First record of plastic ingestion by a freshwater stingray

Trindade, Paulo Arthur A.; Brabo, Lucio; Andrades, Ryan; Azevedo‐Santos, Valter M.; Andrade, Marcelo C.; Candore, Laura; Cabigliera, Serena Benedetta; Chelazzi, David; Cincinelli, Alessandra; Jeffres, Carson A.; Giarrizzo, Tommaso

doi:10.1016/j.scitotenv.2023.163199

Cited by 4 publications

(6 citation statements)

References 73 publications

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“… Bottom trawl Necropsy FTIR spectroscopy Cleaning of worksurfaces and instruments, petri dishes to airborne contamination 1.2 ± 5 MPs.individual −1 [ 17 ] Hypanus guttatus Purchased from fisherman Necropsy FTIR spectroscopy Cleaning and covering of instruments, use of fume hood, natural fiber laboratory clothing, maintenance of doors and windows closed in workstation, petri dishes to airborne contamination 2.4 ± 1.7 MPs.individual −1 [ 52 ] Stream fish (14 spp.) Hand nets (3 mm mesh) Necropsy, digestion (H 2 O 2 , room temperature), filtration (0.2 μm mesh) Microscopy Petri dishes to airborne contamination, cleaning and covering of instruments, filtration of solutions, cotton field and laboratory clothing, use of metal instruments, fixation liquid analysis, cotton cover on microscope 5.6 ± 3.8 MPs.individual −1 [ 50 ] Potamotrygon leopoldi Longline and cast net Necropsy FTIR spectroscopy Cotton laboratory clothing, reduced personnel in workstation, non-use of air conditioning, cleaning and covering of instruments, filtration of solutions, use of fume hood, petri dishes to airborne contamination 3.8 ± 1.6 MPs.individual −1 [ 51 ] River fish (15 spp.) Purchased from local market Necropsy, digestion (10 Mol.…”

Section: Resultsmentioning

confidence: 99%

“…Fish have been collected by bottom trawls [ 17 , 49 ], hand nets [ 50 ], longlines and cast nets [ 51 ], or purchased from fishermen [ 52 , 53 ] or in local markets [ 54 , 55 ]. Invertebrates were collected manually by active searching [ 39 , 40 ].…”

Section: Resultsmentioning

confidence: 99%

“…MP was reported in the digestive tract of 38 fish species of the middle amazon basin, including the endemic Xingu River ray ( Potamotrygon leopoldi ) [ 49 , 51 , 77 ]. The detected debris were classified as fibers, spheres, foam, and hard and soft fragments, in 14 different colors.…”

Section: Resultsmentioning

confidence: 99%

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Microplastics in the Amazon biome: State of the art and future priorities

Morais,

Queiroz,

Brito

et al. 2024

Heliyon

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Microplastics in the Amazon biome: State of the art and future priorities

Morais,

Queiroz,

Brito

et al. 2024

Heliyon

Self Cite

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“…Interestingly, some commonly consumed fish have been detected with MPs in their digestive tracts but not in the edible parts of the fish because they had been gutted before consumption, thus causing negligible risk of direct exposure [ 174 , 175 , 176 , 177 ]. In particular, the sardines, minnows, and brown/brine shrimp, which are typically eaten whole in the food chain, would facilitate the potential transfer and accumulation of MPs within the tops of the food chain [ 174 , 178 ], namely, large fish and filter-fed megafauna [ 175 ].…”

Section: Risk Of Plastic Particles Entering the Human Body Via The Fo...mentioning

confidence: 99%

Sources, Degradation, Ingestion and Effects of Microplastics on Humans: A Review

Lin,

Huang,

Chen

et al. 2023

Toxics

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Celluloid, the predecessor to plastic, was synthesized in 1869, and due to technological advancements, plastic products appear to be ubiquitous in daily life. The massive production, rampant usage, and inadequate disposal of plastic products have led to severe environmental pollution. Consequently, reducing the employment of plastic has emerged as a pressing concern for governments globally. This review explores microplastics, including their origins, absorption, and harmful effects on the environment and humans. Several methods exist for breaking down plastics, including thermal, mechanical, light, catalytic, and biological processes. Despite these methods, microplastics (MPs, between 1 and 5 mm in size) continue to be produced during degradation. Acknowledging the significant threat that MPs pose to the environment and human health is imperative. This form of pollution is pervasive in the air and food and infiltrates our bodies through ingestion, inhalation, or skin contact. It is essential to assess the potential hazards that MPs can introduce. There is evidence suggesting that MPs may have negative impacts on different areas of human health. These include the respiratory, gastrointestinal, immune, nervous, and reproductive systems, the liver and organs, the skin, and even the placenta and placental barrier. It is encouraging to see that most of the countries have taken steps to regulate plastic particles. These measures aim to reduce plastic usage, which is essential today. At the same time, this review summarizes the degradation mechanism of plastics, their impact on human health, and plastic reduction policies worldwide. It provides valuable information for future research on MPs and regulatory development.

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“…Polyamide microplastics inside organisms have also been reported one after another. Polyamides are the most common polymers in pig lungs with a share of up to 46.11% [31], and microplastics account for up to 35.6% among ten fish species in the English Channel [32]. Polyamide microplastics have also appeared in the sediments and gastrointestinal tracts of Halibut roundworms and widely consumed Nile tilapia (Oreochromis niloticus) [33,34].…”

Section: Introductionmentioning

confidence: 99%

Recycling and Degradation of Polyamides

Zheng,

Wang,

et al. 2024

Molecules

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As one of the five major engineering plastics, polyamide brings many benefits to humans in the fields of transportation, clothing, entertainment, health, and more. However, as the production of polyamide increases year by year, the pollution problems it causes are becoming increasingly severe. This article reviews the current recycling and treatment processes of polyamide, such as chemical, mechanical, and energy recovery, and degradation methods such as thermal oxidation, photooxidation, enzyme degradation, etc. Starting from the synthesis mechanism of polyamide, it discusses the advantages and disadvantages of different treatment methods of polyamide to obtain more environmentally friendly and economical treatment schemes. Finding enzymes that can degrade high-molecular-weight polyamides, exploring the recovery of polyamides under mild conditions, synthesizing environmentally degradable polyamides through copolymerization or molecular design, and finally preparing degradable bio-based polyamides may be the destination of polyamide.

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First record of plastic ingestion by a freshwater stingray

Cited by 4 publications

References 73 publications

Microplastics in the Amazon biome: State of the art and future priorities

Microplastics in the Amazon biome: State of the art and future priorities

Sources, Degradation, Ingestion and Effects of Microplastics on Humans: A Review

Recycling and Degradation of Polyamides

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