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GC-MS analysis of long chain alkyl diols and hydroxy alkenoates in surface sediment from the Northwest Pacific off the coast of Sanriku and culture samples of diatom Proboscia alata (Supplementary Information)

journal contribution
posted on 2024-03-31, 12:46 authored by Kotaro Hoshi, Madoka Kobayashi, Akira Kuwata, Ken Sawada

Long-chain (C28, C30, and C32) alkyl diols (LCD) in marine sediments are considered to originate from marine diatom genus Proboscia and Eustigmatophytes. LCD has been proposed as a proxy for upwelling, riverine input and sea surface temperature, but has not yet been applied much to palaeoceanographic studies. Long-chain (C27 and C29) hydroxy alkenoates such as 12-hydroxy methyl alkanoate (MA) were found in marine sediments and also derived from diatom Proboscia. In this study, we analyzed LCD and 12-OH MA in surface sediment from the Northwest Pacific off the coast of Sanriku and Proboscia alata culture sample. We identified monosaturated and saturated 1,13-, 1,14-, and 1,15-diols, as well as saturated 12-OH MA.

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Article DOI

https://doi.org/10.20612/rog.39.2_69

Corresponding author email address

souryuu1223@eis.hokudai.ac.jp

Title (in Japanese)

北西太平洋三陸沖の表層堆積物および珪藻 Proboscia alata 培養試料における長鎖アルキルジオール・ヒドロキシアルケノエイトの GC-MS 分析 (Supplimentary Information)

Description (in Japanese)

北西太平洋三陸沖の表層堆積物および珪藻 Proboscia alata 培養試料における長鎖アルキルジオール・ヒドロキシアルケノエイトの GC-MS 分析 (Supplimentary Information)

Manuscript title (in Japanese)

北西太平洋三陸沖の表層堆積物および珪藻 Proboscia alata 培養試料における長鎖アルキルジオール・ヒドロキシアルケノエイトの GC-MS 分析

Authors (in Japanese)

星 恒太郎, 小林 まどか, 桑田 晃, 沢田 健

Copyright

© 2024 The Japanese Association of Organic Geochemists

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