New NIR dyes: Synthesis, spectral properties and applications in DNA analyses

被引：0

作者：

Narayanan, N ^{[1
]}

Little, G ^{[1
]}

Raghavachari, R ^{[1
]}

Gibson, J ^{[1
]}

Lugade, A ^{[1
]}

Prescott, C ^{[1
]}

Reiman, K ^{[1
]}

Roemer, S ^{[1
]}

Steffens, D ^{[1
]}

Sutter, S ^{[1
]}

Draney, D ^{[1
]}

机构：

[1] LI COR Inc, Biotech Div, Lincoln, NE 68504 USA

来源：

NEAR-INFRARED DYES FOR HIGH TECHNOLOGY APPLICATIONS | 1997年 / 52卷

关键词：

near-infrared dyes; fluorescence; heptamethine cyanine dyes; pentamethine Cyanine Dyes; IR-phosphoramidites; DNA sequencing; genotyping; IR-dATP;

D O I：

暂无

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

New pentamethine and heptamethine monofunctional asymmetric cyanine dyes have been synthesized. They are suitable for independently exciting at 680nm and 780nm laser diodes respectively. The absorption and fluorescence characteristics such as molar absorptivity and quantum yield have been examined in various solvents. A new spectrofluorometer, an instrument built in house is described. The dyes having a terminal hydroxyl group (1, 3, 4, 5 and 8) have been successfully attached to oligonucleotides on an automated DNA synthesizer through phosphoramidite chemistry. The dyes with carboxyl (2) and isothiocyanate functional groups (7) have been coupled directly to deoxyribonucleotides (dATP). The dye labeled primers and dye labeled dATPs provide excellent sensitivity and high throughput when used for sequencing and genotyping applications on LI-COR's 4200 automated DNA analyzer which independently detects at two wavelengths.

引用

页码：141 / 158

页数：18

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