Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Hashim A. Hassanean"'
Autor:
Sameh S. Elhady, Eman S. Habib, Reda F. A. Abdelhameed, Marwa S. Goda, Reem M. Hazem, Eman T. Mehanna, Mohamed A. Helal, Khaled M. Hosny, Reem M. Diri, Hashim A. Hassanean, Amany K. Ibrahim, Enas E. Eltamany, Usama Ramadan Abdelmohsen, Safwat A. Ahmed
Publikováno v:
Marine Drugs, Vol 20, Iss 1, p 63 (2022)
Different classes of phytochemicals were previously isolated from the Red Sea algae Hypnea musciformis as sterols, ketosteroids, fatty acids, and terpenoids. Herein, we report the isolation of three fatty acids—docosanoic acid 4, hexadecenoic acid
Externí odkaz:
https://doaj.org/article/36065ef5943b47f5a09db56446380c64
Autor:
Enas E. Eltamany, Sameh S. Elhady, Marwa S. Goda, Omar M. Aly, Eman S. Habib, Amany K. Ibrahim, Hashim A. Hassanean, Usama Ramadan Abdelmohsen, Martin K. Safo, Safwat A. Ahmed
Publikováno v:
Metabolites, Vol 11, Iss 12, p 816 (2021)
Coronavirus disease 2019 (COVID-19) is the disease caused by the virus SARS-CoV-2 responsible for the ongoing pandemic which has claimed the lives of millions of people. This has prompted the scientific research community to act to find treatments ag
Externí odkaz:
https://doaj.org/article/85970e28f7ad4830bf4b8076268960c3
Autor:
Sameh S. Elhady, Reda F. A. Abdelhameed, Salwa H. Zekry, Amany K. Ibrahim, Eman S. Habib, Khaled M. Darwish, Reem M. Hazem, Khadijah A. Mohammad, Hashim A. Hassanean, Safwat A. Ahmed
Publikováno v:
Life, Vol 11, Iss 8, p 759 (2021)
Natural products play a remarkable role not only in the synthesis, design, and discovery of new drugs but also as the most prominent source of drugs and bioactive substances. Adding to the search for new sources of safe innovative antitumor drugs, he
Externí odkaz:
https://doaj.org/article/837fe14956d141f5a194450514f7c37c
Autor:
Enas E. Eltamany, Usama Ramadan Abdelmohsen, Dina M. Hal, Amany K. Ibrahim, Hashim A. Hassanean, Reda F. A. Abdelhameed, Tarek A. Temraz, Dina Hajjar, Arwa A. Makki, Omnia Magdy Hendawy, Asmaa M. AboulMagd, Khayrya A. Youssif, Gerhard Bringmann, Safwat A. Ahmed
Publikováno v:
Molecules, Vol 26, Iss 6, p 1555 (2021)
Chemical investigation of the methanolic extract of the Red Sea cucumber Holothuria spinifera led to the isolation of a new cerebroside, holospiniferoside (1), together with thymidine (2), methyl-α-d-glucopyranoside (3), a new triacylglycerol (4), a
Externí odkaz:
https://doaj.org/article/e7f487548aac4646be6380cf3617e4c8
Autor:
Sameh S. Elhady, Reda F. A. Abdelhameed, Mayada M. El-Ayouty, Amany K. Ibrahim, Eman S. Habib, Mohamed S. Elgawish, Hashim A. Hassanean, Martin K. Safo, Mohamed S. Nafie, Safwat A. Ahmed
Publikováno v:
Molecules, Vol 26, Iss 3, p 739 (2021)
In this study isolates from Thymelaea hirsuta, a wild plant from the Sinai Peninsula of Egypt, were identified and their selective cytotoxicity levels were evaluated. Phytochemical examination of the ethyl acetate (EtOAc) fraction of the methanolic (
Externí odkaz:
https://doaj.org/article/5bec857042104f9ca7140164f619b1a2
Autor:
Reda F. A. Abdelhameed, Enas E. Eltamany, Dina M. Hal, Amany K. Ibrahim, Asmaa M. AboulMagd, Tarfah Al-Warhi, Khayrya A. Youssif, Adel M. Abd El-kader, Hashim A. Hassanean, Shaimaa Fayez, Gerhard Bringmann, Safwat A. Ahmed, Usama Ramadan Abdelmohsen
Publikováno v:
Marine Drugs, Vol 18, Iss 8, p 405 (2020)
Bioactivity-guided fractionation of a methanolic extract of the Red Sea cucumber Holothuria spinifera and LC-HRESIMS-assisted dereplication resulted in the isolation of four compounds, three new cerebrosides, spiniferosides A (1), B (2), and C (3), a
Externí odkaz:
https://doaj.org/article/8c0bcfd1f2c940af92844a98af03be44
Autor:
Reda F. A. Abdelhameed, Eman S. Habib, Nermeen A. Eltahawy, Hashim A. Hassanean, Amany K. Ibrahim, Anber F. Mohammed, Shaimaa Fayez, Alaa M. Hayallah, Koji Yamada, Fathy A. Behery, Mohammad M. Al-Sanea, Sami I. Alzarea, Gerhard Bringmann, Safwat A. Ahmed, Usama Ramadan Abdelmohsen
Publikováno v:
Marine Drugs, Vol 18, Iss 5, p 241 (2020)
Bioactivity-guided isolation supported by LC-HRESIMS metabolic profiling led to the isolation of two new compounds, a ceramide, stylissamide A (1), and a cerebroside, stylissoside A (2), from the methanol extract of the Red Sea sponge Stylissa carter
Externí odkaz:
https://doaj.org/article/6690eb1efe3f4ce6b4c168648b4bacc3
Autor:
Sameh S. Elhady, Ahmed M. Al-Abd, Ali M. El-Halawany, Abdulrahman M. Alahdal, Hashim A. Hassanean, Safwat A. Ahmed
Publikováno v:
Marine Drugs, Vol 14, Iss 7, p 130 (2016)
Two new sesterterpenes analogs, namely, 12-acetoxy,16-epi-hyrtiolide (1) and 12β-acetoxy,16β-methoxy,20α-hydroxy-17-scalaren-19,20-olide (2), containing a scalarane-based framework along with seven previously reported scalarane-type sesterterpenes
Externí odkaz:
https://doaj.org/article/d7bcdfb4c1ab4ffea5454d3f8b2b4b9d
Autor:
Sameh S. Elhady, Ali M. El-Halawany, Abdulrahman M. Alahdal, Hashim A. Hassanean, Safwat A. Ahmed
Publikováno v:
Molecules, Vol 21, Iss 1, p 82 (2016)
Chemical investigation of the lipophilic fraction of Hyrtios erectus, a Red Sea sponge, yielded a new pentacyclic nitrogen-containing scalarane; 24-methoxypetrosaspongia C (1), together with the previously reported scalaranes sesterstatin 3 (2), 12-d
Externí odkaz:
https://doaj.org/article/e410b1a24f7843748e49410f2ac29efa
Autor:
Ali E. Raslan, Mohamed M. Radwan, Safwat A. Ahmed, Alaa M. Nafady, Ahmed M. Metwaly, Ibrahim H. Eissa, Melissa R. Jacob, Hashim A. Hassanean, Mahmoud A. ElSohly, Amira S. Wanas
Publikováno v:
Phytochemistry Letters. 51:132-139
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f5ad346a6703f5411f2222841cef5f8
https://doi.org/10.1016/j.phytol.2022.08.009
https://doi.org/10.1016/j.phytol.2022.08.009