Dual-template magnetic molecularly imprinted polymer-based sorbent for simultaneous and selective detection of phenolic endocrine disrupting compounds in foodstuffs
- Authors
- Bhogal, Shikha; Mohiuddin, Irshad; Kaur, Kuldeep; Lee, Jechan; Brown, Richard J. C.; Malik, Ashok Kumar; Kim, Ki-Hyun
- Issue Date
- Apr-2021
- Publisher
- Elsevier Ltd
- Keywords
- Alkylphenols; Food; HPLC-PDA; Magnetic dual-template molecularly imprinted polymer
- Citation
- Environmental Pollution, v.275, pp.1 - 10
- Indexed
- SCIE
SCOPUS
- Journal Title
- Environmental Pollution
- Volume
- 275
- Start Page
- 1
- End Page
- 10
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/1507
- DOI
- 10.1016/j.envpol.2021.116613
- ISSN
- 0269-7491
- Abstract
- In this research, an efficient (94.9?99.4%) and fast (5 min) method has been developed and validated for simultaneous identification and quantification of phenolic endocrine disrupting compounds with an emphasis on bisphenol A (BPA) and 4-cumylphenol (4-CP) in food stuffs using a dual-template magnetic, molecularly-imprinted polymer (dt-MMIP). The dt-MMIP was synthesized by a sol-gel method using Fe3O4@SiO2 (as the core) and BPA and 4-CP (as templates). The dt-MMIP was coupled with magnetic solid phase extraction to simultaneously detect BPA and 4-CP in food samples. BPA was measured from bottled water and fruit juice samples samples at 0.36 and 0.24 ng mL?1, respectively, while 4-CP in those samples was 0.33 and 0.16 ng mL?1, respectively. Their detection limits were estimated as 0.04 and 0.05 ng mL?1, respectively. The developed dt-MMIP method was highly reproducible, while maintaining a good cyclability up to 20 cycles.
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