2 条结果 关键词:罗丹明B ×

A AuNP-capped cage fluorescent biosensor based on controlled-release and cyclic enzymatic amplification for ultrasensitive detection of ATP.

Journal of materials chemistry. B 2020 Wang W, Li X, Tang K, Song Z 等 5 人

设计用于细胞内检测的金纳米器件备受关注,但构建可由远程应用模拟激活的金传感器件仍具挑战。本文报道了一种基于可控释放和外切酶III(Exo III)辅助循环酶促放大的金纳米颗粒(AuNPs)封盖金纳米笼荧光生物传感器,用于三磷酸腺苷(ATP)检测。体系中,AuNPs 作为构建块,通过 DNA 杂交封盖负载罗丹明B(RhB)的金纳米笼(...

Construction of sponge-like graphitic carbon nitride and silver oxide nanocomposite probe for highly sensitive and selective turn-off fluorometric detection of hydrogen peroxide.

Journal of colloid and interface science 2020 Ahmed A, Hayat A, Nawaz MH, John P 等 5 人

本文通过简便水热法(160 °C,4 h)以石墨相氮化碳(GCN)、硝酸银和磷酸氢二钾为原料,制备海绵状GCN/氧化银(Ag2O)纳米复合材料。SEM显示Ag2O负载GCN因大量层片相互连接而呈海绵状结构;XRD显示六方碳氮化物衍射峰随Ag2O含量增加而减弱;PL表明Ag2O加入降低电子-空穴复合,改善电学性能;XPS证实Ag氧化态...