The goal of this study was to determine if changes in the epicardial QRS complex after coronary artery occlusion (CAO) can be used to evaluate the efficacy of interventions designed to limit infarct size. Forty-one open-chest dogs with CAO were studied: 15 were controls, 18 received hyaluronidase and eight received propranolol starting 20 minutes after CAO. Epicardial ECGs were recorded at spec...

In order to produce biodiesel from waste cooking oil and optimize its yield, a two-stage process of esterification/ transesterification has been used in this study. First, we used the acidic catalysts H2SO4 in order to diminish the content of free fatty acid (FFA) in oil that caused reducing the oil acidity from 6.1% to 0.57% through esterification. Then, the biodiesel was produced by transeste...

This experiment was conducted to evaluate the intake, nutrient apparent digestibility and the effect of total collection days (two and four days) on apparent digestibility estimates for lambs fed diets containing sugar cane treated with calcium oxide (CaO). Eight Santa Inês castrated male lambs with a 16.6±1.8 kg body weight were used. The lambs were distributed in two 4×4 Latin squares, with f...

Extracellular calcium (Cao) stimulates the differentiation of keratinocytes; 1,25 dihydroxyvitamin D3 1,25(OH)2D3) does likewise. Since 1,25(OH)2D3 regulates calcium flux in other cells, we hypothesized that 1,25(OH)2D)3 acted through and promoted the effects of calcium on keratinocyte differentiation. To test this hypothesis, we evaluated the effects of calcium and 1,25(OH)2D3 alone and in com...

This research focuses on producing biodiesel through the transesterification process of Ceiba pentandra triglyceride acid using a CaO/Hydrotalcite (CaO/HTC) catalyst. study aimed to determine effect adding catalyst mass, mole ratio oil: methanol yield, and knowing FAME content yield highest impact mass kapok seed oil FFA conversion results. Kapok was transesterified for 2 hours at temperature 6...

Treatment with recombinant human erythropoietin (rhEpo) induces a rise in blood oxygen-carrying capacity (CaO(2)) that unequivocally enhances maximal oxygen uptake (VO(2)max) during exercise in normoxia, but not when exercise is carried out in severe acute hypoxia. This implies that there should be a threshold altitude at which VO(2)max is less dependent on CaO(2). To ascertain which are the me...

Sb distribution in the phases of SiO2 saturated Sb-Fe-O-SiO2-CaO system was determined for first time through hightemperature experiment and quenching techniques, followed by Electron probe X-ray microanalysis (EPMA) air (Ptot = 1 atm, PO2 0.21 atm). The were quantified temperature range 900?C-1200?C effects Fe/SiO2 (mass fraction) CaO/SiO2 on Sb2O3 content investigated at 1200?C. results indic...

Scallop shell powder produced by calcination process - the average diameter of the powder particles being 20 µm (SSP) - was further ground into nano-sized particles, with average diameter of 500 nm, here designated CaO-Nano. Solution of CaO-Nano could inactivate avian influenza virus within 5 sec, whereas the solution of SSP could not even after 1 hr incubation. CaO-Nano solution could also ina...

S. T. Yang, M. Zhou, T. Jiang, X. X. Xue, P. N. Duan, W. J. Zhang: School of Metallurgy, Northeastern University, China Melting behavior is the precondition of liquid phase reaction, which is the foundation of sinter consolidation. Melting property measurement and sinter pot test were adopted to determine the melting temperature and strength of sinter with 13 % and 40 % vanadium-titanium ore ad...