TACS® 2 TdT Core Kit


The TACS® 2 TdT Core Kit is for researchers familiar with in situ labeling who are already set up for immunohistochemistry. The core kit comes with a streptavidin-HRP conjugate but without an HRP-substrate or a counterstain.

Available Size(s): 30 Samples Catalog Number: 4810-30-CK Category:


TACS® 2 TdT Core kit utilize Trevigen’s unique cation optimization system to enhance labeling within particular tissues. The kit also features a proprietary labeling buffer that contains no toxic components (e.g. sodium cacodylate). A highly purified form of the TdT enzyme is included for the enzymatic incorporation of biotinylated nucleotides. Biotin labeling is detected using streptavidin-horseradish peroxidase, and the researcher’s choice of colorimetric substrates or a fluorescent conjugate of streptavidin may be used for visualization by epifluorescence microscopy.


  • TdT based in situ labeling.
  • Cation optimization for high signal and low background.
  • Includes exclusive Cytonin™ permeabilization reagent.
  • Includes TACS-Nuclease™ control reagents.
  • Light microscopy or Fluorescence microscopy options.


  • In situ detection of apoptosis by TUNEL in fixed frozen, paraffin embedded, or plastic embedded cells and tissues.


protocol_4810-30-CK and R

Material Safety Data Sheet(s)

msds_4800-30-06 Strep-HRP

msds_4810-30-02 10X TdT Labeling Buffer

msds_4810-30-03 10X TdT Stop Buffer

msds_4810-30-04 TdT dNTP Mix

msds_4810-30-05 TdT Enzyme

msds_4810-30-09 50X Cobalt Cation

msds_4810-30-10 50X Magnesium Cation

msds_4810-30-14 50X Manganese Cation

Catalog # 4810-30-CK includes :
Catalog Number Description Qty
4800-30-06 Streptavidin-HRP 1
4810-30-02 TACS® 2 TdT Labeling Buffer 1
4810-30-03 TACS® 2 TdT Stop Buffer 1
4810-30-04 TACS® 2 TdT dNTP 1
4810-30-05 TdT Enzyme 1
4810-30-09 50x Cobalt Cation 1
4810-30-10 50x Magnesium Cation 1
4810-30-14 50x Manganese Cation 1


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