2 条结果 关键词:聚集诱导发射增强 ×

Peptide-induced aggregation of glutathione-capped gold nanoclusters: A new strategy for designing aggregation-induced enhanced emission probes.

Analytica chimica acta 2019 You JG, Tseng WL

本研究报道了阳离子肽诱导谷胱甘肽包覆金纳米团簇(GSH-AuNCs)聚集并产生聚集诱导发射增强(AIEE)的新策略。与 GSH-AuNCs 相比,多精氨酸(polyArg)通过静电吸引触发 GSH-AuNCs 聚集,使发光强度增强 3.5 倍、量子产率提高 10 倍、发射峰蓝移 8 nm、平均发光寿命增加 2.1 倍。作者以阳离子肽...

Aggregation-induced emission enhancement of anthracene-derived Schiff base compounds and their application as a sensor for bovine serum albumin and optical cell imaging.

Luminescence : the journal of biological and chemical luminescence 2018 Densil S, Chang CH, Chen CL, Mathavan A 等 9 人

本研究以9-蒽羧醛分别与苯肼、4-苯基半缩脲和4-苯基硫代半缩脲缩合,合成三种蒽基席夫碱化合物R1–R3,并通过紫外-可见吸收、荧光、红外、核磁共振和质谱等技术表征。通过延长π共轭,R1–R3的吸收光谱红移至可见区。由于激发态C=N双键快速异构化,R1–R3在四氢呋喃(THF)中荧光较弱;在THF/水混合体系中逐渐加入水至90%时,...