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High-Throughput Analysis of Algal Crude Oils Using High Resolution Mass Spectrometry

TitleHigh-Throughput Analysis of Algal Crude Oils Using High Resolution Mass Spectrometry
Publication TypeJournal Article
Year of Publication2013
AuthorsLee, YJ, Leverence, RC, Smith, EA, Valenstein, JS, Kandel, K, Trewyn, BG
JournalLipids
Volume48
Pagination297-305
Date Published03
Type of ArticleArticle
ISBN Number0024-4201
Accession NumberWOS:000315274400009
KeywordsAnalytical chemistry, Analytical techniques, biodiesel, delivery-system, fatty-acids, feedstock, ionization, lipids, Mass spectrometry (MS), microalgae, nanoparticles, responsive controlled-release, sequestration
Abstract

protocol to monitor various lipid classes in algal crude oils. Atmospheric pressure chemical ionization was determined to be most effective for this purpose to cover a wide range of lipid classes. With an autosampler-LC pump set-up, we could analyze algal crude samples every one and half minutes, monitoring several lipid species such as TAG, DAG, squalene, sterols, and chlorophyll a. High-mass resolution and high-mass accuracy of the orbitrap mass analyzer provides confidence in the identification of these lipid compounds. MS/MS and MS3 analysis could be performed in parallel for further structural information, as demonstrated for TAG and DAG. This high-throughput method was successfully demonstrated for semi-quantitative analysis of algal oils after treatment with various nanoparticles.

DOI10.1007/s11745-013-3757-7
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