نتایج جستجو برای: zinc and copper removal

تعداد نتایج: 16882447  

Journal: :iranian journal of neonatology 0
gholamali maamouri neonatal research center, school of medicine, ghaem hospital, mashhad university of medical sciences, mashhad, iran hassan boskabadi neonatal research center, school of medicine, ghaem hospital, mashhad university of medical sciences, mashhad, iran mehran noria neonatal research center, school of medicine, ghaem hospital, mashhad university of medical sciences, mashhad, iran hosein ayatollahi neonatal research center, school of medicine, ghaem hospital, mashhad university of medical sciences, mashhad, iran majid ghayour-mobarhan department of nutrition and biochemistry, mashhad university of medical sciences, mashhad, iran. abbas heshmati cardiovascular research center, avicenna (bu-ali) research institute, mashhad university of medical sciences, mashhad, iran

introduction minerals and trace elements such as zinc and copper have significant influence on development and growth of the fetus and newborn. the purpose of this study was to determine the relationship between low birth weight and maternal and neonatal zinc, copper levels. materials and methods this case – control study   was done from september 2006 to sep 2007 consisted of 65 infants with b...

2013
Mukesh Parmar Lokendra Singh Thakur

Electroplating and metalworking industries discharge large amounts of heavy metals, including copper (Cu), nickel (Ni) and zinc (Zn) ions, in their effluents have been recognized as a major problem to human health and aquatic life. Copper is highly toxic because it is non biodegradable and carcinogenic, Copper has been reported to cause neurotoxicity commonly known as “Wilson’s disease” due to ...

Journal: :Water environment research : a research publication of the Water Environment Federation 2008
Pauline D Johnson Padmanabhan Girinathannair Kurt N Ohlinger Stephen Ritchie Leah Teuber Jason Kirby

The goal of this study was to determine the removal efficiencies of chromium, copper, lead, nickel, and zinc from raw wastewater by chemically enhanced primary treatment (CEPT) and to attain a total suspended solids removal goal of 80%. Operating parameters and chemical doses were optimized by bench-scale tests. Locally obtained raw wastewater samples were spiked with heavy metal solutions to o...

Journal: :مجله بین المللی علوم آزمایشگاهی 0
ali fattahi bafghi mahboubehsadat sadeghian akbar baghiani arefeh dehghani tafti

background and aims: giardia lamblia infection is a common cause of food and water-borne diarrhea in non-sanitary communities. infections are common in children, particularly in child-care centers, backpackers, travelers, and homosexuals. zinc is necessary for the immune system functions. zinc deficiency is associated with acute diarrhea. copper is essential for the production of red blood cell...

Camellia Akhgarjand, Eznollah Azargashb, Hamid Rezvani, Kurosh Djafarian, Mohammad Reza Vafa,

Background: In acute lymphoblastic leukemia (ALL) the bone marrow loses its ability in the differentiation and maturation of blood cells at different stages. Zinc and copper are important co-factors for several enzymes and play an important role in maintenance of DNA integrity. Changes in serum levels of zinc and copper have been found in lymphoproliferative disorders. In the present study, the...

Journal: :journal of arthropod-borne diseases 0
f pourfallah department of biochemistry, pasteur institute of iran, tehran, iran s javadian department of biochemistry, pasteur institute of iran, tehran, iran z zamani department of biochemistry, pasteur institute of iran, tehran, iran r saghiri department of biochemistry, pasteur institute of iran, tehran, iran s sadeghi department of biochemistry, pasteur institute of iran, tehran, iran b zarea qom central hospital, qom, iran

background: the purpose of this study was to evaluate the levels of zinc (zn), copper (cu), iron (fe) and zinc/ cop­per ratio in the serum of patients with cutaneous leishmaniasis in qom province, center of iran. methods: serum levels of zinc and copper were determined by flame atomic absorption spectrophotometer and serum iron concentration was measured by using an auto analyzer. the study gro...

Background: The purpose of this study was to investigate the effect of copper and aluminum-zinc oxide nanoparticles and their synergistic effects with conventional biocides against Bacillus cereus. Methods: Synthesis of copper-zinc oxide, aluminum-zinc oxide nanoparticles performed via co- precipitation method and nanoparticle properties were investigated using FTIR, XRD and TEM. The antimicro...

Journal: :journal of tethys 0

soil contamination in the vicinity of the abandoned lakan lead and zinc mine was studied. the results showed that over the past decades, the environmental pollution was caused by lead, zinc tailings dam and acid mine drainage. the average of lead, zinc, cadmium, copper and nickel is 1295, 4273, 27, 185 and 92 mg/kg, respectively in the soils of tailings dam. these metals were continuously dispe...

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