نتایج جستجو برای: alkalization
تعداد نتایج: 378 فیلتر نتایج به سال:
BACKGROUND Conventional methods of preparing magnetoliposomes are complicated and inefficient. A novel approach for magnetoliposomes preparation was investigated in the study reported here. METHODS FeCl3/FeCl2 solutions were hydrated with lipid films to obtain liposome-encapsulated iron ions by ultrasonic dispersion. Non-encapsulated iron ions were removed by dialysis. NH3·H2O was added to th...
More than 380 Pg of carbon have been released by human activities from fossil fuel combustion and cement manufacturing since the beginning of the Industrial Revolution. This carbon release has caused atmospheric CO2 levels to increase by ∼100 ppmv compared to the highest interglacial value of the last ∼800,000 years. Net uptake of carbon by the oceans has caused the surface ocean pH to drop by ...
The coordinated expression of the genes involved in respiration in the photosynthetic cyanobacterium Synechocystis sp. PCC 6803 during the early period of glucose (Glc) treatment is poorly understood. When photoautotrophically grown cells were supplemented with 10 mm Glc in the light or after a dark adaptation period of 14 h, significant increases in the respiratory activity, as determined by N...
Following entry into the female reproductive tract, mammalian sperm undergo a maturation process termed capacitation that results in competence to fertilize ova. Associated with capacitation is an increase in membrane conductance to both Ca(2+) and K(+), leading to an elevation in cytosolic Ca(2+) critical for activation of hyperactivated swimming motility. In mice, the Ca(2+) conductance (alka...
Impaired L-carnitine uptake correlates with higher blood pressure in adult men, and L-carnitine restores endothelial function in aortic rings from spontaneously hypertensive rat (SHR). Thus, endothelial dysfunction in hypertension could result from lower L-carnitine transport in this cell type. L-Carnitine transport is mainly mediated by novel organic cation transporters 1 (Octn1, Na(+)-indepen...
The article presents information about the results of studying material composition, mineralogy and geochemistry deposits formed in Upper Cretaceous (K2) Santon strata North Konimekh uranium deposit located Kyzylkum region. Prospecting, appraisal exploration at mine is an urgent problem, as it focus attention many researchers. This provides extensive on underground alkalization, one methods for...
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