نتایج جستجو برای: zinc sulfate nanoparticles

تعداد نتایج: 233295  

2013
Barbora JANÍKOVÁ Lucie NEUWIRTHOVÁ Lenka MATĚJOVÁ Vlastimil MATĚJKA

Nanostructured zinc oxide is intensively studied semiconductor showing photocatalytical activity. There are several precursors which can be used for the preparation of nanostructured zinc oxide like zinc acetate, zinc sulphate and many others. Zinc chloride is another compound which can serve as a zinc source for zinc oxide preparation. Nowadays the environmental aspects connected to applicatio...

Journal: :Anais da Academia Brasileira de Ciencias 2017
Maysa S Areas Ricardo M Gonçalves José M Soman Ronaldo C Souza Ricardo Gioria Tadeu A F DA Silva Antonio C Maringoni

Bacterial spot, caused by Xanthomonas spp., is one of the major bacterial diseases in pepper (Capsicum annuum L.). The infection results in reduced crop yield, particularly during periods of high rainfall and temperature, due to the low efficiency of chemical control with copper bactericides. This study evaluated the copper and zinc sulfate sensitivity of 59 pathogenic strains of Xanthomonas eu...

2013
A Sivakumar R Murugan K Sundaresan S Periyasamy

Ultra-violet protection and self-cleaning action of nano zinc oxide (ZnO) and titanium di-oxide (TiO2) with acrylic binder has been assessed on the cotton fabric using pad-dry-cure method. Different precursors, such as zinc acetate and titanium tetrachloride have been used to synthesize nanoparticles. Zinc acetate is synthesized into nanoparticle by wet chemical technique and titanium tetrachlo...

Journal: :Metal-Based Drugs 2008
Keiichi Sakamoto Eiko Ohno-Okumura Taku Kato Masaki Watanabe Michael J. Cook

The phthalocyanine analogue containing nonperipheral long alkyl-substituted benzenoid rings and pyridine rings, zinc bis(1,4-didecylbenzo)-bis(2,3-pyrido) porphyrazine, was synthesized. Zinc bis(1,4-didecylbenzo)-bis(2,3-pyrido) porphyrazine reacted with dimethyl sulfate and monochloroacetic acid to produce their quaternized products and diethyl sulfate to produce the sulfo-substituted products...

2016
Mei X Chen Kenneth S Alexander Gabriella Baki

Background. Skin infections occur commonly and often present therapeutic challenges to practitioners due to the growing concerns regarding multidrug-resistant bacterial, viral, and fungal strains. The antimicrobial properties of zinc sulfate and copper sulfate are well known and have been investigated for many years. However, the synergistic activity between these two metal ions as antimicrobia...

2011
Reza Yaghoobi Mohammad Omidian Nooshin Bagherani

BACKGROUND Vitiligo is the most prevalent pigmentary disorder which occurs worldwide, with an incidence rate between 0.1-4 percent. It is anticipated that the discovery of biological pathways of vitiligo pathogenesis will provide novel therapeutic and prophylactic targets for future approaches to the treatment and prevention of vitiligo. The purposes of this study were evaluating the efficacy o...

Bemanali Jalali, Maryam Rashidi, Mohammad Afkhami-Ardekani, Parichehr Yaghmaei, Robab Sheikhpour,

OBJECTIVE: The present study was performed to compare the antioxidant effect of two different doses of zinc on lipid oxidation in type 2 diabetic patients. MATERIALS AND METHODS: This double-blind, randomized controlled trial was conducted on 60 type 2 diabetic patients in Yazd Diabetes Research Center in 2008. The subjects were randomly allocated to receive Zinc sulfate (Iran, Alhavi) either ...

Akbar Zendehnam Fatemeh Hassanpour Kambiz Hedayati,

In this research zinc sulfide (ZnS) nanoparticles and nanocomposites powders were prepared by chemical precipitation method using zinc acetate and various sulfur sources. The ZnS nanoparticles were characterized by X-ray diffraction, scanning electron microscopy, ultraviolet-visible and fourier transform infra-red. The structure of nanoparticles was studied using X-ray diffraction pattern. The ...

Journal: :Journal of biomedical materials research. Part B, Applied biomaterials 2009
Saeed Hesaraki Roghayeh Nemati Hamid Nazarian

In the present study, series of Zn incorporated calcium sulfate bone cements, with different amounts of doped Zn(0, 0.74, 1.97, 3.05, 4.21 wt %) were prepared by mixing a calcium sulfate hemihydrate powder and solutions of zinc sulfate, and the effect of zinc-doping on some physical, physico-chemical, and biological properties of the cements were investigated. Pure calcium sulfate cement was al...

BACKGROUND: Zinc (Zn) is one of the most important essential elements in the body of animals and plants. Zinc plays a significant role in the structure of more than 300 different proteins and in many life supporting biochemical and metabolic processes such as cellular respiration and protection against free radicals. Nanoparticles of zinc are the new form of Zinc used in cosmetic and personal c...

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