The application provides a preparation method of an aggregation-induced emission
nanoparticle, which comprises the following steps: adopting
triphenylamine as an
electron donor (D),
pyridine bromide as an
electron acceptor (A), constructing a D-π-A structure, and synthesizing a nanoscale AIE
photosensitizer nanoparticle by acting with an
albumin stock solution; the
nanoparticle synthesis method is easy to operate, has high yield and low cost, can simultaneously generate type I and type II
reactive oxygen species (ROS), including ·OH (type I) and O2 (type II), and has good
mitochondrial targeting function, and a Pearson
correlation coefficient is as high as 0.97. 1 In addition, due to the modification of the terminal carboxyl group of TTPA, the nanoparticle has a pH
response effect, can increase the accumulation or
endocytosis of the nanoparticle in tumors, and can enhance the in-vivo imaging and
treatment effect, and has potential clinical application value of intelligent response
cancer diagnosis and treatment function.