Zobrazeno 1 - 10
of 194
pro vyhledávání: '"Nuryono Nuryono"'
Publikováno v:
Indonesian Journal of Chemistry, Vol 24, Iss 2, Pp 444-458 (2024)
Glycidyl-trimethylammonium chloride (GTMAC) containing quaternary ammonium (QA) groups is commonly used as a base catalyst for any organic reaction. This research prepared a novel composite of GTMAC attached to chitosan-coated magnetic material (MM/C
Externí odkaz:
https://doaj.org/article/4998092f974f40b983bf9d929cc2452a
Autor:
Dewi Agustiningsih, Eko Sri Kunarti, Nuryono Nuryono, Sri Juari Santosa, Muhammad Idham Darussalam Mardjan, Yuichi Kamiya, Ryoichi Otomo
Publikováno v:
Heliyon, Vol 10, Iss 14, Pp e34614- (2024)
Kumada cross-coupling reaction is useful for producing biphenyls, where nickel and copper have been widely investigated as catalysts but mainly homogeneous ones. In this study, we investigated ultrasound-assisted-Kumada cross-coupling reaction over t
Externí odkaz:
https://doaj.org/article/4d97bca9a8a8410f8e564bfc19ea6d25
Autor:
Mariyam Mariyam, Siti Sunarintyas, Leny Yuliatun, Dyah Irnawati, Adhi Dwi Hatmanto, Nuryono Nuryono
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 9, Iss , Pp 100749- (2024)
As one of the essential materials in dentistry, mineral trioxide aggregate (MTA) has been extensively used for root fracture repair, apexification, and root filling material due to its good sealing ability and biocompatibility. However, poor mechanic
Externí odkaz:
https://doaj.org/article/69975478f5204da08f0e58b2cb182e7f
Publikováno v:
Indonesian Journal of Chemistry, Vol 23, Iss 5, Pp 1361-1374 (2023)
SiO2-TiO2@propylamine-Ni(II) as the catalyst for the benzyl alcohol oxidation has been synthesized by utilizing rice husk ash as the SiO2 source. This research was started by extracting SiO2 from rice husk ash and continued by synthesizing the SiO2-T
Externí odkaz:
https://doaj.org/article/572d672fe9564b2f84ba9e21b220530d
Publikováno v:
Indonesian Journal of Chemistry, Vol 23, Iss 3, Pp 692-701 (2023)
The physical and antibacterial properties of mineral trioxide aggregate (MTA) have been improved by adding copper nanoparticles (CuNP). The CuNP colloid was synthesized by reacting CuCl2·2H2O and NaBH4 as the reducing agent using C6H8O6 as the cappi
Externí odkaz:
https://doaj.org/article/e6b3eb0a8d344e388b6b3eb050e00680
Publikováno v:
Journal of Aceh Physics Society, Vol 12, Iss 1, Pp 27-31 (2023)
Abstrak. Penelitian ini bertujuan untuk membuat kalsium karbonat terendapkan atau precipitated calcium carbonate (PCC) dari cangkang kerang mutiara melalui pelarutan dengan larutan HNO3, karbonasi dengan karbondioksida, dan sonikasi. Cangkang kerang
Externí odkaz:
https://doaj.org/article/e1f16f0a72c3494f955261b25f011526
Publikováno v:
Journal of Aceh Physics Society, Vol 11, Iss 4, Pp 96-100 (2022)
Abstrak. Penelitian ini bertujuan untuk mengekstraksi dan memunikan silika dari abu sekam padi (ASP) dan melihat karakteristik silika yang dihasilkan apabila diberi perlakuan sonikasi dan refluks. Metode yang digunakan dalam penelitian ini adalah sol
Externí odkaz:
https://doaj.org/article/62127078407147e69fd2a26946472e5c
Publikováno v:
Indonesian Journal of Chemistry, Vol 22, Iss 6, Pp 1651-1662 (2022)
In this research, the effect of strontium oxide (SrO) and hydroxyapatite (HA) on the properties of mineral trioxide aggregate (MTA) have been studied. MTA contained 20% SiO2, 60% CaO, and 2% Al2O3. Bi2O3 and SrO have been added with 18% (w/w) total p
Externí odkaz:
https://doaj.org/article/9f0d049312da468a8a79faaa07bf3021
Autor:
Annisa Afra Martha, Defia Indah Permatasari, Elma Retna Dewi, Nikho Asyoka Wijaya, Eko Sri Kunarti, Bambang Rusdiarso, Nuryono Nuryono
Publikováno v:
Indonesian Journal of Chemistry, Vol 22, Iss 3, Pp 620-629 (2022)
In this research, silver nanoparticles (AgNP) impregnated on natural magnetic material/chitosan composite (NMP/Chi) have been conducted with different AgNP concentrations (0.5, 1.0, 1.5 mM). Their antibacterial activity was examined against Escherich
Externí odkaz:
https://doaj.org/article/d1025b18172544cc8c6ef097979ba192
Publikováno v:
Indonesian Journal of Chemistry, Vol 22, Iss 1, Pp 157-170 (2021)
Silica functionalized with sulfonic acid catalyst (SiO2−SO3H) was synthesized through a one-pot method and evaluated as the catalyst material for esterification of levulinic acid in an excess amount of ethanol. Sodium silicate solution was used as
Externí odkaz:
https://doaj.org/article/41915d307c75496098417de7fd99ed6c