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Free solution mobility of oligomeric DNA

✍ Scribed by Udayan Mohanty; Nancy C. Stellwagen


Publisher
Wiley (John Wiley & Sons)
Year
1999
Tongue
English
Weight
97 KB
Volume
49
Category
Article
ISSN
0006-3525

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✦ Synopsis


The free solution electrophoretic mobility of a charged oligomer in an ionic solvent that approximately takes into account relaxation field effects, screening of the velocity field, and the hydrodynamic interactions resulting from motions of the charges due to an electric field is described. For double-stranded DNA, the free solution electrophoretic mobility under ionic strengths determined by the buffer and pH conditions relevant to capillary electrophoresis increases with increasing molecular weight up to few hundred base pairs.


πŸ“œ SIMILAR VOLUMES


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✍ Nancy C. Stellwagen; Cecilia Gelfi; Pier Giorgio Righetti πŸ“‚ Article πŸ“… 1997 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 235 KB πŸ‘ 1 views

The free solution mobility of DNA has been measured by capillary electrophoresis in the two buffers most commonly used for DNA gel electrophoresis, Tris-borate-EDTA (TBE) and Tris-acetate-EDTA (TAE). The capillaries were coated with polymers of either of two novel acrylamide monomers, N-acryloylamin

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The free solution mobility of DNA molecules of different molecular weights, the sequence dependence of the mobility, and the diffusion coefficients of small single- and double-stranded DNA (ss- and dsDNA) molecules can be measured accurately by capillary zone electrophoresis, using coated capillarie

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## Abstract The free solution mobilities of single‐ and double‐stranded DNA molecules of various molecular weights have been measured by capillary electrophoresis in solutions of constant ionic strength containing a common anion and fifteen different monovalent cations. In solutions with the same i

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## Diffusion coefficient of DNA molecules during free solution electrophoresis The free-draining properties of DNA normally make it impossible to separate nucleic acids by free-flow electrophoresis. However, little is known, either theoretically or experimentally, about the diffusion coefficient o