Showing 1-25 of 70 resultsfor "Index Terms":Lipid Extraction
"Index Terms":Lipid Extraction
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Lipids extraction from microalgae for biodiesel production
Ángel Sánchez;Ángeles Cancela;Rocío Maceiras;Víctor Alfonsín
2014 International Renewable and Sustainable Energy Conference (IRSEC)
Year: 2014 | Conference Paper |
Cited by: Papers (1)
Microalgae are being used as an alternative raw material for biodiesel production. This purpose involves the microalgae cultivation, biomass harvesting, lipids extraction and transesterification. In this work, different methods for lipids extraction from Chlorella Vulgaris are evaluated. The different extractions were carried out using Soxhlet method or ultrasound irradiation. In both cases, diffe...Show More
Comparison of Lipid Extraction from Algae (Chlorella Species) using Wet Lipid Extraction Procedure and Bligh and Dry Method
Seema Saroya;Vikas Bansal;Ravi Gupta;A.S Mathur;Preeti Mehta
2018 IEEE International Students' Conference on Electrical, Electronics and Computer Science (SCEECS)
Year: 2018 | Conference Paper |
Cited by: Papers (1)
Microalgae are consider as fourth generation biofuel for liquid fuels. But it is very tedious task to dry microalgae followed by lipid extraction and final processing for renewable fuel production. There are several economic and processing hurdles for methods including conversion of microalgae biomass to renewable fuel. Research conducted in this study modified/optimized a previously published pro...Show More
Assessment of the effects of medium composition on growth, lipid accumulation and lipid profile of Chlorella vulgaris as a biodiesel feedstock
Ecem Kaplan Çoban;Ceren Gençoğlu;Doğancan Kirman;Orkun Pinar;Dilek Kazan;Ahmet Alp Sayar
2015 International Conference on Renewable Energy Research and Applications (ICRERA)
Year: 2015 | Conference Paper |
Microalgae serve as a potential feedstock for renewable energy- biodiesel production due to their lipid content. Nowadays, it is possible to maximize the lipid content of microalgal cells via biochemical engineering methods. The aim of the presented study is to observe the effects of six different medium compositions on the growth, lipid content and lipid profile of Chlorella vulgaris.Show More
Lipid content and biomass production of Chlorella vulgaris is affected by growth conditions
2012 Second Iranian Conference on Renewable Energy and Distributed Generation
Year: 2012 | Conference Paper |
Cited by: Papers (1)
Microalgae are known for lipid production as source of biofuels. Chlorella vulgaris was studied in terms of biomass production and lipid content in N8 and SH4 media inoculated with cells grown in each of the two media. Observations revealed that for biomass production N8 medium inoculated with cells grown in SH4 medium is preferred. For lipid production N8 medium is also preferred, inoculated with...Show More
Pulsed Electric Field Treatment of Microalgae—Benefits for Microalgae Biomass Processing
Christian Eing;Martina Goettel;Ralf Straessner;Christian Gusbeth;Wolfgang Frey
In this paper, we demonstrate how pulsed electric field (PEF) treatment of microalgae biomass opens promising downstream processing options for an energetic use of algae. The fact that lipid droplets remain intracellular after treatment facilitates selective processing. After separation of the water-soluble cell contents, the algae lipids can be extracted with adequate solvents. The use of the env...Show More
Application of Nanosecond and Microsecond Pulsed Electric Fields for Increased Lipid Recovery from Microalga Chlorella Protothecoides
Mary L. Mulligan;Caleb H. Geissler;Shaunak Ray;Zane E. Zmola;John A. Morgan;Allen L. Garner
2018 IEEE International Conference on Plasma Science (ICOPS)
Year: 2018 | Conference Paper |
Global warming, energy security, and increasing energy demand motivate renewable energy research.1, 2 Algal-based biodiesel can provide direct fuel substitutes for transportation and heating while significantly reducing land-use demands.2 However, low lipid extraction efficiencies and prohibitive costs prevent large-scale industrialization of algal biodiesel.1 Various cell disruption methods have ...Show More
A Method For The Extraction Of Liquid Hydrocarbons From microalgal Biomass
Proceedings of the 25th Intersociety Energy Conversion Engineering Conference
Year: 1990 | Conference Paper |
Cited by: Papers (3)
In early 1980's microalgae were proposed as a source of energy, chemicals, and pharmaceutical compounds (vitamins, fatty acids, etc.). This necessitated culture of microalgae in synthetic media or wastewater treatment ponds and the subsequent extraction of the compounds from the biomass. The present study was initiated in response to the increasing need for experimental data regarding microalgal l...
