pretreatment serum from 115 non-responders and 157 sustained responders in the VIRAHEP-C cohort, including African Americans (AA) and Caucasian Americans (CA). Mean IP-10 was lower in sustained responders compared to non-responders (460 ± 37 pg/ml vs 697 ± 49 pg/ml, p600 pg/ml) was 67%. We assessed the combination of pretreatment IP-10 levels with IL28B genotype as predictors of treatment response. The IL28B polymorphism rs12979860 was tested in 210 participants. CC, CT, or TT genotypes were found in 30%, 49%, and 21%, respectively, with corresponding SVR rates of 87%, 50%, and 39% (p<0.0001). Serum IP-10 levels within the IL28B genotype groups provided additional information regarding the likelihood of SVR (p< 0.0001). CT carriers with low IP-10 had 64% SVR versus 24% with high IP-10. Similarly, a higher SVR rate was identified for TT and CC carriers with low versus high IP-10 (TT: 48% versus 20%, CC: 89% versus 79%). IL28B genotype and baseline IP-10 levels were additive but independent when predicting SVR in both AA and CA

    A theory of gradual effect systems

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    A theory of gradual effect systems

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    Bewertung aktiver Sicherheit Vom Test zur Wirksamkeitsanalyse

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