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Keggin-type P/Mo polyoxometalates (POM) were dispersed in a high-surface-area silica gel by means of a co-gelation procedure, in order to prepare catalysts for the gas-phase oxidation of isobutane to methacrolein and methacrylic acid. The aim was the dilution of the active phase, in order to favor the dispersion of the considerable reaction heat and limit the oxidative degradation of the desired products...
Summary. To describe the virological profile of HCV in HBV/HCV co-infection, we investigated the variability of HVR-1 and NS5A domains, which may be involved in viral persistence and replication efficiency. We studied 95 patients: 37 with serological markers of HBV/HCV co-infection, 33 with single HBV and 25 with single HCV infection. HVR-1 complexity and NS5A gene variability were respectively explored...
In the present study, high levels of CD30s, a glycoprotein preferentially expressed and released by T lymphocytes producing Th 2 -type cytokines, were seen in the sera of patients with chronic hepatitis C, and a correlation with histological activity of the disease was found. CD30s levels were assayed in the sera of 29 HCV RNA-positive patients with histologically proven chronic active hepatitis...
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