Abstract
Graphene is one of the new materials which has shown a large impact on the electronic industry due to its versatile properties, such as high specific surface area, high electrical conductivity, chemical stability, and large spectrum of electrochemical properties. The graphene material-based electronic industry has provided flexible devices which are inexpensive, simple and low power-consuming sensor tools, therefore opening an outstanding new door in the field of portable electronic devices. All these attractive advantages of graphene give a platform for the development of a new generation of devices in both food and environmental applications. Lipid-based sensors have proven to be a good route to the construction of novel devices with improved characteristics, such as fast response times, increased sensitivity and selectivity, and the possibility of miniaturization for the construction of portable biosensors. Therefore, the incorporation of a lipid substrate on graphene electrodes has provided a route to the construction of a highly sensitive and selective class of biosensors with fast response times and portability of field applications for the rapid detection of toxicants in the environment and food products.
Highlights
Graphene nanomaterials have been given tremendous attention recently in the literature for technological applications, owing to their unique physicochemical properties, such as good sensing ability, and excellent mechanical, thermal and electrical properties
As a result of the unique physical and chemical properties of graphene, an explosive growth of research work on their biomedical applications can be observed from the literature in the past few years, especially in the areas of biosensors, bioelectronics, drug delivery, cellular imaging, etc
This chapter has selectively summarized recent approaches in the rapidly developing area of electrochemical biosensors based on graphene nanostructures for the detection of a wide range of analytes
Summary
Graphene nanomaterials have been given tremendous attention recently in the literature for technological applications, owing to their unique physicochemical properties, such as good sensing ability, and excellent mechanical, thermal and electrical properties. Carbon nanotubes are cylindrical molecules of carbon with novel properties that are potentially useful in a wide variety of applications including nano-electronics, optics and materials applications, among others They exhibit extraordinary tensile strength, a unique range of electrical properties, and are efficient thermal conductors. To help drastically reduce these costs, researchers from University of Glasgow came up with the idea of depositing high-quality graphene on the surface of inexpensive copper foils, often used to make the ultra-thin cathodes (negative electrodes) in lithium-ion batteries. As it turns out, the surface of the copper proved to be both completely smooth and a superior substrate on which to form the graphene [2].
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