• Complex
  • Title
  • Keyword
  • Abstract
  • Scholars
  • Journal
  • ISSN
  • Conference
成果搜索

author:

Lin, Y. (Lin, Y..) [1] | Wang, J. (Wang, J..) [2] | Luo, F. (Luo, F..) [3] | Guo, L. (Guo, L..) [4] | Qiu, B. (Qiu, B..) [5] | Lin, Z. (Lin, Z..) [6]

Indexed by:

Scopus

Abstract:

A highly reproducible ratiometric aptasensor has been developed based on the ratio of the enhanced electrochemiluminescence (ECL) signal and the stable electrochemistry signal for the first time. The ECL signal tag (Ru(phen)3 2+-DNA) was chosen as working probe (Ru(phen)3 2++-wp) and electrochemistry signal tag (methylene blue-DNA) as reference probe (MB-rp). The hybridization of Ru(phen)3 2++-wp and MB-rp in one structure insured the interdependence of two signals on the same sensing interface. OTA was chosen as a target model in this work and substrate DNA (sDNA) was designed to hybridize with OTA-aptamer (OTA-APT) in part, as well as the triggered chain of hybridization chain reaction (HCR). Only ECL signal of Ru(phen)3 2+-wp increased with the OTA existence while the electrochemical signal from MB-rp was stable as inter reference signal. The ratio value of the ECL/electrochemistry had a linear relationship with OTA concentration in the range of 12.40 pM to 6.19 nM with a correlation coefficient of 0.990, and the limit of detection was 5.6 pM. The proposed ECL ratiometric aptasensor has better reproducibility than that of the traditional ECL biosensor and been applied to detect OTA in real samples with satisfied results. © 2018 Elsevier Ltd

Keyword:

Aptasensor; Electrochemiluminescence; Electrochemistry; Hybridization chain reaction; Ratiometric

Community:

  • [ 1 ] [Lin, Y.]Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 2 ] [Wang, J.]Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 3 ] [Luo, F.]Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 4 ] [Guo, L.]Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 5 ] [Qiu, B.]Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 6 ] [Lin, Z.]Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China

Reprint 's Address:

  • [Lin, Z.]College of Chemistry, Fuzhou UniversityChina

Show more details

Related Keywords:

Related Article:

Source :

Electrochimica Acta

ISSN: 0013-4686

Year: 2018

Volume: 283

Page: 798-805

5 . 3 8 3

JCR@2018

5 . 5 0 0

JCR@2023

ESI HC Threshold:209

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 35

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

Affiliated Colleges:

Online/Total:185/10045925
Address:FZU Library(No.2 Xuyuan Road, Fuzhou, Fujian, PRC Post Code:350116) Contact Us:0591-22865326
Copyright:FZU Library Technical Support:Beijing Aegean Software Co., Ltd. 闽ICP备05005463号-1