Amru Daulay
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View article: A Green Approach to N, S-doped Carbon Dots from Jengkol Peel (Archidendron pauciflorum) for Ratiometric Sensing of Amaranth Dye
A Green Approach to N, S-doped Carbon Dots from Jengkol Peel (Archidendron pauciflorum) for Ratiometric Sensing of Amaranth Dye Open
The development of environmentally safe and cost-effective carbon nanoparticle-based ratiometric fluorescence sensors is critical for identifying hazardous synthetic food dyes. N, S-doped carbon dots (N, S-CD) were synthesized via a simple…
View article: Peran Wisatawan Asing dalam Mendorong Pertumbuhan Ekonomi Lokal di Kawasan Wisata Budaya
Peran Wisatawan Asing dalam Mendorong Pertumbuhan Ekonomi Lokal di Kawasan Wisata Budaya Open
This study aims to analyze the role of foreign tourists in driving local economic growth in cultural tourism areas. The focus of the study lies in the direct and indirect contribution of tourist activities to increasing community income, d…
View article: ECO FRIENDLY CITRIC ACID-ASSISTED SOL-GEL SYNTHESIS OF HIGH-PURITY NANO SILICA FROM DIENG GEOTHERMAL SLAG: CHARACTERIZATION AND OPTIMIZATION METHOD
ECO FRIENDLY CITRIC ACID-ASSISTED SOL-GEL SYNTHESIS OF HIGH-PURITY NANO SILICA FROM DIENG GEOTHERMAL SLAG: CHARACTERIZATION AND OPTIMIZATION METHOD Open
Geothermal slag is a by-product of the geothermal power generation process, but its added value is minimal. With a silica content of up to 70%, geothermal slag has potential as a secondary silicon source for battery silicon anode precursor…
View article: Dual-synergistic effects of citric acid on atmospheric leaching of manganese ores
Dual-synergistic effects of citric acid on atmospheric leaching of manganese ores Open
In the current study, a leaching of manganese from Indonesian manganese ores using citric acid as leaching reagent without the addition of reducing agent was investigated. Citric acid was being used as a leaching reagent and reducing agent…
View article: Facile synthesis of nano-Si/graphite composites from rice husk for high performance lithium-ion battery anodes
Facile synthesis of nano-Si/graphite composites from rice husk for high performance lithium-ion battery anodes Open
The hydrothermal method is used to attach nano-Si to the surface of natural graphite to make a high-performance nano-si/graphite (nSi/G) composite. The nSi/G composites have been successfully made from rice husk using the hydrothermal meth…
View article: Reusable MgO/Geopolymer nanocomposites with high Adsorption capacity for methylene blue as effects of mixed phase diffraction and optical response changes
Reusable MgO/Geopolymer nanocomposites with high Adsorption capacity for methylene blue as effects of mixed phase diffraction and optical response changes Open
Water contamination due to synthetic dyes has continued to increase in recent years and has become a significant environmental problem. The development of effective and sustainable materials to address these problems is essential. A compre…
View article: Green sources for carbon dots synthesis in sensing for food application – A review
Green sources for carbon dots synthesis in sensing for food application – A review Open
Carbon dots (CDs) are the most promising nanomaterials of zero-dimensional nanoparticle materials because they have strong fluorescence properties, good photoluminescence conversion, stability, and inter-charge transfer performance. CDs al…
