Search Results - "Gea, Saharman"

Synthesis Si nanoparticles from rice husk as material active electrode on secondary cell battery with X-Ray diffraction analysis by Daulay, Amru, Andriayani, Marpongahtun, Gea, Saharman

“…•Particle size analysis by X-ray diffraction with Williamson-hall, size-strain plot, and Halder-Wagner.•Particle size analysis by SEM images.•Si nanoparticles…”
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Synthesis and application of silicon nanoparticles prepared from rice husk for lithium-ion batteries by Daulay, Amru, Andriayani, Marpongahtun, Gea, Saharman

“…Silicon nanoparticles have been synthesized via a highly scalable heat scavenger-assisted magnesiothermic reduction of rice husk. This environmentally benign,…”
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All-cellulose nanocomposites by surface selective dissolution of bacterial cellulose by Soykeabkaew, Nattakan, Sian, Chandeep, Gea, Saharman, Nishino, Takashi, Peijs, Ton

“…All-cellulose nanocomposites using bacterial cellulose (BC) as a single raw material were prepared by a surface selective dissolution method. The effect of the…”
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Characterization of Bacterial Cellulose-Based Wound Dressing in Different Order Impregnation of Chitosan and Collagen by Pasaribu, Khatarina Meldawati, Gea, Saharman, Ilyas, Syafruddin, Tamrin, Tamrin, Radecka, Izabela

“…Bacterial cellulose (BC), chitosan (Chi), and collagen (Col) are known as biopolymers which have met some properties that are required as wound dressing. This…”
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Characterization of Silicon from Rice Husk Doped with Cobalt: Analysis of Structure and Magnetoelectric Properties by Kurniawan, Rizky, Andriayani, Andriayani, Gea, Saharman, Kurniawan, Hadi

“…The development of Si-based materials has attracted increasing attention, particularly for application in semiconductors, batteries, sensors, and optical…”
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Nanofiber Cellulose/Lignin from Oil Palm Empty Fruit Bunches and the Potential for Carbon Fiber Precursor Prepared by Wet-spinning by Mahyuni Harahap, Nurkholidah Daulay, Devi Zebua, Saharman Gea

“…This work isolated nanofiber cellulose (NFC) and Lignin from oil palm empty fruit bunches (OPEFB). NFC/lignin-based carbon fiber was prepared by using the…”
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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 by Daulay, Amru, Andriayani, Marpongahtun, Gea, Saharman, Tamrin

“…•Synthesis of porous silicon nanoparticles from rice husk with the addition of KBr as a scavenger agent during reduction by the magnesiothermic method.•Impact…”
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Ultrasound pretreatment and enzymatic deinking by using bacterial cellulases from rice husk by Gea, Saharman, Bulan, Rumondang, Zaidar, Emma, Piliang, Averroes Fazlurrahman, Oktari, Noni, Rahayu, Sri, Hutapea, Yasir Arafat, Sari, Reka Mustika

“…Ultrasonic pretreatment could improve the accessibility of enzymes to cellulosic fibers, hence expanding the access of enzymes to effectively remove ink from…”
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Isolation and Characterisation of Cellulose Nanofibre and Lignin from Oil Palm Empty Fruit Bunches by Gea, Saharman, Siregar, Amir Hamzah, Zaidar, Emma, Harahap, Mahyuni, Indrawan, Denny Pratama, Perangin-Angin, Yurika Almanda

“…A study on isolation and characterisation of cellulose nanofibre (CNF) and lignin was conducted to expand the application of CNF and lignin from oil palm…”
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Facile synthesis of ZnO–Ag nanocomposite supported by graphene oxide with stabilised band-gap and wider visible-light region for photocatalyst application by Gea, Saharman, Situmorang, Suhut A., Pasaribu, Nurhaida, Piliang, Averroes F.R., Attaurrazaq, Boy, Sari, Reka Mustika, Pasaribu, Khatarina Meldawati, Goutianos, Stergios

“…The synthesis of zinc oxide (ZnO), with the support of silver (Ag) and Graphene Oxide (GO), was carried out in several stages as a potential photocatalytic…”
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Structure and optical properties of Fe2TiO5/Ag/C nanocomposites as photocatalyst materials by Amaturrahim, Suci Aisyah, Saragi, Indah Revita, Simanjuntak, Crystina, Gea, Saharman, Attaurrazaq, Boy

