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Dyes from Biosearch Technologies #

In addition to labeling oligos with FAM, TET, HEX, TAMRA, JOE, ROX, Dabcyl, Dabsyl, etc., Biosearch Technologies has also developed a selection of fluorophores and quenchers with absorption and emission values that span the entire visible spectrum.  Here's your chance to learn more about the various dyes developed at Biosearch.

Biosearch Technologies is the proud inventor of the Black Hole Quencher® (BHQ®) dye!  Click here to download our BHQ and Dye Selection Chart.


Black Hole Quencher® Dyes
Since their introduction to the DNA marketplace in 2000, the Black Hole Quenchers have become THE quencher of choice used in qPCR probes and other FRET applications.


CAL Fluor® Dyes
Recently issued a patent for its CAL Fluor® dyes, Biosearch Technologies introduced this series of vibrant dyes for real-time qPCR as lower-cost, superior performing replacements for many commonly used fluorophores. Their emission maxima range from 500 nm to 640 nm, which make them ideal fluorophores for multiplexed qPCR. They are excellent replacement fluorophores for VIC, TET, HEX, JOE, TAMRA, Texas Red®, LC Red 640® dyes


Quasar® Dyes
The Quasar® Dyes were developed by Biosearch Technologies as replacements for the Cy™ dyes. These high performing, lower cost dyes facilitate the automated synthesis of probes. With emission values ranging from 566 to 705 nm, Quasar dyes increase fluorophore choices and help eliminate potential cross-talk problems associated with multiplex qPCR and are efficiently quenched by BHQs.


Pulsar® 650 Dyes
Biosearch has developed a fluorescent reporter dye that is expanding the capabilities of both the LightCycler 1.2 and the LightCycler 2.0 real-time, qPCR instruments: Pulsar® 650.


SuperROX™ Reference Dye
SuperROX is a highly stable ROX passive reference dye that completely eliminates "ROX drop" and can be used when a water soluble version of ROX is required as a passive reference for normalization of fluorescent signals in real-time PCR.


Dye Calibration Standards
Trying to multiplex using FAM, CAL Fluor® and/or Quasar® dyes? Remember to optimize your instrument's performance by using calibration standards offered by Biosearch Technologies.