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author:

Xu, Kefeng (Xu, Kefeng.) [1] | Chen, Zhonghui (Chen, Zhonghui.) [2] | Zhou, Ling (Zhou, Ling.) [3] | Zheng, Ou (Zheng, Ou.) [4] (Scholars:郑欧) | Wu, Xiaoping (Wu, Xiaoping.) [5] | Guo, Longhua (Guo, Longhua.) [6] | Qiu, Bin (Qiu, Bin.) [7] (Scholars:邱彬) | Lin, Zhenyu (Lin, Zhenyu.) [8] (Scholars:林振宇) | Chen, Guonan (Chen, Guonan.) [9] (Scholars:陈国南)

Indexed by:

EI Scopus SCIE

Abstract:

A fluorometric method for pyrophosphatase (PPase) activity detection was developed based on click chemistry. Cu(II) can coordinate with pyrophosphate (PPi), the addition of pyrophosphatase (PPase) into the above system can destroy the coordinate compound because PPase catalyzes the hydrolysis of PPi into inorganic phosphate and produces free Cu(II), and free Cu(II) can be reduced by sodium ascorbate (SA) to form Cu(I), which in turn initiates the ligating reaction between nonfluorescent 3-azidocoumarins and terminal alkynes to produce a highly fluorescent triazole complex, based on which, a simple and sensitive turn on fluorometric method for PPase can be developed. The fluorescence intensity of the system has a linear relationship with the logarithm of the PPase concentration in the range of 0.5 and 10 mU with a detection limit down to 0.2 mU (S/N = 3). This method is cost-effective and convenient without any labels or complicated operations. The proposed system was applied to screen the potential PPase inhibitor with high efficiency. The proposed method can be applied to diagnosis of PPase-related diseases.

Keyword:

Community:

  • [ 1 ] [Xu, Kefeng]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Food Safety, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Chen, Zhonghui]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Food Safety, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Zhou, Ling]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Food Safety, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Zheng, Ou]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Food Safety, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350116, Fujian, Peoples R China
  • [ 5 ] [Wu, Xiaoping]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Food Safety, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350116, Fujian, Peoples R China
  • [ 6 ] [Guo, Longhua]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Food Safety, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350116, Fujian, Peoples R China
  • [ 7 ] [Qiu, Bin]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Food Safety, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350116, Fujian, Peoples R China
  • [ 8 ] [Lin, Zhenyu]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Food Safety, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350116, Fujian, Peoples R China
  • [ 9 ] [Chen, Guonan]Fuzhou Univ, Fujian Prov Key Lab Anal & Detect Food Safety, Key Lab Anal & Detect Food Safety, Minist Educ, Fuzhou 350116, Fujian, Peoples R China

Reprint 's Address:

  • 林振宇

    [Lin, Zhenyu]Fuzhou Univ, Dept Chem, Fuzhou 350116, Fujian, Peoples R China

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Source :

ANALYTICAL CHEMISTRY

ISSN: 0003-2700

Year: 2015

Issue: 1

Volume: 87

Page: 816-820

5 . 8 8 6

JCR@2015

6 . 8 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:265

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 50

SCOPUS Cited Count: 50

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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