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Extremely low-frequency magnetic field decreased calcium, zinc and magnesium levels in costa of rat.    
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Extremely low-frequency magnetic field decreased calcium, zinc and magnesium levels in costa of rat.
zondag, 16 november 2014 - Dossier: Algemeen


Bron: www.ncbi.nlm.nih.gov/pubmed/20872091# .
Biol Trace Elem Res. 2011 Oct;143(1):359-67. doi: 10.1007/s12011-010-8855-2. Epub 2010 Sep 25.

Extremely low-frequency magnetic field decreased calcium, zinc and magnesium levels in costa of rat.

Ulku R1, Akdag MZ, Erdogan S, Akkus Z, Dasdag S.
1Department of Chest Surgery, Medical School of Dicle University, Diyarbakir, Turkey

Abstract
Electromagnetic field (EMF) can affect cells due to biochemical change followed by a change in level of ions trafficking through membrane. We aimed to investigate possible changes in some elements in costa of rats exposed to long-term extremely low-frequency magnetic field (ELF-MF). Rats were exposed to 100 and 500 μT ELF-MF, which are the safety standards of public and occupational exposure for 2 h/day during 10 months. At the end of the exposure period, the samples of costa were taken from the rats exposed to ELF-MF and sham. The levels of elements were measured by using atomic absorption spectrophotometry (AAS) and ultraviolet (UV) spectrophotometry. Ca levels decreased in the ELF-500 exposure group in comparison to sham group (p < 0.05). Statistically significant decrease was found in Mg levels in the ELF-500 exposure group in comparison to sham and ELF-100 exposure groups (p < 0.05). Zn levels were found to be lower in the ELF-500 exposure group than those in the sham and ELF-100 exposure groups (p < 0.05). No significant differences were determined between groups in terms of the levels of P, Cu and Fe. In conclusion, it can be maintained that long-term ELF-MF exposure can affect the chemical structure and metabolism of bone by changing the levels of some important elements such as Ca, Zn and Mg in rats.

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