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Marek Wojnicki,Magdalena Luty-Błocho,Robert P. Socha,Krzysztof Mech,Zbigniew Pe˛dzich,Krzysztof Fitzner,Ewa Rudnik 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.29 No.-
The kinetic studies of sorption and reduction of gold(III) chloride complex ions on activated carbon NoritROX 0.8 were carried out. Experiments were performed at different initial concentrations of gold(III)chloride complex ions, agitation rates, temperature as well as initial mass of the adsorbent. SEM, XRDand XPS analyses have confirmed the presence of metallic gold on the activated carbon surface. XPSanalysis showed that reduction of gold(III) ions is accompanied by the oxidation of phenolic hydroxidesuperficial groups. Kinetic equation of a first-order reaction was found suitable for process description.
Roman M. Janas,Anna Rybak,Aldona Wierzbicka-Rucińska,Piotr Socha,Rafał Śnitko,Anna Szaflarska-Popławska,Anna Stolarczyk,Beata Oralewska,Elżbieta Cytra-Jarocka,Barbara Iwańczak,Urszula Grzybowska-Chleb 거트앤리버 소화기연관학회협의회 2016 Gut and Liver Vol.10 No.4
Background/Aims: The roles of the many bioactive peptides in the pathogenesis of celiac disease remain unclear. To evaluate the serum concentrations of insulin, ghrelin, adiponectin, leptin, leptin receptor, and lipocalin-2 in children with celiac disease who do and do not adhere to a gluten-free diet (GFD, intermittent adherence). Methods: Prepubertal, pubertal, and adolescent celiac children were included in this study (74 girls and 53 boys on a GFD and 80 girls and 40 boys off of a GFD). Results: Insulin levels in prepubertal (9.01±4.43 μIU/mL), pubertal (10.3±3.62 μIU/mL), and adolescent (10.8±4.73 μIU/mL) girls were higher than those in boys (5.88±2.02, 8.81±2.88, and 8.81±2.26 μIU/mL, respectively) and were neither age-dependent nor influenced by a GFD. Prepubertal children off of a GFD exhibited higher ghrelin levels than prepubertal children on a GFD. Adiponectin levels were not age-, sex- nor GFD-dependent. Adherence to a GFD had no effect on the expression of leptin, leptin receptor, and lipocalin-2. Conclusions: Adherence to a GFD had no influence on the adiponectin, leptin, leptin receptor, and lipocalin-2 concentrations in celiac children, but a GFD decreased highly elevated ghrelin levels in prepubertal children. Further studies are required to determine whether increased insulin concentrations in girls with celiac disease is suggestive of an increased risk for hyperinsulinemia.