A dual-mode fluorometric and smartphone-based colorimetric sensor for cyanide detection using tungsten disulfide quantum dots and silver nanoparticles

Azizi, Neda; Hallaj, Tooba; Samadi, Naser

doi:10.1016/j.jfca.2024.106081

Journal of Food Composition and Analysis

2024

DOI: 10.1016/j.jfca.2024.106081

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A dual-mode fluorometric and smartphone-based colorimetric sensor for cyanide detection using tungsten disulfide quantum dots and silver nanoparticles

Neda Azizi,

Tooba Hallaj,

Naser Samadi

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Cited by 2 publications

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Nanostructured transition metal dichalcogenides‐based colorimetric sensors: Synthesis, characterization, and emerging applications

Raghunathan,

Kapoor,

Kumar

et al. 2024

Luminescence

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Nanostructured transition metal dichalcogenides (TMDCs) have garnered significant attention as prospective materials for the development of highly sensitive and versatile colorimetric sensors. This work explores the synthesis, characterization, and emerging applications of TMDC‐based sensors, focusing on their unique structural aspects and inherent properties. The synthesis methods involve tailored fabrication techniques, such as chemical vapor deposition and hydrothermal processes, aimed at producing well‐defined nanostructures that enhance sensor performance. Characterization techniques, including microscopy, spectroscopy, and surface analysis, are employed to elucidate the structural and chemical features of the nanostructured TMDCs. These analyses provide insights into the correlation between the material's morphology and its sensing capabilities. The colorimetric sensing mechanism relies on the modulation of optical properties in response to specific analytes, enabling rapid and visual detection. The emerging applications of TMDC‐based colorimetric sensors span diverse fields, including environmental monitoring, healthcare, and industrial processes. The sensors exhibit high sensitivity, selectivity, and real‐time response, making them ideal candidates for detecting various target analytes. Furthermore, their integration with complementary technologies such as microfluidics, can facilitate the development of on‐site and point‐of‐care applications. This work highlights the interdisciplinary significance of nanostructured TMDC‐based colorimetric sensors and underscores their potential contributions to addressing contemporary challenges in sensing technology.

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Nanostructured transition metal dichalcogenides‐based colorimetric sensors: Synthesis, characterization, and emerging applications

Raghunathan,

Kapoor,

Kumar

et al. 2024

Luminescence

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High-throughput point-of-care serum iron testing utilizing machine learning-assisted deep eutectic solvent fluorescence detection platform

Li,

Yue,

et al. 2025

Journal of Colloid and Interface Science

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A dual-mode fluorometric and smartphone-based colorimetric sensor for cyanide detection using tungsten disulfide quantum dots and silver nanoparticles

Cited by 2 publications

References 58 publications

Nanostructured transition metal dichalcogenides‐based colorimetric sensors: Synthesis, characterization, and emerging applications

Nanostructured transition metal dichalcogenides‐based colorimetric sensors: Synthesis, characterization, and emerging applications

High-throughput point-of-care serum iron testing utilizing machine learning-assisted deep eutectic solvent fluorescence detection platform

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