Bulletin of the Korean Chemical Society

  • 제28권5호
  • /
  • Pages.800-804
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  • 2007
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Production and Degradation of Cyanobacterial Toxin in Water Reservoir, Lake Soyang

  • Pyo, Dong-Jin (Department of Chemistry, Kangwon National University) ;
  • Jin, Jung-Eun (Department of Chemistry, Kangwon National University)
  • 발행 : 2007.05.20
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초록

Cyanobacterial toxins, microcystins are very potent hepatotoxins and their occurrence has been reported all over the world. They could threaten human health when toxic Microcystis occurs in water supply reservoirs. In this study, the effects of several environmental factors on production and degradation of toxins produced by cyanobacteria in Lake Soyang have been studied. A new rapid quantification method of microcystins using fluorescence for a detection signal and a lateral-flow-type immunochromatography as a separation system was used. Culture age, temperature, light intensity, pH, N-nutrient concentration, P-nutrient concentration, iron and zinc concentration were the most importantly examined factors. The toxin content was the highest on 17-18 days and at temperatures between 20℃ and 25℃, and at pH between 8.4 and 8.8.

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