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author:

Lin, Z. (Lin, Z..) [1] | Chen, X. (Chen, X..) [2] | Chen, H. (Chen, H..) [3] | Qiu, B. (Qiu, B..) [4] | Chen, G. (Chen, G..) [5]

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Scopus

Abstract:

A room temperature ionic liquid (IL), 1-butyl-3-methylimidazolium hexafluorophosphate (BMIMPF6) was used as a binder to prepare the electrically heated ionic liquid/carbon paste electrode (IL-HCPE). It has been found that N6-isopentenyl-adenine (2-ip) can enhance the electrochemiluminescent (ECL) intensity of Ru (bpy)32 +. The electrode surface temperature (Te) has great effect on the ECL intensity of Ru (bpy)32 +/2-ip system. The ECL intensities has a linear relationship with the concentration of 2-ip in the range of 1.0 × 10-7-1.2 × 10-6 mol/L with a detection limit of 3.6 × 10-8 mol/L (S/N = 3) when Te was 58 °C, while the linear range was of 5.0 × 10-7-1.0 × 10-6 mol/L with a detection limit of 1.8 × 10-7 mol/L under 27 °C. It was also found that the reproducibility of this ECL system would be better at elevating temperature, the RSD were 7.2% and 1.5% for 8.0 × 10-7 mol/L of 2-ip at 27 and 58 °C, respectively. The possible mechanism of the Ru (bpy)32 +/2-ip ECL system has been proposed also. © 2009 Elsevier B.V. All rights reserved.

Keyword:

Electrically heated carbon paste electrode; Electrochemiluminescence; N6-isopentenyl-adenine; Room temperature ionic liquid

Community:

  • [ 1 ] [Lin, Z.]Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 2 ] [Chen, X.]Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 3 ] [Chen, H.]Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 4 ] [Qiu, B.]Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 5 ] [Chen, G.]Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China

Reprint 's Address:

  • [Chen, G.]Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China

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Source :

Electrochemistry Communications

ISSN: 1388-2481

Year: 2009

Issue: 10

Volume: 11

Page: 2056-2059

4 . 2 4 3

JCR@2009

4 . 7 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 15

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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