Dyes

Wrights Stain

stain is used in microscopy for staining blood smears. It is generally used to differentiate and identify leucocytes, malaria parasites, and trypanosomas. It is based on a mixture of methylene blue and eosin.

Weigert′s iron hematoxylin solution, Set

Recommended in lengthy or acidic stain procedures. Resists decolorization better than aluminum based hematoxylin formulations.Weigert′s iron hematoxylin solution set consists of HT107 Part A and HT109 Part B.

Toluidine Blue O C.I. 52040

Toluidine Blue O is a dark green to black powder and is often used to demonstrate mast cell granules and Nissl substance. Also known as Basic Blue 17

Tissue Marking Dye in Bottles 2oz Bottle 1 ea

  • Excellent consistency and adherence qualities
  • Crisp, clear results
  • Efficient application and easier handling
  • Bottles and Squeezers match stain color for easy identification
  • Ideal for inking several surgical margins in one cassette or marking several areas of interest in a large specimen

Tartrazine E102 FG C.I. 19140

Tartrazine is a synthetic lemon yellow azo dye commonly used as a food coloring and is water soluble. Tartrazine can be used with Brilliant Blue FCF or Green S to produce various green shades.

Safranin O C.I.50240 Biological Dye

Safranin O is a dark green crystalline powder and is commonly used as a counterstain, classically in the Gram method. It can also be used to demonstrate cartilage, mucin and mast cell granules.

Potassium Hydroxide Flake 90% CAUSTIC POTASH

  • KOH 90.0% minimum
  • Chloride (cl) 0.005%
  • max Fe 0.005%
  • max Sulfate (SO4) 0.005%
  • max Nitrate & Nitrite (N) 0.005%
  • max Na 0.8%
  • max Phosphate (PO4) 0.005%
  • max Silicate (SiO3) 0.01%
  • max Al 0.002%
  • max Ca 0.005%
  • max Heavy Metal (Pb) 0.002%

Methylene Blue (Loeffler) (Microscopy Stain)

This Methylene Blue Loeffler formulation is commonly used as a counterstain in the acid fast bacilli staining methods.It is also useful for observing varieties of bacteria such as Corynebacterium diphtheria, Haemophilus influenzae, Neisseria, etc .The Loeffler's formulation can also be used to detect Helicobacter pylori in paraffin sections and touch smears of gastric mucosal biopsies.

Methyl Green CI 42585

This stain is commonly used for the demonstration of DNA (For example in the methyl green/pyronine method)

Orange G

Orange G is an azo dye that is acidic in nature. It is widely used as a tracking dye for nucleic acid gel electrophoresis to track DNA front in agarose gels. Typically runs at 50bp in up to 2.5% agarose.

Methyl blue C.I. 42780 25g

Methyl blue (C.I. 42780), is a dry dye for the preparation of a color staining solution used for the polychrome staining of histological tissue sections of human origin.