ד"ר אושרת אונטמן

Dr. Oshrat Ontman

מוסד עיקרי

המכללה האקדמית להנדסה על שם סמי שמעון

Shamoon College of Engineering

דוא״ל

oshrale@sce.ac.il

דיסציפלינות ראשיותMain Disciplines

Biochemistry, Biotechnology, Chemistry, Marine Science

דיסציפלינות משניותSecondary Disciplines

Green Chemistry

תחומי מחקר / מילות מפתחKeywords

Glycobiology, Renewable Polysaccharide

פרסומים ויצירות עיקריים / עדכנייםMain / Recent Publications

Levy-Ontman, O., Yanay, C., Paz-Tal, O. et al. Red Algae Sulfur-Based Polysaccharides as Bioadsorbents for Europium Removal from Aqueous Solutions. J Polym Environ (2023).
Levy-Ontman, O.; Abu-Galiyun, E.; Huleihel, M. Studying the Relationship between the Antiviral Activity and the Structure of ἰ-Carrageenan Using Ultrasonication. Int. J. Mol. Sci. 2023, 24, 14200.
Levy-Ontman, O.; Yanay, C.; Alfi, Y.; Paz-Tal, O.; Wolfson, A. Selective Sorption of Heavy Metals by Renewable Polysaccharides. Polymers 2023, 15, 4457.
Oshrat Levy-Ontman, Chanan Yanay, Ofra Paz-Tal, Adi Wolfson, Iota-carrageenan as sustainable bio-adsorbent for the removal of europium ions from aqueous solutions, Materials Today Communications, Volume 32, 2022
Wolfson, A., Stamker, E., Levy-Ontman, O. Recyclable Pd-based polysaccharide catalyst for aerobic oxidation of benzyl alcohol, J. Appl. Polym. Sci. 2022, 139( 3), e51517.
Levy-Ontman, O.; Stamker, E.; Wolfson, A. The Effect of Alcohol on Palladium Nanoparticles in i-Pd(OAc)2(TPPTS)2 for Aerobic Oxidation of Benzyl Alcohol. Metals 2021, 11, 1443.
Levy-Ontman, O.; Stamker, E.; Mor, V.; Wolfson, A. Pd-Based Polysaccharide Hydrogels as Heterogeneous Catalysts for Oxidation of Aromatic Alcohols. Organics 2021, 2, 50-56.
Stamker, E.; Levy-Ontman, O.; Wolfson, A. Green Procedure for Aerobic Oxidation of Benzylic Alcohols with Palladium Supported on Iota-Carrageenan in Ethanol. Polymers 2021, 13, 498.
Adi Wolfson, Oshrat Levy-Ontman, Development and application of palladium nanoparticles on renewable polysaccharides as catalysts for the Suzuki cross-coupling of halobenzenes and phenylboronic acids, Molecular Catalysis, Volume 493, 2020,
Levy-Ontman, O., Blum, D., Golden, R. et al. Palladium Based-Polysaccharide Hydrogels as Catalysts in the Suzuki Cross-Coupling Reaction. J Inorg Organomet Polym 30, 622–636 (2020).
Sivan Leviev, Adi Wolfson, Oshrat Levy-Ontman, Novel iota carrageenan-based RhCl3 as an efficient and recyclable catalyst in Suzuki cross coupling, Molecular Catalysis, Volume 486, 2020
Wolfson, A.; Levy-Ontman, O. Recent Developments in the Immobilization of Palladium Complexes on Renewable Polysaccharides for Suzuki–Miyaura Cross-Coupling of Halobenzenes and Phenylboronic Acids. Catalysts 2020, 10, 136.
Eiman Abu-Galiyun, Mahmoud Huleihel & Oshrat Levy-Ontman (2019) Antiviral bioactivity of renewable polysaccharides against Varicella Zoster, Cell Cycle, 18:24, 3540-3549,
Levy-Ontman, O.; Biton, S.; Shlomov, B.; Wolfson, A. Renewable Polysaccharides as Supports for Palladium Phosphine Catalysts. Polymers 2018, 10, 659.
Rachel Hamias, Talya Wolak, Mahmoud Huleihel, Esther Paran, Oshrat Levy-Ontman, Red alga polysaccharides attenuate angiotensin II-induced inflammation in coronary endothelial cells, Biochemical and Biophysical Research Communications, Volume 500, Issue 4, 2018, Pages 944-951