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Show MoreImprovement of the Culture Conditions of the Chlorella sp Microalgae in a Photobioreactor for the Production of Biodiesel
Eduardo Chavez;Santiago Rubiños;Sonia Herrera;Herbert Grados;Marcelo Damas
2023 6th International Conference on Electrical Engineering and Green Energy (CEEGE)
Year: 2023 | Conference Paper |
In the present research work, the objective was to determine the appropriate conditions for the cultivation of the microalgae Chlorella sp in a Photobioreactor and to obtain the biomass of chlorella sp for biodiesel. For this, physical properties such as pH, temperature, CO2 flow and chemical properties such as the use of micronutrients and macronutrients in the growth medium of microalgae Chlorel...Show More
From strain to extraction - A review to produce biodiesel from microalgae in Bangladesh
Shitab Ishmam;Wasel-Ur-Rahman;Shabab Bin Karim;Sayedus Salehin;A. K. M. Sadrul Islam
2016 4th International Conference on the Development in the in Renewable Energy Technology (ICDRET)
Year: 2016 | Conference Paper |
Cited by: Papers (1)
Fossil fuel energy resources are unsustainable. World reserves are gradually depleting and the greenhouse gas emissions associated with their use are contributing to global warming. Therefore, there are vigorous research initiatives all aimed at developing alternative fuel resources that are both sustainable and carbon neutral. Based on contemporary research, third generation biofuels derived from...Show More
Biodiesel production from freshwater algae in Qaraoun Lake in Lebanon
International Conference on Renewable Energies for Developing Countries 2014
Year: 2014 | Conference Paper |
With the increasing demand for energy, dwindling oil reserves and global warming, the current fossil fuel based mechanical power and electricity has caused severe environmental degradation and energy shortage. Renewable, non-polluting and biodegradable energy sources must be adopted. Producing biodiesel from algae which represents the third bio-energy feedstock appears to be the most straightforwa...Show More
Molecular dynamics study on the effects of varying temperature and pressure on phosphatidylcholine lipids for microalgae drying
Melsa Rose D. Ducut;Al Rey Villagracia;Jennifer Corpuz;Nelson B. Arboleda;Melanie Y. David;Robby B. Manrique;Aristotle T. Ubando;Alvin B. Culaba
2014 International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment and Management (HNICEM)
Year: 2014 | Conference Paper |
Cited by: Papers (6)
In pursuit of finding a more suitable way of drying microalgae that would require less energy input which will consequently lessen the production cost, a study was conducted to investigate the migration of water molecules across a cell membrane of microalgae. Molecular Dynamics simulations using GROMACS software were utilized to obtain a molecular model of a cell membrane. The membrane model was c...Show More
An Algorithm for The Quantification of Lipids, Collagen and Muscle Cells in Coronary Arteries Based on Digital Image Processing
2018 IEEE XXV International Conference on Electronics, Electrical Engineering and Computing (INTERCON)
Year: 2018 | Conference Paper |
The present study presents a method to quantify lipids, collagen and muscle cells, to help diagnose atherosclerosis using digital image processing techniques. The relative concentrations of these three indicators are crucial in diagnosing atherosclerosis in patients. Digital image processing techniques such as object detection, color enhancement, and shape and texture analysis were used to quantif...Show More
Reference free quantitative ultrasound classification of fatty liver
2019 IEEE International Ultrasonics Symposium (IUS)
Year: 2019 | Conference Paper |
Cited by: Papers (6)
The backscatter coefficient (BSC) describes the scattering properties of a medium and can be used to characterize tissue, such as fatty liver. To calculate the BSC, a calibration spectrum is needed, which can be acquired using a reference phantom method before or after the clinical scanning procedure is complete. This requires yet another scanning procedure that can disrupt the busy clinical flow....Show More
