NDLI: Evaluation of the Joint Aquatic Toxicity of PNCB, MDNB and CDNB Acting on Brocarded Carp (Cyprinus Carpio)

Content Provider	IEEE Xplore Digital Library
Author	Hongyan Shen Jingliang Yang Min Li Fang Wang Zhenchuan Wang
Copyright Year	2008
Description	Author affiliation: Coll. of Environ. Sci. & Eng., Hebei Univ. of Sci. & Technol., Shijiazhuang (Hongyan Shen; Jingliang Yang; Min Li; Fang Wang; Zhenchuan Wang)
Abstract	In order to study the eco-toxicological combined effects of nitroaromatics compounds, joint toxicity test was used for examining the responses of aquatic organisms to three combination mixtures of most abundantly used nitroaromatics compounds in China, namely, para-nitrochlorobenzene (PNCB), m-dinitrobenzene (MDNB) and l-chloro-2,4-dinitrobenzene (CDNB). Brocarded carp was exposed to various concentrations of binary mixtures of three nitroaromatics compounds for 96 h. Four evaluation approaches (toxic units, additional Index, mixture toxic index and similarity parameter) were applied to evaluate the joint toxicity of three chemicals to Brocarded Carp. The results indicated that the joint action of PNCB and MDNB to fish was antagonistic action in 48 h and then was synergistic effect after 48 h. The joint toxicity effect of MDNB with CDNB was synergistic action on Brocarded carp. However, the binary mixtures action of PNCB with CDNB was antagonism when the chemicals were mixed by equi-toxicity ratios. The results show that joint toxicity of binary mixtures was more dependent on the exposure duration. The combined effect of binary mixtures having the same quantities of substituents would exceed the effect found for each of the compounds tested separately, and it was significantly strengthened compared with individual compound toxicities when they were co-existed in the water.
Starting Page	4578
Ending Page	4582
File Size	258884
Page Count	5
File Format	PDF
ISBN	9781424417476
DOI	10.1109/ICBBE.2008.304
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Materials testing Additives Toxicology Toxic chemicals Laboratories Ecosystems Educational institutions Organisms Water pollution Marine animals
Content Type	Text
Resource Type	Article

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