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Component analysis of fluorescence spectra of thiol DAB dendrimer/ZnSe-PEA nanoparticles
dc.creator | Algarra, Manuel | |
dc.creator | Radotić, Ksenija | |
dc.creator | Kalauzi, Aleksandar | |
dc.creator | Alonso, Beatriz | |
dc.creator | Casado, CM | |
dc.creator | Esteves da Silva, Joaquim C.G. | |
dc.date.accessioned | 2022-04-05T14:41:49Z | |
dc.date.available | 2022-04-05T14:41:49Z | |
dc.date.issued | 2013 | |
dc.identifier.issn | 0039-9140 | |
dc.identifier.uri | http://rimsi.imsi.bg.ac.rs/handle/123456789/652 | |
dc.description.abstract | The fluorescence spectroscopy technique is an accurate method and has great utility in the interpretation of complex systems based on several emission bands. An interpretation of the system requires determination of the number, positions and intensities of the spectral components. In this work, the emission spectra of the synthesized ZnSe complex coated with O-phosphorylethanolamine (ZnSe-PEA), both with and without thiol DAB dendrimer generation 5 (S-DAB G(5)), were analyzed using a combination of asymmetric (log-normal) and symmetric (Gaussian) models. The method applied for the deconvolution of fluorescence spectra has proven to be very sensitive for observing the stability of the ZnSe-PEA complex after binding with S-DAB. The ZnSe-PEA emission spectrum contains two components. The positions of the emission maxima of these two components are not significantly affected by the presence of S-DAB G(5) in the complex, which revealed the presence of a stable complex at a pH of 7. By applying the spectral deconvolution method, strong evidence was obtained that suggested that the ZnSe-PEA complex is stable after complexation with S-DAB G5. | en |
dc.publisher | Elsevier Science Bv, Amsterdam | |
dc.relation | FCT (Lisbon, Portugal)Portuguese Foundation for Science and Technology [PTDC/QUI/71001/2006] | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/173017/RS// | |
dc.relation | Spanish Ministerio de Ciencia e InnovacionInstituto de Salud Carlos IIISpanish Government [CTQ2009-12332-C02-01] | |
dc.rights | restrictedAccess | |
dc.source | Talanta | |
dc.subject | ZnSe Quantum dots | en |
dc.subject | O-phosphorylethanolamine | en |
dc.subject | Non-linear fitting | en |
dc.subject | Log-normal model | en |
dc.subject | Dendrimers | en |
dc.title | Component analysis of fluorescence spectra of thiol DAB dendrimer/ZnSe-PEA nanoparticles | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.epage | 271 | |
dc.citation.other | 105: 267-271 | |
dc.citation.rank | M21 | |
dc.citation.spage | 267 | |
dc.citation.volume | 105 | |
dc.identifier.doi | 10.1016/j.talanta.2012.09.008 | |
dc.identifier.pmid | 23598018 | |
dc.identifier.scopus | 2-s2.0-84897658303 | |
dc.identifier.wos | 000319088500040 | |
dc.type.version | publishedVersion |