With the implementation of policy ecological protection and high-quality development Yellow River Basin, Guohe which is close to middle reaches also an important part future development. Mathematical statistics, Piper diagram, ion proportion coefficient method, Gibbs diagram reverse hydrogeochemical simulation are used analyze chemical characteristics evolution groundwater in Basin (Henan Secti...

Marine teleost fish precipitate divalent cations as carbonate deposits in the intestine to minimize the potential for excessive Ca2+ entry and to stimulate water absorption by reducing luminal osmotic pressure. This carbonate deposit formation, therefore, helps maintain osmoregulation in the seawater (SW) environment and requires controlled secretion of HCO3(-) to match the amount of Ca2+ enter...

Measurements have been made of cytoplasmic pH, (pHi) and free Mg2+ concentration, ( [Mg2+]i), in pig and mouse lymphocytes. pHi was measured in four ways: by a digitonin null-point technique; by direct measurement of the pH of freeze-thawed cell pellets; from the 31P nuclear magnetic resonance (NMR) spectrum of intracellular inorganic phosphate; and by the use of a newly synthesized, intracellu...

Surface water is used for a variety of purposes, including agriculture, drinking water, and other services. Therefore, its quality crucial irrigation, human welfare, health. Thus, the main objective to improve surface assessment geochemical analysis evaluate anthropogenic activities’ impact on in Oued Laou watershed, Northern Morocco. Thirteen samples were characterized 26 physicochemical biolo...

Assessing water quality is necessary to ascertain its viability for domestic, industrial, and agricultural purposes. A total of 48 samples were, respectively, drawn from the Rivers Karawa Iyiaji located in Ezeagu Uzo-uwani which are typical rural areas Enugu State, Nigeria. These were taken two seasons (early rainy season late dry season). Physicochemical properties determined using standard me...

cAMP-gated channels were studied in inside-out membrane patches excised from the apical cellular pole of isolated olfactory receptor cells of the rat. In the absence of divalent cations the dose-response curve of activation of patch current by cAMP had a KM of 4.0 microM at -50 mV and of 2.5 microM at +50 mV. However, addition of 0.2 or 0.5 mM Ca2+ shifted the KM of cAMP reversibly to the highe...

This research was conducted to examine the drinking (WQI1) and irrigation (WQI2) water quality for Bhavani river basin using statistical methodologies. The study area geographically covers up 4207 km2. For evaluating Water Quality Index (WQI), fourteen groundwater parameters were employed data gathered two decades (1972–1990 & 2010–2019). include TDS, pH, EC, TH, Ca2+, Mg2+, Na+, K+, CO3 2-...

Mg2+-extrusion from Mg2+-loaded neurons of the leech, Hirudo medicinalis, is mediated mainly by Na+/Mg2+ antiport. However, in a number of leech neurons, Mg2+ is extruded in the nominal absence of extracellular Na+, indicating the existence of an additional, Na+-independent Mg2+ transport mechanism. This mechanism was investigated using electrophysiological and microfluorimetrical techniques. T...