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Bioaccessibility of arsenic and cadmium assessed for in vitro bioaccessibility in spiked soils and their interaction during the Unified BARGE Method (UBM) extraction

Xia, Qing ; Peng, Cheng ; Lamb, Dane ; Mallavarapu, Megharaj ; Naidu, Ravi ; Ng, Jack C

Chemosphere, March 2016, Vol.147, pp.444-50 [Tạp chí có phản biện]

E-ISSN: 1879-1298 ; PMID: 26774311 Version:1 ; DOI: 10.1016/j.chemosphere.2015.12.091

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  • Nhan đề:
    Bioaccessibility of arsenic and cadmium assessed for in vitro bioaccessibility in spiked soils and their interaction during the Unified BARGE Method (UBM) extraction
  • Tác giả: Xia, Qing ; Peng, Cheng ; Lamb, Dane ; Mallavarapu, Megharaj ; Naidu, Ravi ; Ng, Jack C
  • Chủ đề: Bioaccessibility ; Contaminated Soil ; In vitro Assessment ; Mixed Contamination ; Risk Assessment ; Soil Properties ; Arsenic -- Metabolism ; Cadmium -- Metabolism ; Gastric Mucosa -- Metabolism ; Intestinal Mucosa -- Metabolism ; Soil Pollutants -- Metabolism
  • Là 1 phần của: Chemosphere, March 2016, Vol.147, pp.444-50
  • Mô tả: Recent decades have seen a growing popularity of in vitro bioaccessibility being utilised as a screening tool in human health risk assessment. However the existing bioaccessibility studies only focus on single contaminant. Considering human are likely to ingest multi-contaminants, these contaminants could interact within human gastrointestinal tract which may lead to an increase or decrease in bioaccessibility. In this study, seven different types of soil were spiked with arsenic (As) or cadmium (Cd) and aged for one year. The effects of soil properties on the bioaccessibility were examined. Moreover, the interaction between As and Cd in simulated human digestive system was studied by mixing As-spiked soil with Cd-spiked soil of the same type during bioaccessibility test. Results shows the bioaccessibility of As ranged from 40 ± 2.8 to 95 ± 1.3% in the gastric phase and 16 ± 2.0 to 96 ± 0.8% in the intestinal phase whilst a significant difference was observed between Cd gastric bioaccessibility...
  • Ngôn ngữ: English
  • Số nhận dạng: E-ISSN: 1879-1298 ; PMID: 26774311 Version:1 ; DOI: 10.1016/j.chemosphere.2015.12.091

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