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DNA-mediated self-assembly of nanostructures: theory and experiments
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering, Physics and Mathematics.
2007 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Sundsvall: Mittuniversitetet , 2007. , 74 p.
Series
Mid Sweden University doctoral thesis, ISSN 1652-893X ; 15
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:miun:diva-8882ISBN: 978-91-85317-39-4 (print)OAI: oai:DiVA.org:miun-8882DiVA: diva2:216073
Public defence
2007-02-09, Sundsvall, 13:00 (English)
Available from: 2009-07-09 Created: 2009-05-06 Last updated: 2009-07-09Bibliographically approved
List of papers
1. Programmable self-assembly - Unique structures and bond uniqueness
Open this publication in new window or tab >>Programmable self-assembly - Unique structures and bond uniqueness
2006 (English)In: Journal of Computational and Theoretical Nanoscience, ISSN 1546-1955, E-ISSN 1546-1963, Vol. 3, no 3, 391-397 p.Article in journal (Refereed) Published
Abstract [en]

An important problem in nanotechnology is to develop a method for assembling complex, aperiodic, structures. While simple self-assembly will not be able to address this problem, programmable-, or algorithmic-, self-assembly is powerful enough to be a potential solution. Here, we address the question of how the basic properties of the constituent building blocks are related to the periodicity of the resulting assembly. By introducing the parameters unique structures, which gives a measure of the complexity of an assembly, and bond uniqueness, which gives a measure of how the building blocks fit together, we show how to quantify the structural quality of a general assembly system and present relations between the parameters. The introduced methods will be helpful when designing assembly systems to be used for direct fabrication of nanosystems or for nano-scaffolds and addressable arrays.

Keyword
PSA, programmable self-assembly, nanotechnology
National Category
Natural Sciences Industrial Biotechnology Mathematics
Identifiers
urn:nbn:se:miun:diva-3201 (URN)000238923900007 ()2-s2.0-33746876306 (Scopus ID)3141 (Local ID)3141 (Archive number)3141 (OAI)
Available from: 2008-09-30 Created: 2008-09-30 Last updated: 2016-09-29Bibliographically approved
2. DNA Coated Nanoparticle eight-mers as Programmable Self-Assembly Building Blocks
Open this publication in new window or tab >>DNA Coated Nanoparticle eight-mers as Programmable Self-Assembly Building Blocks
2005 (English)In: Foundations of nanoscience (FNANO05): Self-assembled architectures and devices, 2005, 219-226 p.Conference paper, Published paper (Other academic)
Keyword
nanoscience PSA nanotechnology
National Category
Natural Sciences Biological Sciences
Identifiers
urn:nbn:se:miun:diva-2296 (URN)2-s2.0-84874704741 (Scopus ID)3075 (Local ID)3075 (Archive number)3075 (OAI)
Available from: 2008-09-30 Created: 2008-09-30 Last updated: 2015-03-12Bibliographically approved
3. Study of DNA-Coated Nanoparticles as Possible Programmable Self-Assembly Building-Blocks
Open this publication in new window or tab >>Study of DNA-Coated Nanoparticles as Possible Programmable Self-Assembly Building-Blocks
2006 (English)In: Applied Surface Science, ISSN 0169-4332, E-ISSN 1873-5584, Vol. 252, no 15, 5538-5541 p.Article in journal (Refereed) Published
Abstract [en]

Nanoparticles coated with single stranded DNA have been shown to efficiently hybridize to targets of complementary DNA. This property might be used to implement programmable (or algorithmic) self-assembly to build nanoparticle structures. However, we argue that a DNA coated nanoparticle by itself cannot be used as a programmable self-assembly building block since it does not have directed bonds. A general scheme for assembling and purifying nanoparticle eight-mers with eight geometrically well-directed bonds is presented together with some preliminary experimental work.

 

 

Keyword
PSA, programmable self-assembly, nanotechnology, Nanoparticles, Nanostructure, Gold particles, DNA coated nanoparticles, nanoteknik
National Category
Natural Sciences
Identifiers
urn:nbn:se:miun:diva-3353 (URN)10.1016/j.apsusc.2005.12.127 (DOI)2-s2.0-33744527341 (Scopus ID)3298 (Local ID)3298 (Archive number)3298 (OAI)
Available from: 2008-09-30 Created: 2009-07-09 Last updated: 2016-09-28Bibliographically approved
4. Anisotropically DNA-functionalized nanoparticle dimers
Open this publication in new window or tab >>Anisotropically DNA-functionalized nanoparticle dimers
2007 (English)In: European Physical Journal D: Atomic, Molecular and Optical Physics, ISSN 1434-6060, E-ISSN 1434-6079, Vol. 43, no 1-3, 299-302 p.Article in journal (Refereed) Published
Abstract [en]

Self-assembly of complex, non-periodic nanostructures can only be achieved by using anisotropic building-blocks. The building blocks need to have at least four bonds pointing in separate directions [J. Comput. Theor. Nanosci. 3, 391 (2006)]. We have previously presented a method for the synthesis of such building-blocks using DNA-functionalized gold nanoparticles. Here, we report on the progress in the experimental realization of this scheme. The first goal, in a process to make programmable self-assembly building-blocks using nanoparticles, is the production of dimers with different DNA-functions on the two component particles. We report on the fabrication of anisotropically functionalized dimers of nanoparticles of two different sizes. As a result of their anisotropy, these demonstrator building blocks can be made to assemble into spherical structures.

Keyword
PSA, programmable self-assembly, nanotechnology, nanoteknik
National Category
Natural Sciences
Identifiers
urn:nbn:se:miun:diva-3801 (URN)10.1140/epjd/e2007-00108-7 (DOI)000246772500073 ()2-s2.0-34249675690 (Scopus ID)4275 (Local ID)4275 (Archive number)4275 (OAI)
Conference
13th International Symposium on Small Particles and Inorganic Clusters, Jul 23-28, 2006, Göteborg, Sweden
Note

13th International Symposium on Small Particles and Inorganic Clusters, Jul 23-28, 2006, Göteborg, Sweden

Available from: 2008-09-30 Created: 2009-07-09 Last updated: 2016-10-05Bibliographically approved
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