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Effects of Different Microplastic Types and Surfactant-Microplastic Mixtures Under Fasting and Feeding Conditions: A Case Study on Daphnia magna
Bulletin of Environmental Contamination and Toxicology2019
76 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 50
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Andrea Blašković,
Andrea Blašković,
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Andrea Blašković,
Andrea Blašković,
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Andrea Blašković,
Andrea Blašković,
Andrea Blašković,
Andrea Blašković,
Andrea Blašković,
Andrea Blašković,
Eleonora Grazioli,
Eleonora Grazioli,
Andrea Blašković,
Andrea Blašković,
Andrea Blašković,
Andrea Blašković,
Andrea Blašković,
Andrea Blašković,
Eleonora Grazioli,
Eleonora Grazioli,
Monia Renzi
Andrea Blašković,
Andrea Blašković,
Monia Renzi
Andrea Blašković,
Monia Renzi
Andrea Blašković,
Monia Renzi
Eleonora Grazioli,
Monia Renzi
Eleonora Grazioli,
Monia Renzi
Andrea Blašković,
Monia Renzi
Monia Renzi
Andrea Blašković,
Monia Renzi
Andrea Blašković,
Andrea Blašković,
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Eleonora Grazioli,
Andrea Blašković,
Andrea Blašković,
Eleonora Grazioli,
Andrea Blašković,
Andrea Blašković,
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Eleonora Grazioli,
Eleonora Grazioli,
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Monia Renzi
Summary
Daphnia magna were exposed to PP, PE, PVC, and PVC/PE microplastics alone and mixed with surfactants under fasting and feeding conditions, with results showing that homo-agglomeration of plastic particles caused mortality and immobilization, PVC combined with surfactant was most toxic, and food presence reduced effects. The study demonstrates that microplastic type, surface chemistry, and food availability all interact to determine ecotoxicity.
This study evaluates the mortality and immobilization on Daphnia magna after 24-96 h of exposure to microplastic dispersions (PP, PE, PVC, PVC/PE), and to microplastic + surfactant solutions both under fasting and feeding conditions. The tested microplastics were analysed with μFT-IR to determine their chemical composition, purity, and dimensions. The results show that: (i) exposure under fasting conditions produces acceptable results on negative controls no later than 24 h; (ii) the dispersion of microplastics forms homo-agglomerates that are able to affect animals' motility and cause mortality and immobilization; (iii) different types of tested microplastic produce different effects on endpoints (the most toxic is PVC + surfactant); (iv) in all cases, the effects were reduced under feeding conditions (i.e. 4 times reduction of PE toxicity); (v) effects of surfactant on observed toxicity are microplastic-type dependent; (vi) the age of the animal affected the mortality and immobilization responses after exposure under both fasting and feeding conditions.