Jump to main content
Jump to site search


Test strips for naked eye screening of tetracycline based on Iron (III) impregnated alginate/polyacrylonitrile nanofibers

Abstract

Tetracycline (TC), an inexpensive broad-spectrum antibiotic service in treating animal infectious disease and promoting growth. However, driven by economic interest, abuse of TC poses a serious threat to us, and it remains a significant challenge to create easy-to-use TC colorimetric test strips for the public. Here, we present a strategy to prepare free-standing, nanofibrous structured test strips with tortuous porous structure and large surface area by combining polyacrylonitrile nanofibrous membrane (PAN NMs), alginate, and Fe3+. This approach tutored alginate to functionalize on the PAN NMs firstly, then Fe3+ were assembled into alginate to construct a TC-sensing surface. The resultant test strips exhibit the integrated properties of fast sensing process (10 min), low naked eye detection limit (5 µg/kg), excellent anti-interference ability, and certain reusability. Furthermore, the TC concentration-dependent color change (yellow to maroon) were quantitatively visualized by an iPhone read-outed hue parameter. All findings are indicating that this intriguing approach may pave the way for versatile NMs designing to serve as a preventive strategy for the public.

Back to tab navigation

Supplementary files

Publication details

The article was received on 17 Dec 2017, accepted on 11 Apr 2018 and first published on 13 Apr 2018


Article type: Paper
DOI: 10.1039/C7AN02038D
Citation: Analyst, 2018, Accepted Manuscript
  •   Request permissions

    Test strips for naked eye screening of tetracycline based on Iron (III) impregnated alginate/polyacrylonitrile nanofibers

    Y. Li, A. Mohammed, D. Li and L. Wang, Analyst, 2018, Accepted Manuscript , DOI: 10.1039/C7AN02038D

Search articles by author

Spotlight

Advertisements