Tissue Marking Dyes

15-01-2021 - Bio-Optica Products

Bio-Optica Tissue Marking Dyes are special inks used to mark surgical margins.

They have to be used when the pathologist needs to identify and distinguish one or more surgical margin at the microscope.


  • Atoxic, made of polymers of natural origins;
  • They dry in 2-3 minutes Ready to use: they don’t need fixing steps in other solutions;
  • They don’t spread in the tissue;
  • They can be applied on fresh or fixed specimens;
  • They don’t lose their colour in solvents during fixation and tissue processing.


Available in 7 colors

Bio-Optica Tissue Marking Dyes are available in seve different colors:

  • Black;
  • Blue;
  • Green;
  • Yellow;
  • Orange;
  • Red;
  • Purple.

and in several sizes:

  • 30ml bottles with dropper (7 colours) - Code 05-000-030;
  • 30ml bottle with dropper;
  • 30ml bottles with dropper (8 pcs of one colour)
  • 240ml bottles.

Discover the full range of Bio-Optica's Tissue Marking Dyes.


Watch the video

Check out all the benefits of our Tissue Marking Dyes.


Click here to download the brochure.

Contact us

  • Web form
  • info-export@bio-optica.it
  • +39 02 21 27 131