Abstract. The flow of Pacific water to the North Atlantic exerts a globally significant control on nutrient balances between two ocean basins and strongly influences biological productivity in northwest Atlantic. Nutrient ratios nitrate (NO3-) versus phosphate (PO43-) have previously been used complement salinity characteristics tracing distribution We expand this premise demonstrate that fract...

Background: Surveys in Tanzania show that pregnant women have a significant burden of oral disease, although there is still little literature on the variation their intraoral electrolytes. The present study investigated changes salivary calcium (Ca2+), phosphate (PO43−), and hydrogen (H) ions during pregnancy correlation between pH hemoglobin levels. Methodology: A cross-sectional involved sixt...

Polar and charged amino acids (AAs) are heavily expressed in non-collagenous proteins (NCPs), and are involved in hydroxyapatite (HA) mineralization in bone. Here, we review what is known on the effect of single AAs on HA precipitation. Negatively charged AAs, such as aspartic acid, glutamic acid (Glu) and phosphoserine are largely expressed in NCPs and play a critical role in controlling HA nu...

Food security depends on sustainable phosphorus (P) fertilisers, which at present are mostly supplied from a finite rock phosphate source. Phosphate (PO43−) and ammonium (NH4+) in dairy processing wastewater can be recovered as struvite (Mg + NH4+ PO43− 6H20), nutrient rich mineral for fertiliser application. The objectives of this study were to (1) quantify the effects of, pH, temperature Mg: ...

Corn straw- and municipal sludge-derived biochars (CS-BC and MS-BC, respectively) were used to remove Pb(II) from aqueous solutions. Despite being pyrolysed at the same temperature (723 K), MS-BC showed higher porosity and hydrophobicity than CS-BC. The optimum biochar loading and pH values allowing efficient Pb(II) removal (greater than 80%) were 0.2 g l-1 and 7.0, respectively. The presence o...

The ability of a recent isolate, Tetraselmis sp. CTP4, for nutrient removal from sewage effluents before and after the nitrification process under batch and continuous cultivation was studied. Biomass productivities in both wastewaters were similar under continuous conditions (0.343±0.053gL-1d-1) and nutrient uptake rates were maximal 31.4±0.4mgNL-1d-1 and 6.66±1.57mgP-PO43-L-1d-1 in WW before ...

The present investigation provides data on physico-chemical parameters, some major ions and nutrients on water samples of Tinishu Akaki River (TAR), Ethiopia. The pH, temperature, electrical conductivity, total dissolved solids (TDS), dissolved oxygen (DO), chemical oxygen demand (COD), biological oxygen demand (BOD), Ca2+, Mg2+, HCO3-, SO42-, NO3-, NO2-, PO43-, Cland NH3 have been determined t...