A5037506610- Magnetic Properties and Synthesis of Ferrites
- Nanoparticles: synthesis and applications
- Nanoparticle-Based Drug Delivery
- Quantum Dots Synthesis And Properties
- Iron oxide chemistry and applications
- Wind Energy Research and Development
- Data Mining and Machine Learning Applications
- Nanomaterials for catalytic reactions
- Wind Turbine Control Systems
- Engineering and Technology Innovations
- IoT-based Control Systems
- Spectroscopy and Laser Applications
- Multiferroics and related materials
- Geotechnical and construction materials studies
- Minerals Flotation and Separation Techniques
- Multimedia Learning Systems
- Recycling and utilization of industrial and municipal waste in materials production
- Gold and Silver Nanoparticles Synthesis and Applications
- Coagulation and Flocculation Studies
- Historical Astronomy and Related Studies
- Characterization and Applications of Magnetic Nanoparticles
- Graphene and Nanomaterials Applications
- Advanced Photocatalysis Techniques
- Carbon and Quantum Dots Applications
- Metamaterials and Metasurfaces Applications
Sumatera Institute of Technology
2018-2025
Universitas Gadjah Mada
2017-2025
This study investigates the green synthesis of Fe3O4/Ag composite nanoparticles using Moringa Oleifera (MO) extract in coprecipitation process. The microstructure, optical, and magnetic properties synthesized are examined specific absorption rate (SAR) is measured. X-ray pattern results reveal that addition Ag increases crystallite size to 25.4–32.6 nm. Fourier transform infrared spectra confirm presence nanoparticles. Magnetic measurements show samples have soft ferromagnetic at room...
Cancer therapy with targeted-localized heating is one of the breakthroughs in biomedical field. The incorporation magnetic nanoparticles and fluorescent was crucial issues for hyperthermia applications. This research investigates properties green-synthesized Fe3O4/CDs. Fe3O4 were synthesized using coprecipitation method Moringa oleifera leaf extract as a reducing agent stabilizer. In contrast, CDs hydrothermal watermelon rind waste carbon source. X-ray diffraction analysis confirmed presence...
The development of targeted cancer therapies is crucial to reducing harmful patient side effects. incorporation magnetic and fluorescent nanoparticles as heat mediators in hyperthermia a novel efficient strategy. This study investigated the potential CoFe2O4/ZnS composite nanoparticles, successfully fabricated using green synthesis method with Moringa oleifera leaf extract, agents. X-ray diffraction spectra demonstrated existence CoFe2O4 cubic spinel ferrite ZnS zinc-blend phases...
Abstract In this study, the microstructural, optical, and magnetic properties specific absorption rate (SAR) of bismuth ferrite/SiO 2 nanoparticles were successfully investigated. The coprecipitation method was used to synthesize nanoparticles. X-ray diffraction patterns showed presence sillenite-type Bi 25 FeO 40 with a body-centered cubic structure. crystallite size 35.0 nm, which increased 41.5 nm after SiO encapsulation. Transmission electron microscopy images confirmed that all samples...
For the development of green magnetic-based immunoassay devices, rapid and reliable assay method eco-friendly magnetic labels with a lower energy requirement is vital. This work proposes green-synthesized Fe 3 O 4 @Ag label system using GMR chips simple microcontroller-based data acquisition tool. Optical analysis shows successful synthesis assistance Moringa oleifera (MO) extract as reducing stabilizing agent. Meanwhile, according to characterization, MO-assisted nanocomposites feature...
Indonesia's electricity needs are increasing in line with population and living standards. Renewable energy is an alternative avoiding dependence on conventional PLN electricity. This research a further study of solar as to meet the Institut Teknologi Sumatera (ITERA) which always increases every year number students infrastructure lecture infrastructure. Research potential at ITERA has been carried out before using methods. examines by considering various factors. uses cells 100 WP...
Bismuth ferrite nanoparticles were successfully synthesized by the co-precipitation method and modified polyethylene glycol (PEG) 4000. X-ray diffraction patterns showed a sillenite structure of bismuth (Bi 25 FeO 40 ) with crystallite size 35.0 nm new phase appeared after surface modification. The was Bi 2 Fe 4 O 9 . Crystallite increased modification PEG. highest increase PEG 40.1 nm. Transmission electron microscopy images that samples before polycrystalline still agglomerated. Spectra...
