AnaSpec Highlights HiLyte Fluor™ dyes Collection - for Labeling Amine and Thiol-Modified Oligos

2 Oct 2011

Product news

AnaSpec is pleased to highlight the wide collection of amine and thiol reactive 6-isomeric dyes of fluoresceins and rhodamines available in addition to AnaSpec’s own proprietary HiLyte Fluor™ dyes for labeling amine and thiol modified oligonucleotides.

Fluorescent dye-labeled oligos are widely used as primers for sequencing and PCR reactions, and also as probes for fluorescence in situ hybridization (FISH). Double-labeled oligos are used to produce fluorescence resonance energy transfer (FRET) for a number of applications such as real-time PCR assays and automated DNA sequencing.
Synthetic oligos can be modified with amine or thiol groups at their 5’-end, 3’-end or internally. These amine and thiol incorporated oligos can then be labeled with amine and thiol reactive fluorophores, respectively.

N-hydroxysuccinimidyl esters (SE) and isothiocyanates of fluorescein and rhodamine derivatives are used for labeling amine-modified oligos. Maleimides and iodoacetamides of fluorescein and rhodamine derivatives are used for labeling thiol-modified oligos.

AnaSpec’s proprietary HiLyte Fluor™ dyes are available in the SE and maleimide forms. These dyes have fluorescence emission wavelengths spanning the full visible and near infrared (NIR) spectrum. HiLyte Fluor™ dyes have properties that are superior to conventional dyes, with high fluorescence quantum yields, large extinction coefficients, good photostability, low pH sensitivity and improved water solubility.

AnaSpec’s HiLyte Fluor™ dyes and classic dyes are excellent choices for labeling amine- and thiol-modified oligonucleotides.

For more information, please follow the link on the company article page.

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OligonucleotidesOligonucleotides are small nucleic acid polymers, usually less than 20 bases in length. Oligonucleotides can be made via enzymatic cleavage or more commonly by chemical synthesis with polymerases. Their use includes FISH, southern blots, microarrays and as primers in PCR. High fidelity synthesis kits and detection systems are available for easy production and detection, respectively.
AnaSpec Highlights HiLyte Fluor™ dyes Collection - for Labeling Amine and Thiol-Modified Oligos