Electrochemical, theoretical, and morphological studies of antioxidant fullerosteroids
Само за регистроване кориснике
2014
Аутори
Bjelaković, Mira S.Kop, Tatjana
Baošić, Rada
Zlatović, Mario
Zekić, Andrijana
Maslak, Veselin
Milić, Dragana
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Four fullerosteroidal conjugates, previously confirmed to express two- to threefold better antioxidant activity in vitro than C-60, were subjected to additional studies, including electrochemical, theoretical, and morphological examination. All tested compounds underwent reversible, diffusion-controlled reductions. A notable influence of the solvent properties on the reduction potential, the level of aggregation, and the lowest unoccupied molecular orbital (LUMO) energy was observed. Theoretical calculations indicated that the energy gain obtained by an intermediate formation, together with compounds' polarizability, polarity, and lipophilicity contributed to the radical quenching capacity. Very large supramolecular aggregates of all fullerosteroidal esters with no hierarchical arrangement were observed in precipitated samples, while solvent induced self-assembling led to round nanoplates, which further arranged to flower-shaped hierarchically ordered architectures or uniformly distrib...uted discoid particles. As in electrochemical studies, fine tuning of the aggregation level was achieved by the solvent.
Кључне речи:
Fullerenes / Antioxidant activity / Cyclic voltammetry / Hydrodynamic radius / Molecular modeling / Electron microscopyИзвор:
Monatshefte Fur Chemie, 2014, 145, 11, 1715-1725Издавач:
- Springer Wien, Wien
Финансирање / пројекти:
- Дизајн, синтеза и испитивање наномолекулских машина на бази фулерена (RS-MESTD-Basic Research (BR or ON)-172002)
- NATOs Public Diplomacy Division in the framework of Science for Peace project [SfP983638]
DOI: 10.1007/s00706-014-1287-5
ISSN: 0026-9247
WoS: 000343882400004
Scopus: 2-s2.0-84933058656
Колекције
Институција/група
Hemijski fakultet / Faculty of ChemistryTY - JOUR AU - Bjelaković, Mira S. AU - Kop, Tatjana AU - Baošić, Rada AU - Zlatović, Mario AU - Zekić, Andrijana AU - Maslak, Veselin AU - Milić, Dragana PY - 2014 UR - https://cherry.chem.bg.ac.rs/handle/123456789/1869 AB - Four fullerosteroidal conjugates, previously confirmed to express two- to threefold better antioxidant activity in vitro than C-60, were subjected to additional studies, including electrochemical, theoretical, and morphological examination. All tested compounds underwent reversible, diffusion-controlled reductions. A notable influence of the solvent properties on the reduction potential, the level of aggregation, and the lowest unoccupied molecular orbital (LUMO) energy was observed. Theoretical calculations indicated that the energy gain obtained by an intermediate formation, together with compounds' polarizability, polarity, and lipophilicity contributed to the radical quenching capacity. Very large supramolecular aggregates of all fullerosteroidal esters with no hierarchical arrangement were observed in precipitated samples, while solvent induced self-assembling led to round nanoplates, which further arranged to flower-shaped hierarchically ordered architectures or uniformly distributed discoid particles. As in electrochemical studies, fine tuning of the aggregation level was achieved by the solvent. PB - Springer Wien, Wien T2 - Monatshefte Fur Chemie T1 - Electrochemical, theoretical, and morphological studies of antioxidant fullerosteroids VL - 145 IS - 11 SP - 1715 EP - 1725 DO - 10.1007/s00706-014-1287-5 ER -
@article{ author = "Bjelaković, Mira S. and Kop, Tatjana and Baošić, Rada and Zlatović, Mario and Zekić, Andrijana and Maslak, Veselin and Milić, Dragana", year = "2014", abstract = "Four fullerosteroidal conjugates, previously confirmed to express two- to threefold better antioxidant activity in vitro than C-60, were subjected to additional studies, including electrochemical, theoretical, and morphological examination. All tested compounds underwent reversible, diffusion-controlled reductions. A notable influence of the solvent properties on the reduction potential, the level of aggregation, and the lowest unoccupied molecular orbital (LUMO) energy was observed. Theoretical calculations indicated that the energy gain obtained by an intermediate formation, together with compounds' polarizability, polarity, and lipophilicity contributed to the radical quenching capacity. Very large supramolecular aggregates of all fullerosteroidal esters with no hierarchical arrangement were observed in precipitated samples, while solvent induced self-assembling led to round nanoplates, which further arranged to flower-shaped hierarchically ordered architectures or uniformly distributed discoid particles. As in electrochemical studies, fine tuning of the aggregation level was achieved by the solvent.", publisher = "Springer Wien, Wien", journal = "Monatshefte Fur Chemie", title = "Electrochemical, theoretical, and morphological studies of antioxidant fullerosteroids", volume = "145", number = "11", pages = "1715-1725", doi = "10.1007/s00706-014-1287-5" }
Bjelaković, M. S., Kop, T., Baošić, R., Zlatović, M., Zekić, A., Maslak, V.,& Milić, D.. (2014). Electrochemical, theoretical, and morphological studies of antioxidant fullerosteroids. in Monatshefte Fur Chemie Springer Wien, Wien., 145(11), 1715-1725. https://doi.org/10.1007/s00706-014-1287-5
Bjelaković MS, Kop T, Baošić R, Zlatović M, Zekić A, Maslak V, Milić D. Electrochemical, theoretical, and morphological studies of antioxidant fullerosteroids. in Monatshefte Fur Chemie. 2014;145(11):1715-1725. doi:10.1007/s00706-014-1287-5 .
Bjelaković, Mira S., Kop, Tatjana, Baošić, Rada, Zlatović, Mario, Zekić, Andrijana, Maslak, Veselin, Milić, Dragana, "Electrochemical, theoretical, and morphological studies of antioxidant fullerosteroids" in Monatshefte Fur Chemie, 145, no. 11 (2014):1715-1725, https://doi.org/10.1007/s00706-014-1287-5 . .