18643
Phase coexistence for blunt 5 bp sDNA is observed from 27 degrees C to about 65 degrees C , where the HII ( C ) phase disappears and the temperature dependence of the lattice spacing of the QII ( G ) phase indicates that the sDNA duplexes melt into single strands .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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