Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Muhamad Diki Permana"'
Autor:
Dian Ratna Suminar, Cinantya Zahrina Pribadi, Qonita Rahmah Fitriana, Eko Andrijanto, Muhamad Diki Permana, Diana Rakhmawaty Eddy, Iman Rahayu
Publikováno v:
Heliyon, Vol 10, Iss 18, Pp e37687- (2024)
Alkyl levulinate is a biomass-based chemical compound used as a fuel additive. This research aims to produce ethyl levulinate from levulinic acid and ethanol using esterification with the assistance of a heterogeneous sulfonated carbon catalyst. The
Externí odkaz:
https://doaj.org/article/33dd980b53f34d5ca657749ba54fdf19
Autor:
Devi Rahmawati, Muhamad Diki Permana, Diana Rakhmawaty Eddy, Norio Saito, Takahiro Takei, Suryana, Atiek Rostika Noviyanti, Iman Rahayu, Mohamed H. Helal, Zeinhom M. El-Bahy
Publikováno v:
Green Chemistry Letters and Reviews, Vol 17, Iss 1 (2024)
ABSTRACTTextile industry waste such as methylene blue can pose a serious threat to health and ecosystems. One solution to overcome this problem is to utilize photocatalytic technology using TiO2 semiconductors. This research aims to make green synthe
Externí odkaz:
https://doaj.org/article/792f368ad514436c9ee02ef30d81cfce
Autor:
M. Lutfi Firdaus, Rizki M. Okumura, Euis Nursaadah, Dewi Handayani, Afrizal Mayub, Lena Rahmidar, Muhamad Diki Permana, Annisa Luthfiah, Santhy Wyantuti, Diana R. Eddy, Yeni Wahyuni Hartati
Publikováno v:
Science and Technology Indonesia, Vol 8, Iss 4, Pp 660-665 (2023)
Vitamin C, also known as ascorbic acid, is a crucial nutrient involved in a number of enzymatic processes for tissue healing. Additionally serving as an antioxidant, ascorbic acid is crucial for keeping the immune system strong. It is essential to cr
Externí odkaz:
https://doaj.org/article/25026d40bd51402093f55223181c203f
Autor:
Firyal Aqillah, Muhamad Diki Permana, Diana Rakhmawaty Eddy, M. Lutfi Firdaus, Takehiro Takei, Iman Rahayu
Publikováno v:
Results in Chemistry, Vol 7, Iss , Pp 101418- (2024)
Heavy metals are the main pollutants in the environment because of their toxic effects on human health. One of the heavy metals in drinking water is copper ion (Cu2+). In this study, gold nanoparticles (AuNPs) were used to detect Cu2+ using a smartph
Externí odkaz:
https://doaj.org/article/27aec056612c4292b91a5d87ea7578e3
Autor:
Diana Rakhmawaty Eddy, Muhamad Diki Permana, Lintang Kumoro Sakti, Geometry Amal Nur Sheha, Solihudin, Sahrul Hidayat, Takahiro Takei, Nobuhiro Kumada, Iman Rahayu
Publikováno v:
Nanomaterials, Vol 13, Iss 4, p 704 (2023)
TiO2 exists naturally in three crystalline forms: Anatase, rutile, brookite, and TiO2 (B). These polymorphs exhibit different properties and consequently different photocatalytic performances. This paper aims to clarify the differences between titani
Externí odkaz:
https://doaj.org/article/f5a70dda574944dfbb14f54131df8b30
Autor:
Atiek Rostika Noviyanti, Efa Nur Asyiah, Muhamad Diki Permana, Dina Dwiyanti, Suryana, Diana Rakhmawaty Eddy
Publikováno v:
Crystals, Vol 12, Iss 11, p 1599 (2022)
Hydroxyapatite (HA) has been widely used in biomedical applications. HA is prepared from natural sources of eggshell. The obtained HA is composited with TiO2 using the hydrothermal method at a temperature of 230 °C. The structure and morphology of H
Externí odkaz:
https://doaj.org/article/c5af480ac7f048ee9f1ef3fa8ee93464
Autor:
Muhamad Diki Permana, Atiek Rostika Noviyanti, Putri Rizka Lestari, Nobuhiro Kumada, Diana Rakhmawaty Eddy, Iman Rahayu
Publikováno v:
ChemEngineering, Vol 6, Iss 5, p 69 (2022)
This study aims to synthesize Au/TiO2/Na2Ti6O13 composites to reduce the occurrence of recombination and increase photocatalytic activity in phenol degradation. Gold was used due to its high stability and strong surface plasmon resonance (SPR) proper
Externí odkaz:
https://doaj.org/article/25631d8e51a24e14b6355755d5daa420
Autor:
Diana Rakhmawaty Eddy, Dian Nursyamsiah, Muhamad Diki Permana, Solihudin, Atiek Rostika Noviyanti, Iman Rahayu
Publikováno v:
Materials, Vol 15, Iss 1, p 332 (2022)
The danger from the content of dyes produced by textile-industry waste can cause environmental degradation when not appropriately treated. However, existing waste-treatment methods have not been effective in degrading dyes in textile waste. Zero-vale
Externí odkaz:
https://doaj.org/article/2b265c66e7be4ac4bf42d2560123038a
Autor:
Diana Rakhmawaty Eddy, Soraya Nur Ishmah, Muhamad Diki Permana, M. Lutfi Firdaus, Iman Rahayu, Yaser A. El-Badry, Enas E. Hussein, Zeinhom M. El-Bahy
Publikováno v:
Applied Sciences, Vol 11, Iss 19, p 9033 (2021)
Titanium dioxide (TiO2) has been widely applied as a photocatalyst for wastewater treatment due to its high photocatalytic activity and it can remove various harmful organic pollutants effectively. Under heated system, however, TiO2 is prone to agglo
Externí odkaz:
https://doaj.org/article/e10973f059d7456286208e18dbd45347
Publikováno v:
Catalysts, Vol 10, Iss 11, p 1248 (2020)
Heavy metals are non-biodegradable and have a high toxicity effect on microorganisms which makes their presence in the environment extremely dangerous. The method of handling heavy metal waste by photocatalysis techniques using TiO2/SiO2 composite sh
Externí odkaz:
https://doaj.org/article/0e25c93090d7433686b1f71ff6647d67