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Photonics of Hydrot...
Photonics of Hydrothermally Treated ß-Lactoglobulin Amyloids
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- Hanczyc, Piotr (författare)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten,Univ Warsaw, Poland
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- Alfarano, Serena Rosa (författare)
- Swiss Fed Inst Technol, Switzerland
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- Bolisetty, Sreenath (författare)
- Swiss Fed Inst Technol, Switzerland
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- Zhou, Jiangtao (författare)
- Swiss Fed Inst Technol, Switzerland
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- Peydayesh, Mohammad (författare)
- Swiss Fed Inst Technol, Switzerland; Indian Inst Technol Bhilai, India
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- Lutz-Bueno, Viviane (författare)
- PSI, Switzerland
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- Diaz, Ana (författare)
- PSI, Switzerland
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- Goswami, Shrestha Roy (författare)
- Swiss Fed Inst Technol, Switzerland
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- Beerepoot, Maarten T. P. (författare)
- UiT Arctic Univ Norway, Norway
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- Alam, Mohammad Mehboob (författare)
- UiT Arctic Univ Norway, Norway; Indian Inst Technol Bhilai, India
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- Wang, Lei (författare)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten,Guangdong Univ Petrochem Technol, Peoples R China
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- Solin, Niclas (författare)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Szymanska, Iwona (författare)
- Warsaw Univ Life Sci WULS SGGW, Poland
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- Mezzenga, Raffaele (författare)
- Swiss Fed Inst Technol, Switzerland; Swiss Fed Inst Technol, Switzerland
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(creator_code:org_t)
- 2024
- 2024
- Engelska.
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Ingår i: SMALL SCIENCE. - : WILEY. - 2688-4046.
- 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
- Increased temperature and high pressure are applied to beta-lactoglobulin fibrils in the autoclave, resulting in the acquisition of a composite material comprised of partially disassembled amyloid fibrils and carbon dots. Confirmation of the preservation of the beta-sheet motif attributed to amyloids in the hydrothermally treated fibrils is obtained through wide-angle X-ray scattering and ThT assay. Z-scan analysis reveals a two-photon absorption (2PA) enhancement in the low-lying transition band (La) of tyrosine, while quantum chemical calculations demonstrate a correlation between the yield of 2PA and the interspace distance between aromatic residues. Overall, the intrinsic optical properties of amyloid fibrils treated in a subcritical water environment are found to be linked with the pi-conjugation of tyrosine units and their through-space coupling. The resulting composite material is employed as a coating for a commercial ultraviolet light-emitting diode lamp, showcasing the potential utility of sustainable biomaterials with improved optical properties for photonics applications. By subjecting beta-lactoglobulin fibrils to elevated temperature and pressure in autoclave, partially disassembled fibrils are generated. The study reveals a correlation between fluorescence and two-photon absorption and the spacing of aromatic residues, shedding light on the mechanism behind the improved optical properties of amyloid fibrils. Furthermore, the hydrothermally treated beta-lactoglobulin fibrils are utilized to coat ultraviolet light-emitting diode lamps. image (c) 2024 WILEY-VCH GmbH
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Nyckelord
- amyloids; enhanced emission; hydrothermal treatment; Light emitting diode (LED); nonlinear absorption
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Hanczyc, Piotr
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Alfarano, Serena ...
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Bolisetty, Sreen ...
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Zhou, Jiangtao
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Peydayesh, Moham ...
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Lutz-Bueno, Vivi ...
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Diaz, Ana
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Goswami, Shresth ...
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Beerepoot, Maart ...
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Alam, Mohammad M ...
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Wang, Lei
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Solin, Niclas
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Szymanska, Iwona
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Mezzenga, Raffae ...
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