Aggregation-disaggregation transition of DNA coated colloids: Experiments and theory

Rémi Dreyfus; Mirjam E. Leunissen; Roujie Sha; Alexei V. Tkachenko; Nadrian C. Seeman; David J. Pine; Paul M. Chaikin

Aggregation-disaggregation transition of DNA coated colloids: Experiments and theory

Rémi Dreyfus, Mirjam E. Leunissen, Roujie Sha, Alexei V. Tkachenko, Nadrian C. Seeman, David J. Pine, Paul M. Chaikin

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Colloids coated with 'sticky ends' of complementary single-stranded DNA exhibit a transition upon heating from an associated to a disassociated state. This transition is investigated both experimentally and theoretically. The transition is experimentally probed by performing well controlled and characterized experiments with micrometer-sized colloids. A model is then developed, starting from the level of statistical mechanics of tethered DNA to that of colloid aggregates. This model is in excellent agreement with the experiments for the temperature and width of the transition, which are both essential properties for complex self-assembly processes.

Original language	English (US)
Title of host publication	Extended Abstracts for 6th Annual Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2009
Pages	196-200
Number of pages	5
State	Published - 2009
Event	6th Annual Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2009 - Snowbird, UT, United States Duration: Apr 20 2009 → Apr 24 2009

Other

Other	6th Annual Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2009
Country/Territory	United States
City	Snowbird, UT
Period	4/20/09 → 4/24/09

ASJC Scopus subject areas

Hardware and Architecture
Electrical and Electronic Engineering

Cite this

Aggregation-disaggregation transition of DNA coated colloids: Experiments and theory. / Dreyfus, Rémi; Leunissen, Mirjam E.; Sha, Roujie et al.
Extended Abstracts for 6th Annual Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2009. 2009. p. 196-200.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Dreyfus, R, Leunissen, ME, Sha, R, Tkachenko, AV, Seeman, NC, Pine, DJ & Chaikin, PM 2009, Aggregation-disaggregation transition of DNA coated colloids: Experiments and theory. in Extended Abstracts for 6th Annual Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2009. pp. 196-200, 6th Annual Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2009, Snowbird, UT, United States, 4/20/09.

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abstract = "Colloids coated with 'sticky ends' of complementary single-stranded DNA exhibit a transition upon heating from an associated to a disassociated state. This transition is investigated both experimentally and theoretically. The transition is experimentally probed by performing well controlled and characterized experiments with micrometer-sized colloids. A model is then developed, starting from the level of statistical mechanics of tethered DNA to that of colloid aggregates. This model is in excellent agreement with the experiments for the temperature and width of the transition, which are both essential properties for complex self-assembly processes.",

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AU - Sha, Roujie

AU - Tkachenko, Alexei V.

AU - Seeman, Nadrian C.

AU - Pine, David J.

AU - Chaikin, Paul M.

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AB - Colloids coated with 'sticky ends' of complementary single-stranded DNA exhibit a transition upon heating from an associated to a disassociated state. This transition is investigated both experimentally and theoretically. The transition is experimentally probed by performing well controlled and characterized experiments with micrometer-sized colloids. A model is then developed, starting from the level of statistical mechanics of tethered DNA to that of colloid aggregates. This model is in excellent agreement with the experiments for the temperature and width of the transition, which are both essential properties for complex self-assembly processes.

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BT - Extended Abstracts for 6th Annual Conference on Foundations of Nanoscience: Self-Assembled Architectures and Devices, FNANO 2009

Y2 - 20 April 2009 through 24 April 2009

ER -

Aggregation-disaggregation transition of DNA coated colloids: Experiments and theory

Abstract

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ASJC Scopus subject areas

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