Search Results - "Christwardana, Marcelinus"

A correlation of results measured by cyclic voltammogram and impedance spectroscopy in glucose oxidase based biocatalysts by Christwardana, Marcelinus, Chung, Yongjin, Kwon, Yongchai

“…A new biocatalyst consisting of glucose oxidase (GOx) and polyethylenimine (PEI) immobilized on carbon nanotube (CNT) (CNT/PEI/GOx) was developed, while cyclic…”
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Effects of methylene blue and methyl red mediators on performance of yeast based microbial fuel cells adopting polyethylenimine coated carbon felt as anode by Christwardana, Marcelinus, Frattini, Domenico, Accardo, Grazia, Yoon, Sung Pil, Kwon, Yongchai

“…The electron transfer mechanisms of yeast Saccharomyces cerevisiae employing two different mediators, methylene blue (MB) and methyl red (MR), are suggested…”
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A novel of 2D-3D combination carbon electrode to improve yeast microbial fuel cell performance by Christwardana, Marcelinus, Joelianingsih, J., Yoshi, Linda Aliffia

“…This study developed a unique and outstanding 2D-3D anode using an Activated Carbon (AC) or Charcoal Powder (CP) coating on the carbon felt (CF) surface. The…”
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Highly sensitive glucose biosensor using new glucose oxidase based biocatalyst by Christwardana, Marcelinus, Ji, Jungyeon, Chung, Yongjin, Kwon, Yongchai

“…Glucose, which is a primary energy source of living organisms, can induce diabetes or hypoglycemia if its concentration in blood is irregular. It is therefore…”
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Effects of the gold nanoparticles including different thiol functional groups on the performances of glucose-oxidase-based glucose sensing devices by Christwardana, Marcelinus, Chung, Yongjin, Tannia, Daniel Chris, Kwon, Yongchai

“…Thiol-based self-assembled anchor linked to glucose oxidase (GOx) and gold nanoparticle (GNP) cluster is suggested to enhance the performance of glucose…”
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Glucose biofuel cells using the two-step reduction reaction of bienzyme structure as cathodic catalyst by Christwardana, Marcelinus, Chung, Yongjin, Kim, Do-Heyoung, Kwon, Yongchai

“…[Display omitted] •We suggest CNT/PBA/[HRP/PEI/GOx] catalyst as cathodic catalyst of GBFC.•Bienzyme structure consisting of GOx and HRP are used as the…”
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Performance of Yeast Microbial Fuel Cell Integrated with Sugarcane Bagasse Fermentation for COD Reduction and Electricity Generation by Christwardana, Marcelinus, Joelianingsih, J., Yoshi, Linda Aliffia

“…The purpose of this analysis is to evaluate the efficiency of the Microbial Fuel Cell (MFC) system incorporated with the fermentation process, with the aim of…”
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The flocculation process of Chlorella sp. using chitosan as a bio-flocculant: Optimization of operating conditions by response surface methodology by Hadiyanto, H., Widayat, W., Christwardana, Marcelinus, Pratiwi, Monica Evanty

“…The flocculation efficiency and biomass recovery are key characteristics to consider and measure when researching solid–liquid separation during the harvesting…”
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Synergistic of yeast Saccharomyces cerevisiae and glucose oxidase enzyme as co-biocatalyst of enzymatic microbial fuel cell (EMFC) in converting sugarcane bagasse extract into electricity by Marcelinus Christwardana, J. Joelianingsih, Linda Aliffia Yoshi

“…The microbial fuel cell (MFC) is an ecologically friendly alternative energy source. Due to the typically limited electron transfer in MFC systems,…”
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Performance and Techno-Economic Analysis of Scaling-up A Single-Chamber Yeast Microbial Fuel Cell as Dissolved Oxygen Biosensor by Christwardana, Marcelinus, Yoshi, Linda Aliffia

