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Seasonal variations in pore water and solid phase geochemistry were investigated in urbanized minerotrophic peat sediments located in southwestern Michigan, USA. Sediment pore waters were collected anaerobically, using pore water equilibrators with dialysis membranes (“peepers”) and analyzed for pH, alkalinity, dissolved PO−3 4 , NH + 4 , S −2, SO−2 4 , Fe +3, Fe+2, and Mn+2 at 1–2 cm intervals...
Pollution of the environment by heavy metals, especially soil pollution with cadmium (Cd), is one of the most important environmental problems. Also, salinization of soils due to a decrease in irrigation water quality reduces plants growth. To investigate the effect of sugarcane bagasse biochars and salinity on Cd available and Cd fractions in a contaminated soil (15 mg kg-1 Cd), an experimenta...
background: celiac disease (cd), as an autoimmune disease has initiated since ingestion of food containing gluten. constant intolerance to gluten causes damages of the small intestinal mucosa. one reason of mal-absorption in children and infants is cd. additionally, about 75% of newly identified patients with cd have low bone mineral density (bmd). many factors have role in metabolic bone disea...
Soil contamination with heavy metals, including Cd and Pb, is of serious concern. The aim of this study was to investigate the efficiency of Atriplex verucifera, Salicornia europaea and Chenopodium album for simultaneous remediation of soil exchangeable sodium percentage and Cd and Pb contamination in two soils with different properties. Two soils, including a saline-sodic-calcareous (S1) and c...
Lys-gingipain (KGP), a lysine-specific cysteine proteinase, is one of the major virulence factors of Porphyromonas gingivalis. Here we examined the involvement of the catalytic domain of KGP (KGP(cd)) in hemoglobin binding by P. gingivalis, using a specific immunoglobulin G (IgG) elicited by the administration of plasmid DNA encoding KGP(cd) or the catalytic domain of Arg-gingipain (RGP(cd)). T...
Vanadium (III) gives a greenish- yellow complex with anthranilic acid in presence of pyridine. The complex is extractable with chloroform and is used for photometric determination of vanadium by measuring the absorbance at 390 nm against a reagent blank. Beer's Law holds good in the range of 1-20 pg V/ml. Moderate amounts of Pb (II) , Ca (II) , Sr (II) , Ba (II) , Cd (II) , Mg (II) , Mn (II...
abstract amino acids are building blocks of proteins, and play a vital role in living beings existence and their functionality. the interaction of these compounds with metal ions is of great importance to biochemists, and chemists, because their functions can be utilized as a model in understanding enzymes mechanism for transport of metal ions to tissues. among twenty essential amino acids w...
saffron essential oil has a pleasant aroma and medicinal activities. however, it is sensible into the environmental condition. therefore, it should be protected against unwanted changes during storage or processing. encapsulation is introduced as a process by which liable materials are protected from unwanted changes. in the present study, different ratios (0:100, 25:75, 50:50, 75:25, and 100:0...
1100 (CD-ROM). [9] Stofan, E.R. et al. (2001) Icarus, 152, 75-95. Table 1. Statistics relating to each morphological class in the catalogue. Volcano class Frequency Mean diameter
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