2021
DOI: 10.1016/j.scitotenv.2021.145669
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Uptake and effects of graphene oxide nanomaterials alone and in combination with polycyclic aromatic hydrocarbons in zebrafish

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Cited by 25 publications
(17 citation statements)
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“…Abnormalities/ clinical signs evidenced included alterations in locomotor activity, exploratory behaviour, and predator avoidance associated with a change in neurological behaviour in D. rerio exposed to GO (few layer, 3.0 μm) and rGO (few layer, 5.4 μm) at nominal concentrations of 0.1 and 1 mg/L and 0.1 and 0.5 mg/L, respectively (Audira et al, 2021). Effects in the brain including a reduction in acetylcholinesterase (AChE) activity and loss of dopaminergic neurons in the brains of D. rerio exposed to GO (few layer, 0.5 μm-<13 μm) at concentration of 2 mg/L were also reported (Martínez-Álvarez et al, 2021). This, together with gill and liver histopathological and biochemical alterations following exposure to other GO nanoforms, may indicate potential chronic effects that warrants further investigation and testing (Souza et al, 2017;Chen et al, 2016).…”
Section: Fish Acute Toxicitymentioning
confidence: 92%
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“…Abnormalities/ clinical signs evidenced included alterations in locomotor activity, exploratory behaviour, and predator avoidance associated with a change in neurological behaviour in D. rerio exposed to GO (few layer, 3.0 μm) and rGO (few layer, 5.4 μm) at nominal concentrations of 0.1 and 1 mg/L and 0.1 and 0.5 mg/L, respectively (Audira et al, 2021). Effects in the brain including a reduction in acetylcholinesterase (AChE) activity and loss of dopaminergic neurons in the brains of D. rerio exposed to GO (few layer, 0.5 μm-<13 μm) at concentration of 2 mg/L were also reported (Martínez-Álvarez et al, 2021). This, together with gill and liver histopathological and biochemical alterations following exposure to other GO nanoforms, may indicate potential chronic effects that warrants further investigation and testing (Souza et al, 2017;Chen et al, 2016).…”
Section: Fish Acute Toxicitymentioning
confidence: 92%
“…Following a detailed review of the literature, 13 studies were identified relating to the toxicity testing of graphene materials using fish (Table 3). The materials tested included large sized (15 μm) graphene platelets (Al-Rudainy, 2019), both large (~500 nm) and small sized (~30 nm) FLG sheets (Lu et al, 2015), single layer GO (Souza et al, 2017(Souza et al, , 2019Jia et al, 2019;Sun et al, 2019;Martínez-Álvarez et al, 2021;Chen et al, 2016;Qiang et al, 2016), bi-layer rGO (Audira et al, 2021), as well as quantum dots (5-15 nm) modified through reduction, hydroxylation and amination (r-GQDs, OH-GQDs, NH 2 -GQD) (Hu et al, 2019). In 9 out of the 11 studies the fish species used was the zebrafish Danio rerio (2-8 months), while both a juvenile and adult common carp Cyprinus carpio were also used by Qiang et al (2016) and Al-Rudainy (2019), respectively.…”
Section: Fish Acute Toxicitymentioning
confidence: 99%
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“…This leaching can also occur during the adsorption process, making it difficult to control. Even though the toxic effects of GO are poorly understood, there is substantial evidence to show that GO has the ability to penetrate through the cell membranes of aquatic organisms [81,82]. Moreover, GO has the capacity to carry polycyclic aromatic hydrocarbons to aquatic organisms, causing significant toxicity [83].…”
Section: Adsorption At Graphene Oxidementioning
confidence: 99%
“…Samples were preserved at − 80 °C until analysis. We prioritised the use of males for the gene transcription levels based on the results obtained in previous studies [71,72,83].…”
Section: Gene Transcription Analysismentioning
confidence: 99%