introduction: controversial results have been reported when organic acids, ultrasonic instruments and laser techniques were used to remove smear layer in endodontic treatments. the aim of this study was to evaluate the effect of removing debris and smear layer by er,cr:ysgg laser irradiation on the apical leakage of retrograde cavities. materials and methods: in this ex vivo study, 24 extracted...

different examination have shown that rheumatoid factor is not responsible for false positive reaction (f.p.r.) in cr. neoformanse’s free capsular antigen latex agglutination test, whereas high levels of iron in sera of patients with rheumatoid arthritis as well as other sera was responsible not only for this f.p.r. , but also had an important role in the production of f.p.r. in many slide late...

gooseberry seed (phyllanthus acidus) was used as an adsorbent to determine its feasibility for the removal of cr(vi). various parameters such as ph, temperature, contact time, initial metal concentration and adsorbent dosage were investigated to determine the biosorption performance. equilibrium was attained within 60 minutes and maximum removal of 96% was achieved under the optimum conditions ...

background: a substantial part of the public’s natural radiation dose is due to the inhalation of radon gas. most of the exposure occurs indoors where the airborne concentration of radon and its decay products is usually higher than outdoors. materials and methods: radon activity concentration has been measured twice in 50 classrooms in 5 levels (10 each) during summer and winter using solid-st...

The total creatine pool size [Cr(total); creatine (Cr) + phosphocreatine (PCr)] is crucial for optimal energy utilization in skeletal muscle, especially at the onset of exercise and during intense contractions. The Cr(total) likely is controlled by long-term modulation of Cr uptake via the sodium-dependent Cr transporter (CrT). To test this hypothesis, adult male Sprague-Dawley rats were fed 1%...

Creatine (Cr) levels in skeletal muscle and brain of a mouse model of Cr deficiency caused by guanidinoacetate methyltransferase absence (GAMT-/-) were studied after Cr supplementation with 2 g.kg body wt-1.day-1 Cr for 35 days. Localized 1H magnetic resonance spectroscopy (MRS) was performed in brain (cerebellum and thalamus/hippocampus) and in hind leg muscle of GAMT-/- mice before and after ...

YURI L. MAISTRENKO?†, ANNA VASYLENKO†‡, OLEKSANDR SUDAKOV†q, ROMAN LEVCHENKO† and VOLODYMYR L. MAISTRENKO† ?Institute of Mathematics, National Academy of Sciences of Ukraine, Tereshchenkivska st. 3, 01030, Kyiv, Ukraine, [email protected] †National Scientific Centre for Medical and Biotechnical Research, National Academy of Sciences of Ukraine, Volodymyrska Str. 54, 01030, Kyiv, Ukrai...

Luís G. Esteves 1, Rafael Izbicki 2, Julio M. Stern 1 and Rafael B. Stern 2,* 1 Institute of Mathematics and Statistics, University of São Paulo, São Paulo 13565-905, Brazil; [email protected] (L.G.E.); [email protected] (J.M.S.) 2 Department of Statistics, Federal University of São Carlos, São Carlos 05508-090, Brazil; [email protected] * Correspondence: [email protected]; Tel.: +55-16...