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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
Environmental Sources
Marine & Wildlife
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Bisphenol A and its analogues in sedimentary microplastics of Hong Kong
Marine Pollution Bulletin2021
29 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 40
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Keng Po Lai,
Keng Po Lai,
Hoi‐Shing Lo,
Keng Po Lai,
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Beverly H.K. Po,
Beverly H.K. Po,
Keng Po Lai,
Siu Gin Cheung
Hoi‐Shing Lo,
Siu Gin Cheung
Lei Li,
Siu Gin Cheung
Laam Li,
Richard Yuen Chong Kong,
Keng Po Lai,
Keng Po Lai,
Siu Gin Cheung
Lei Li,
Aman Yi Man Wong,
Siu Gin Cheung
Siu Gin Cheung
Siu Gin Cheung
Siu Gin Cheung
Siu Gin Cheung
Siu Gin Cheung
Siu Gin Cheung
Siu Gin Cheung
Siu Gin Cheung
Siu Gin Cheung
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Hoi‐Shing Lo,
Lei Li,
Lei Li,
Lei Li,
Keng Po Lai,
Keng Po Lai,
Aman Yi Man Wong,
Chris K.C. Wong,
Lei Li,
Siu Gin Cheung
Lei Li,
Lei Li,
Siu Gin Cheung
Richard Yuen Chong Kong,
Richard Yuen Chong Kong,
Siu Gin Cheung
Siu Gin Cheung
Siu Gin Cheung
Siu Gin Cheung
William Ka Fai Tse,
Siu Gin Cheung
Lei Li,
Siu Gin Cheung
Hoi‐Shing Lo,
Keng Po Lai,
Lei Li,
Siu Gin Cheung
Siu Gin Cheung
Hoi‐Shing Lo,
Siu Gin Cheung
Lei Li,
Siu Gin Cheung
William Ka Fai Tse,
Keng Po Lai,
Siu Gin Cheung
Chris K.C. Wong,
Siu Gin Cheung
Lei Li,
William Ka Fai Tse,
Keng Po Lai,
Hoi‐Shing Lo,
Siu Gin Cheung
Siu Gin Cheung
Hoi‐Shing Lo,
Hoi‐Shing Lo,
William Ka Fai Tse,
Lei Li,
Keng Po Lai,
Keng Po Lai,
Siu Gin Cheung
Lei Li,
Keng Po Lai,
Lei Li,
Lei Li,
Siu Gin Cheung
Summary
Researchers investigated the occurrence and spatial distribution of bisphenol A and its analogues (BPB, BPF, BPS) in microplastics collected from 11 beaches in Hong Kong, finding BPA as the dominant contaminant with concentrations ranging from 82.4 to 989 ng/g microplastic.
The occurrence and spatial distribution of bisphenol A (BPA) and analogues bisphenol B (BPB), bisphenol F (BPF) and bisphenol S (BPS) were investigated in microplastic on 11 beaches in Hong Kong. At 10 sites, BPA was the only detected chemical with concentrations ranged from 82.4-989 ng g microplastic. BPA, BPB and BPS co-occurred at only one site, where it is located close proximity to the outfall of a sewage treatment plant. There was no significant spatial difference of BPA concentrations in microplastic when all the sites were considered, indicating that some remote and presumably cleaner beaches have been contaminated. PE, PP and PS (represented >90% of total polymers) were the most dominated polymers, but there was no correlation between polymer types and BPA concentrations. No evidence was found that the BPA and its analogues accumulate on microplastic since the concentrations were comparable to those found in the sediment.