The present invention relates to a complex comprising at least one dendrimer and at least one lanthanide, wherein the dendrimer comprises a unit of formula (I) below:
in which:
C
1
is a valence group 4 of formula >N—CH
2
—CH
2
—N<;
A
1
, A
2
and A
3
are groups of formula —(CH
2
)
2
—C(O)—NH—(CH
2
)
2
—; the unit of formula (I) being connected covalently to at least one antenna which absorbs at a wavelength ranging from 500 nm to 900 nm.
本发明涉及一种至少包括一种树状聚合物和至少一种
镧系元素的复合物,其中该树状聚合物包括下面的式(I)的一个单元:其中:C1是一个价态为4的基团,具有式>N—
CH2— —N<;A1、A2和A3是具有式—( )2—C(O)—NH—( )2—的基团;式(I)的单元与至少一个在500纳米到900纳米范围内吸收的天线共价连接。