various ecosystems and organisms. An example of this is a work carried out by a team made up of researchers from the Polytechnic University of Madrid (UPM), the Complutense University of Madrid (UCM) and the University of Alcalá de Henares. (UAH). The objective of the research was to evaluate the impact of two types of microplastics used in the cosmetic industry and their interactions with two emerging pollutants – ibuprofen and simazine – in different organisms. The results obtained reveal the importance of designing a complete set of analyzes with organisms of different trophic levels that would allow establishing clear regulations that mainly affect food safety. Since the middle of the 20th century, the use of plastics has become widespread

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throughout the world, offering many advantages to daily life such as its lightness in transport, durability and adaptability to a wide range of functions. In 2018, global plastics production reached 359 Georgia WhatsApp Number List million tons. At the same time, and related to its durability, the accumulation of plastic waste has become a serious environmental problem. In recent years, special attention has been paid to the presence of microplastics in various ecosystems and organisms. Microplastics are plastic particles or fibers, with a maximum length of 5 mm, the result of the degradation of plastic waste, although there are also others for commercial use, mainly for the cosmetic and pharmaceutical industry. There are various works that have studied the problem of

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contamination by these tiny pieces of plastic in aquatic ecosystems, however, its impact on ecosystems and terrestrial organisms has not been analyzed in depth. Microplastics can act as vectors of contamination in terrestrial organisms. Source : UPM . In order to establish the ecotoxicological impact of microplastics and organic pollutants, this group of researchers carried out a set of specific bioassays for reference organisms of different trophic levels. Specifically, a soil worm ( Caenorhabditis elegans ) and a cultivated plant ( Lactuca sativa ) were studied . In a first approximation, the model organisms were studied through in vitro tests. “The results make it possible to assess their effect on these organisms, which reduces the risk of underestimating or

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