Extensions of counterion condensation theory .2. cell model and osmotic pressure of DNA
Article Abstract:
The counterion condensation theory is further extended to treat a cell model and the osmotic pressure of relatively concentrated DNA solutions in equilibrium with bathing solutions of different salt concentration. Results of the present day theory are compared with recently published experimental data of Raspaud et al. and with theoretical calculations of Hansen et al, the level of overall agreement between the predictions of this extended counterion condensation cell-model theory and either the experimental data or the calculations of Hasen et al. support the alternative auxiliary assumption that underlines the present theory.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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DNA condensation induced by cationic surfactant: A viscosimetry and dynamic light scattering study
Article Abstract:
Combined viscosity and dynamic light scattering measurements was used to investigate the compaction of DNA induced by two simple amphiphiles, cetyltrimethylammonium bromide [CTAB] and dodecyldimethylamine oxide [DDAO]. The investigation was done to demonstrate the formation of soluble DNA/surfactant complexes, undergoing a coil-globule transition, upon the increase of the amphiphile concentration.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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Influence of pressure on the spectral properties of dye-DNA supermolecules
Article Abstract:
A series of structurally and chemically different dye-DNA complexes is investigated through the specific behavior of spectral holes under pressure. The various DNA strands show characteristic features in the spectra under pressure that reflect specific structural features.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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