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ZellShield® is a ready-to-use agent for protecting cell cultures from a broad range of common contaminants such as bacteria, fungi, yeast and mycoplasma. The protective effect is based on a combination of novel antibiotics without significant side effects. The application of conventional antibiotics such as penicillin, streptomycin, nystatin etc. is not necessary. ZellShield® can be used routinely as additive directly to the medium to safeguard your cell culture.


Broad applicability

ZellShield® can be used for permanent cell cultures as well as for the protection of freshly prepared primary cells.

No cell toxicity

Up to date, no cytotoxic effect on various cell lines treated has been reported if used as described.


ZellShield® is active against most intracellular and extracellular growing gram negative and gram positive bacteria, mycoplasma, protozoa, fungi and yeast.

Easy to use

Simply add ZellShield® directly to a freshly prepared cell culture or premix with the cell culture medium.


The reagent is stable and active during typical incubation periods and conditions.

Low Resistance Risk

Carefully selected antimicrobials show an extremely low resistance bias. Their combined activity reduces the probability for the survival of resistant mutants.

Recommended Use / Scope

Applicable in research and industry for cell cultures only. Not recommended for clinical applications.

Kit Components

The easy applicable 100x aqueous solution is sterile filtrated and ready-to-use.

Package Sizes
  • Cat. No. 13-0050 50 ml
    Cat. No. 13-0150 3 x 50 ml
Required Consumables


Required lab devices



ZellShield® must be stored below -18 °C (Shipped on cool packs). ZellShield® is light sensitive and must be protected from light.

Additional information

package sizes

50 ml, 3 x 50 ml


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