方向介绍：

通过制备DNA折纸/自组装结构、聚多巴胺微球、介孔二氧化硅、介孔碳等多种生物相容性良好的纳米材料，作为探针分子的基本载体，实现对细胞内关键活性物质灵敏检测以及重要生化反应的信息传递过程。为进一步明确肿瘤等疾病的的发展过程、机制与早期筛查提供有效的研究工具。

代表性论文：`

1、Xiaoting Ji, Haoyuan Lv, Minghui Ma, Binglin Lv, Caifeng Ding*."An optical DNA logic gate based on strand displacement and magnetic separation, with response to multiple microRNAs in cancer cell lysates".Microchimica Acta, 2017, 184, 2505-2513

2、Yujuan Xu, P.end Zhang, Z.hen Wang, Shaoping Lv, Caifeng Ding*."Determination of the activity of telomerase in cancer cells by using BSA-protected gold nanoclusters as a fluorescent probe". Microchim Acta, 2018, 185, 198

3、 Xiaoting Ji,Junning Wang,Shuyan Niua and Caifeng Ding."Size-controlled DNA-cross-linked hydrogel coated silica nanoparticles served as a ratiometric fluorescent probe for the detection of adenosine triphosphate in living cells". Chem. Commun, 2019, 55, 5243-5246