Organ Banking
This article focuses on various technological innovations in the field of cryopreservation of human tissues. In order to further explore how engineers from various disciplines can offer a broader and improved set of tools to tackle preservation challenges, ASME and the Organ Preservation Alliance are co-organizing the Summit on Organ Banking through Converging Technologies in Boston, Mass., in August 2017. Techniques for successful cryopreservation have been developed over the past five decades for several tissue types. To achieve vitrification, cryobiologists introduce glass-promoting solutions known as cryoprotective agents (CPAs) into the tissue. As researchers push the boundaries on the ability to cryopreserve bulky tissues and large organs, a new thermal challenge emerges called rapid cooling, which can potentially give rise to dangerous thermomechanical stress driven by the tendency of the material to contract with temperature.