U.S. patent application 20190152676 (applicant Celularity Inc., Warren, N.J.):
"Provided herein are improved devices for thawing frozen biological material (e.g., cells). The devices described herein are designed to ensure that the container (e.g., tube or vial) which holds the frozen biological material to be thawed is consistently and thoroughly in contact with the source of heat and thus promotes rapid thawing of the biological material. ... [The apparatus comprises] (i) a sealed first compartment comprising material that undergoes a phase change when heated to a certain temperature, (ii) a plurality of compartments comprising a source of heat, and (iii) an additional plurality of compartments into which a plurality of containers containing frozen biological material can be placed, and (iii) a temperature controller that allows setting said certain temperature to 37° C."
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