Healthcare, Biotech Firms and Research Facilities Call on PurityPlus® for More Than Specialty Gases


In various Minneapolis industries, PurityPlus® cryogenic refrigerators and storage dewars are as much demanded from Toll Company as the specialty gases we provide.

As you can imagine, the life sciences depend heavily on this kind of equipment. They use it chiefly to preserve sensitive biological materials – human tissue, stem cells, bone marrow, cord blood, and the like. Medical and pharmaceutical enterprises especially employ our cryogenic refrigerators and dewars for all manner of medical research, including the creation of vaccines. Then, as you’d expect, there are the blood banks, tissue banks, hospitals, and clinics for whom such provisions are crucial. Other PurityPlus® cryogenic refrigerator and dewar customers comprise government and university research facilities as well as various biorepositories dedicated to the gathering, processing, inventorying, and dissemination of biological specimens.

PurityPlus® cryogenic refrigerators are offered in various models and sizes – the better to facilitate long-term storage of liquid nitrogen and other cryogenic materials at the ideal temperature. The availability of various hold times, work times, evaporation rates, and other characteristics ensures a refrigerator for just about any cryogenic requirement.

Our dewars feature vacuum-layered walls that deliver peerless thermal insulation and thus notably reduce the rate at which their contents – either liquid nitrogen or other cryogenic substances – are lost to evaporation.

In addition to these cryogenic products, we also offer Minneapolis life science firms …

  • a top-quality whisper valve for cryogenic refrigerators and dewars. This instrument installs with no effort at all on the vent valve of these vessels to near-silently alleviate the pressure of the compressed gases they hold. Result? Less container damage and fewer lab disruptions.
  • an array of gas cylinder manifold alternatives including those with automatic changeover. These systems facilitate a continuous flow of gas while automatically changing cylinder or bank priority from the first source to a secondary supply with no fluctuation in pressure.

As necessary as our cryogenic equipment is to healthcare, medicine, and biotechnology, other Minneapolis-area industries benefit from these products as well. For example, the manufacture of high-end metal products frequently entails the use of cryogenics. Utilities make use of cryogenics too – to cool wires and help with the smooth transmission of electric power. In the food industry, cryogenic flash-freezing helps safeguard food nutrients and texture over an extended shelf life. And cryogenic freezing is pretty much mandatory in the creation of superconductors for, say, MRI machines or use in quantum computing.

Regardless of your field or application, get the best cryogenic equipment and gases for it from Toll Company, your Minneapolis PurityPlus® Partner.