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Rivaldo Marsel Tumbelaka
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High reusability of green-synthesized Fe3O4/TiO2 photocatalyst nanoparticles for efficient degradation of methylene blue dye
RM Tumbelaka, NI Istiqomah, T Kato, D Oshima, E Suharyadi
Materials Today Communications 33, 104450, 2022
292022
Detection of green-synthesized magnetite nanoparticles using spin-valve GMR-based sensor and their potential as magnetic labels
T Alfansuri, NA Wibowo, NI Istiqomah, RM Tumbelaka, E Suharyadi
Journal of Magnetism and Magnetic Materials 560, 169645, 2022
222022
Green synthesis of Fe3O4/chitosan nanoparticles utilizing Moringa Oleifera extracts and their surface plasmon resonance properties
R Cuana, AM Panre, NI Istiqomah, RM Tumbelaka, ST Wicaksono, ...
ECS Journal of Solid State Science and Technology 11 (8), 083015, 2022
192022
Green synthesis of magnetically separable and reusable Fe3O4/Cdots nanocomposites photocatalyst utilizing Moringa oleifera extract and watermelon peel for rapid dye degradation
EK Sari, RM Tumbelaka, H Ardiyanti, NI Istiqomah, E Suharyadi
Carbon Resources Conversion 6 (4), 274-286, 2023
142023
High performance of magnetically separable and recyclable photocatalyst of green-synthesized CoFe2O4/TiO2 nanocomposites for degradation of methylene blue
DL Puspitarum, NI Istiqomah, RM Tumbelaka, A Kusumaatmaja, ...
Advances in Natural Sciences: Nanoscience and Nanotechnology 13 (4), 045003, 2022
82022
Sunaryono, ST Wicaksono, E. Suharyadi, ECS J
R Cuana, AM Panre, NI Istiqomah, RM Tumbelaka
Solid State Sci. Technol 11, 083015, 2022
82022
Green synthesis of Fe3O4/Ag composite nanoparticles using Moringa oleifera: Exploring microstructure, optical, and magnetic properties for magnetic hyperthermia applications
MY Darmawan, NI Istiqomah, N Adrianto, RM Tumbelaka, AD Nugraheni, ...
Results in Chemistry 6, 100999, 2023
72023
Green Synthesis of Fe3O4/TiO2 Nanoparticles Using Extracts of Moringa oleifera: Microstructural and Optical Properties
RM Tumbelaka, NI Istiqomah, N Mabarroh, E Suharyadi
Solid State Phenomena 332, 91-99, 2022
62022
New design of a commercial chip-based GMR sensor with magnetite nanoparticles for biosensing applications
H Ardiyanti, NA Wibowo, NI Istiqomah, RM Tumbelaka, MAU Absor, ...
Journal of Science: Advanced Materials and Devices 8 (2), 100556, 2023
52023
Localized surface plasmon resonance properties dependence of green-synthesized fe3o4/ag composite nanoparticles on ag concentration and an electric field for biosensor application
S Wahyuni, M Riswan, N Adrianto, MY Dharmawan, RM Tumbelaka, ...
Photonics and Nanostructures-Fundamentals and Applications 57, 101191, 2023
42023
Two spin-valve GMR thin films on half wheatstone bridge circuit for detecting green-synthesized Fe3O4@ Ag nanoparticles-labeled biomolecule
S Garcia, MY Darmawan, NA Wibowo, H Ardiyanti, RM Tumbelaka, ...
Materialia 32, 101930, 2023
12023
Optical, microstructural, and magnetic hyperthermia properties of green-synthesized Fe3O4/carbon dots nanocomposites utilizing Moringa oleifera extract and watermelon rinds
A Jiananda, EK Sari, DA Larasati, RM Tumbelaka, H Ardiyanti, ...
Carbon Trends 13, 100305, 2023
12023
Microstructures, Optical, magnetic Properties, and photocatalytic activity of magnetically separable and reusable ZnO-Doped Fe3O4/rGO nanocomposite synthesized via green route
H Aliah, NP Rini, IS Farouk, LJ Mahardhika, PD Jayanti, HP Kusumah, ...
Carbon Resources Conversion 7 (4), 100235, 2024
2024
A Study on Microstructural and Optical Properties of Green Synthesized Fe3O4/ Mesoporous Silica Nanoparticles
ME Saputra, NI Istiqomah, LA Nikhmah, L Rumiyanti, RM Tumbelaka, ...
Advances in Science and Technology 143, 47-52, 2024
2024
Heating Efficiency of Green Synthesized Fe3O4 Nanoparticles Utilizing Moringa oleifera Extract for Magnetic Hyperthermia Applications
MY Darmawan, RM Tumbelaka, NI Istiqomah, AD Nugraheni, ...
Advances in Science and Technology 143, 21-26, 2024
2024
Green Synthesis of Magnetite Nanoparticles using Moringa oleifera and their Electro-Optic Surface Plasmon Resonance Properties
S Wahyuni, M Riswan, RM Tumbelaka, R Cuana, NI Istiqomah, ...
Materials Science Forum 1114, 21-26, 2024
2024
Effect of TiO2 on Photocatalytic Activity of NiZnFe2O4/TiO2 Nanocrystalline for Methylene Blue Degradation
SI Budianti, NI Istiqomah, RM Tumbelaka, D Oshima, T Kato, E Suharyadi
Materials Science Forum 1104, 117-129, 2023
2023
Dielectrics and Optical Properties of Green-Synthesized Fe3O4 Nanoparticles
FS Sitorus, RM Tumbelaka, NI Istiqomah, A Nuswantari, E Suharyadi
Key Engineering Materials 941, 173-181, 2023
2023
GMR Biosensor Based on Spin-Valve Thin Films for Green-Synthesized Magnetite (Fe3O4) Nanoparticles Label Detection
N Mabarroh, T Alfansuri, NI Istiqomah, RM Tumbelaka, E Suharyadi
Nano Hybrids and Composites 37, 9-14, 2022
2022
The microwave activation effect on the surface morphology of activated charcoal from Arenga pinnata merr bunches
N Adrianto, AM Panre, RM Tumbelaka, M Anas
AIP Conference Proceedings 2338 (1), 2021
2021
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