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A supramolecular pe...
A supramolecular peptide polymer from hydrogen-bond and coordination-driven self-assembly
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Zhu, X. (författare)
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- Zou, Rongfeng (författare)
- KTH,Teoretisk kemi och biologi
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Sun, P. (författare)
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Wang, Q. (författare)
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Wu, J. (författare)
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(creator_code:org_t)
- 2018
- 2018
- Engelska.
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Ingår i: Polymer Chemistry. - : Royal Society of Chemistry. - 1759-9954 .- 1759-9962. ; 9:1, s. 69-76
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A terpyridine- and guanine-functionalized peptide was developed that could form different morphologies by self-assembly or coordination with Fe2+ in dimethyl sulfoxide. The self-assembly of the peptide is attributed to the G-quartet formation of a guanine moiety and intermolecular terpyridine π-π stacking. Upon the addition of Fe2+, a Fe2+-(terpyridine)2 complex is formed that turns the square-planar self-assembly to a three-dimensional self-assembly. As a consequence, a variety of interesting morphologies and chemical properties were observed. The self-assembled polymers were studied by nuclear magnetic resonance spectroscopy, ultraviolet-visible and fluorescence spectroscopy, viscosity measurement, circular dichroism, Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, transmission electron microscopy, dynamic light scattering, and atomic force microscopy. This external stimuli driven self-assembly of a peptide may be further applied to drug delivery applications.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Nyckelord
- Atomic force microscopy
- Circular dichroism spectroscopy
- Dichroism
- Dimethyl sulfoxide
- Electron microscopy
- Fluorescence spectroscopy
- Fourier transform infrared spectroscopy
- High resolution transmission electron microscopy
- Hydrogen bonds
- Light scattering
- Magnetic resonance spectroscopy
- Nuclear magnetic resonance spectroscopy
- Peptides
- Polymers
- Positive ions
- Scanning electron microscopy
- Transmission electron microscopy
- Viscosity measurement
- X ray diffraction
- Coordination-driven self assembly
- Drug delivery applications
- External stimulus
- Functionalized
- Guanine moiety
- Pi-stacking
- Scanning electrons
- Terpyridines
- Self assembly
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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