Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Wahyudi Priyono Suwarso"'
Publikováno v:
Makara Seri Sains, Vol 16, Iss 1, Pp 51-57 (2012)
Seven peptide amphiphiles were successfully synthesized using solid phase peptide synthesis method. Peptide amphiphiles were characterized using matrix assisted laser desorption/ionization (MALDI). Atomic force microscopy (AFM) study showed that pept
Externí odkaz:
https://doaj.org/article/b0a630d7f50f4aeaaf6fd1578eaf20ab
Publikováno v:
Indonesian Journal of Chemistry, Vol 11, Iss 3, Pp 290-294 (2011)
Natural product, 2'-hydroxy-1'-(4-hydroxyl-5-methoxy-2-methyl-phenyl)-ethanon, (1), was isolated from the thalli lichen Usnea flexuosa Tayl. together with the known (-) - usnic acid (2). The structure of compounds 1 and 2 were determined by the spect
Externí odkaz:
https://doaj.org/article/89f8be0e452f4d9593cd3bb1acefe410
Publikováno v:
Makara Seri Sains, Vol 06, Iss 3, Pp 117-120 (2002)
An Application of heterogenous catalysis reaction for synthesis of synthetic vanillin (3-hydroxy-2-methoxybenzaldehyde) from eugenol (4-allyl-2-methoxyphenol) of clove oil. It has been already known, that heterogeneous catalysts have more advantages
Externí odkaz:
https://doaj.org/article/58d410b32ce44713a97a8a8eef42c22a
Publikováno v:
Makara Seri Sains, Vol 06, Iss 2, Pp 70-77 (2002)
Reimer-Tiemann reaction belongs to the group of the electrophylic substitution reaction (SE), and principally, this reaction consists of three steps reactions, namely: 1. formation of dichlorocarbene from chloroform by action of base (i.e. KOH), 2. r
Externí odkaz:
https://doaj.org/article/9b60ac16b6df40cfb5f8e208bfbe9fc2
Publikováno v:
Makara Seri Sains, Vol 06, Iss 2, Pp 90-98 (2002)
It has been carried out the modification of Sandmeyer modification reaction by in-situ generated formaldehyde. The in-situ generated formaldehyde has been performed via heterogeneous phase reaction between 6.40 mL (0.10 mol) CH2Cl2 as organic phase w
Externí odkaz:
https://doaj.org/article/eb5f40ba64fe4801b6c537e33b0d7db0
Publikováno v:
Makara Seri Sains, Vol 06, Iss 1, Pp 36-44 (2002)
Semi-synthesis of vanillin from eugenol can be divided into two step reactions namely, isomerization of eugenol intoisoeugenol, and cleavage oxidation of isomerization product into expected reaction product (vanillin). In this work isomerization of e
Externí odkaz:
https://doaj.org/article/f8f8f45240c244d998e2a4d1d6f55dc5
Autor:
Suyanto Suyanto, Wahyudi Priyono Suwarso, Soleh Kosela, Hery Suwito, Pratiwi Pudjiastuti, Sri Winiati, Nurdin Saidi
Publikováno v:
Indonesian Journal of Chemistry, Vol 6, Iss 1, Pp 85-87 (2010)
The isolation of 1,3,8- trihydroxy-2(1'-pentanol)-6-methoxy anthraquinone from acetone extract of lichen thallus of Ramalina javanica Nyl. was carried out. Its structure was determined based on spectroscopic evidences. Keywords: Ramalina javanica Ny
Externí odkaz:
https://doaj.org/article/330bd6b3ae934612a6ccd8e0a4a539ca
Autor:
PRASETYAWAN YUNIANTO, SYOFI ROSMALAWATI, INDRA RACHMAWATI, WAHYUDI PRIYONO SUWARSO, WAHONO SUMARYONO
Publikováno v:
Microbiology Indonesia, Vol 6, Iss 1 (2012)
Annonaceous acetogenin was extracted from Annona squamosa (Srikaya) seeds. It has cytotoxic activity against cancer cells and lower toxicity compared to other cancer drugs. Endophyte from Annonaceae is expected to have similar extracted metabolites t
Externí odkaz:
https://doaj.org/article/231436307c064987a85965fffb03af29
Publikováno v:
Jurnal Kimia Valensi, Vol 1, Iss 2 (2008)
Telah dilakukan sintesis Biodiesel dengan bahan dasar minyak biji Ketapang (Terminaliacatappa Linn.), dengan tujuan utama adalah untuk menurunkan viskositas atau kekentalanminyak nabati. Biodiesel tersebut berupa metil ester asam lemak penyusun trigl
Externí odkaz:
https://doaj.org/article/148a7d77d18a408e91383bc0eb76a8a8
Publikováno v:
Alchemy: Journal of Chemistry, Vol 5, Iss 3, Pp 78-84 (2018)
Peroxidase has been successfully extracted and partially purified from Brassica juncea L. Czern root with protein content and specific activity of 0.747 mg/mL and 0.244 U/mg, respectively. Then, it was applied as biocatalyst for green oxidative coupl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5057e579ad0256c2cc6890cc0bed2044
http://ejournal.uin-malang.ac.id/index.php/Kimia/article/view/3776
http://ejournal.uin-malang.ac.id/index.php/Kimia/article/view/3776