Two dimensional FeVO4 nanoflakes decorated on Ti3C2 MXene hybrid nanocomposites as a novel effective electrochemical biosensor for ultrasensitive and selective detection of serotonin (5-HT)

Ilanchezhiyan, Pugazhendi; Manikandan, Ramalingam; Sekar, Sankar; Jin Lee, Dong; Chang Jeon, Hee; Lee, Sejoon; Chang, Seung-Cheol; Young Kim, Deuk

doi:10.1016/j.apsusc.2024.161411

Applied Surface Science

2025

DOI: 10.1016/j.apsusc.2024.161411

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Two dimensional FeVO4 nanoflakes decorated on Ti3C2 MXene hybrid nanocomposites as a novel effective electrochemical biosensor for ultrasensitive and selective detection of serotonin (5-HT)

Pugazhendi Ilanchezhiyan,

Ramalingam Manikandan,

Sankar Sekar

et al.

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2025

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Cited by 2 publications

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Fabrication of bio-mimic nanozyme based on Mxene@AuNPs and molecular imprinted poly(thionine) films for creatinine detection

Manikandan,

Kim,

Jang

et al. 2025

Biosensors and Bioelectronics

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Fabrication of bio-mimic nanozyme based on Mxene@AuNPs and molecular imprinted poly(thionine) films for creatinine detection

Manikandan,

Kim,

Jang

et al. 2025

Biosensors and Bioelectronics

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Gold Nanoparticle Functionalized Carrageenan Polysaccharide and Zeolitic Imidazolate Framework-8: Biopolymer Nanocomposite for Selective Serotonin Sensing

Nathiya,

Kalla,

Thenrajan

et al. 2024

J. Electrochem. Soc.

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Herein, a biopolymer, Carrageenan (CA), decorated with gold nanoparticles (Au NPs), showed a highly stable structure with more active sites for serving as an electrochemical sensing platform. Furthermore, the adsorption of Zeolitic imidazolate framework-8 (ZIF-8) on Au NPs decorated CA (Au@CA) structure resulted in a strong hybrid composite formation for the sensitive and selective electrochemical sensing of serotonin (5-HT), a neurotransmitter. The morphology of ZIF-8 decorated Au-modified CA (Au@CA/ZIF-8) based hybrid nanobiocomposite was studied by scanning electron microscopy, and its affirmed interactions were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, and UV-visible spectroscopy. After that, the electrochemical studies revealed its excellent conductivity and sensing behavior towards 5-HT (0.15 V) at a sensitivity of 7.232 µA with a wide linear range of 10 nM to 1 mM and a lower detection limit of 2 nM. Also, the composite has achieved good cyclic and long-term stability, selectivity, and reproducibility. Furthermore, the real sample results have demonstrated its efficient sensing of 5-HT in urine samples with excellent recoveries, which suggests that the Au@CA/ZIF-8 hybrid composite is a perfect transducer material for a 5-HT biosensor.

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Two dimensional FeVO4 nanoflakes decorated on Ti3C2 MXene hybrid nanocomposites as a novel effective electrochemical biosensor for ultrasensitive and selective detection of serotonin (5-HT)

Cited by 2 publications

References 62 publications

Fabrication of bio-mimic nanozyme based on Mxene@AuNPs and molecular imprinted poly(thionine) films for creatinine detection

Fabrication of bio-mimic nanozyme based on Mxene@AuNPs and molecular imprinted poly(thionine) films for creatinine detection

Gold Nanoparticle Functionalized Carrageenan Polysaccharide and Zeolitic Imidazolate Framework-8: Biopolymer Nanocomposite for Selective Serotonin Sensing

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