申请人:Said Najeeb
公开号:US20100015054A1
公开(公告)日:2010-01-21
Disclosed are reactive polyfluoro benzoxazole polymethine dyes that are useful for labelling and detecting biological and other materials. The dyes are of formula (I):
in which X is selected from the group consisting of —O—, —S— and
at least one of groups R
1
and R
2
is the group -L-R
x
or -L-R
p
, where L is a linking group, R
x
is a group suitable for covalent attachment of the dye to a component and R
p
is a component; and at least one of groups R
3
, R
4
, R
5
, R
6
, R
7
, R
8
, R
9
and R
10
comprises fluorine. The use of polymethine dyes substituted by fluorine and having additional substitution by sulphonic acid groups, for labelling biological target molecules results in a labelled product in which there is reduced dye-dye aggregation and improved photostability, compared with cyanine dyes having no such substitutions.
本发明涉及一种反应性聚氟苯并噁唑聚甲烷染料,用于标记和检测生物和其他材料。该染料的化学式为(I):其中X选自—O—、—S—和至少一个R1和R2中的基团是-L-Rx或-L-Rp,其中L是连接基团,Rxis适合于染料与组分的共价连接的基团,Rp是组分;且R3、R4、R5、R6、R7、R8、R9和R10中的至少一个含有氟。使用由含有氟的聚甲烷染料取代并具有额外的磺酸基团取代的方法,用于标记生物靶分子,结果是标记的产物中染料-染料聚集减少,光稳定性得到改善,与没有这种取代的青霉素染料相比。