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Pregled bibliografske jedinice broj: 370762

An ESR characterization of micelles and vesicles formed in aqueous decanoic acid/sodium decanoate systems using different spin labels

Dejanović, Branka; Mirosavljević, Krunoslav; Noethig-Laslo, Vesna; Pečar, Slavko; Šentjurc, Marjeta; Walde, Peter
An ESR characterization of micelles and vesicles formed in aqueous decanoic acid/sodium decanoate systems using different spin labels // Chemistry and physics of lipids, 156 (2008), 1-2; 17-25 doi:10.1016/j.chemphyslip.2008.08.003 (međunarodna recenzija, članak, znanstveni)

CROSBI ID: 370762 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
An ESR characterization of micelles and vesicles formed in aqueous decanoic acid/sodium decanoate systems using different spin labels

Autori
Dejanović, Branka ; Mirosavljević, Krunoslav ; Noethig-Laslo, Vesna ; Pečar, Slavko ; Šentjurc, Marjeta ; Walde, Peter

Izvornik
Chemistry and physics of lipids (0009-3084) 156 (2008), 1-2; 17-25

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
ESR spectroscopy ; spin labeling ; decanoic acid ; sodium decanoate ; micelles ; vesicles

Sažetak
Aqueous decanoic acid/sodium decanaote systems were studied as a function of pH and concentration, up to 0.3M decanoic acid/sodium decanoate, by electron spin resonance (ESR) spectroscopy using three different amphiphilic spin labels. The distribution of the spin labels between vesicles and micelles as well as their dynamic properties were determined by quantitative analysis of the ESR spectra using two novel simulation software packages. Rotational correlation time of the labels in micelles was found to increase with decreasing pH, with substantial increase in the region where vesicles were formed (7.8 < pH< 8). In the interval 6.5 < pH< 7.8, the coexistence of vesicles and micelles was observed. Presence of vesicles was confirmed by the captured aqueous volume, determined independently with a hydrophilic spin label. The ESR measurements indicate that decanoic acid vesicle formation observed as the concentration is increased between 0.01M and 0.03M at pH 7.0 most likely occurs via the formation of micelles which remain in coexistence with the vesicles, even if the concentration is well above these values.

Izvorni jezik
Engleski

Znanstvena područja
Kemija



POVEZANOST RADA

Projekti:
098-0982915-2939 - Molekulska struktura i dinamika sustava s paramagnetskim česticama (Ilakovac-Kveder, Marina, MZOS ) ( CroRIS)

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Branka Bilić (autor)

Avatar Url Krunoslav Mirosavljević (autor)

Avatar Url Vesna Nothig-Laslo (autor)

Poveznice na cjeloviti tekst rada:

doi www.sciencedirect.com

Citiraj ovu publikaciju:

Dejanović, Branka; Mirosavljević, Krunoslav; Noethig-Laslo, Vesna; Pečar, Slavko; Šentjurc, Marjeta; Walde, Peter
An ESR characterization of micelles and vesicles formed in aqueous decanoic acid/sodium decanoate systems using different spin labels // Chemistry and physics of lipids, 156 (2008), 1-2; 17-25 doi:10.1016/j.chemphyslip.2008.08.003 (međunarodna recenzija, članak, znanstveni)
Dejanović, B., Mirosavljević, K., Noethig-Laslo, V., Pečar, S., Šentjurc, M. & Walde, P. (2008) An ESR characterization of micelles and vesicles formed in aqueous decanoic acid/sodium decanoate systems using different spin labels. Chemistry and physics of lipids, 156 (1-2), 17-25 doi:10.1016/j.chemphyslip.2008.08.003.
@article{article, author = {Dejanovi\'{c}, Branka and Mirosavljevi\'{c}, Krunoslav and Noethig-Laslo, Vesna and Pe\v{c}ar, Slavko and \v{S}entjurc, Marjeta and Walde, Peter}, year = {2008}, pages = {17-25}, DOI = {10.1016/j.chemphyslip.2008.08.003}, keywords = {ESR spectroscopy, spin labeling, decanoic acid, sodium decanoate, micelles, vesicles}, journal = {Chemistry and physics of lipids}, doi = {10.1016/j.chemphyslip.2008.08.003}, volume = {156}, number = {1-2}, issn = {0009-3084}, title = {An ESR characterization of micelles and vesicles formed in aqueous decanoic acid/sodium decanoate systems using different spin labels}, keyword = {ESR spectroscopy, spin labeling, decanoic acid, sodium decanoate, micelles, vesicles} }
@article{article, author = {Dejanovi\'{c}, Branka and Mirosavljevi\'{c}, Krunoslav and Noethig-Laslo, Vesna and Pe\v{c}ar, Slavko and \v{S}entjurc, Marjeta and Walde, Peter}, year = {2008}, pages = {17-25}, DOI = {10.1016/j.chemphyslip.2008.08.003}, keywords = {ESR spectroscopy, spin labeling, decanoic acid, sodium decanoate, micelles, vesicles}, journal = {Chemistry and physics of lipids}, doi = {10.1016/j.chemphyslip.2008.08.003}, volume = {156}, number = {1-2}, issn = {0009-3084}, title = {An ESR characterization of micelles and vesicles formed in aqueous decanoic acid/sodium decanoate systems using different spin labels}, keyword = {ESR spectroscopy, spin labeling, decanoic acid, sodium decanoate, micelles, vesicles} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE

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