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Title: Lipid releasing characteristics of microalgae species through continuous ultrasonication
Authors: Natarajan, Ramya
Ang, Wei Ming Russell
Chen, Xue
Voigtmann, Michael
Lau, Raymond
Keywords: DRNTU::Engineering::Chemical engineering::Biochemical engineering
Issue Date: 2014
Source: Natarajan, R., Ang, W. M. R., Chen, X., Voigtmann, M., & Lau, R. (2014). Lipid releasing characteristics of microalgae species through continuous ultrasonication. Bioresource technology, 158, 7-11.
Series/Report no.: Bioresource technology
Abstract: In this study, the lipid releasing characteristics of several microalgae species through continuous ultrasonication was examined. Two marine microalgae species, Tetraselmis suecica and Nannochloropsis sp., and one freshwater species, Chlorella sp. were ultrasonicated directly after cultivation. The cell disruption efficiency and lipids releasing pattern from microalgae cells were measured under various ultrasonication conditions. It was found that cell disruption efficiency correlates well with ultrasonication energy consumption despite the ultrasonication conditions. Lipids in Chlorella sp. that has rigid cell walls were released to the aqueous phase after cell disruption. Tetraselmis suecica and Nannochloropsis sp. that have flexible cell membranes tend to coil up and retain the membrane lipids after disruption. Continuous ultrasonication can be a potential method to release the lipids in rigid walled microalgae species without expensive dewatering steps.
ISSN: 0960-8524
DOI: 10.1016/j.biortech.2014.01.146
Rights: © 2014 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Bioresource Technology, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [Article DOI:].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:ERI@N Journal Articles
SCBE Journal Articles

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