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Charge Transfer Across the Nanocrystalline-DNA Interface: Probing DNA Recognition
Abstract
Hybrid nanocomposites that electronically link TiO 2 nanoparticles to DNA oligonucleotides were developed. The linking of biomolecules with inorganic components was achieved by using bridging enediol ligands, such as dopamine (DA), which facilitate hole transfer across the interface, establishing efficient crosstalk between the biomolecule and metal oxide nanoparticles. The inherent programmability of oligonucleotides builds recognition properties into the hybrid system, allowing selective binding of nanoparticles to targeted molecules. The inorganic nanoparticles are inherently photoresponsive and therefore serve as a source of photogenerated charges that act as reporters of the electronic properties of the biomolecules. These photoactive bioinorganic TiO 2 /DA/DNA triads are capable of complex photo chemistries such as light induced manipulation of biomolecules and their switching functions. Consequently, light induced extended charge separation in these systems was found to be a fingerprint of DNA oligonucleotide hybridization.
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Cites
Steenken, S., & Jovanovic, S. V. (1997) · Journal of the American Chemical Society · doi:10.1021/ja962255b · Cited by 1,450
Cited by
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Ye, Q., Zhou, F., & Liu, W. (2011) · Chemical Society Reviews · doi:10.1039/c1cs15026j · Cited by 1,177
Mechanistic Insight into the TiO2Photocatalytic Reactions: Design of New Photocatalysts
Tachikawa, T., Fujitsuka, M., & Majima, T. (2007) · The Journal of Physical Chemistry C · doi:10.1021/jp069005u · Cited by 668
Catechols as versatile platforms in polymer chemistry
Faure, E., Falentin-Daudré, C., Jérôme, C., Lyskawa, J., Fournier, D., Woisel, P., & Detrembleur, C. (2013) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2012.06.004 · Cited by 616
Biomimetic Anchor for Surface-Initiated Polymerization from Metal Substrates
Fan, X., Lin, L., Dalsin, J. L., & Messersmith, P. B. (2005) · Journal of the American Chemical Society · doi:10.1021/ja0532638 · Cited by 448
Metadata
- Authors
- Rajh, T., Saponjic, Z., Liu, J., Dimitrijevic, N. M., Scherer, N. F., Vega-Arroyo, M., Zapol, P., Curtiss, L. A., & Thurnauer, M. C.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-04-14
- Volume
- 4
- Issue
- 6
- Pages
- 1017-1023
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2060051808
- Cited by
- 159
- References
- 1
- FWCI
- 4.37
- Type
- journal article
- Language
- en
- Open access
- closed
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- Rajh, T., Saponjic, Z., Liu, J., Dimitrijevic, N. M., Scherer, N. F., Vega-Arroyo, M., Zapol, P., Curtiss, L. A., & Thurnauer, M. C. (2004). Charge Transfer Across the Nanocrystalline-DNA Interface: Probing DNA Recognition. Nano Letters. https://doi.org/10.1021/nl049684p
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
