منابع مشابه
Bubble dynamics in DNA
The formation of local denaturation zones (bubbles) in double-stranded DNA is an important example for conformational changes of biological macromolecules. We study the dynamics of bubble formation in terms of a Fokker-Planck equation for the probability density to find a bubble of size n base pairs at time t, on the basis of the free energy in the Poland-Scheraga model. Characteristic bubble c...
متن کاملDNA Dynamics: Bubble ‘n’ Flip for DNA Cyclisation?
A recent demonstration of the facile in vitro formation of DNA microcircles of fewer than 100 base pairs throws new light on the basis of DNA flexibility.
متن کاملDynamics of N = 2 Supersymmetric Gauge Theories in Three Dimensions
We study the structure of the moduli spaces of vacua and superpotentials of N = 2 supersymmetric gauge theories in three dimensions. By analyzing the instanton corrections, we compute the the exact superpotentials and determine the quantum Coulomb and Higgs branches of the theories. We find candidates for non-trivial N = 2 superconformal field theories at the singularities of the moduli spaces....
متن کاملCavitation bubble dynamics.
The dynamics of cavitation bubbles on water is investigated for bubbles produced optically and acoustically. Single bubble dynamics is studied with laser produced bubbles and high speed photography with framing rates up to 20.8 million frames per second. Examples for jet formation and shock wave emission are given. Acoustic cavitation is produced in water in the interior of piezoelectric cylind...
متن کاملBubble dynamics in double-stranded DNA.
We report the first measurement of the dynamics of bubble formation in double-stranded DNA. Fluctuations of fluorescence of a synthetic DNA construct, internally tagged with a fluorophore and a quencher, are monitored by fluorescence correlation spectroscopy. The relaxation dynamics follow a multistate relaxation kinetics, with a characteristic time scale of 50 microseconds. A simple model of b...
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ژورنال
عنوان ژورنال: Physics of Fluids
سال: 2013
ISSN: 1070-6631,1089-7666
DOI: 10.1063/1.4817803