BF, Dept. of Food Science and Technology, Lj. (BFZIV)
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Effects of hydrophobic gold nanoparticles on structure and fluidity of SOPC lipid membranes [Elektronski vir]Budime Santhosh, Poornima ...Gold nanoparticles (AuNPs) are promising candidates in various biomedical applications such as sensors, imaging, and cancer therapy. Understanding the influence of AuNPs on lipid membranes is ... important to assure their safety in the biological environment and to improve their scope in nanomedicine. In this regard, the present study aimed to analyze the effects of different concentrations (0.5, 1, and 2 wt.%) of dodecanethiol functionalized hydrophobic AuNPs on the structure and fluidity of zwitterionic 1-stearoyl-2-oleoyl-sn-glycerol-3-phosphocholine (SOPC) lipid bilayer membranes using Fourier-transform infrared (FTIR) spectroscopy and fluorescent spectroscopy. The size of AuNPs was found to be 2.2 ± 1.1 nm using transmission electron microscopy. FTIR results have shown that the AuNPs induced a slight shift in methylene stretching bands, while the band positions of carbonyl and phosphate group stretching were unaffected. Temperature-dependent fluorescent anisotropy measurements showed that the incorporation of AuNPs up to 2 wt.% did not affect the lipid order in membranes. Overall, these results indicate that the hydrophobic AuNPs in the studied concentration did not cause any significant alterations in the structure and membrane fluidity, which suggests the suitability of these particles to form liposome–AuNP hybrids for diverse biomedical applications including drug delivery and therapy.Source: International journal of molecular sciences [Elektronski vir]. - ISSN 1422-0067 (Vol. 24, iss. 12, [article no.] 10226, 2023, str. 1-12)Type of material - e-article ; adult, seriousPublish date - 2023Language - englishCOBISS.SI-ID - 155936515
Author
Budime Santhosh, Poornima |
Tenev, Tihomir |
Šturm, Luka |
Poklar Ulrih, Nataša |
Lyubomirova Genova, Julia
Topics
nanomedicina |
nanodelci zlata |
dostavni sistemi |
lipidne membrane |
fluidnost membran |
gold nanoparticles |
phospholipids |
biomedical applications |
membrane fluidity |
infrared spectroscopy
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Database name | Field | Year |
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Budime Santhosh, Poornima | ![]() |
Tenev, Tihomir | ![]() |
Šturm, Luka | 51227 |
Poklar Ulrih, Nataša | 10873 |
Lyubomirova Genova, Julia | ![]() |
Source: Personal bibliographies
and: SICRIS
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