Efeitos do campo eletromagnetico em celulas e bacterias / Effects of electromagnetic field in cell and bacteria

AUTOR(ES)

Marcia Regina Lombardo Amaduci

DATA DE PUBLICAÇÃO

2007

RESUMO

This research work studies some effects of an electromagnetic field applied on bacteria. The chosen bacterium is quite known in the scientific world, the Escherichia coli (E. coli). The experimental part was divided into the quantitative, qualitative and morphologic analysis on the life of bacterium Escherichia coli. The electromagnetic circuit was generated from a frequency of 60Hz. During a period of 18h, the bacteria connected to the electromagnetic circuit proliferated in watery way, and for each phase of the life cycle of E. coli LT1, dilutions in test tube were performed for the analysis of the absorbancy and counting of viable bacteria. At the same time, other test tubes holding the same sample in amount and quality were placed in a incubator, at the same temperature of the circuit, for a parallel analysis of its cycle of life. The work includes morphologic analysis, with the use of transmission electronic microscopy (TEM), and scanning electronic microscopy (SEM).

ASSUNTO(S)

microscopia eletronica microscopia eletronica de varredura electromagnetic fields scanning electron microscopes (sem) escherichia coli transmission electronic microscopy (tem) campos eletromagneticos

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