Universal Centrifugation Media…

The solution to all your density gradient problems

NycoDenz (Axis-Shield) and GENTAUR’s own GentoDenZ are non-ionic universal density gradient media. They both share a number of characteristics with their related predecessor metrizamide. However, the more stable, more inert nature of these compounds endows them with a number of favorable properties as a gradient medium.





Separation of...

  Mononuclear cells

  Nucleic Acids

  Cellular organelles



  Viruses and bacteria

Gradient formation:

  In situ centrifugation (self-formed gradients)

  Layering gradient solutions

  Freezing and thawing

  Gradient Mixers


Code Product Name Price
N1002424 NycoDenz 500g 390€
19-DENZ-50 GentoDenz 50g 48€
19-DENZ-500 GentoDenz 500g 385€

VITOTOX Test System

The VITOTOX Test System® is a unique method for rapid and cost
effective high-throughput genotoxicity and toxicity screening based on
genetically modified test organisms for faster and more superior results.

Code Product Name Price
04-6400-000 Vitotox 10 Kit, for 10 samples 3,300€
04-6400-010 Vitotox 384 HTS Kit, for 345 samples 6,800€
04-6400-020 Vitotox 384 HTS Kit, for 3450 samples 47,518€


   • Very small amount of sample required
  • High reproducibility and sensitivity             Very good correlation with AMES test
Rapid answers in only 3 hours
Low labor costs; automatic reading of data
No test organism maintenance required
96- or 384-well microplate format 


Ethidium Bromide substitutes… a safer way to do research

GelRed™ and GelGreen ™ Nucleic Acid Gel Stains

GelRed and GelGreen are ultra sensitive, extremely stable and environmentally safe
fluorescent nucleic acid dye designed to replace the highly toxic ethidium bromide (EB)
for staining dsDNA, ssDNA or RNA in agarose gels via either precast or post gel staining
and in polyacrylamide gels via post gel staining. The dyes are far more sensitive than EB
without requiring a destaining step. GelRed, GelGreen and EB have virtually the same
spectra, so you can directly replace EB with them without changing your existing imaging
system. It is also compatible with downstream DNA manipulations such as digestion with a restriction enzyme, Southern blotting techniques and clonings.

SafeView™ Nucleic Acid Stain

SafeView products represent a new and safe class of nucleic acid stains for the visualization of double-stranded DNA, single-stranded DNA, and RNA in agarose gels. The dyes are developed to replace toxic Ethidium Bromide (EB, a potent mutagen) commonly used in gel electrophoresis. SafeView dyes are as sensitive as EtBr and can be used in combination with loading dyes eliminating any possible contamination of glassware or gel running tank. SafeView is available in green (G108-G), red (G108-R) and white (G108-W).
Code Product Name Quantity Price
41002 GelRed Nucleic Acid Stain, 10,000 x in DMSO 0.5 ml 176 €
41003 GelRed Nucleic Acid Stain, 10,000 x in water 0.5 ml 182 €
41004 GelGreen Nucleic Acid Stain, 10,000 x in DMSO 0.5 ml 160 €
41005 GelGreen Nucleic Acid Stain, 10,000 x in water 0.5 ml 182 €
G108* SafeView Nucleic Acid Stain 1 ml 73€

* Add –R,- G,- W for Red, Green or White


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