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Fragment Analysis


Fragment Analysis Run

Fragment analysis run is a ABI3730xl electrophoresis run of 96 samples - a full plate is analyzed in a single run. Standard fragment analysis run uses G5 dye set (6-FAM, VIC, NED, PET with LIZ reserved for internal size standard). With a standard setting for a Fragment Analysis Run a resolution of 1 bp is achieved up to 500 bp with GeneScan-500 LIZ size standard. Please contact SeqLab staff if you wish to use other dyes or other size standards.

NOTE: A novel 1200 bp protocol is available with GeneScan LIZ-1200 size standard.

NOTE: If you are setting up a new fragment analysis assay please read first Assay design / testing.

About fluorescent dyes

 


Please fill always full plate, click picture to enlarge.

Fragment analysis software

Following fragment analysis software with manuals is available at SeqLab's analysis workstations:

  • GeneMapper 4.0 (Applied Biosystems)
  • GeneMarker 1.4 (SoftGenetics).
  • PeakScanner (Applied Biosystems). A free fragment analysis software available from ABI website.
  • dnaTools Explorer. Free chromatogram viewer, also for fragment analysis!

Fragment Analysis Run includes:

  • Electrophoresis with ABI3730xl DNA Analyzer
  • Initial electrophoresis run quality assessment
  • Storage of electrophoresis run as a ZIPped file into a database
  • Automatic e-mail notification when results are saved to database.

Customer provides:


Preparation of a Fragment Analysis Run plate

Prepare a master mix of Hi-Di Formamide and  GeneScan LIZ-500 size standard (or other):
  • Pipette 1 ml of Hi-Di formamide into a eppendorf tube.
  • Add 2.5 µl of GeneScan LIZ-500 size standard into eppendorf tube.
  • Vortex thoroughly.
  • Pipette 10 µl into each well of a MicroAmp 96-Well Reaction Plate (with barcode).
  • Add 2 µl of diluted PCR products into each well.
  • Spin samples down with plate centrifuge and seal properly.
Component per well
Hi-Di 10 µl
LIZ-500 0.025 µl
PCR (diluted) 2.0 µl
NOTE: Keep the amount of size standard constant from assay to assay - it is enough for successful Fragment Analysis Run. Adjust the dilution of your PCR products in the sample if necessary to gain balanced PCR:size standard ratio.
NOTE: Fill each well at least with Hi-Di Formamide. Empty well may lead to capillary damage when injecting with high voltage. If you have empty wells in the run, fill them with duplicates or other dilutions of your PCR fragments.
 

Submit order & Deliver samples



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Questions or problems regarding this web site should be directed to SeqLab.
Last modified: 09/10/08.