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    • Are adenine strands helical H-aggregates? 

      Hu, Lihong; Zhao, Yang; Wang, Fan; Chen, Guan Hua; Ma, Chensheng; Kwok, Wai Ming; David Lee Phillips (2007)
      On the basis of our quantum mechanical calculation, we propose that homogeneous single-stranded adenine bases (Ade-DNA) form helical H aggregates, and the photoexcited states can be described as Frenkel excitons. The ...