نتایج جستجو برای: tellurium

تعداد نتایج: 9997  

Journal: :Chemical communications 2009
David H Webber Richard L Brutchey

Well-defined tellurium nanorods have been prepared by the photolysis of (t)Bu2Te2 in an aqueous micellar system incorporating dodecanethiol as an auxiliary morphology-directing agent.

Journal: :Nature 1904

Journal: :journal of nanostructures 2014
m. panahi-kalamuei m. mousavi-kamazani m. salavati-niasari

tellurium (te) nanostructures have been successfully synthesized via a simple hydrothermal methodfrom the reaction of a tecl4 aqueous solution with thioglycolic acid (tga) as a reductant. tga can be easily oxidized to the corresponding disulfide [sch2co2h]2, which in turn can reduce tecl4 to te. the obtained te was characterized by xrd, sem, eds, and drs. the effect of reducing agent on morphol...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1992
A D Toews I R Griffiths E Kyriakides J F Goodrum C E Eckermann P Morell C E Thomson

Exposure of developing rats to tellurium results in a highly synchronous segmental demyelination of peripheral nerves with sparing of axons; this demyelination is followed closely by a period of rapid remyelination. Demyelination occurs subsequent to a tellurium-induced block in the synthesis of cholesterol, the major myelin lipid. We utilized the techniques of Northern blotting, in situ hybrid...

Mir Fazlollah Mousavi Mojtaba Shamsipur,

A Simple, rapid and sensitive method has been developed for determination of trances of tellurium (VI) (0.096-1.250 mg/mL) based on its catalytic effect on the reduction reaction of toluidine blue by sulfide ion at pH 4. The reaction is monitored spectrophotometrically by measuring the decrease in absorbance of the dyestuff at 628 nm by the fixed time method. The detection...

Manoucher Esmaiilzadeh Masoumeh Tabatabaee

A simple, rapid and sensitive method has been developed for determination of traces of tellurium (IV) (7.0-120.0 ng/ml) based on it’s catalytic effect on the reduction reaction of lauth’s violet by sulfide ion at pH 4.2. The reaction is monitored spectrophotometrically by measuring the decrease in absorbance of lauth’s viole at 600 nm by the fixed time method. The detection limit is 5.0 ng/ml a...

Journal: :American Journal of Science 1909

Journal: :Physics Procedia 2015

2007
Zong-Hong Lin Zusing Yang Huan-Tsung Chang

We have demonstrated a simple approach to the synthesis of fluorescent trigonal tellurium (t-Te) nanowires in aqueous solution at room temperature. The t-Te nanowires were prepared from the reduction of tellurium dioxide (TeO2) with concentrated hydrazine solution through deposition of Te atoms that were reduced from telluride ions (Te) and dissolved from amorphous tellurium (a-Te) nanoparticle...

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