Abstract
This chapter discusses a study which evaluated the toxicity of either spiked or environmentally occurring sediment. In this study, spiking was carded out by using some selected inorganics [Cd(II), Cu(II), AI(III) and Fe(III)] and a herbicide, pentachlorophenol (PCP). Environmental sediments were tested on samples collected in a series of sentinel sites in the Mediterranean, Noah Sea and Baltic Sea. Sea urchin embryos and gametes have been utilized in toxicity testing for complex mixtures such as sediment samples. A number of toxicity endpoints can be evaluated by means of sea urchin bioassays, including developmental defects, changes in fertilization success, offspring quality, and cytogenetic abnormalities. The present investigation has attempted to develop new methods focusing on a relationship between the well-established procedures based on embryological and cytogenetic endpoints, and a new approach based on measurements of redox activities in developing sea urchin larvae, by means of chemiluminescence methods and the measurement of reduced glutathione levels.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
