2 research outputs found
Two-dimensional graphitic carbon nitride (g-C3N4) nanosheets and their derivatives for diagnosis and detection applications
The early diagnosis of certain fatal diseases is vital for preventing severe consequences and
contributes to a more effective treatment. Despite numerous conventional methods to realize this goal,
employing nanobiosensors is a novel approach that provides a fast and precise detection. Recently,
nanomaterials have been widely applied as biosensors with distinctive features. Graphite phase
carbon nitride (g-C3N4) is a two-dimensional (2D) carbon-based nanostructure that has received
attention in biosensing. Biocompatibility, biodegradability, semiconductivity, high photoluminescence
yield, low-cost synthesis, easy production process, antimicrobial activity, and high stability are
prominent properties that have rendered g-C3N4 a promising candidate to be used in electrochemical,
optical, and other kinds of biosensors. This review presents the g-C3N4 unique features, synthesis
methods, and g-C3N4-based nanomaterials. In addition, recent relevant studies on using g-C3N4 in
biosensors in regard to improving treatment pathways are reviewed
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Properties and application of carbon quantum dots (CQDs) in biosensors for disease detection: A comprehensive review
In the areas of bioimaging and detection, biosensors have attracted extensive attention recently. Specifically, biosensors based on nanostructures provide a more sensitive detection due to their prominent properties. Different biosensors have used quantum dots (QDs) due to their unique properties, like high quantum yield (QY) and photoluminescence. In addition to possessing the advantages of common QDs, carbon quantum dots (CQDs) have a higher solubility, lower toxicity, and easier synthesis, making them highly useful and a promising candidate for biomedical applications. The CQD is a zero-dimensional nanostructure with a size of less than 10 nm in every dimension. The unparallel features of CQDs, including good biocompatibility and unique optical properties, like high photoluminescence (PL) and Quantum yield (QY), make them attractive candidates for biosensor and bioimaging applications. This review examines the recent advances in biosensors based on CQDs and presents the properties, challenges, and future perspectives to pave the way for further studies in the future