Chemiluminescence lateral flow immunoassay based on Pt nanoparticle with peroxidase activity

Jong Min Park, Ha Wook Jung, Young Wook Chang, Hyung Seok Kim, Min Jung Kang, Jae Chul Pyun

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

A lateral flow immunoassay (LF-immunoassay) with an enhanced sensitivity and thermostability was developed by using Pt nanoparticles with a peroxidase activity. The Pt nanoparticles were synthesized by citrate reduction method, and the peroxidase activity of Pt nanoparticles was optimized by adjusting reaction conditions. The peroxidase activity was estimated by using Michaelis-Menten kinetics model with TMB as a chromogenic substrate. The kinetics parameters of KM and Vmax were calculated and compared with horseradish peroxidase (HRP). The thermal stability of the Pt nanoparticles was compared with horseradish peroxidase (HRP) according to the storage temperature and long-term storage period. The feasibility of lateral flow immunoassay with a chemiluminescent signal band was demonstrated by the detection of human chorionic gonadotropin (hCG) as a model analyte, and the sensitivity was determined to be improved by as much as 1000-fold compared to the conventional rapid test based on colored gold-colloids.

Original languageEnglish
Pages (from-to)360-367
Number of pages8
JournalAnalytica Chimica Acta
Volume853
Issue number1
DOIs
Publication statusPublished - 2015 Jan 1

Fingerprint

Chemiluminescence
immunoassay
Luminescence
Immunoassay
Nanoparticles
Peroxidase
Horseradish Peroxidase
Chromogenic Compounds
Gold Colloid
kinetics
Chorionic Gonadotropin
colloid
Kinetic parameters
Citric Acid
Thermodynamic stability
gold
Hot Temperature
fold
substrate
Kinetics

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry
  • Environmental Chemistry
  • Spectroscopy

Cite this

Park, Jong Min ; Jung, Ha Wook ; Chang, Young Wook ; Kim, Hyung Seok ; Kang, Min Jung ; Pyun, Jae Chul. / Chemiluminescence lateral flow immunoassay based on Pt nanoparticle with peroxidase activity. In: Analytica Chimica Acta. 2015 ; Vol. 853, No. 1. pp. 360-367.
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Chemiluminescence lateral flow immunoassay based on Pt nanoparticle with peroxidase activity. / Park, Jong Min; Jung, Ha Wook; Chang, Young Wook; Kim, Hyung Seok; Kang, Min Jung; Pyun, Jae Chul.

In: Analytica Chimica Acta, Vol. 853, No. 1, 01.01.2015, p. 360-367.

Research output: Contribution to journalArticle

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