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A bioassay of toxicity using protozoa in the study of aquatic environment pollution and its prevention
Apostol, S. (1973). A bioassay of toxicity using protozoa in the study of aquatic environment pollution and its prevention. Environ. Res. 6(4): 365-372
In: Environmental Research. Elsevier: Amsterdam. ISSN 0013-9351; e-ISSN 1096-0953, more
Peer reviewed article  
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Keyword
    Fresh water
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  • Apostol, S.
Abstract
    Protozoa are of particular importance in nature playing an active role in water purification. Since they are increasingly used as toxicological models in medicine and pharmacology, it is suggested that protozoa could be employed advantageously in the field of water pollution. Methods are described in this paper for short-term (acute) and long-term (chronic) toxicity evaluation in order to determine the degree of toxicity of various water-borne contaminants and to establish the tolerance to these agents. The technique consists in exposure of cultures of Paramecium caudatum Ehr. in serial dilution tests for short and extended time intervals. Results may be rapidly obtained within a few hours in the acute and within 2 weeks in the chronic tests.
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