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2000•Journal of Hangzhou Teachers CollegeRequires access

Toxic study of heavy metals on E. coli

Xin Dong

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Abstract

In this note we study the toxic effects of heavy metals on E. coli with the method of agar spread. Correlative analysis on concentration of heavy metals and diameter of antibacterial ring are presented. The results show that the toxic sequence of heavy metals on E. coli is Hg~(2+) Cd~(2+) Pb~(2+) Cu~(2+) Zn~(2+) and that the concentration of heavy metals and diameter of antibacterial ring is in significant positive correlation. Every heavy metal has dose-reaction relation.

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What this paper is about

In this note we study the toxic effects of heavy metals on E. coli with the method of agar spread. Correlative analysis on concentration of heavy metals and diameter of antibacterial ring are presented. The results show that the toxic sequence of heavy metals on E. coli is Hg~(2+) Cd~(2+) Pb~(2+) Cu~(2+) Zn~(2+) and that the concentration of heavy metals and diameter of antibacterial ring is in significant positive correlation. Every heavy metal has dose-reaction relation.

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Available abstract

In this note we study the toxic effects of heavy metals on E. coli with the method of agar spread. Correlative analysis on concentration of heavy metals and diameter of antibacterial ring are presented. The results show that the toxic sequence of heavy metals on E. coli is Hg~(2+) Cd~(2+) Pb~(2+) Cu~(2+) Zn~(2+) and that the concentration of heavy metals and diameter of antibacterial ring is in significant positive correlation. Every heavy metal has dose-reaction relation.

Key concepts: Heavy metals, Metal, Environmental chemistry, Chemistry, Ring (chemistry), Nuclear chemistry, Organic chemistry

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