نتایج جستجو برای: sodium metavanadate
تعداد نتایج: 187642 فیلتر نتایج به سال:
Background: Cryopreservation of ovarian tissue is an important option in order to preserve the fertility of cancer patients undergoing chemotherapy and radiotherapy. There are many reports on adding some materials such as calcium, ascorbate and antioxidants to freezing medium. Vanadium is one of the minerals, which is very important as a trace element for normal cell function as well as develop...
The use of different vanadium sources in the synthesis multi-metal MoVTeNb oxide catalysts has been investigated for their effect on physicochemical properties catalysts. Metal oxides were synthesized by slurry method assisted with a microwave irradiation. Vanadium pentoxide (V2O5), vanadyl sulphate (VOSO4) and ammonium metavanadate (NH4VO3) used as sources, respectively. X-ray diffraction (XRD...
Rat sperm that have been rendered passive by disabling the dynein motors with 50 muM sodium metavanadate and 0.1 mM ATP exhibit an interesting response to imposed bending. When the proximal flagellum is bent with a microprobe, the portion of the flagellum distal to the probe contact point develops a bend in the direction opposite the imposed bend. This "counterbend" is not compatible with a sim...
The understanding of how environmental exposures interact with genetics in central nervous system dysfunction has gained great momentum in the last decade. Seminal findings have been uncovered in both mammalian and non-mammalian model in large result of the extraordinary conservation of both genetic elements and differentiation processes between mammals and non-mammalians. Emerging model organi...
preparation of 2-chlorobenzonitrile, and benzonitrile are reported here from the corresponding 2-chlorobenzaldehyde and benzaldehyde by the reaction of ammonium hydroxide/vpo titania, vpo bulk (ammonium metavanadate) cucr catalyst/air system in methanol. all these catalysts showed better conversions with reasonable selectivity to aromatic. the results prove that bet surface area results show vp...
Preparation of 2-Chlorobenzonitrile, and benzonitrile are reported here from the corresponding 2-Chlorobenzaldehyde and benzaldehyde by the reaction of ammonium hydroxide/VPO titania, VPO bulk (...
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