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the process of annealing
verb – to heat and then cool (a material, such as steel or glass) usually for softening and making less brittle; also : to cool slowly usually in a furnace; to heat and then cool (double-stranded nucleic acid) in order to separate strands and induce combination at lower temperature with complementary strands; strengthen, toughen ;to be capable of combining with complementary nucleic acid by a process of heating and cooling.
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