Glycosylated Star-Shaped Conjugated Oligomers for Targeted Two-Photon Fluorescence Imaging
作者:Guan Wang、Xinhai Zhang、Junlong Geng、Kai Li、Dan Ding、Kan-Yi Pu、Liping Cai、Yee-Hing Lai、Bin Liu
DOI:10.1002/chem.201200849
日期:2012.7.27
functionalized star‐shaped oligomer, N‐tris4,4′,4′′‐[(1E)‐2‐(2‐(E)‐2‐[4‐(benzo[d]thiazol‐2‐yl)phenyl]vinyl}‐9,9‐bis(6‐2‐amido‐2‐deoxy‐1‐thio‐β‐D‐glucopyranose‐hexyl)‐9H‐fluoren‐7‐yl)vinyl]phenyl}phenylamine (TVFVBN‐S‐NH2), is synthesized for two‐photon fluorescence imaging. In water, TVFVBN‐S‐NH2 self‐assembles into nanoparticles with an average diameter of ∼49 nm and shows a fluorescence quantum yield of
吡喃葡萄糖官能化的星形低聚物N - tris 4,4′,4′′-[(1 E)‐2‐(2 ‐ (E)‐2‐ [4‐(benzo [ d ] thiazol-2] -(基)苯基]乙烯基} -9,9-双(6-2-氨基--2-脱氧-1-硫基-β - D-吡喃葡萄糖-己基)-9 H-氟-7-基)乙烯基]苯基}苯胺(TVFVBN-S-NH 2)被合成用于双光子荧光成像。在水中,TVFVBN-S-NH 2自组装成纳米粒子,平均直径约为49 nm,荧光量子产率为0.21。双光子荧光测量表明TVFVBN‐S‐NH 2在水中780 nm处的双光子吸收截面约为1100 GM。上的吡喃葡萄糖基部分的活性胺基团允许TVFVBN-S-NH进一步官能2与叶酸,得到TVFVBN-S-NH 2 FA具有相似的光学和物理特性的那些TVFVBN-S-NH 2。细胞成像的研究表明,TVFVBN-S-NH 2 FA已通过相对于为TVFVBN-S-NH