Nanoscale Particle Arrays Induced by Highly Ordered Protein Assemblies

Behrens, Silke; Rahn, Kerstin; Habicht, W.; Böhm, Konrad-Joachim; Rösner, Harald; Dinjus, E.; Unger, Eberhard

doi:10.1002/1521-4095(20021118)14:22<1621::aid-adma1621>3.0.co;2-d

Cited by 114 publications

(95 citation statements)

References 7 publications

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“…The research on the hybridization of biomolecules with conducting materials is promising because of their potential use as conducting metal connections with smart recognition for nanoscale electrical devices. Various tubular and filamentous biomolecules such as DNA strands, 13 14 actin filaments, 15 amyloid fibers, 5 protein tubules, 16 and viruses 8 17-20 are used as biotemplates in nanotube and nanowire synthesis.…”

Section: Introductionmentioning

confidence: 99%

Deposition of Platinum Clusters on Surface-Modified Tobacco Mosaic Virus

Lee¹,

Choi²,

Royston³

et al. 2006

J. Nanosci. Nanotech.

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Nanoscaled Pt conductors were prepared from genetically engineered Tobacco mosaic virus (TMV) templates through Pt cluster deposition on the outer surface of the TMV. Pt clusters were synthesized and deposited on the engineered TMV with surface-exposed cysteine via the in situ mineralization of hexachloroplatinate anions. This deposition was driven by the specific binding between thiols and the solid metal clusters. In addition, Pt-thiolate adducts are suggested to form on the engineered TMV in aqueous solutions that work as nucleation sites for the formation of the Pt clusters. The specific binding between Pt clusters and the engineered TMV template was investigated using UV/vis spectrophotometry and quartz crystal microbalance (QCM) analysis. The electric conductance of Pt-deposited TMV was greater than that of the uncoated TMV virion particles. This result suggests the application of metal cluster-deposited engineered TMV in future electrical devices such as rapid response sensors.

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Section: Introductionmentioning

confidence: 99%

Deposition of Platinum Clusters on Surface-Modified Tobacco Mosaic Virus

Lee¹,

Choi²,

Royston³

et al. 2006

J. Nanosci. Nanotech.

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“…To apply nanocrystals as building blocks for practical electronic, magnetic, and optical devices, nanocrystals must be assembled. Although various nanocrystals have been assembled on flat substrates (11)(12)(13)(14)(15)(16)(17), the self-assembly of nanocrystals on cylindrical nanotube surfaces has also been reported recently (18)(19)(20)(21)(22)(23)(24)(25). When the coupling strength of overlapped wave functions between neighboring nanocrystals is tuned by compressing the lattice of nanocrystals, the range of tuning the electronic structures is considerable because the overlap depends exponentially on the interdot distance and the size (26,27).…”

mentioning

confidence: 99%

Cu nanocrystal growth on peptide nanotubes by biomineralization: Size control of Cu nanocrystals by tuning peptide conformation

Banerjee

Matsui

2003

Proc. Natl. Acad. Sci. U.S.A.

244

171

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With recent interest in seeking new biologically inspired devicefabrication methods in nanotechnology, a new biological approach was examined to fabricate Cu nanotubes by using sequenced histidine-rich peptide nanotubes as templates. The sequenced histidine-rich peptide molecules were assembled as nanotubes, and the biological recognition of the specific sequence toward Cu lead to efficient Cu coating on the nanotubes. Cu nanocrystals were uniformly coated on the histidine-incorporated nanotubes with high packing density. In addition, the diameter of Cu nanocrystal was controlled between 10 and 30 nm on the nanotube by controlling the conformation of histidine-rich peptide by means of pH changes. Those nanotubes showed significant change in electronic structure by varying the nanocrystal diameter; therefore, this system may be developed to a conductivity-tunable building block for microelectronics and biological sensors. This simple biomineralization method can be applied to fabricate various metallic and semiconductor nanotubes with peptides whose sequences are known to mineralize specific ions.

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“…The long-term application of this work centers on the energy-driven assembly of photoactive materials with a range of materials science-, nanoelectronics-, and nanophotonics-based applications. There has been considerable interest in using biological molecules as scaffolds for synthesizing and assembling nanoscale materials [26][27][28][29][30][31][32][33][34]. To date, the majority of work has focused on using biomolecules as a static scaffold for assembling composite materials.…”

Section: Figure 10mentioning

confidence: 99%

Assembling semiconductor nanocomposites using DNA replication technologies.

Heimer¹,

Crown²,

Bachand³

2005

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Deoxyribonucleic acid (DNA) molecules represent Nature's genetic database, encoding the information necessary for all cellular processes. From a materials engineering perspective, DNA represents a nanoscale scaffold with highly refined structure, stability across a wide range of environmental conditions, and the ability to interact with a range of biomolecules. The ability to mass-manufacture functionalized DNA strands with Ångstrom-level resolution through DNA replication technology, however, has not been explored. The long-term goal of the work presented in this report is focused on exploiting DNA and in vitro DNA replication processes to mass-manufacture nanocomposite materials. The specific objectives of this project were to: (1) develop methods for replicating DNA strands that incorporate nucleotides with "chemical handles," and (2) demonstrate attachment of nanocrystal quantum dots (nQDs) to functionalized DNA strands. Polymerase chain reaction (PCR) and primer extension methodologies were used to successfully synthesize amine-, thiol-, and biotin-functionalized DNA molecules. Significant variability in the efficiency of modified nucleotide incorporation was observed, and attributed to the intrinsic properties of the modified nucleotides. Noncovalent attachment of streptavidin-coated nQDs to biotin-modified DNA synthesized using the primer extension method was observed by epifluorescence microscopy. Data regarding covalent attachment of nQDs to amine-and thiol-functionalized DNA was generally inconclusive; alternative characterization tools are necessary to fully evaluate these attachment methods. Full realization of this technology may facilitate new approaches to manufacturing materials at the nanoscale. In addition, composite nQD-DNA materials may serve as novel recognition elements in sensor devices, or be used as 3 diagnostic tools for forensic analyses. This report summarizes the results obtained over the course of this 1-year project.

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Nanoscale Particle Arrays Induced by Highly Ordered Protein Assemblies

Cited by 114 publications

References 7 publications

Deposition of Platinum Clusters on Surface-Modified Tobacco Mosaic Virus

Deposition of Platinum Clusters on Surface-Modified Tobacco Mosaic Virus

Cu nanocrystal growth on peptide nanotubes by biomineralization: Size control of Cu nanocrystals by tuning peptide conformation

Assembling semiconductor nanocomposites using DNA replication technologies.

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