Robert Fick

1. Introduction Determining the hydrogen bonding (H-bonding) status of individual bonds in nucleic acids is key to understanding their structure, dynamics, and biological functions. This includes recognition by proteins, localized melting required for transcription and replication of DNA, and determining how specific sequences can be targeted with drugs. H-bonds are also critical for determining the complex tertiary structures formed by RNA.

Barry Trotz has announced his resignation as head coach of the Washington Capitals, 11 days after winning the Stanley Cup.The 55-year-old coach entered the 2017-18 NHL season on the final year of a four-year contract, and had hopes of negotiating a new deal after leading the Caps to the first Stanley Cup championship in the organization's 44-year history.

Ted Lerner ceding control of the Washington Nationals to his son, Mark, got Thom Loverro's wheels turning last week about the past.On with Chad Dukes of 106.7 The Fan on Thursday, Loverro thought back to one especially tense moment in the early years of the Nats organization, involving veteran first baseman Robert Fick."It reminded me of the first Dream Foundation Gala in 2007," Loverro recalled. "It was before the season started. It was in the end of March of 2007.