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Investigator Triplex DSF Kit

For multiplex amplification of the D3S1358, FGA (FIBRA), and SE33 (ACTBP2) loci

  • Simultaneous amplification of 3 discriminatory markers
  • Highly suited for degraded DNA samples
  • Highly sensitive and inhibitor resistant
  • No overlapping allelic ranges within a panel

The Investigator Triplex DSF Kit is for prescreening of human DNA samples and can be used as a starting point for genotyping strategies in human identity and forensic testing. It enables simultaneous amplification of STR loci D3S1358, SE33 (ACTBP2), and FGA (FIBRA) from low-copy and degraded DNA. The genetic analysis is calibrated with the DS-30 matrix.

This product will be discontinued as of June 30, 2021 or until stocks last. We recommend Investigator Triplex AFS QS Kit (400).

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Cat No./ID: 380327
Investigator Triplex DSF Kit (400)
Primer Mix, Reaction Mix, Multi Taq2 Polymerase, Control DNA, DNA Size Standard (ROX), Allelic Ladder Triplex DSF, and Nuclease-Free Water
This product will be discontinued as of June 30, 2021 or until stocks last.

The Investigator Triplex DSF Kit is intended for molecular biology applications in forensic, human identity, and paternity testing. This product is not intended for diagnosis, prevention, or treatment of a disease.

Product Details


The Investigator Triplex DSF Kit was validated and evaluated using the GeneAmp 9700 thermal cycler (in standard mode), and the ABI PRISM 310, ABI PRISM 3100, and Applied Biosystems 3130 Genetic Analyzers.

The recommended amount of DNA under standard conditions is 0.35 ng. Internal validations demonstrated robust and balanced results with 0.1–1.0 ng DNA, and reliable results with <0.1 ng DNA.


The Investigator Triplex DSF Kit enables the simultaneous amplification of the 3 polymorphic STR loci D3S1358, SE33 (ACTBP2), and FGA (FIBRA) using two flourescence label dyes. The kit includes optimized primers and reagents.


The 3 polymorphic STR loci are amplified simultaneously and labeled with the flourescent dyes as listed in the table "Investigator Triplex DSF dyes and corresponding markers".

The amplified loci undergo capillary electrophoresis. The results can be analyzed using dedicated software, such as QIAGEN's Investigator IDproof or IDproof Mixture Software. See the table "Technical specifications" for more information.

Investigator Triplex DSF Kit dyes and corresponding markers
6-FAM D3S1358 SE33 (ACTBP2)
Technical specifications
Volume per amplification reaction 25 μl
Matrix DS-30
Fluorescence labels 6-FAM, HEX, ROX
Genetic analyzers ABI PRISM 310, ABI PRISM 3100/3100-Avant, Applied Biosystems 3130/3130xl, or Applied Biosystems 3500/3500xL Genetic Analyzers
Software for analysis QIAGEN Investigator IDproof or Investigator IDproof Mixture Software, or Applied Biosystems GeneMapper ID, GeneMapper ID-X, or Genotyper Software

The Investigator Triplex DSF Kit is for rapid and reliable prescreening of human DNA samples on multi-capillary analyzers. It is for human identity and forensic testing use.

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