RESULT: The adsorption of nickel onto microwave-irradiated rice husk (MIRH) was found to be better than that of the raw rice husk (RRH). The kinetics of the adsorption of Ni(II) from aqueous solution onto MIRH was found to follow a pseudo-second-order model. Thermodynamic parameters HKI-272 solubility dmso such as standard Gibbs free energy (Delta G degrees), standard enthalpy (Delta H degrees), and standard entropy (Delta S degrees) were also evaluated. The thermodynamics of Ni(II) adsorption onto MIRH indicates
that it is spontaneous and endothermic in nature. The response surface methodology (RSM) was employed to optimize the design parameters for the present process.
CONCLUSION: Microwave-irradiated rice husk was found to be a suitable adsorbent for the removal of nickel(II)) ions from aqueous solutions. The adsorption capacity of the rice husk was found to be 1.17 mg g(-1). The optimized parameters for the current process were found as follows: adsorbent loading 2.8 g (100 mL)(-1); Initial adsorbate concentration 6 mg L(-1); adsorption time 210 min.; and adsorption temperature 35 degrees C. (C) 2008 Society of Chemical Industry”
“Systemic rotavirus infection, such as rotavirus antigenemia, has been found in immunocompetent Rabusertib rotavirus gastroenteritis patients. However,
the pathogenesis of rotavirus infection in immunocompromised transplant recipients remains unclear. Enzyme-linked immunosorbent assay was used to measure rotavirus antigen levels in serially collected serum samples obtained from 62 pediatric patients receiving allogeneic hematopoietic stem cell transplants (HSCT). Rotavirus antigen was detected in 43 (6.8%) of 633 serum samples (8 of 62 patients). The duration of rotavirus antigenemia ranged between 1 and 10 weeks, and diarrhea was concurrent with rotavirus antigenemia in Cases 3, 6, 7, and 8. The level of viral antigen in the transplant recipients (0.19 Proteasome inhibition +/- 0.20) was significantly lower than that observed in serum samples collected from immunocompetent
patients on either day 1 (0.49 +/- 0.18, P = 0.0011) or day 3 (0.63 +/- 0.09, P = 0.0005). A patient who received a graft from a human leukocyte antigen (HLA)-mismatched donor was at significant risk for rotavirus antigenemia (P = 0.024; odds ratio = 9.44) in comparison to patients who received grafts from HLA-matched donors. Although the duration of antigenemia was clearly longer in HSCT patients than in immunocompetent rotavirus gastroenteritis patients, the levels of viral antigen were not as high. Therefore, mismatched HLA may be a risk factor for rotavirus antigenemia after HSCT.”
“Contents The aim of this study was to evaluate the possible association between hormonal changes that occur during oestrus and biomarkers related with glucose metabolism (glucose and insulin), lipid metabolism (lipidic profile and BChE) and adipokines (adiponectin and ghrelin) in healthy bitches.