The potential application for magnetic hyperthermia of green synthesized Fe 3 O 4 nanoparticles using Moringa Oleifera (MO) extract was investigated. We modified the amount MO solution by 10 and 20 mL to determine its effect on microstructure, properties, heating efficiency . X-ray diffraction (XRD) measurements revealed that samples had an inverse spinel cubic structure with average crystallite size 14.7-19.9 nm. characteristics show saturation magnetization are 55 emu/g 38 variation....
Wind energy is a famous green after solar realized. The highest potential especially wind depending from local characteristic study. However, survey and observation of study it's very expensive to obtain energy. Thus, in this aimed estimate using Artificial Neural Network (ANN) over Krui, West Lampung, Sumatera, Indonesia. Here, the data such as speed, direction, elevation taken while NASA LaRC POWER project. all was processed Levenberg Marquardt algorithm ANN back propagation for Multilayer...
Abstrak — Panel surya dapat diketahui kinerjanya dengan cara mengukur parameter arus dan tegangan namun untuk mendapatkan informasi yang akurat berkelanjutan maka perlu adanya sistem pemantuan terhadap panel tersebut. Sistem pemantauan pada penelitian ini dibuat berbasis ATMEGA328P, ESP 8266, sensor tegangan. Dapat disimpulkan bahwa kinerja dalam pengujian memiliki galat sebesar 0.2% tegangan, 0.17 % arus. Untuk data dari menunjukkan nilai rata-rata 20.75 volt 2.81 ampere standar deviasi...
Intisari — Saat ini masyarakat Indonesia cenderung sering melakukan pemborosan pada penggunaan listrik. Di sisi lain energi listrik di mayoritas dihasilkan dari pembangkit tenaga uap, yang membutuhkan bahan bakar sumber daya alam tidak dapat diperbaharui. Sehingga tingginya permintaan dan kejadian dalam meningkatkan konsumsi serta polusi udara. Maka itu, penelitian diusulkan sebuah solusi melalui sistem peringatan dini menumbuhkan kesadaran untuk penghematan Sistem data masukan berupa jumlah...
Bricks are regarded as important material in building constructions. Basically, brick is processed by mixing clay and water then burnt under high temperature for a certain duration. Previous study Indonesia shows that local with additional materials could improve its characteristic, especially terms of absorption potentiality. Lampung has home industries which run making business traditionally. Moreover, this year Indonesian government been organizing regional elections attract campaigners...
The study of Fe3O4/Ag composite nanoparticles has been carried out by examining the microstructure, optical, magnetic properties and measuring specific absorption rate (SAR). Moringa Oleifera (MO) extract is used in coprecipitation process for synthesis nanoparticles. Based on X-ray pattern results, crystallite size increased to 25.4-32.6 nm after Ag addition. Fourier transform infrared spectra results confirmed presence Measurements at room temperature indicated soft ferromagnetic samples....
Kinerja spektrometer fotoakustik (SFA) telah dilakukan optimasi dan diaplikasikan. Karakterisasi SFA laser CO2 meliputi pemayaran garis serapan, penentuan kurva resonansi faktor kualitas, pengukuran noise sehingga diperoleh untuk kualitas sebesar (14,5 + 0,6), (14,8 0,7), (14,2 0,6) batas deteksi terendah gas etilen, aseton, amonia pada 10P14, 10P20, 10R14 yaitu (57,1 0,4) ppb, (63,8 2,4) (81,1 ppb. Selanjutnya digunakan mengukur konsentrasi hembus perokok. Hasil diolah menggunakan analisis...
Recently the Indonesian people often get inefficiency of electricity usage. On other side, in Indonesia, is mostly produced from steam power plant, which require fuel non-renewable natural resources. So highness demand and occurrence usage can increase consumption resource air pollution. Therefore, an early warning system are proposed this study, become one various solution than awareness efficiency This requires input data last 6 months, that will be formed trend each user using linear...
Nowadays, invisibility efforts by scientists and engineers have focused on building a large broadband, multidirectional cloaking device. The device is usually cloak that works in macroscopic dimensions for the entire visible spectrum. Addition with full-field of light, no new materials, simple infrastructure, scale easily may be considered an ‘ideal’ This paper report implementing ray optics formalism presented previously Choi Howell [1] using lenses design arbitrarily large, moving...
Creating optical illusions or invisible objects by using cloaking devices is still being a concern for many researchers in the world. The are working visible spectrum regime, large dimention, and replicable. Addition with full-field of light, no new materials, simple infrastructure, scale easily may be considered an ‘ideal’ device. Based on four lenses system Choi’s work shows idea solution blindspot vehicle’s problem. set up this regular covex non-aberation based educational laboratory...