10/20/2023 0 Comments Emergent phenomena in 2d materials pptIn particular, by virtue of excellent optical and electronic properties, 2D materials have been widely explored as promising nanoagents for biosensors, diagnosis (photoacoustic imaging (PAI), X-ray computed tomography (CT) imaging, etc.), photonic therapy (photothermal therapy (PTT) and photodynamic therapy (PDT)), depicting high prospect for biomedical applications. Due to the high-percentage surface atom exposure and quantum confinement effects of atomically thin structure, 2D materials exhibit unique photonic, electronic, magnetic and catalytic properties, endowing impressive advantages for applications in the fields of optoelectronic devices, energy, and biomedicine. Since then, a great deal of 2D materials beyond graphene have been successively proliferated, such as transition metal dichalcogenides (TMDs), metal carbides and nitrides (MXenes), and monoelemental 2D materials (Xenes). The successful isolation of graphene in 2004 has opened a brilliant world toward two-dimensional (2D) materials. This review provides a short yet timely summary on the synthesis and biomedical applications of emerging 2D pnictogens. The major obstacles and opportunities of 2D pnictogens are also discussed. In this review, after brief introduction of the structure, properties, synthesis strategies, and biocompatibility of 2D pnictogens, their biomedical applications including anti-tumor, anti-inflammation, anti-bacterial, neurodegenerative treatment and tissue repairing are reviewed. With unique optical and electronic properties, 2D pnictogens are considered as promising nanoagents for biosensors, diagnosis and therapy. Two-dimensional (2D) materials composed of single pnictogen element, namely, 2D pnictogens ( e.g., black phosphorus, arsenene, antimonene and bismuthine), have recently showed remarkable potential for biomedical applications, especially after the rapid development of black phosphorus.
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