A method of protectively heating a microtitre well plate from below using infra-red radiation in a centrifugal evaporator, wherein a barrier plate is placed in contact with and surrounding the lower ends of the wells. The barrier plate is adapted to convey heat energy to the wells and contents thereof...http://www.google.com/patents/US7252803?utm_source=gb-gplus-sharePatent US7252803 - Heating of microtitre well plates in centrifugal evaporators
