"Casein is known to have the character of a weak acid; it reddens wet l i tmus paper and forms salt-like compounds with metals. ''~ Thus Laqueur and Sackur began their classic paper on casein near ly 20 years ago3 Moreover, the relat ive strength of this acid was suggested even before m o d e m methods were available for its determinat ion, since i t "has the power of expelling carbonic anhydri...

OBJECTIVES The aim of this study was to determine whether patients with purging-type bulimia and/or non-bulimic patients, treated with serotonin reuptake inhibitor SI-5-HT (fluoxetine), have dental erosion and changes in selected buffer components of parotid saliva (bicarbonates, phosphates, urea), compared with the healthy population. METHODS A controlled clinical trial was designed for thre...

The major electrolyte change for a man working and living at 5.34 to 5.80 km. was shown by Dill and coworkers (1) to be a decrease in bicarbonate and sodium content of the serum and some increase in its chloride content. It was demonstrated by Davies, Haldane, and Kennaway (2) and by Leathes (3) that forced breathing of air resulted in a diuresis of an alkaline urine. It was also shown (2) that...

The increasing concentration of atmospheric CO2 due to human activities has resulted in serious environmental issues such as global warming and calls for efficient ways reduce from the environment. conversion into value-added compounds methane, formic acid, methanol emerged a promising strategy utilization. Among different techniques, enzymatic approach based on metabolic process cells presents...

In alkaline freshwater systems, the apparent absence of carbon limitation to gross primary production (GPP) at low CO2 concentrations suggests that bicarbonates can support GPP. However, contribution GPP has never been quantified in lakes along seasons. To detect origin inorganic maintaining GPP, we analyze daily stoichiometric ratios CO2–O2 and alkalinity–O2 a deep hardwater lake. Results show...

Ni/Al2O3 is an active catalysts for CO2 hydrogenation to both CH4 and CO. By doping with Ga, we succeeded in shifting the selectivity of these almost completely toward In-situ IR spectroscopy studies showed that catalyst activity directly related concentration surface hydroxyl groups are responsible adsorption formation intermediate bicarbonates formates on surface. The addition Ga improved Ni ...

The present study was designed to demonstrate the seasonal variations in physico-chemical parameters of fish farm at Govt. Nursery Unit, Muzaffargarh, Department of Fisheries Govt. of Punjab, Pakistan for a period of eight months from January to August 2008. Water samples were collected on fifteen days basis and have been analyzed for estimation of Air temperature, Water temperature, Light pene...

Quality of agriculture drain water was assessed from selected locations in Guntur district, Andhra Pradesh, India. Waste samples collected drains were analysed for quality parameters such as pH, electrical conductivity, total dissolved solids, hardness, chlorides, carbonates, bicarbonates, calcium, magnesium, sulphates, phosphates, sodium, potassium, ammonical nitrogen, nitrates oxygen and chem...