(Click to see larger image) Don't go through the hassle and expense of running around to get liquid Nitrogen, or dry ice and ethanol or acetone, every time you want to quick-freeze your samples. With our PappaCooler® and an -80°C freezer you can always be prepared.

     Store the PappaCooler unit in your freezer. Bring it to your bench when you are ready to quick-freeze your samples; insert them in the unit and they are frozen. The design has been optimized to produce ultra-high-efficiency frozen competent cells and to give high survival rates when Cryo-preserving prokaryotic and eukaryotic cells.

     Not only will you be saving time and money using the PappaCooler, but you will also be saving the environment from solvents and gases that require lots of energy to produce. The PappaCooler is made partly from recycled materials.