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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
Marine & Wildlife
Nanoplastics
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A baseline study on the impact of nanoplastics on the portals of entry of xenobiotics in fish
Marine Pollution Bulletin2021
14 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 45
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
I. Brandts,
I. Brandts,
Mariana Teles,
Mariana Teles,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Ângela Barreto,
Ângela Barreto,
Ângela Barreto,
Ângela Barreto,
Ângela Barreto,
Ângela Barreto,
Ângela Barreto,
I. Brandts,
I. Brandts,
I. Brandts,
I. Brandts,
I. Brandts,
I. Brandts,
I. Brandts,
I. Brandts,
R. Solà,
I. Brandts,
Ângela Barreto,
I. Brandts,
I. Brandts,
I. Brandts,
Mariana Teles,
I. Brandts,
Mariana Teles,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Ângela Barreto,
Ângela Barreto,
I. Brandts,
I. Brandts,
Manuel A. Martins,
Asta Tvarijonaviciute,
R. Solà,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
I. Brandts,
I. Brandts,
I. Brandts,
Asta Tvarijonaviciute,
Asta Tvarijonaviciute,
Asta Tvarijonaviciute,
Asta Tvarijonaviciute,
Manuel A. Martins,
Manuel A. Martins,
Manuel A. Martins,
Manuel A. Martins,
Manuel A. Martins,
Ângela Barreto,
Manuel A. Martins,
Miguel Oliveira
Manuel A. Martins,
Manuel A. Martins,
Miguel Oliveira
Miguel Oliveira
Manuel A. Martins,
Manuel A. Martins,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Mariana Teles,
Asta Tvarijonaviciute,
Miguel Oliveira
Asta Tvarijonaviciute,
Asta Tvarijonaviciute,
Miguel Oliveira
Ângela Barreto,
Miguel Oliveira
Miguel Oliveira
Manuel A. Martins,
Manuel A. Martins,
Miguel Oliveira
Asta Tvarijonaviciute,
Miguel Oliveira
Miguel Oliveira
Manuel A. Martins,
Manuel A. Martins,
Ângela Barreto,
Manuel A. Martins,
Mariana Teles,
Manuel A. Martins,
Ângela Barreto,
Asta Tvarijonaviciute,
Miguel Oliveira
Mariana Teles,
I. Brandts,
Asta Tvarijonaviciute,
Mariana Teles,
Mariana Teles,
Mariana Teles,
Mariana Teles,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Asta Tvarijonaviciute,
Asta Tvarijonaviciute,
Mariana Teles,
Manuel A. Martins,
Asta Tvarijonaviciute,
Miguel Oliveira
Mariana Teles,
Miguel Oliveira
Mariana Teles,
Mariana Teles,
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Miguel Oliveira
Asta Tvarijonaviciute,
Asta Tvarijonaviciute,
Manuel A. Martins,
Mariana Teles,
Mariana Teles,
Mariana Teles,
Miguel Oliveira
Miguel Oliveira
Mariana Teles,
Miguel Oliveira
Miguel Oliveira
Mariana Teles,
Miguel Oliveira
Mariana Teles,
Mariana Teles,
Mariana Teles,
Mariana Teles,
Mariana Teles,
Mariana Teles,
Miguel Oliveira
Summary
This study assessed the impact of polymethylmethacrylate nanoplastics on mucosal barriers of gilthead seabream, finding that nanoplastics disrupted gill and intestinal epithelia integrity, altered mucus composition, and impaired the fish's first lines of defense against environmental contaminants.
Mediterranean waters are particularly vulnerable to plastic pollution, with plastic particles concentrations comparable to those found in oceanic gyres. This work aimed to assess the impact of polymethylmethacrylate nanoplastics (PMMA-NPs) on the most important mucosal barriers of the gilthead seabream (Sparus aurata), a highly consumed fish species in the Mediterranean area. Fish were waterborne exposed to NPs (0.001-10 mg/L) for 24 and 96 h, and biochemical parameters associated with oxidative status (total oxidative status and total antioxidant capacity) and immune function (adenosine deaminase, ADA, acetylcholinesterase activity, AChE, and esterase activity, EA) were assessed in gills, intestine, and skin. In intestine, PMMA-NPs led to oxidative status alterations and decreased ADA and EA. In gills, PMMA-NPs induced EA decrease and AChE activity increase. Total protein values were significantly increased in skin. Overall, more alterations were observed in intestine, suggesting it may be one of the most affected tissues by exposure to NPs.