Abstract Synthetic single crystals of K[(Cu II ,Mn III ) 2 (TeO 3 ]·2H O were obtained from an overconcentrated alkaline aqueous solution in the system K O-MnO-CuO-TeO under hydrothermal conditions at T ≤ 220 °C. Subeuhedral have been investigated by means single-crystal X-ray diffraction. The crystal structure this new zemannite-type representative adopts a monoclinic twofold superstructure. d...

Catalytic activity and stability of iron hexacyanocobaltate (FeIII[CoIII(CN)6], Fe–Co) for organophosphate hydrolysis are improved by doping divalent metal ions (MII = MnII, NiII, or CuII). The catalytic a series (FeIII0.8MII0.3)[CoIII(CN)6] (FeM–Co compounds) was examined in mixed solution water ethanol [9:1 (v/v)] containing disodium p-nitrophenyl phosphate (p-NPP) at 60 °C. FeM–Co compounds ...

Systematic phase formation studies in the system MnII/TeIV/O/-(H) using either solid-state reactions between stoichiometric MnO:TeO2 mixtures or hydrothermal under basic conditions led to crystal growth of two polymorphs (?-, ?-) MnTeO3, Mn6Te5O16, Mn15(TeO3)14(OH)2 and Mn3(TeO3)2(OH)2. Although ?-MnTeO3 Mn6Te5O16 have been reported previously, structure refinements were missing so far. Whereas...

Transition-metal-substituted  (TMS)  polyoxometalates  of  the  general  formula  [SiW9M3O39], (where M = first row transition metal), has been synthesized and supported on anatase by sol–gel method under oil-bath condition. The tetrabutylammonium (TBA) salts of the Keggin-type polyoxotungstates  [SiW9M3O39],  (M = VII, CrII, MnII,  FeII CoII  and NiII),  proved  to  be  green, reusable,  and  ...

Melatonin regulates some major physiological processes such as maturation and function of reproductive system, pubertal development, seasonal reproduction and adaptation. The activation of melatonin hormone is mediated by melatonin receptor. Previous studies showed melatonin receptor 1A gene (MTNR1A) is highly polymorphic in seasonally breeding species. The aim of the present study was detectio...