View article: Activated carbon from biomass waste candlenut shells (Aleurites moluccana) doped ZIF-67/Fe3O4 as advanced materials for supercapacitor
Activated carbon from biomass waste candlenut shells (Aleurites moluccana) doped ZIF-67/Fe3O4 as advanced materials for supercapacitor Open
Biomass waste candlenut shells, such as adsorbent carbon, can be utilized. Fe3O4 has great electrical conductivity, and ZIF-67 has diverse pores. Activated carbon, Fe3O4, and ZIF-67 were prepared to obtain a combination of these materials …
View article: Synthesis of silicon nanoparticles with various additions of inert salt as scavenger agent during reduction by the magnesiothermic method as anode lithium-ion batteries
Synthesis of silicon nanoparticles with various additions of inert salt as scavenger agent during reduction by the magnesiothermic method as anode lithium-ion batteries Open
A heat scavenger agent magnesiothermic reduction of quartz sand was used to make Si nanoparticles in a way that can be easily scaled up. Its source of SiO2 is safe for the environment, easy to get, and cheap. It can make silicon nanopartic…
View article: Synthesis of Carbon Dots From Empty Fruit Bunch Biochar an Acid-Free Hydrothermal Method
Synthesis of Carbon Dots From Empty Fruit Bunch Biochar an Acid-Free Hydrothermal Method Open
Carbon dots have gained much interest due to their outstanding optical and electrical properties, making them useful for a wide range of applications. Here Empty fruit bunch (EFB) biochar was used as a carbon source in a straightforward, e…
View article: Training in the Manufacture of Softener Fragrance Aroma Therapy in Tembung Village, District Percut Sei Tuan
Training in the Manufacture of Softener Fragrance Aroma Therapy in Tembung Village, District Percut Sei Tuan Open
Tembung Village, Percut Sei Tuan District, Deli Serdang Regency, North Sumatra Province, is a densely populated area. There are more than 200 laundry businesses. The potential for laundry business actors to produce softener and aromatherap…
View article: Highly fluorescent nitrogen-doped carbon dots derived from jengkol peels (Archindendron pauciflorum) by solvothermal synthesis for sensitive Hg2+ ions detection
Highly fluorescent nitrogen-doped carbon dots derived from jengkol peels (Archindendron pauciflorum) by solvothermal synthesis for sensitive Hg2+ ions detection Open
A facile synthesis method involving a one-step solvothermal method is demonstrated in producing fluorescent nitrogen-doped carbon dots (N-CDs) by employing biomass waste (Jengkol peels) and ethylenediamine as a source for carbon and nitrog…
View article: Synthesis of Nitrogen-Doped Carbon Dots from Nanocrystalline Cellulose by Pyrolysis Method as Hg2+ Detector
Synthesis of Nitrogen-Doped Carbon Dots from Nanocrystalline Cellulose by Pyrolysis Method as Hg2+ Detector Open
The synthesis of modified carbon dots (N-CDs) from nanocrystalline cellulose, as the carbon source, with the combination of urea and ethylenediamine, as nitrogen dopant agents, was successfully carried out by pyrolysis at 300°C. The N-CDs …
View article: Stability of mesoporous silica using ricinoleic methyl ester as a template with the addition of HCl and application of Cd<sup>2+</sup> adsorption optimized by Box–Behnken design
Stability of mesoporous silica using ricinoleic methyl ester as a template with the addition of HCl and application of Cd<sup>2+</sup> adsorption optimized by Box–Behnken design Open
Illustration of the adsorption of Cd 2+ by mesoporous silica.