Research of Influence of Ultrasound on Allocation from the Soya of the Grade «Altom» Lipid Fraction and Lecithin
Yuriy A. Koshelev;Marina E. Lamberova;Anna A. Lamberova;Tamara I. Voynarovskaya
2007 8th Siberian Russian Workshop and Tutorial on Electron Devices and Materials
Year: 2007 | Conference Paper |
Cited by: Papers (1)
One of modern methods of an intensification extraction is ultrasonic processing. It is necessary to consider, that on the one hand the ultrasound can change activity of enzymes lipid exchange, with another - can promote destruction of components lipid to fraction. The Maximum quantity total lipids has been taken at ultrasound (IS) - processing by capacity 80 W within 10 minutes. The increase in ac...Show More
Utilization ultrasonic to increase the efficiency of oil extraction for microalgae indigenous isolates from pond gresik, east java
2011 IEEE Conference on Clean Energy and Technology (CET)
Year: 2011 | Conference Paper |
Cited by: Papers (3)
The prospect of microalgae biomass as biodiesel is a renewable energy to substitute for petroleum. Identification of microalgae indigenous from Gresik ponds, East Java are 29 species, and at Biological laboratory, Science Faculty, UM was able to isolate 10 species. Among the isolated, there are 2 species that faster growth rate, Chlorella vulgaris and Spirogyra sp. Generally, extraction of oil fro...Show More
Researching of ultrasonic influence on callus formation, contents of lipid fraction, lecithin, on activity of lipaza in extracts from the native soybean of the grade ≪Altom≫ and in culture of cells and tissues in vitro
2008 9th International Workshop and Tutorials on Electron Devices and Materials
Year: 2008 | Conference Paper |
For a soybean of a grade Altom at introduction in culture of cells and fabrics explants from germinal leaflets of beans and its further duplication it has been shown, that peak efficiency of sterilization and the subsequent callus forming were observed at two variants of explants processing: US without chemical processing, or 70%-th ethanol without US. The gain of a biomass received soybean callus...Show More
Fermentation of Non-Edible Lipids using Agro-Industrial Residues (AIRs) for Biodiesel Production by Rhodotorular paludigena CM33
Cheeranan Sriphuttha;Pailin Boontawan;Mariena Ketudat-Cairns;Apichat Boontawan
2023 International Conference on Power and Renewable Energy Engineering (PREE)
Year: 2023 | Conference Paper |
In this work, various AIRs including crude glycerol, cassava waste water, and dilute acid hydrolysate of sugarcane bagasse were utilized as carbon sources for the lipid production by R. paludigena CM33. The experimental results demonstrated that crude glycerol was the most efficient carbon source in terms of lipid production. A pilot scale fermentation was conducted in a 500-L bioreactor to produc...Show More
Course-grained molecular dynamics investigation on the effects of uniform electric field on DPPC lipid bilayer: With and without vacuum space
John Isaac Enriquez;Al Rey Villagracia;Joaquin Lorenzo Moreno;Nelson Arboleda;Melanie David;Aristotle Ubando;Hui Lin Ong;Alvin Culaba;Joel Cuello
One of the potential ways to decrease the cost of extraction of microalgae products is through the use of high-voltage electrical pulses to electroporate cell membranes. At present, its applicability on industrial scale has yet to be demonstrated. Molecular-level understanding of the electroporation on lipid membranes is needed to optimize the treatment parameters. In this study, the effects of un...Show More
Complex edge extraction and plaque recognition of intravascular ultrasound images based on multi-task learning
2023 8th International Conference on Intelligent Computing and Signal Processing (ICSP)
Year: 2023 | Conference Paper |
