Zobrazeno 1 - 10
of 297
pro vyhledávání: '"Purwantiningsih"'
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 27, Iss 6, Pp 271-277 (2024)
The bromination of eugenol using molecular bromine (Br2) has been widely reported. However, the outcomes have been inconsistent, and as a result, the specific steps of the bromination process have not been definitively established. This research aims
Externí odkaz:
https://doaj.org/article/4e68d894a6eb4894b4f1f0577a4a44dd
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 9, Iss , Pp 100571- (2024)
Petroleum fuel is the primary source of energy today. Its use often causes environmental problems, one of them SOx gas emissions. Palm fatty acid distillate (PFAD) is a by-product of crude palm oil refining and has great promise to be developed as a
Externí odkaz:
https://doaj.org/article/d308cd59ed5c474bbd715dd5f11806e7
Publikováno v:
South African Journal of Chemical Engineering, Vol 45, Iss , Pp 328-338 (2023)
Natural zeolite (NZ) from desilication and activation was prepared to support the Ni catalyst. The catalyst was utilized for the hydrodeoxygenation (HDO) of the palm fatty acid distillate (PFAD) into green diesel. Desilication using sodium hydroxide
Externí odkaz:
https://doaj.org/article/6f1b22667ab647968dac7dd6ea023616
Autor:
Auliya Ilmiawati, Melinia Falestin, Akhiruddin Maddu, Luthfan Irfana, Purwantiningsih Sugita, Budi Arifin
Publikováno v:
Indonesian Journal of Chemistry, Vol 23, Iss 3, Pp 594-608 (2023)
Sansevieria trifasciata (mother-in-law's tongue), an ornamental plant widely found in Indonesia, can absorb electromagnetic radiation in various electronic devices. This study aims to find the best S. trifasciata extract as an electromagnetic and the
Externí odkaz:
https://doaj.org/article/810a86aa8cc24bdc9cb09e439262fb6a
Publikováno v:
Jurnal Riset Kimia, Vol 14, Iss 1, Pp 25-34 (2023)
The manufacture of vibration damping material from natural rubber (NR) required an increase in dynamic properties, thermal stability, and resistance to heat. Using the Carbon Black N990 as a filler in NR vulcanizates can potentially increase on these
Externí odkaz:
https://doaj.org/article/b63249a581ca4466b04b6b031cbb82b2
Publikováno v:
Indonesian Journal of Chemical Research, Vol 11, Iss 2 (2023)
Antioxidants can prevent reactive oxygen-associated diseases, which trigger carcinogenesis, cardiovascular disease, and premature aging. India and Africa have mostly practiced sausage trees (Kigelia africana) as traditional medicine, whereas Indonesi
Externí odkaz:
https://doaj.org/article/b3a2649cac2b40e79d4cce4daed31bbe
Publikováno v:
Songklanakarin Journal of Science and Technology (SJST), Vol 45, Iss 1, Pp 104-112 (2023)
It is well-recognized that the sulfur to accelerator (S/A) ratio greatly influences the nature of rubber vulcanizates. Viscoelasticity, vibration damping, and thermal stability are important properties of rubber vulcanizates used in vibration isola
Externí odkaz:
https://doaj.org/article/537fc1e0b1aa4f2ba9c8594c4fefcf8f
Publikováno v:
South African Journal of Chemical Engineering, Vol 40, Iss , Pp 80-86 (2022)
Numerous uses of silica nanoparticles include medication delivery, lightweight aggregates, and energy storage. This work synthesized SiO2NPs from rice husk (RH) by a sol-gel extraction method. Fourier transform infrared (FTIR), Raman spectroscopy,
Externí odkaz:
https://doaj.org/article/3a71ed8bbaaf454b86813a530482e728
Publikováno v:
Journal of Food and Pharmaceutical Sciences, Pp 481-486 (2021)
Compartmental modeling analysis was used to understand the transport mechanism of drugs in biological systems by computation presented as intercompartmental flows or material. This study was aimed to implement compartmental modeling analysis for in v
Externí odkaz:
https://doaj.org/article/301f8822b88343c59b35f23c3bb2520f
Autor:
Sekar Ayu Pawestri, Akhmad Kharis Nugroho, Endang Lukitaningsih, Purwantiningsih Purwantiningsih
Publikováno v:
Indonesian Journal of Chemistry, Vol 21, Iss 5, Pp 1180-1186 (2021)
Pharmacokinetics studies of domperidone generally analyze plasma matrix samples. The present work aimed to develop and validate a rapid and simple reversed phase-HPLC method for quantifying domperidone in plasma matrices. The chromatographic method i
Externí odkaz:
https://doaj.org/article/2389c520e6f04a299f8a3bf9d0519868