Zobrazeno 1 - 10
of 80
pro vyhledávání: '"Yehezkiel Steven Kurniawan"'
Autor:
Yehezkiel Steven Kurniawan, Ervan Yudha, Gerry Nugraha, Nela Fatmasari, Harno Dwi Pranowo, Jumina Jumina, Eti Nurwening Sholikhah
Publikováno v:
Indonesian Journal of Chemistry, Vol 24, Iss 1, Pp 250-266 (2024)
Epidermal growth factor receptor (EGFR) is found to be overexpressed in cancer cells as it controls angiogenesis, cell signaling, and proliferation mechanisms. Therefore, EGFR has been known as a common target for the initial screening of new antican
Externí odkaz:
https://doaj.org/article/9d00b924f69b4ad0ad45aefa188664df
Autor:
Siti Astika Nisa, Jumina Jumina, Muhammad Idham Darussalam Mardjan, Yehezkiel Steven Kurniawan
Publikováno v:
Molekul, Vol 18, Iss 3, Pp 404-413 (2023)
This research involved the synthesis, antimalarial assay and molecular docking of novel nitrophenylcalix[4]-2-methylresorcinarene derivatives. Calix[4]-2-methylresorcinarene derivatives, i.e., 2N, 3N and 4N, were synthesized in a one-step reaction th
Externí odkaz:
https://doaj.org/article/b9df531eb77243b39a968ecef3ed494a
Autor:
Indriana Kartini, Tutik Dwi Wahyuningsih, Adhi Dwi Hatmanto, Vina Aida Roza, Yehezkiel Steven Kurniawan
Publikováno v:
Indonesian Journal of Chemistry, Vol 23, Iss 5, Pp 1248-1260 (2023)
The usage of antiradical agents is pivotal for suppressing the negative effects of free radicals on human health. Curcumin, a well-known natural antiradical agent, suffers from its low stability and high price, thus, limiting its potential in real ap
Externí odkaz:
https://doaj.org/article/3491fb82ea5440f5b770b77efd1b83b1
Autor:
Rizky Riyami Putri, Harno Dwi Pranowo, Yehezkiel Steven Kurniawan, Hana Anisa Fatimi, Jumina Jumina
Publikováno v:
Indonesian Journal of Chemistry, Vol 23, Iss 4, Pp 1032-1041 (2023)
Malaria is an endemic disease in tropical countries, including Indonesia, with a high annual mortality rate. Because of that, serious attention shall be given to find new antimalarial agents that are highly active for medical treatment. In this work,
Externí odkaz:
https://doaj.org/article/055a2f0c860244dab7d069171738ee6d
Autor:
Jumina Jumina, Yehezkiel Steven Kurniawan, Ali Bahri Lubis, Eleonora Indira Larasati, Bambang Purwono, Sugeng Triono
Publikováno v:
Heliyon, Vol 9, Iss 5, Pp e16100- (2023)
Recently, biodiesel production from palm oils has been thoroughly investigated to substitute crude oil due to its scarcity. However, the biodiesel production process is time-consuming due to its slow kinetics; thus, concentrated sulfuric acid has bee
Externí odkaz:
https://doaj.org/article/88451452cecb4da8908b7d50d2b3ada2
Autor:
Dwi Rahmasari Fatmawati, Danny Nur Wahyu Hidayat, Diah Kartika Sari, Rizky Riyami Putri, Jumina Jumina, Yehezkiel Steven Kurniawan
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 25, Iss 3, Pp 123-129 (2022)
Cancer therapy through conventional chemotherapy has been widely applied; however, one of the main disadvantages of chemotherapy is the non-selective targeting of cancer cells which causes various adverse side effects. The development of drug deliver
Externí odkaz:
https://doaj.org/article/176cda5bf67f440f9a488075f1074129
Autor:
Nela Fatmasari, Yehezkiel Steven Kurniawan, Jumina Jumina, Chairil Anwar, Yoga Priastomo, Harno Dwi Pranowo, Abdul Karim Zulkarnain, Eti Nurwening Sholikhah
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-8 (2022)
Abstract In the present work, three hydroxyxanthones were synthesized in 11.15–33.42% yield from 2,6-dihydroxybenzoic acid as the starting material. The chemical structures of prepared hydroxyxanthones have been elucidated by using spectroscopic te
Externí odkaz:
https://doaj.org/article/594f1974bfd7413b814c971fc0522d94
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 16, Iss 2, Pp 310-319 (2021)
As a benchmark photocatalyst, P25 titanium dioxide (TiO2) nanomaterial has been widely reported for its remarkable photocatalytic activity under ultraviolet (UV) irradiation. However, approaches to further improve the photocatalytic activity of the P
Externí odkaz:
https://doaj.org/article/aa82582565364f76971e4517c06795c5
Autor:
Jumina Jumina, Yehezkiel Steven Kurniawan, Dwi Siswanta, Bambang Purwono, Abdul Karim Zulkarnain, Agustinus Winarno, Joko Waluyo, Johan Syafri Mahathir Ahmad
Publikováno v:
Indonesian Journal of Chemistry, Vol 21, Iss 4, Pp 1023-1038 (2021)
Crude oil is an indispensable energy feedstock for daily activities, although some amounts of metallic porphyrins components with undesired characteristics have been identified. These constituents are assumed to originate from the geochemical process
Externí odkaz:
https://doaj.org/article/81ff6816e98e4d728645f540fa578b13
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 16, Iss 1, Pp 196-204 (2021)
Zinc titanate (Zn2Ti3O8) is a bimetal oxide material that is especially attractive as a photocatalyst. In the preparation of the Zn2Ti3O8, the calcination temperature is a crucial parameter. Hence, in the present work, we aimed to synthesize the Zn2T
Externí odkaz:
https://doaj.org/article/b1e9b27e229d442d91226a065089371d