Intravascular ultrasound (IVUS) can accurately reflect the nature, severity and pathological composition of cardiovascular diseases. It is considered as a new "Gold standard" for the detection of cardiovascular diseases. IVUS image edge extraction and plaque recognition are the basis of the Quantitative analysis of atherosclerotic plaque, and are also valuable for the qualitative study of subseque...Show More
A Methodology for Improving Tear Film Lipid Layer Classification
Beatriz Remeseiro;Veronica Bolon-Canedo;Diego Peteiro-Barral;Amparo Alonso-Betanzos;Bertha Guijarro-Berdiñas;Antonio Mosquera;Manuel G. Penedo;Noelia Sánchez-Maroño
Dry eye is a symptomatic disease which affects a wide range of population and has a negative impact on their daily activities. Its diagnosis can be achieved by analyzing the interference patterns of the tear film lipid layer and by classifying them into one of the Guillon categories. The manual process done by experts is not only affected by subjective factors but is also very time consuming. In t...Show More
Effect of structural and dynamical properties of lipid bilayer on water permeation studied using course-grained molecular dynamics simulation
John Isaac Enriquez;Al Rey Villagracia;Joaquin Lorenzo Moreno;Nelson Arboleda;Melanie David;Aristotle Ubando;Alvin Culaba;Joel Cuello
The greatest challenge in commercialization of microalgae products is the reduction of the overall cost of extraction. An understanding of the exact mechanism of water permeation across cell membrane will improve the current extraction methods and may possibly lead to the development of new technology. Molecular dynamics calculations using GROMACS software and MARTINI force field were performed to...Show More
The effect of temperature on the lipid oxidation of coix seed
2011 International Conference on New Technology of Agricultural
Year: 2011 | Conference Paper |
the acid value, peroxide value (POV), and thiobarbituric acid reactive substance (TBARS) of coix seed stored at different temperature for different period were determined. And the volatiles were identified with SPME-GC-MS. Coix seed is liable to oxidation, the acid value increased fast in 2 weeks, the POV increased fast in 4 weeks, even stored at 4°C. The main volatiles identified were pentanal, 1...Show More
In-vivo study of quantitative ultrasound parameters in fatty rabbit livers
2017 IEEE International Ultrasonics Symposium (IUS)
Year: 2017 | Conference Paper |
Nonalcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease and can often lead to fibrosis, cirrhosis, cancer and complete liver failure. Liver biopsy is the current standard of care to quantify hepatic steatosis, but it comes with increased patient risk and only samples a small portion of the liver. Imaging approaches to assess NAFLD include proton density fat fract...Show More
Effects of low temperatures on the fatty acid composition of Hepialus jianchuanensis larvae
2010 3rd International Conference on Biomedical Engineering and Informatics
Year: 2010 | Conference Paper |
Cited by: Papers (2)
The larvae of Hepialus insects are the host of Ophiocordyceps (Berkeley) Saccardo with extreme cold- tolerance. The fatty acid composition of the whole caterpillar was determined by gas chromatography- mass spectrometer (GC- MS) after the sixth instar larvae of Hepialus jianchuanensis were exposed to low temperatures. The result indicated that the contents of total lipids and unsaturated fatty aci...Show More
A Comprehensive Review of Biofuel and Bioplastic Production from Microalgae
Maysaa Basbous;Jihane Rahbani El-Mounsef;Jihad El Hokayem;Hadi Y. Kanaan
2024 IEEE 22nd Mediterranean Electrotechnical Conference (MELECON)
Year: 2024 | Conference Paper |
Environmental pollution is a rising issue that threatens the life of all the living beings on Earth. This issue arises from the combustion of fossil fuels, which emit harmful gases in a phenomenon known as the greenhouse gas effect. These gases can affect the air, the water, and the land in a direct or indirect way. The continuous depletion of fossil fuels, and their associated harmful emissions, ...Show More
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