Diffusion in two-dimensional colloid-DNA systems

T. C. Lee; D. R. Pilaski; C. Y. Chou; T. T.M. Vo; M. Robert

doi:10.1016/S0378-4371(03)00571-5

Diffusion in two-dimensional colloid-DNA systems

T. C. Lee, D. R. Pilaski, C. Y. Chou, T. T.M. Vo, M. Robert

Department of Chemical and Materials Engineering

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Diffusion in quasi-two-dimensional colloid-DNA systems are studied by enhanced video microscopy and image analysis. The colloidal particles are polystyrene spheres and DNA is linear or circular bacteriophage λ-DNA. Dyed linear DNA molecules in pure linear DNA solutions are tracked by fluorescence microscopy. The diffusivities of the colloidal particles and of the DNA molecules are found to decrease sharply at low DNA concentration; the diffusivities of the colloidal particles in both linear and circular DNA exhibit a change in slope as the DNA concentration increases.

Original language	English
Pages (from-to)	431-435
Number of pages	5
Journal	Physica A: Statistical Mechanics and its Applications
Volume	329
Issue number	3-4
DOIs	https://doi.org/10.1016/S0378-4371(03)00571-5
State	Published - 15 Nov 2003

Keywords

Colloid-DNA systems
Diffusion

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10.1016/S0378-4371(03)00571-5

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abstract = "Diffusion in quasi-two-dimensional colloid-DNA systems are studied by enhanced video microscopy and image analysis. The colloidal particles are polystyrene spheres and DNA is linear or circular bacteriophage λ-DNA. Dyed linear DNA molecules in pure linear DNA solutions are tracked by fluorescence microscopy. The diffusivities of the colloidal particles and of the DNA molecules are found to decrease sharply at low DNA concentration; the diffusivities of the colloidal particles in both linear and circular DNA exhibit a change in slope as the DNA concentration increases.",

keywords = "Colloid-DNA systems, Diffusion",

author = "Lee, {T. C.} and Pilaski, {D. R.} and Chou, {C. Y.} and Vo, {T. T.M.} and M. Robert",

note = "Funding Information: We are grateful to Prof. M. Pasquali for discussions and Connie Smith for instruction on fluorescence microscopy. This work was supported by the National Science Foundation under Grant No. CTS-97000147 and by the Welch Foundation.",

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T1 - Diffusion in two-dimensional colloid-DNA systems

AU - Lee, T. C.

AU - Pilaski, D. R.

AU - Chou, C. Y.

AU - Vo, T. T.M.

AU - Robert, M.

N1 - Funding Information: We are grateful to Prof. M. Pasquali for discussions and Connie Smith for instruction on fluorescence microscopy. This work was supported by the National Science Foundation under Grant No. CTS-97000147 and by the Welch Foundation.

PY - 2003/11/15

Y1 - 2003/11/15

N2 - Diffusion in quasi-two-dimensional colloid-DNA systems are studied by enhanced video microscopy and image analysis. The colloidal particles are polystyrene spheres and DNA is linear or circular bacteriophage λ-DNA. Dyed linear DNA molecules in pure linear DNA solutions are tracked by fluorescence microscopy. The diffusivities of the colloidal particles and of the DNA molecules are found to decrease sharply at low DNA concentration; the diffusivities of the colloidal particles in both linear and circular DNA exhibit a change in slope as the DNA concentration increases.

AB - Diffusion in quasi-two-dimensional colloid-DNA systems are studied by enhanced video microscopy and image analysis. The colloidal particles are polystyrene spheres and DNA is linear or circular bacteriophage λ-DNA. Dyed linear DNA molecules in pure linear DNA solutions are tracked by fluorescence microscopy. The diffusivities of the colloidal particles and of the DNA molecules are found to decrease sharply at low DNA concentration; the diffusivities of the colloidal particles in both linear and circular DNA exhibit a change in slope as the DNA concentration increases.

KW - Colloid-DNA systems

KW - Diffusion

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JO - Physica A: Statistical Mechanics and its Applications

JF - Physica A: Statistical Mechanics and its Applications

IS - 3-4

ER -

Diffusion in two-dimensional colloid-DNA systems

Abstract

Keywords

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