“…The Microbial fuel cells (MFCs) are electrochemical devices that can be utilized as biosensors, specifically Dissolved Oxygen (DO) biosensors. In this…”
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Electrochemical Study of Enzymatic Glucose Sensors Biocatalyst: Thermal Degradation after Long-Term Storage by Christwardana, Marcelinus, Frattini, Domenico

“…The thermal degradation related to stability in long-term storage of a carbon nanotube-based biosensor has been investigated. The effect of storage temperature…”
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Evaluating the Environmental Impacts at the End Point Level of the Biodiesel Production Process from Multiple Feedstocks in Indonesia Through Life Cycle Assessment Methodology by Wahyono, Yoyon, Hadiyanto, Hadiyanto, Gheewala, Shabbir H., Budihardjo, Mochamad Arief, Adiansyah, Joni Safaat, Widayat, Widayat, Christwardana, Marcelinus

“…The production of biodiesel from multiple feedstocks, which is now conducted on a laboratory scale, has the potential to be scaled up to an industrial level in…”
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Starch – carrageenan based low-cost membrane permeability characteristic and its application for yeast microbial fuel cells by Christwardana, Marcelinus, Kuntolaksono, Satrio, Septevani, Athanasia Amanda, Hadiyanto, H

“…Microbial fuel cells (MFCs) are an innovative method that generates sustainable electricity by exploiting the metabolic processes of microorganisms. The…”
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Mathematical Modeling for Determination of Correlation Between Current Density and Dissolved Oxygen in Yeast Microbial Fuel Cell-Based Biosensor by Christwardana, Marcelinus, Yoshi, Linda Aliffia

“…Experiments were conducted to study the correlation between current density and dissolved oxygen (DO) and to develop a model for estimating the value of…”
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Outstanding Photo-bioelectrochemical Cell by Integrating TiO2 and Chlorophyll as Photo-bioanode for Sustainable Energy Generation by Christwardana, Marcelinus, Septevani, Athanasia Amanda, Yoshi, Linda Aliffia

“…Photosynthesis is a technique for converting light energy into chemical energy that is both efficient and sustainable. Chlorophyll in energy-transducing…”
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Exploring and evaluating the relationship between Saccharomyces cerevisiae biofilm maturation on carbon felt anodes and microbial fuel cell performance by Marcelinus Christwardana, Sri Widodo Agung Suedy, Udi Harmoko, Kirana Siffa Sekar Buanawangsa

“…Microbial fuel cells (MFCs) hold great promise as sustainable bioenergy sources, with their performance intricately linked to the formation and characteristics…”
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The Effects of Audible Sound for Enhancing the Growth Rate of Microalgae Haematococcus pluvialis in Vegetative Stage by Christwardana, Marcelinus, Hadiyanto, H.

“…Physico-stimulant like audible sound is one of the new promising methods for enhancing microalgae growth rate. Here, microalgae Haematococcus pluvialis was…”
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Biodegradation Kinetic Study of Cassava & Tannia Starch-Based Bioplastics as Green Material in Various Media by Christwardana, Marcelinus, Ismojo, Ismojo, Marsudi, Sidik

“…The rate of biodegradation of cassava – tannia starch bioplastic in various media was evaluated. Bioplastic degradation profile for a period of 4 weeks was…”
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Membraneless Plant Microbial Fuel Cell using Water Hyacinth (Eichhornia crassipes) for Green Energy Generation and Biomass Production by Widharyanti, Ika Dyah, Hendrawan, Muhammad Andiri, Christwardana, Marcelinus

“…The plant microbial fuel cell (PMFC) is a technology built to produce renewable and sustainable electricityin order to meet the increasing global demand. This…”
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Correction: Evaluating the Environmental Impacts at the End Point Level of the Biodiesel Production Process from Multiple Feedstocks in Indonesia Through Life Cycle Assessment Methodology by Wahyono, Yoyon, Hadiyanto, Hadiyanto, Gheewala, Shabbir H., Budihardjo, Mochamad Arief, Adiansyah, ·Joni Safaat, Widayat, Widayat, Christwardana, Marcelinus

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