Celltase™ Cell Detachment Solution

Product code: 17-1001

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Available Pack Size(s)

  •   500ml

  •  100 ml

  • $300.00 

  • $60.00 

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Amount : 100 ml
Content : 1X Celltase enzyme solution containing aqueous buffer, EDTA and Phenol Red. Sterile-filtered, suitable for cell culture.
Storage condition : 2 months at 2-8°C. 12 month if frozen at -20°C. For long term or intermittent use the product may be aliquoted and frozen if necessary.

Celltase is a ready-to-use cell detachment solution of made up of proteolytic and collagenolytic enzymes. Celltase is a direct replacement for Trypsin solution and is very useful for the routine cell disassociation from standard tissue culture plastic-ware and other adhesion coated polymers. Celltase  is devoid of any mammalian and bacterial derived products. It performs efficiently in detaching cells for the analysis of cell surface markers, routine cell passage, proliferation assays, production scale-up of bioreactors, various bioassays and flow cytometry among others. Primary cells tested for Celltase application include fibroblasts, keratinocytes, hepatocytes, mouse bone marrow cells, hESCs, macrophages and PBMCs, neuronal stem cells. Celltase is shown to be effective on A431, HeLa, 293 cells, L929 cells, 3T3, A549, adherent CHO and BHK cells, HT1080 fibrosarcoma cells, Sf9 insect cells, Vero, COS, NT2, MG63, M24. As compared to Trypsin, Celltase is gentle on cells and it auto-inhibits at 37°C. 

 Recommended procedure for general dissociation:

 Proper aseptic techniques should be followed while handling cell lines and reagents including Celltase.

1.  Thaw Celltase at room temperature or at 4°C overnight. Gently swirl the Celltase bottle for proper mixing.

2. Aspirate media and wash the cell monolayer with 4 mL of sterile DPBS (w/o calcium and magnesium). Aspirate DPBS from the tissue culture flask.

3. Add Celltase to flask (10 mL per 75 cm2surface area) using aseptic procedures.

4. Incubate the culture flask at room temperature for 5 to 10 minutes up to a maximum of 1 hr. The cells incubated with Celltase can be left on ice for several hours.

5. Inspect under the microscope for signs of cell detachment like shrinkage or rounding.

6. Detach the cells either by pipetting up and down several times or smack the flask against palm of hand once or twice.

7. (Optional) 20 μl sample of the cell suspension can be used to determine the viable cell density.

8. Resuspend the cells in fresh media and split into new flasks as is needed. Incubate at 37°C in a humidified CO2 incubator. (Celltase is auto-inhibitory at 37°C. Hence quenching with media as done in case of trypsin is not needed for routine passages)

9. The cells will re attach at 37°C within a few minutes depending upon cell type.

Dissociation of human ESCs grown in Serum Free Media on hESC-qualified Basement Membrane Extract.

1. Aspirate the media from culture dish and wash with 4 mL of sterile DPBS (w/o calcium and magnesium).

2. Aspirate DPBS and add 2 mL of Celltas to culture dish.

3. Incubate for 2 to 5 minutes at room temperature until individual single cells start to round up. Inspect under the microscope for signs of cell detachment. Incubate longer if you observe incomplete detachment.

4. Gently rinse to remove cells from the surface of the plate. Transfer cell suspension to 15 mL conical tube. Pipette up and down gently until cells are in a single cell suspension.

5. Rinse surface of the dish for any remaining cells using media and transfer to the conical tube from Step 5.

6. (Optional) Take a 20 μl sample of the cell suspension to determine viable cell density.

7. Centrifuge conical tube containing the cell suspension at 1000 RPM for 4 minutes in a swing bucket rotor.

8. Aspirate supernatant and resuspend the cells in fresh medium and plate on coated dish. Incubate at 37°C in a humidified CO2 incubator.

Dissociation of adherent human or rat neuronal stem cells grown in Serum Free Media on coated dishes is also performed in a similar manner.

Note: Among different cell lines adherence to tissue culture plastic might vary. Hence the incubation time required for dissociation should be determined for specific cell type and application


Celltase is temperature sensitive. Do not store Celltase™ at room temperature. Upon receipt the product should be kept at -20°C for long term storage and at 4°C for short term storage. It is recommended to thaw Celltase™at 4°C overnight or in a bath of cool water but never at 37°C


For Research Use Only. Not for use in diagnostic/therapeutics procedures.

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