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author:

Mao, Mengfan (Mao, Mengfan.) [1] | Li, Limin (Li, Limin.) [2] | Huang, Chuanhui (Huang, Chuanhui.) [3] | Lin, Zhenyu (Lin, Zhenyu.) [4] | Wang, Weijia (Wang, Weijia.) [5]

Indexed by:

EI Scopus SCIE

Abstract:

Electrochemiluminescence (ECL) sensors based on luminol had been frequently coupled with enzymatic reactions to detect various targets. However, a major challenge arises from the conflict between the neutral environmental required for enzymatic activity and the higher luminescence efficiency of luminol under alkaline conditions. In this study, glucose oxidase (GOx)@Zn-HHTP (HHTP = 2,3,6,7,10,11-hexahydroxytriphenylene) was successfully synthesized, significantly enhancing the stability of encapsulated GOx. At pH 10.0, the enzyme retained 80 % of its catalytic activity compared to its performance under neutral conditions. To demonstrate its applicability, GOx@Zn-HHTP had been applied to construct an ECL glucose sensor. Operating under alkaline conditions, this sensor maintained a high luminescence efficiency of luminol, resulting in an 8.5fold increase in sensitivity and a 25-fold reduction in the detection limit compared to the sensor operating under neutral environments. This sensor was successfully applied for detection of glucose in sweat, effectively mitigating interference from the complex matrix of sweat samples and enabling accurate detection of glucose at low concentrations.

Keyword:

Alkali stability Conductive metal-organic frameworks Electrochemiluminescence Glucose Glucose oxidase Sweat

Community:

  • [ 1 ] [Mao, Mengfan]Zhongshan City Peoples Hosp, Dept Adv Diagnost & Clin Med, Zhongshan 528400, Guangdong, Peoples R China
  • [ 2 ] [Wang, Weijia]Zhongshan City Peoples Hosp, Dept Adv Diagnost & Clin Med, Zhongshan 528400, Guangdong, Peoples R China
  • [ 3 ] [Li, Limin]Zhongshan City Peoples Hosp, Dept Lab Med, Zhongshan 528400, Guangdong, Peoples R China
  • [ 4 ] [Huang, Chuanhui]Chinese Acad Sci, Hangzhou Inst Med HIM, Hangzhou 310022, Zhejiang, Peoples R China
  • [ 5 ] [Mao, Mengfan]Fuzhou Univ, Coll Chem, Key Lab Analyt Sci Food Safety & Biol, Fujian Prov Key Lab Anal & Detect Food Safety,Mini, Fuzhou 350108, Fujian, Peoples R China
  • [ 6 ] [Lin, Zhenyu]Fuzhou Univ, Coll Chem, Key Lab Analyt Sci Food Safety & Biol, Fujian Prov Key Lab Anal & Detect Food Safety,Mini, Fuzhou 350108, Fujian, Peoples R China

Reprint 's Address:

  • [Huang, Chuanhui]Fuzhou Univ, Dept Chem, Fuzhou 350108, Fujian, Peoples R China;;[Lin, Zhenyu]Fuzhou Univ, Dept Chem, Fuzhou 350108, Fujian, Peoples R China;;[Wang, Weijia]Fuzhou Univ, Dept Chem, Fuzhou 350108, Fujian, Peoples R China

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Source :

SENSORS AND ACTUATORS B-CHEMICAL

Year: 2025

Volume: 434

8 . 0 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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