Multifunctional, fluorescent DNA-derived carbon dots for biomedical applications: bioimaging, luminescent DNA hydrogels, and dopamine detection.
本文报道以DNA为前驱体通过水热法合成2–3 nm亲水性蓝色荧光碳点(C-Dots)。这些碳点可在致病真菌细胞中高效内化,细胞毒性可忽略,具有良好光致发光稳定性和高生物相容性,可作为微生物研究的纳米示踪剂;以白色念珠菌为模型开展生物成像。该碳点的新颖之处在于能与同一DNA在低于凝胶浓度(1% w/v)下形成荧光纳米复合水凝胶,凝胶强...