2022
DOI: 10.1088/2399-1984/ac8215
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Electrochemical detection of homovanillic acid, a breast cancer biomarker, using Pluronic-modified MoS2 nanosheets

Abstract: Two-dimensional transition metal dichalcogenides (2D TMDs) have gained considerable attention from the scientific community for their various applications thanks to their remarkable chemical, physical, optical and electronic properties. In this study, MoS2 nanosheets were synthesized using a kitchen blender with the assistance of a surfactant so-called Pluronic F127 through a shear-exfoliation process. Different techniques were used to characterize the chemical composition, nanostructure, and electrochemical p… Show more

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Cited by 3 publications
(8 citation statements)
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“…The presence of a sharp peak at 2θ = 14.4°in the XRD pattern of both bulk MoS 2 and MCP is a characteristic of MoS 2 and corresponds to the (002) lattice plane (Figure 3c). 53 The intensity of this peak was low for MCP as compared to that of bulk MoS 2 . The reduction in peak intensity validates the well-exfoliated nature of MCP nanosheets.…”
Section: Results Andmentioning
confidence: 90%
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“…The presence of a sharp peak at 2θ = 14.4°in the XRD pattern of both bulk MoS 2 and MCP is a characteristic of MoS 2 and corresponds to the (002) lattice plane (Figure 3c). 53 The intensity of this peak was low for MCP as compared to that of bulk MoS 2 . The reduction in peak intensity validates the well-exfoliated nature of MCP nanosheets.…”
Section: Results Andmentioning
confidence: 90%
“…The two characteristic Raman modes of MoS 2 at 380 cm −1 (E 2g 1 ) and 402 cm −1 (A 1g ), which arises from the in-plane and out-ofplane vibrations of sulfur/molybdenum atoms, respectively, are clearly evident in the spectra of both bulk and exfoliated nanosheets. 53 Further, Raman spectroscopy acts as a powerful tool to differentiate between bulk and exfoliated states of layered materials. The process of exfoliation of layered materials reduces the number of layers in the bulk material, which gets reflected in the Raman spectra in the form of shifts in phonon modes.…”
Section: Results Andmentioning
confidence: 99%
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