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Tri-metallic (Ni–Ce–Cu)-based metal–organic framework for highly efficient electrochemical detection of l-cysteine

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2023, 33(6), pp.1733-1745
  • DOI : 10.1007/s42823-023-00570-8
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : April 17, 2023
  • Accepted : June 30, 2023
  • Published : October 1, 2023

Narayanan Mariyammal 1 Perumal Panneerselvam 1

1Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603 203, India

Accredited

ABSTRACT

This work describes Ni–Ce–Cu metallic–organic framework (MOF) for the detection of non-essential amino acid L-cysteine. The tri-metallic Ni–Ce–Cu MOF was synthesized via a solvothermal method. The cyclic voltammetry and the differential pulse voltammetry techniques were used to examine the electrochemical detection of L-cysteine. The Ni–Ce–Cu MOF shows an oxidation peak in PB solution at pH 3.0 between the potential range of 0.0 and 0.7 V and strong electro-catalytic activity toward the oxidation of L-cysteine across a wide linear range of 0.1 to 250 nM and low detection limit (LOD) was calculated of 1.56 nM. The analysis of L-cysteine in milk and egg yolk samples showed with recovery range of 96.75–103.5% and 97.78–99.43% with RSD% of 2.3–3.2% and 2.7–7.2%, respectively. These results show the Ni–Ce–Cu MOF has high selectivity for L-cysteine detection in milk and egg samples.

Citation status

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Total Citation Counts(KCI+WOS) (8) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (10) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

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