View article: Synthesis of magnetic activated carbon-supported cobalt(II) chloride derived from pecan shell (Aleurites moluccana) with co-precipitation method as the electrode in supercapacitors
Synthesis of magnetic activated carbon-supported cobalt(II) chloride derived from pecan shell (Aleurites moluccana) with co-precipitation method as the electrode in supercapacitors Open
The synthesis of materials on magnetic activated carbon is of concern, with a simple and environmentally friendly. The research used pecan shell (Aleurites moluccana) as a carbon source. The breakthrough made in this research is to make ma…
View article: Sweet potato‑derived carbon nanosheets incorporate NiCo2O4 nanocomposite as electrode materials for supercapacitors
Sweet potato‑derived carbon nanosheets incorporate NiCo2O4 nanocomposite as electrode materials for supercapacitors Open
Since a composite electrode made of carbon and transition metal oxides has much potential to be the best electrode type for a future energy storage system, the low-temperature solution growth method was used to make a carbon framework from…
View article: Synthesis of mesoporous silica with ricinoleic methyl ester (Ricinus communis) as a template for adsorption copper (II) with optimizing Box-Behnken design
Synthesis of mesoporous silica with ricinoleic methyl ester (Ricinus communis) as a template for adsorption copper (II) with optimizing Box-Behnken design Open
Mesoporous silica has been synthesized with ricinoleic methyl ester (Ricinus communis) as a template. Fourier-transform infrared spectroscopy (FTIR), x-ray diffraction (XRD), and N2 adsorption were used to characterize the adsorbent. The R…
View article: Synthesis and application of silicon nanoparticles prepared from rice husk for lithium-ion batteries
Synthesis and application of silicon nanoparticles prepared from rice husk for lithium-ion batteries Open
Silicon nanoparticles have been synthesized via a highly scalable heat scavenger-assisted magnesiothermic reduction of rice husk. This environmentally benign, highly abundant, and low-cost SiO2 source allows for the production of silicon n…
View article: Scalable synthesis of porous silicon nanoparticles from rice husk with the addition of KBr as a scavenger agent during reduction by the magnesiothermic method as anode lithium-ion batteries with sodium alginate as the binder
Scalable synthesis of porous silicon nanoparticles from rice husk with the addition of KBr as a scavenger agent during reduction by the magnesiothermic method as anode lithium-ion batteries with sodium alginate as the binder Open
Porous silicon nanoparticle has been synthesized via a highly scalable heat scavenger-assisted magnesiothermic reduction of rice husk. Addition of KBr as scavenger agent for the highly exothermic magnesium reduction process. Porous silicon…
View article: METHANOL MASS VARIATION OF MESOPOROUS SILICA SYNTHESIS USING RICINOLEIC METHYL ESTER AS A TEMPLATE
METHANOL MASS VARIATION OF MESOPOROUS SILICA SYNTHESIS USING RICINOLEIC METHYL ESTER AS A TEMPLATE Open
This study aims to synthesize mesoporous silica using ricinoleic methyl ester as a template with the variation of methanol mass. Mesoporous silica was synthesized using ricinoleic methyl ester as a template, 3-aminopropyltrimethoxysilane a…
View article: SYNTHESIS OF SILICON NANOPARTICLES MODIFIED POLYESTER AS MATERIAL ACTIVE ELECTRODE ON A SECONDARY CELL BATTERY
SYNTHESIS OF SILICON NANOPARTICLES MODIFIED POLYESTER AS MATERIAL ACTIVE ELECTRODE ON A SECONDARY CELL BATTERY Open
After oxygen, silicon is the second most prevalent element. Despite their abundance, this element is not discovered by itself. Minerals like silicates and aluminum silicates are typically where you can find silicon compounds. This study us…
View article: Effect of variation temperature at burning rice husk to obtain silica
Effect of variation temperature at burning rice husk to obtain silica Open
Process to obtaining silica from rice husks (RH) was influenced by several factor such as temperature at burning RH. In this study, the process of ashing RH was carried out by burning with variation temperature at 600, 700, 800, 900, and 1…
View article: EXTRACTION SILICA FROM RICE HUSK WITH NaOH LEACHING AGENT WITH TEMPERATURE VARIATION BURNING RICE HUSK
EXTRACTION SILICA FROM RICE HUSK WITH NaOH LEACHING AGENT WITH TEMPERATURE VARIATION BURNING RICE HUSK Open
Silica can obtain by utilizing rice husk (RH).This study uses NaOH leaching agents with temperature variations of 600, 700, 800, 900 o C at burning RH.Rice husk ash (RHA) reacted with NaOH 10% at 90°C at 240 rpm for 2 h, then the addition …
View article: ANALYSES OF BROILER CHICKEN’S MARKETING IN TRADITIONAL MARKET OF MEDAN CITY
ANALYSES OF BROILER CHICKEN’S MARKETING IN TRADITIONAL MARKET OF MEDAN CITY Open
The purpose of this research is to identify the characteristics of marketing institutions, marketing chain, marketing function, and analyze added value in broiler marketing institutions in traditional market of Medan City from April until …