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Preparation of functionalized protein materials assisted by mechanochemistry
Linköpings universitet, Institutionen för fysik, kemi och biologi, Biomolekylär och Organisk Elektronik. Linköpings universitet, Tekniska fakulteten.
Linköpings universitet, Institutionen för fysik, kemi och biologi, Biomolekylär och Organisk Elektronik. Linköpings universitet, Tekniska fakulteten.
2018 (engelsk)Inngår i: Journal of Materials Science, ISSN 0022-2461, E-ISSN 1573-4803, Vol. 53, nr 19, s. 13719-13732Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Herein, we investigate the suitability of hen egg-white lysozyme (HEWL) as a protein matrix for dispersal of various hydrophobic dyes. Moreover, we investigate the use of a mixer mill for grinding operation as an alternative to hand grinding by mortar and pestle. HEWL and various dyes are mixed by mechanochemistry, and the resulting composite material is dissolved in aqueous acid. The samples are then exposed to conditions promoting self-assembly of HEWL into protein nanofibrils (PNFs). The effect of PNF formation on dye photophysics is investigated by spectroscopic examination by absorption and luminescence spectroscopy, and product morphology is examined by scanning electron microscopy. The self-assembly process results in protein nanofibrils functionalized with luminescent dyes. Such structures may find future applications in various devices for light emission. In addition, we demonstrate that the anticancer drug camptothecin can be incorporated into protein nanofibrils giving materials that can find application as drug delivery agents.

sted, utgiver, år, opplag, sider
SPRINGER , 2018. Vol. 53, nr 19, s. 13719-13732
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URN: urn:nbn:se:liu:diva-150199DOI: 10.1007/s10853-018-2461-7ISI: 000440047900036OAI: oai:DiVA.org:liu-150199DiVA, id: diva2:1241097
Merknad

Funding Agencies|China Scholarship Council; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University [2009-00971]

Tilgjengelig fra: 2018-08-22 Laget: 2018-08-22 Sist oppdatert: 2018-09-11

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