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ا.د/ سيف الدين نصر ابراهيم عياد، أستاذ بقسم: الكيمياء، بكلية: العلوم

أحدث أبحاثى
* Antiproliferative effects of triterpenoidal derivatives, obtained from the marine sponge Siphonochalina sp., on human hepatic and colorectal cancer cells

الأبحاث العلمية

New cytotoxic cyclic peroxide acids from Plakortis sp. marine sponge
ARKIVOC
Thomas R Hoye, Walied M Alarif, Salim S Basaif, Mohamed Abo-Elkarm, Mark T Hamann, Amir E Wahba, Seif-Eldin N Ayyad
New cytotoxic isoprenoid derivatives from the Red Sea soft coral Sarcophyton glaucum
Natural product research
Ahmed Abdel-Lateff, Walied M Alarif, Seif-Eldin N Ayyad, Sultan S Al-Lihaibi, Salim A Basaif
Rare pyrane-based cembranoids from the Red Sea soft coral Sarcophyton trocheliophorum as potential antimicrobial–antitumor agents
Medicinal Chemistry Research
Khalid O Al-Footy, Walied M Alarif, Fatma Asiri, Magda M Aly, Seif-Eldin N Ayyad
Differential cytotoxic activity of the petroleum ether extract and its furanosesquiterpenoid constituents from Commiphora molmol resin
Zeitschrift für Naturforschung C
Seif-Eldin N Ayyad, Thomas R Hoye, Walied M Alarif, Sana’a M Al Ahmadi, Salim A Basaif, Mohamed A Ghandourah, Farid A Badria
Potent Antifouling Metabolites from Red Sea Organisms
Asian Journal of Chemistry
Sultan S Al-Lihaibi, Ahmed Abdel-Lateff, Walied M Alarif, Yasuyuki Nogata, Seif-Eldin N Ayyad, Tatsufumi Okino
Two New Cytotoxic C-29 Steroids from the Red Sea Brown Alga Cystoseira trinodis
Chemistry of Natural Compounds
WM Alarif, SA Basaif, FA Badria, SE N Ayyadd
The role of new eudesmane-type sesquiterpenoid and known eudesmane derivatives from the red alga Laurencia obtusa as potential antifungal–antitumour agents
Natural product research
Walied M Alarif, Khalid O Al-Footy, Muhammad Sulaiman Zubair, Mohamed Halid PH, Mohamed A Ghandourah, Salim A Basaif, Sultan S Al-Lihaibi, Seif-Eldin N Ayyad, Farid A Badria
A review of steroids from Sarcophyton species
Natural product research
Muhammad Sulaiman Zubair, Khalid O Al-Footy, Seif-Eldin N Ayyad, Sultan S Al-Lihaibi, Walied M Alarif
Antiproliferative effects of cembranoid derivatives obtained from Red Sea soft coral Sarcophyton glaucum on human colorectal cancer cell lines
Advances in Modern Oncology Research
Seif-Eldin N Ayyad, Ahmed Abdel-Lateff, Khalid O Alfooty, Hager Alorfi, Tamer M Abdelghany, Ashraf NE Hamed
Two new polyacetylene derivatives from the Red Sea sponge Xestospongia sp.
Zeitschrift für Naturforschung C
Seif-Eldin N Ayyad, Dina F Katoua, Walied M Alarif, Tariq R Sobahi, Magda M Aly, Lamiaa A Shaala, Mohamed A Ghandourah
Cytotoxic scalarane-type sesterterpenes from the Saudi Red Sea sponge Hyrtios erectus
Journal of Asian natural products research
Walied M Alarif, Sultan S Al-Lihaibi, Mohamed A Ghandourah, Mohamed I Orif, Salim A Basaif, Seif-Eldin N Ayyad
Two new terpenoidal derivatives: a himachalene-type sesquiterpene and 13, 14-secosteroid from the soft coral Litophyton arboreum
Medicinal Chemistry Research
Mohamed A Ghandourah, Walied M Alarif, Ahmed Abdel-Lateff, Sultan S Al-Lihaibi, Seif-Eldin N Ayyad, Salim A Basaif, Farid A Badria
Antiproliferative effects of triterpenoidal derivatives, obtained from the marine sponge Siphonochalina sp., on human hepatic and colorectal cancer cells
Zeitschrift für Naturforschung C
Ahmed Abdel-Lateff, Ahmed M Al-Abd, Abdulrahman M Alahdal, Walied M Alarif, Seif-Eldin N Ayyad, Sultan S Al-Lihaibi, Mohamed E Hegazy, Ameen Al Mohammadi, Tamer M Abdelghany, Ashraf B Abdel-Naim, Mohamed AA Moustafa, Zainy M Banjer, Ahmad S Azhar
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