Theoretical study of the hydration of B-DNA
β Scribed by D. Perahia; M.S. Jhon; B. Pullman
- Book ID
- 115746751
- Publisher
- Elsevier Science
- Year
- 1977
- Weight
- 753 KB
- Volume
- 474
- Category
- Article
- ISSN
- 0005-2787
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π SIMILAR VOLUMES
## Abstract Dielectric relaxation peak due to bound water was found around 100 MHz in poly(dGβdC) Β· poly(dGβdC) and calf thymus DNA in waterβethanol mixtures with NaCl buffer. Relaxation time and strength show a transition for poly(dGβdC) Β· poly(dGβdC) at anethanol composition __C__~w~ = 0.45 (w/w)
The dependence of the net hydration of DNA on it,s base composition has been measured by density gradient ultrncentrifugation of three 1)l"u'A's in a series of cesium and lithium salt solutions of different water aativiticxs. 1t;strapolation to zero water activity showed the tkyeridcucc of thc parti
The hydration reaction of ethylene, C 2 H 4 + H 2 O β C 2 H 5 OH, catalyzed by oxoacids (H 3 PO 4 , H 2 SO 4 , and HClO 4 ) and metal cations (B 3+ , Al 3+ , Sc 3+ , Ga 3+ , La 3+ , Be 2+ , Mg 2+ , Ca 2+ , Zn 2+ , and Sr 2+ ) are studied systematically by density functional theory with a BLYP functi