MARIOTTINI , Gian Luigi

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The venomousness of Cnidaria is a subject of concern having great influence on human activities and public health. Notably, during jellyfish outbreaks some activities of economical concern, such as fishing and tourism, can be compromised. In some regions across the globe venomous jellyfish are known to be a very important sanitary problem, some...

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Many organisms produce bioactive substances used in the production of drugs. In this context, Cnidaria occupy a major position; for this reason, research on new bioactive substances has focused upon them as an interesting target. As a matter of fact, substances and extracts able to fight human diseases have been found in cnidarians, several of...

The toxicity of Cnidaria is a subject of concern for its influence on human activities and public health. During the last decades, the mechanisms of cell injury caused by cnidarian venoms have been studied utilizing extracts from several Cnidaria that have been tested in order to evaluate some fundamental parameters, such as the activity on...

Abstract: The production of natural toxins is an interesting aspect, which characterizes the physiology and the ecology of a number of marine species that use them for defence/offence purposes. Cnidarians are of particular concern from this point of view; their venoms are contained in specialized structures–the nematocysts–which, after...

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Marine sediments play an important role in the accumulation-storage and/or release of contaminants in seawaters; sediment bioassays provide for general information on pollutant bioavailability. This work points out the importance to utilize free and immobilised (Naalginate) marine algae for the ecotoxicological evaluation of metals (Cd, Zn, Cu)...

In the framework of the Risk Assessment procedure for the ecotoxicological evaluation of compounds used in the aquatic environment, tests with target species must be carried out. This paper reports the results concerning the evaluation of the acute toxicity of F-500 micelle encapsulator (Hazard Control Technologies Inc., Fayetteville, GA, USA)...

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Surfactants are synthetic chemicals utilized as detergents and cleaning products or as dispersants and emulsifiers to face water pollution. In spite of this, due to their wide diffusion, surfactants can induce water and soil pollution, notably in developed countries, and can be toxic to organisms. Taking into account that the assessment of new...

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Heavy metal pollution of coastal waters is a subject of concern in the management of the marine environment. Therefore, the protection of such environments needs the use of biological indicators able to support physico-chemical monitoring. Harpacticoid copepods can be suitable test species for their wide distribution, for their key-position...

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