review · Critical Reviews in Analytical Chemistry
Carbon nanotubes exhibit biocompatible, bioactive, safe, and biodegradable properties, making them attractive for diverse sectors such as medicine, dye industries, paper manufacturing, and water purification. Their strong film-forming ability enables extensive use in developing electrochemical sensors and biosensors. Nanocomposites incorporating carbon nanotubes offer significant advantages for sensor synthesis, performance optimisation, and the effective immobilisation of biomolecules. Additionally, combining carbon nanotubes with molecularly imprinted polymers provides useful pathways for producing specialised electrochemical detection systems. Although these carbon nanotube platforms present substantial potential across various sensing applications, existing devices still encounter operational challenges. Understanding sensor fabrication, composite behaviour, and current performance limitations remains essential for advancing future electrochemical sensor design and broadening practical sensing opportunities across industrial and analytical fields.
Electrochemical sensors are vital tools for diagnostics, environmental monitoring, and industrial quality control. Utilising carbon nanotubes helps improve sensor sensitivity and biological integration, potentially leading to more versatile monitoring tools for water purification, healthcare, and manufacturing. Understanding their benefits and current limitations supports the creation of safer, more responsive analytical devices.
The abstract identifies potential applications across the medical sector, dye industries, paper manufacturing, and water purification. Target users include device manufacturers, analytical laboratories, and water treatment operators seeking improved electrochemical sensors and biosensors. Because the text reviews fabrication methods, biomolecule immobilisation, and unresolved device challenges alongside future opportunities, the technology sits predominantly in the early-stage research and development phase rather than near-market deployment.
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Carbon nanotubes (CNTs), are safe, biocompatible, bioactive, and biodegradable materials, and have sparked a lot of attention due to their unique characteristics in a variety of applications, including medical and dye industries, paper manufacturing and water purification. CNTs also have a strong film-forming potential, permitting them to be widely employed in constructing sensors and biosensors. This review concentrates on the application of CNT-based nanocomposites in the production of electrochemical sensors and biosensors. It emphasizes the synthesis and optimization of CNT-based sensors for a range of applications and outlines the benefits of using CNTs for biomolecule immobilization. In addition, the use of molecularly imprinted polymer (MIP)-CNTs in the production of electrochemical sensors is also discussed. The challenges faced by the current CNTs-based sensors, along with some the future perspectives and their future opportunities, are also briefly explained in this paper.
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DOI: 10.1080/10408347.2023.2171277
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