Synthesis of a Near-Infrared BODIPY Dye for Bioimaging and Photothermal Therapy
作者:Yang Liu、Nan Song、Li Chen、Shi Liu、Zhigang Xie
DOI:10.1002/asia.201701727
日期:2018.4.16
The development of robust photothermal agents for near‐infrared (NIR) imaging is a great challenge. Herein, we report the design and synthesis of a new photothermal agent, based on the aza‐boron‐dipyrromethene framework (azaBDP). This compound possessed excellent photostability and high photothermal‐conversion efficiency (50 %) under NIR laser irradiation. When the photothermal properties of this compound
The integration of an aggregation induced emission (AIE)-active Ir(iii) complex and upconversion nanoparticles (UCNPs) has achieved a NIR-irradiated photosensitizer (PS), UCNPs@Ir-2-N, for photodynamic therapy (PDT) applications.
AIE-active Ir(<scp>iii</scp>) complexes functionalised with a cationic Schiff base ligand: synthesis, photophysical properties and applications in photodynamic therapy
through the restriction of the intramolecular motions in aggregated states. Accordingly, two AIE-active Ir(III) complexes Ir-1-N+ and Ir-2-N+ were successfully designed and obtained based on Schiff base ligands. Experimental results showed that Ir-1-N+ and Ir-2-N+ have good photophysical properties and the corresponding nanoparticles (NPs) have good water solubility and 1O2 generation ability. Notably, Ir-2-N+
光动力疗法(PDT)是一种很有前途的癌症治疗方法。传统的小分子光敏剂 (PSs) 存在低系统间交叉 (ISC) 能力和聚集引起的猝灭 (ACQ),这对聚集状态下 PSs的发光效率和单线态氧 ( 1 O 2 ) 产率产生不利影响。Ir( III ) 配合物是很有前途的 PSs,具有长激发态寿命、良好的光物理和光化学性质以及大的 Stokes 位移。聚集诱导发射 (AIE) 特性可以通过限制聚集态的分子内运动来减少非辐射复合并提高激发态的 ISC 能力。因此,两个 AIE 活性 Ir( III ) 配合物基于席夫碱配体,成功设计并获得了Ir-1-N +和Ir-2-N + 。实验结果表明,Ir-1-N +和Ir-2-N +具有良好的光物理性质,相应的纳米粒子(NPs)具有良好的水溶性和1 O 2生成能力。值得注意的是,Ir-2-N + NPs 可以被小鼠乳腺癌细胞(4T1 细胞)有效摄取,具有良
PREHEATED FLY-ASH CATALYZED ALDOL CONDENSATION: EFFICIENT SYNTHESIS OF CHALCONES AND ANTIMICROBIAL ACTIVITIES OF SOME 3-THIENYL CHALCONES