نتایج جستجو برای: zinc copper oxide

تعداد نتایج: 302864  

2015

Zinc oxide (ZnO) is one of the light in ultraviolet (UV) region. In addition, ZnO nano attracting increasing research interest as buildin optoelectronic applications. We have succeede vertically-aligned ZnO nanostructures by laser inter which is catalyst-free and non-contact techniq vertically-aligned ZnO nanowall arrays were two-beam interference. The maximum height and a the ZnO nanowalls wer...

2011
A.J. Russo Robert deVito

AIM To assess plasma zinc and copper concentration in individuals with Asperger's Syndrome, Pervasive Developmental Disorder-Not Otherwise Specified (PDD-NOS) and autistic disorder, and to analyze the efficacy of zinc therapy on the normalization of zinc and copper levels and symptom severity in these disorders. SUBJECTS AND METHODS Plasma from 79 autistic individuals, 52 individuals with PDD...

Journal: :The British journal of ophthalmology 1990
N Akyol O Değer E E Keha S Kiliç

Serum and aqueous humour zinc and copper concentrations of 44 patients with glaucoma and cataract were determined. Serum values were found within normal ranges. The highest mean copper concentration was seen in the glaucoma group. In addition there was a significant negative correlation between the aqueous humour levels of zinc and copper in patients with glaucoma. It was concluded that an incr...

Ali Keshavarz, Giti Abouhossein, Mahmood Jalali,

SUMMARY The purpose of this study is to compare the level of zinc, copper and the ratio of zinc to copper in serum of patients who are suffering from acute myocardial infarction with healthy men. In 10 ml blood samples from 45 men on the second day of myocardial infarction and 51 healthy men volunteers matched for age, serum zinc, copper, cholesterol and triglycerides were measured. Zinc and c...

2017
Daniela Schlichting Christine Sommerfeld Christine Müller-Graf Thomas Selhorst Matthias Greiner Antje Gerofke Ellen Ulbig Carl Gremse Markus Spolders Helmut Schafft Monika Lahrssen-Wiederholt

The aim of this study was to examine the contamination of game meat with copper and zinc and establish whether the use of alternative (non-lead) ammunition can lead to higher or unsafe levels of copper and zinc in the meat of roe deer, wild boar and red deer. The research project "Safety of game meat obtained through hunting" (LEMISI) was conducted in Germany with the purpose of examining the e...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2004
Takayuki Nakai Yoshiko Murakami Yoshiaki Sasaki Isamu Fujiwara Shoji Tagashira

The extraction and separation of copper(II), zinc(II), cobalt(II), and cadmium(II) were investigated. Both copper(II) and zinc(II) formed ammine-complexes, while cadmium(II) and cobalt(II) formed hydroxide precipitates in an ammonia medium. By the addition of sodium dodecylsulfate (SDS), a copper(II) complex formed an ion-pair (copper-ammine-DS), which was extracted into the SDS phase. However,...

Journal: :Nutricion hospitalaria 2007
A M Menéndez A R Weisstaub H Montemerlo F Rusi Ma E Guidoni A Piñeiro Ma L Pita Martín de Portela

OBJECTIVES 1) to determine zinc and copper levels of contamination in the individual component solutions used to prepare the pediatric total parenteral nutrition mixtures in Argentina; 2) to compare zinc and copper amounts prescribed by the physician with the true amount given to a neonate weighing 1.2 kg and to a child weighing 10 kg, who would receive total parenteral nutrition formulas prepa...

Journal: :The Journal of nutrition 1989
M P Richards

Metallothionein is a copper- and zinc-binding protein present in most, if not all, tissues of higher eukaryotic species of animals. This review focuses on what is currently known about the characteristics, detection, occurrence, synthesis and turnover of metallothionein, specifically in livestock animals. The function of metallothionein in copper and zinc metabolism, though widely acknowledged,...

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