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Quantum confined peptide assemblies with tunable visible to near-infrared spectral range.

Publication ,  Journal Article
Tao, K; Fan, Z; Sun, L; Makam, P; Tian, Z; Ruegsegger, M; Shaham-Niv, S; Hansford, D; Aizen, R; Pan, Z; Galster, S; Ma, J; Yuan, F; Si, M ...
Published in: Nature communications
August 2018

Quantum 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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Published In

Nature communications

DOI

EISSN

2041-1723

ISSN

2041-1723

Publication Date

August 2018

Volume

9

Issue

1

Start / End Page

3217

Related Subject Headings

  • Spectroscopy, Near-Infrared
  • Quantum Dots
  • Peptides, Cyclic
  • Peptides
  • Mice, Nude
  • Male
  • Humans
  • Fluorescence
  • Dimerization
  • Cell Line
 

Citation

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ICMJE
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Tao, K., Fan, Z., Sun, L., Makam, P., Tian, Z., Ruegsegger, M., … Li, J. (2018). Quantum confined peptide assemblies with tunable visible to near-infrared spectral range. Nature Communications, 9(1), 3217. https://doi.org/10.1038/s41467-018-05568-9
Tao, Kai, Zhen Fan, Leming Sun, Pandeeswar Makam, Zhen Tian, Mark Ruegsegger, Shira Shaham-Niv, et al. “Quantum confined peptide assemblies with tunable visible to near-infrared spectral range.Nature Communications 9, no. 1 (August 2018): 3217. https://doi.org/10.1038/s41467-018-05568-9.
Tao K, Fan Z, Sun L, Makam P, Tian Z, Ruegsegger M, et al. Quantum confined peptide assemblies with tunable visible to near-infrared spectral range. Nature communications. 2018 Aug;9(1):3217.
Tao, Kai, et al. “Quantum confined peptide assemblies with tunable visible to near-infrared spectral range.Nature Communications, vol. 9, no. 1, Aug. 2018, p. 3217. Epmc, doi:10.1038/s41467-018-05568-9.
Tao K, Fan Z, Sun L, Makam P, Tian Z, Ruegsegger M, Shaham-Niv S, Hansford D, Aizen R, Pan Z, Galster S, Ma J, Yuan F, Si M, Qu S, Zhang M, Gazit E, Li J. Quantum confined peptide assemblies with tunable visible to near-infrared spectral range. Nature communications. 2018 Aug;9(1):3217.

Published In

Nature communications

DOI

EISSN

2041-1723

ISSN

2041-1723

Publication Date

August 2018

Volume

9

Issue

1

Start / End Page

3217

Related Subject Headings

  • Spectroscopy, Near-Infrared
  • Quantum Dots
  • Peptides, Cyclic
  • Peptides
  • Mice, Nude
  • Male
  • Humans
  • Fluorescence
  • Dimerization
  • Cell Line