The present invention provides molecules and methods for fluorescent microscopy and visualization of biomolecules, such as cholesterol. In a preferred embodiment, the present invention provides a compound having the structure:
wherein R
1
and R
2
are selected from the group consisting of H, C
n
H
2n+1
, (CH
2
)
m
NH
2
, (CH
2
)
m
NH—SO
2
—R′, and CH
2
CH
2
OCH
2
CH
2
NH
2
wherein n has a value between 4 and 18, wherein m has a value between 2 and 8,
and wherein R′ is selected from the group consisting of CH
3
, C
6
H
4
, C
6
H
4
CH
3
, C
6
H
4
CO
2
H an its cyclic imide, C
6
H
4
Br, anthraquinon-2-yl, and 5-formyl-2-furyl, 2-carboxyphenyl.
本发明提供了用于荧光显微镜和
生物分子可视化的分子和方法,例如
胆固醇。在一种优选实施例中,本发明提供了一种具有以下结构的化合物:其中R1和R2选自H,CnH2n+1,(
CH2)mNH2,( )mNH—SO2—R′和 O NH2的群组,其中n的值在4到18之间,m的值在2到8之间,而R′选自
CH3,
C6H4, , CO2H及其环戊二
酰亚胺, Br,
蒽醌-2-基和5-甲酰基-2-
呋喃基,2-羧基苯基。