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dc.creatorMarković, Zoran M.
dc.creatorKovačova, Maria
dc.creatorHumpoliček, Petr
dc.creatorBudimir, Milica
dc.creatorVajdak, Jan
dc.creatorKubat, Pavel
dc.creatorMičušik, Matej
dc.creatorŠvajdlenkova, Helena
dc.creatorDanko, Martin
dc.creatorCapakova, Zdenka
dc.creatorLehocky, Marian
dc.creatorTodorović-Marković, Biljana
dc.creatorŠpitalsky, Zdenko
dc.date.accessioned2019-07-17T09:45:04Z
dc.date.available2019-07-17T09:45:04Z
dc.date.issued2019
dc.identifier.issn1572-1000
dc.identifier.urihttps://vinar.vin.bg.ac.rs/handle/123456789/8174
dc.description.abstractDespite great efforts, the design of antibacterial surfaces is still a challenge. In this work, results of structural, mechanical, cytotoxic and antibacterial activities of hydrophobic carbon quantum dots/polydimethylsiloxane surfaces are presented. Antibacterial action of this surface is based on the generation of reactive oxygen species which cause bacteria damage by oxidative stress. At the same time, this surface was not cytotoxic towards the NIH/3T3 cells. Swelling-encapsulation-shrink method is applied for encapsulation of hydrophobic carbon quantum dots in medical grade silicone-polydimethylsiloxane. XPS and photoluminescence spectroscopy analyses confirm that hydrophobic carbon quantum dots have been encapsulated successfully into polydimethylsiloxane polymer matrix. Based on stress-strain test the improvement of mechanical properties of these nanocomposites is established. It is shown by electron paramagnetic resonance spectroscopy and luminescence method that nanocomposite generates singlet oxygen initiated by 470 nm blue light irradiation. Antibacterial testing shows the nanocomposite in the form of foil kills Staphylococcus aureus, Escherichia coli and Klebsiella pneumoniae and is very effective after only a 15 min irradiation. © 2019 Elsevier B.V.en
dc.language.isoen
dc.relationSASPRO Programme [1237/02/02-b]
dc.relationPeople Programme (Marie Curie Actions) European Union's Seventh Framework Programme under REA [609427]
dc.relationVEGA [2/0093/16]
dc.relationMinistry of Education, Youth and Sports of the Czech Republic Program NPU I [LO1504]
dc.relationCzech Science Foundation [19-09721S]
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172003/RS//
dc.relationbilateral project Serbia-Slovakia [SK-SRB-2016-0038]
dc.relationmultilateral scientific and technological cooperation in the Danube region [DS-2016-021]
dc.relation.isreferencedbyhttps://vinar.vin.bg.ac.rs/handle/123456789/9615
dc.relation.isreferencedbyhttps://vinar.vin.bg.ac.rs/handle/123456789/8187
dc.rightsrestrictedAccess
dc.sourcePhotodiagnosis and Photodynamic Therapy
dc.subjectHydrophobic carbon quantum dotsen
dc.subjectMedical grade polydimethylsiloxaneen
dc.subjectAntibacterial surfacesen
dc.subjectVisible light sterilizationen
dc.subjectAntimicrobial photodynamic therapyen
dc.titleAntibacterial photodynamic activity of carbon quantum dots/polydimethylsiloxane nanocomposites against Staphylococcus aureus, Escherichia coli and Klebsiella pneumoniaeen
dc.typearticleen
dc.rights.licenseARR
dcterms.abstractХумполíчек, Петр; Ковáчовá, Мáриа; Данко, Мартин; Тодоровић Марковић, Биљана М; Марковић, Зоран М; Шпиталскý, Здено; Вајďáк, Јан; Будимир, Милица Д; Лехоцкý, Мариáн; Цапáковá, Зденка; Швајдленковá, Хелена; Мичушíк, Матеј; Кубáт, Павел;
dc.rights.holder© 2019 Elsevier B.V.
dc.citation.volume26
dc.citation.spage342
dc.citation.epage349
dc.identifier.wos000474330400058
dc.identifier.doi10.1016/j.pdpdt.2019.04.019
dc.citation.rankM22
dc.identifier.pmid31022579
dc.description.otherPost-print version available at: [http://vinar.vin.bg.ac.rs/handle/123456789/8187]
dc.description.otherLink to erratum: [https://vinar.vin.bg.ac.rs/handle/123456789/9615]
dc.type.versionpublishedVersion
dc.identifier.scopus2-s2.0-85065202835


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