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Title: Rheology of semi-dilute solutions of calf-thymus DNA
Authors: Bandyopadhyay, Ranjini
Sood, A.K.
Issue Date: 2002
Publisher: Indian Academy of Sciences
Citation: Pramana, 2002, Vol.58, p685–694
Abstract: We study the rheology of semi-dilute solutions of the sodium salt of calf-thymus DNA in the linear and nonlinear regimes. The frequency response data can be fitted very well to the hybrid model with two dominant relaxation times $\tau_{\circ}$ and $\tau_{1}$. The ratio $\frac{\tau_{\circ}}{\tau_{1}} \sim$ 5 is seen to be fairly constant on changing the temperature from 20$^{\circ}$C to 30$^{\circ}$C. The shear rate dependence of viscosity can be fitted to the Carreau model.
Description: Open Access.
ISSN: 0304-4289
0973-7111 (Online)
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Copyright: 2002 Indian Academy of Sciences
Appears in Collections:Research Papers (SCM)

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