As viscosity was the most uncorrelated variable, hence it can be used as a variable to study variance among samples treated by crude and commercial enzymes.”
“In this study, we focus on how the formation and enlargement of metallic pinholes in MgO barriers (induced by large electrical currents) affect the tunnel magnetoresistance

(TMR) of low and high resistance (R) magnetic tunnel junctions. The junctions were deposited by physical vapor deposition find more with barrier thicknesses of either 0.75 or 1.35 nm. For the parallel state, temperature-dependent R(T) measurements readily revealed a metallic conductance in the low-R sample, indicating that pinholes are already present in its thin barrier; a slight R(T) decrease with increasing temperature is observed for the high-R junction. After applying large current pulses

to the low-R sample, we observe that the initially small R-decrease (similar to 6%) is accompanied by a significant TMR increase (similar to 20% at 20 K). Higher applied electrical currents continue to decrease R, leading to a gradual but steady TMR decrease. In contrast, the high-R sample exhibits a sharp and immediate decrease in TMR as soon as the first pinhole is formed. The origin of these effects will be discussed in terms of a thermally induced improvement of the barrier/electrode interfaces PD98059 price and the possibility of a magnetoresistance mechanism occurring through the metallic pinholes. (c) 2009 American Institute of Physics. [doi:10.1063/1.3236512]“
“(PACE 2009; 32:1096-1098).”
“Drying kinetics modeling and effective moisture diffusivity (D-eff) of osmotically dehydrated pretreated red sweet pepper (Capsicum annum L.) during microwave assisted convective drying at power levels of 0.35, 0.70, 1.05, and 1.4 W/g, air temperature of 30, 45, and 60A degrees C, and constant air velocity of 1.5 m/s were investigated. The drying data were applied to 11 different semi-empirical mathematical models to characterize selleck chemicals llc the drying

kinetics and Page model provided a good agreement between experimental and predicted moisture ratio values with higher coefficient of determination (R-2) and lower root mean square error (RSME) and residual sum of square (RSS). D-eff decreased from 1.859×10(-7) to 3.55×10(-8) m(2)/s which is 10(2) to 10(3) times more than the previous investigations for food materials. Similarly, the activation energy decreased from 8.943 to 5.228 with decrease of drying temperature from 60 to 30A degrees C which is due to the effect of pretreatment (osmotic dehydration). So, pretreatment can be used as criteria for faster drying thereby maintaining final product quality.”
“We present the influence of gas pressure and applied voltage on Xe excimer radiation from a microdielectric barrier discharge (micro-DBD) in Ne/Xe gas mixture for plasma display panel.