Valorization of Brewery Wastes for the Synthesis of Silver Nanocomposites Containing Orthophosphate

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dc.contributor.authorSudagar, Alcina Johnson
dc.contributor.authorRangam, Neha Venkatesh
dc.contributor.authorRuszczak, Artur
dc.contributor.authorBorowicz, Pawel
dc.contributor.authorToth, Jozsef
dc.contributor.authorKover, Laszlo
dc.contributor.authorMichalowska, Dorota
dc.contributor.authorRoszko, Marek L.
dc.contributor.authorNoworyta, Krzysztof R.
dc.contributor.authorLesiak, Beata
dc.contributor.organizationInstitute of Physical Chemistry, Polish Academy of Sciencesen
dc.contributor.organizationInstitute for Nuclear Research, Debrecen, Hungaryen
dc.contributor.organizationInstitute of Agricultural and Food Biotechnology – State Research Instituteen
dc.date.accessioned2022-03-14T14:19:36Z
dc.date.available2022-03-14T14:19:36Z
dc.date.issued2021-10-10
dc.description.abstractBrewery wastes from stage 5 (Wort precipitate: BW5) and stage 7 (Brewer’s spent yeast: BW7) were valorized for the synthesis of silver phosphate nanocomposites. Nanoparticles were synthesized by converting silver salt in the presence of brewery wastes at different temperatures (25, 50, and 80 °C) and times (10, 30, and 120 min). Unexpectedly, BW7 yielded Ag3PO4 nanoparticles with minor contents of AgCl and Ag metal (Agmet). Contrastingly, BW5 produced AgCl nanoparticles with minor amounts of Ag3PO4 and Agmet. Nanocomposites with different component ratios were obtained by simply varying the synthesis temperature and time. The morphology of the nanocomposites contained ball-like structures representative of Ag3PO4 and stacked layers and fused particles representing AgCl and Agmet. The capping on the nanoparticles contained organic groups from the brewery by-products, and the surface overlayer had a rich chemical composition. The organic overlayers on BW7 nanocomposites were thinner than those on BW5 nanocomposites. Notably, the nanocomposites exhibited high antibacterial activity against Escherichia coli ATCC 25922. The antibacterial activity was higher for BW7 nanocomposites due to a larger silver phosphate content in the composition and a thin organic overlayer. The growth of Agmet in the structure adversely affected the antimicrobial property of the nanocomposites.en
dc.description.sponsorshipMarie Curie Cofund grant no. 711859.
dc.identifier.citationSudagar, A.J.; Rangam, N.V.; Ruszczak, A.; Borowicz, P.; Tóth, J.; Kövér, L.; Michałowska, D.; Roszko, M.Ł.; Noworyta, K.R.; Lesiak, B. Valorization of Brewery Wastes for the Synthesis of Silver Nanocomposites Containing Orthophosphate. Nanomaterials 2021, 11, 2659. https://doi.org/10.3390/ nano11102659en
dc.identifier.issn2079-4991
dc.identifier.other10.3390/ nano11102659
dc.identifier.urihttps://open.icm.edu.pl/handle/123456789/21131
dc.language.isoen
dc.publisherMDPIen
dc.rightsUznanie autorstwa 4.0 Międzynarodowe*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectgreen chemistryen
dc.subjectnanoparticlesen
dc.subjectwaste valorizationen
dc.subjectantibacterialen
dc.subjectsilver phosphateen
dc.titleValorization of Brewery Wastes for the Synthesis of Silver Nanocomposites Containing Orthophosphateen
dc.typearticleen
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