Assessment of peanut allergen Ara h1 in processed foods using a SWCNTs-based nanobiosensor

Abdus Sobhan, Jun Hyun Oh, Mi Kyung Park, Seung Wook Kim, Chulhwan Park, Jinyoung Lee

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The goals of this research were to develop a rapid single-walled carbon nanotube (SWCNT)-based biosensor and to employ it to commercial food products for Ara h1 detection. The SWCNT-based biosensor was fabricated with SWCNTs immobilized with antibody (pAb) through hybridization of 1-pyrenebutanoic acid succinimidyl ester (1-PBASE) as a linker. The resistance difference (ΔR) was calculated by measuring linear sweep voltammetry (LSV) using a potentiostat. Resistance values increased as the concentration of Ara h1 increased over the range of 1 to 105 ng/L. The specific binding of anti-Ara h1 pAb to antigen including Ara h1 was confirmed by both indirect ELISA kit and biosensor assay. The biosensor was exposed to extracts prepared from commercial processed food containing peanuts, or no peanuts, and could successfully distinguish the peanut containing foods. In addition, the application of present biosensor approach documented the precise detection of Ara h1 concentrations in commercially available peanut containing foods.

Original languageEnglish
Pages (from-to)1134-1142
Number of pages9
JournalBioscience, Biotechnology and Biochemistry
Volume82
Issue number7
DOIs
Publication statusPublished - 2018 Jan 1

Fingerprint

Processed foods
Biosensing Techniques
Biosensors
Allergens
Food
Carbon Nanotubes
Single-walled carbon nanotubes (SWCN)
Immobilized Antibodies
Voltammetry
Assays
Esters
Enzyme-Linked Immunosorbent Assay
Arachis
Antigens
Antibodies
Research

Keywords

  • Ara h1
  • Nanobiosensor
  • Peanut allergy
  • Peanut-process foods
  • Single walled carbon nanotube

ASJC Scopus subject areas

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry

Cite this

Assessment of peanut allergen Ara h1 in processed foods using a SWCNTs-based nanobiosensor. / Sobhan, Abdus; Oh, Jun Hyun; Park, Mi Kyung; Kim, Seung Wook; Park, Chulhwan; Lee, Jinyoung.

In: Bioscience, Biotechnology and Biochemistry, Vol. 82, No. 7, 01.01.2018, p. 1134-1142.

Research output: Contribution to journalArticle

Sobhan, Abdus ; Oh, Jun Hyun ; Park, Mi Kyung ; Kim, Seung Wook ; Park, Chulhwan ; Lee, Jinyoung. / Assessment of peanut allergen Ara h1 in processed foods using a SWCNTs-based nanobiosensor. In: Bioscience, Biotechnology and Biochemistry. 2018 ; Vol. 82, No. 7. pp. 1134-1142.
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