Quantum dots (QDs) are semiconducting nanoparticles that have been gaining ground in various applications, including the biomedical field, thanks to their unique optical properties. Recently, graphene quantum dots (GQDs) have earned attention in biomedicine and nanomedicine, thanks to their higher biocompatibility and low cytotoxicity compared to other QDs. GQDs share the optical properties of QD and have proven ability to cross the blood-brain barrier (BBB). For this reason, GQDs are now being employed to deepen our knowledge in neuroscience diagnostics and therapeutics. Their size and surface chemistry that ease the loading of chemotherapeutic drugs, makes them ideal drug delivery systems through the bloodstream, across the BBB, up to the brain. GQDs-based neuroimaging techniques and theranostic applications, such as photothermal and photodynamic therapy alone or in combination with chemotherapy, have been designed. In this review, optical properties and biocompatibility of GQDs will be described. Then, the ability of GQDs to overtake the BBB and reach the brain will be discussed. At last, applications of GQDs in bioimaging, photophysical therapies and drug delivery to the central nervous system will be considered, unraveling their potential in the neuroscientific field.

Perini, G., Palmieri, V., Ciasca, G., De Spirito, M., Papi, M., Unravelling the Potential of Graphene Quantum Dots in Biomedicine and Neuroscience, <<INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES>>, 2020; 21 (10): 3712-3736. [doi:10.3390/ijms21103712] [https://hdl.handle.net/10807/230613]

Unravelling the Potential of Graphene Quantum Dots in Biomedicine and Neuroscience

Perini, Giordano
Primo
Writing – Original Draft Preparation
;
Palmieri, Valentina
Secondo
Writing – Review & Editing
;
Ciasca, Gabriele
Supervision
;
De Spirito, Marco
Penultimo
Validation
;
Papi, Massimiliano
Ultimo
Writing – Review & Editing
2020

Abstract

Quantum dots (QDs) are semiconducting nanoparticles that have been gaining ground in various applications, including the biomedical field, thanks to their unique optical properties. Recently, graphene quantum dots (GQDs) have earned attention in biomedicine and nanomedicine, thanks to their higher biocompatibility and low cytotoxicity compared to other QDs. GQDs share the optical properties of QD and have proven ability to cross the blood-brain barrier (BBB). For this reason, GQDs are now being employed to deepen our knowledge in neuroscience diagnostics and therapeutics. Their size and surface chemistry that ease the loading of chemotherapeutic drugs, makes them ideal drug delivery systems through the bloodstream, across the BBB, up to the brain. GQDs-based neuroimaging techniques and theranostic applications, such as photothermal and photodynamic therapy alone or in combination with chemotherapy, have been designed. In this review, optical properties and biocompatibility of GQDs will be described. Then, the ability of GQDs to overtake the BBB and reach the brain will be discussed. At last, applications of GQDs in bioimaging, photophysical therapies and drug delivery to the central nervous system will be considered, unraveling their potential in the neuroscientific field.
2020
Inglese
Perini, G., Palmieri, V., Ciasca, G., De Spirito, M., Papi, M., Unravelling the Potential of Graphene Quantum Dots in Biomedicine and Neuroscience, <<INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES>>, 2020; 21 (10): 3712-3736. [doi:10.3390/ijms21103712] [https://hdl.handle.net/10807/230613]
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