Quantum confined peptide assemblies with tunable visible to near-infrared spectral range
Tao K.5; Fan Z.1; Sun L.11; Makam P.5; Tian Z.10; Ruegsegger M.1; Shaham-Niv S.5; Hansford D.1; Aizen R.5; Pan Z.12; Galster S.7; Ma J.3; Yuan F.8; Si M.6; Qu S.10; Zhang M.1; Gazit E.5; Li J.2
Source PublicationNature Communications
AbstractQuantum confined materials have been extensively studied for photoluminescent applications. Due to intrinsic limitations of low biocompatibility and challenging modulation, the utilization of conventional inorganic quantum confined photoluminescent materials in bio-imaging and bio-machine interface faces critical restrictions. Here, we present aromatic cyclo-dipeptides that dimerize into quantum dots, which serve as building blocks to further self-assemble into quantum confined supramolecular structures with diverse morphologies and photoluminescence properties. Especially, the emission can be tuned from the visible region to the near-infrared region (420 nm to 820 nm) by modulating the self-assembly process. Moreover, no obvious cytotoxic effect is observed for these nanostructures, and their utilization for in vivo imaging and as phosphors for light-emitting diodes is demonstrated. The data reveal that the morphologies and optical properties of the aromatic cyclo-dipeptide self-assemblies can be tuned, making them potential candidates for supramolecular quantum confined materials providing biocompatible alternatives for broad biomedical and opto-electric applications.
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Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Ohio State University
2.Beijing National Laboratory for Molecular Sciences
3.Dorothy M. Davis Heart and Lung Research Institute
4.Tongji University
5.Tel Aviv University George S. Wise Faculty of Life Sciences
6.Lanzhou University
7.West Virginia University School of Medicine Morgantown
8.Duke University
9.Tel Aviv University
10.Changchun Institute of Optics Fine Mechanics and Physics Chinese Academy of Sciences
11.Northwestern Polytechnical University
12.University of Texas at Arlington
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Tao K.,Fan Z.,Sun L.,et al. Quantum confined peptide assemblies with tunable visible to near-infrared spectral range[J]. Nature Communications,2018,9(1).
APA Tao K..,Fan Z..,Sun L..,Makam P..,Tian Z..,...&Li J..(2018).Quantum confined peptide assemblies with tunable visible to near-infrared spectral range.Nature Communications,9(1).
MLA Tao K.,et al."Quantum confined peptide assemblies with tunable visible to near-infrared spectral range".Nature Communications 9.1(2018).
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