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Last updated:09/02/2010

MegaBACE™ ET Size Standards

  • Precise sizing of fluorescein- and rhodamine-labeled DNA fragments on MegaBACE™ genotyping systems.
  • Three size ranges available for sizing fragments up to 1000 bp.
  • Delivers high sensitivity using energy transfer dye technology.
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MegaBACE™ ET Size Standards

Technical Information


MegaBACE™ ET Size Standards are DNA fragments of known size that are 5'-labeled with energy transfer (ET) dyes. The ET-labeled size standards provide significantly higher signal compared with conventional size standards. The dye configuration consists of FAM and ROX dyes separated by a linker. The FAM dye is excited by 488 nm blue laser light. After excitation, FAM transfers its energy to the ROX dye, which emits light at 610 nm. MegaBACE™ ET Size Standards are used in conjunction with MegaBACE™ DNA Analysis System, MegaBACE™ Genetic Profiler software, Long Read Matrix for microsatellite genotyping, and other fragment analysis applications.

TECHNICAL SPECIFICATIONS
MegaBACE™ ET Size Standards Fragment Sizes (bp)
MegaBACE™ ET400-R Size Standard 60, 90, 100, 120, 150, 160, 170, 190, 200, 220, 250, 270, 290, 300, 310, 330, 350, 360, 380, 400 
MegaBACE™ ET550-R Size Standard 60, 75, 100, 125, 150, 175, 200, 225, 250, 275, 300, 310, 325, 350, 375, 400, 425, 450, 475, 500, 525, 550 
MegaBACE™ ET900-R Size Standard 60, 75, 100, 125, 150, 175, 200, 225, 250, 275, 300, 310, 325, 350, 375, 400, 425, 450, 475, 500, 525, 550, 575, 600, 610, 625, 650, 675, 700, 725, 750, 775, 800, 825, 850, 875, 900 

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MegaBACE™ ET400-R size standard contains a set of 20 bands with an average spacing of 17 base pairs. MegaBACE™ ET550-R size standard contains 22 bands at 25 bp periodicity with feature bands at 60 and 310 bp. MegaBACE™ ET900-R size standard contains 37 bands at 25 bp periodicity with feature bands at 60, 310, and 610 bp.



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