“…Photocatalysis has attracted attention, utilizing solar energy directly to catalyze chemical reactions. This research synthesized Fe2TiO5/Ag/C nanocomposites…”
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Evaluation to possibility of cellulose fibers isolated from kapok randu (Ceiba Pentandra) as a precursor growth of carbon micro structures with the assist of metal catalysts by Gea, Saharman, Andriayani, Piliang, Averroes Fazlur Rahman, Attaurrazaq, Boy, Rahayu, Sri, Hendrana, Sunit

“…[Display omitted] As a hydrocarbon material, cellulose could be used as precursor in synthesizing carbon micro-structure (CMTs), and this study aims to…”
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Fabrication and In-Vivo Study of Micro-Colloidal Zanthoxylum acanthopodium -Loaded Bacterial Cellulose as a Burn Wound Dressing by Pasaribu, Khatarina Meldawati, Gea, Saharman, Ilyas, Syafruddin, Tamrin, Tamrin, Sarumaha, Appealwan Altruistis, Sembiring, Ardiansyah, Radecka, Izabela

“…Bacterial cellulose (BC) is a biopolymer commonly used for wound dressing due to its high biocompatible properties either in-vitro or in-vivo. The…”
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Promoting Electrospun Lignin/PEO Nanofiber for High-Performance CO Filtration by Nainggolan, Grace, Gea, Saharman, Marpongahtun, Harahap, Mahyuni, Dellyansyah, Situmorang, Suhut Alexander

“…In recent years, the development of air filter materials that are cheap, abundantly available in nature, environmentally friendly, and easy to process has…”
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Characteristic and Catalytic Performance of Co and Co-Mo Metal Impregnated in Sarulla Natural Zeolite Catalyst for Hydrocracking of MEFA Rubber Seed Oil into Biogasoline Fraction by Junifa Layla Sihombing, Saharman Gea, Basuki Wirjosentono, Harry Agusnar, Ahmad Nasir Pulungan, Herlinawati Herlinawati, Muhammad Yusuf, Yasir Arafat Hutapea

“…This research was aimed to investigate the effect of Co and Co-Mo metal loaded on Sarulla Natural Zeolite which has been activated and calcined (SNZ-Cal) as…”
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The effectiveness of coconut coir as tar adsorbent in liquid smoke integrated into the pyrolysis reactor by Sari, Reka Mustika, Gea, Saharman, Wirjosentono, Basuki, Hendrana, Sunit, Torres, Fernando G.

“…Tar is a toxic polycyclic aromatic hydrocarbon (PAH) compound that can cause pipe clogging problems and engine damages. Thus, the purpose of this study is to…”
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Synthesis of Nitrogen-Doped Carbon Dots from Nanocrystalline Cellulose by Pyrolysis Method as Hg2+ Detector by Marpongahtun, Andriayani, Yugia Muis, Saharman Gea, Suci Aisyah Amaturrahim, Boy Attaurrazaq, Amru Daulay

“…The synthesis of modified carbon dots (N-CDs) from nanocrystalline cellulose, as the carbon source, with the combination of urea and ethylenediamine, as…”
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Acetylated lignin from oil palm empty fruit bunches and its electrospun nanofibres with PVA: Potential carbon fibre precursor by Harahap, Mahyuni, Perangin-Angin, Yurika Almanda, Purwandari, Vivi, Goei, Ronn, Tok, Alfred ling Yoong, Gea, Saharman

“…The electrospinning of acetylated lignin/polyvinyl alcohol (PVA) nanofibres was carried out to expand the application of lignin materials obtained from oil…”
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Bio-oil hydrodeoxygenation over acid activated-zeolite with different Si/Al ratio by Gea, Saharman, Irvan, Irvan, Wijaya, Karna, Nadia, Asma, Pulungan, Ahmad Nasir, Sihombing, Junifa Layla, Rahayu, Rahayu

“…Bio-oil includes significant levels of oxygenate molecules, which might induce component instability and reduce its physicochemical qualities. To counteract…”
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Carbon-Nano Fibers Yield Improvement with Iodinated Electrospun PVA/Silver Nanoparticle as Precursor via One-Step Synthesis at Low Temperature by Gea, Saharman, Attaurrazaq, Boy, Situmorang, Suhut Alexander, Piliang, Averroes Fazlur Rahman, Hendrana, Sunit, Goutianos, Stergios

“…High temperature is required in carbon fiber synthesis in the carbonization step. However, direct high-temperature heating without the presence of additive…”
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