نتایج جستجو برای: picrate
تعداد نتایج: 439 فیلتر نتایج به سال:
A new complex of Cd(II) picrate (pic) based on the ligand 2,6-bis(N-methylbenzimidazol-2-yl)pyridine (mbbp) has been synthesized and characterized by elemental analysis, electrical conductivity, 1H NMR, IR and UV/Vis spectral measurements. The crystal structure of the Cd(II) complex, [Cd(mbbp)2](pic)2, has been determined by single-crystal X-ray diffraction. The Cd(II) cation is bonded to two m...
A new series of noncyclic ionophores containing two to four furan units (Ia to IIIb) i.e. 1,1-difurylethane (Ia), 2,5-bis(methylfurfuryl)furan (IIa) and 1,1’ ethyledenebis[5-(methylfurfuryl)furan] (IIIa), 2,2-difurylpropane (Ib), 2,5-bis (dimethylfurfuryl)furan(IIb), 2,2’-isopropylidenebis[5-(dimethylfurfuryl)furan] (IIIb) have been synthesized by the condensation of furan with acetaldehyde and...
None of the methods which have been used for isolating Z-(+)lysine from plant extracts and protein hydrolysates is ideal. The oldest method utilizes phosphotungstic acid to precipitate the basic nitrogenous compounds which must be fractionated subsequently (1, 2). In the Kossel-Kutscher silver sulfate-barium hydroxide fractionation (3) the lysine remaining in the final filtrate must be precipit...
We aimed to detect new cases of konzo and monitor cyanogen exposure from cassava flour in communities previously affected by konzo epidemics in Nampula Province, northern Mozambique. Other objectives were to detect subclinical upper motor neuron damage in schoolchildren and test a new kit to measure urinary thiocyanate concentration. In 1999 and 2000, we carried out active and passive case dete...
None of the methods which have been used for isolating Z-(+)lysine from plant extracts and protein hydrolysates is ideal. The oldest method utilizes phosphotungstic acid to precipitate the basic nitrogenous compounds which must be fractionated subsequently (1, 2). In the Kossel-Kutscher silver sulfate-barium hydroxide fractionation (3) the lysine remaining in the final filtrate must be precipit...
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