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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201906626
|2 doi
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|a pubmed24n1013.xml
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|a (DE-627)NLM304157244
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|a (NLM)31814172
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Park, Sarah S
|e verfasserin
|4 aut
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| 245 |
1 |
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|a DNA- and Field-Mediated Assembly of Magnetic Nanoparticles into High-Aspect Ratio Crystals
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 29.01.2020
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Under an applied magnetic field, superparamagnetic Fe3 O4 nanoparticles with complementary DNA strands assemble into crystalline, pseudo-1D elongated superlattice structures. The assembly process is driven through a combination of DNA hybridization and particle dipolar coupling, a property dependent on particle composition, size, and interparticle distance. The DNA controls interparticle distance and crystal symmetry, while the magnetic field leads to anisotropic crystal growth. Increasing the dipole interaction between particles by increasing particle size or external field strength leads to a preference for a particular crystal morphology (e.g., rhombic dodecahedra, stacked clusters, and smooth rods). Molecular dynamics simulations show that an understanding of both DNA hybridization energetic and magnetic interactions is required to predict the resulting crystal morphology. Taken together, the data show that applied magnetic fields with magnetic nanoparticles can be deliberately used to access nanostructures beyond what is possible with DNA hybridization alone
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|a Journal Article
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|a colloidal crystals
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|a high-aspect ratio crystals
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|a iron oxide nanoparticles
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|a magnetic nanoparticles
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|a nanoparticle superlattices
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|a Urbach, Zachary J
|e verfasserin
|4 aut
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1 |
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|a Brisbois, Chase A
|e verfasserin
|4 aut
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1 |
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|a Parker, Kelly A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Partridge, Benjamin E
|e verfasserin
|4 aut
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|a Oh, Taegon
|e verfasserin
|4 aut
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|a Dravid, Vinayak P
|e verfasserin
|4 aut
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|a Olvera de la Cruz, Monica
|e verfasserin
|4 aut
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| 700 |
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|a Mirkin, Chad A
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 4 vom: 03. Jan., Seite e1906626
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:32
|g year:2020
|g number:4
|g day:03
|g month:01
|g pages:e1906626
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|u http://dx.doi.org/10.1002/adma.201906626
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