Identification of a C25 highly branched isoprenoid (HBI) diene in Antarctic sediments, Antarctic sea-ice diatoms and cultured diatoms

被引：60
作者：
Johns, L
Wraige, EJ
Belt, ST
Lewis, CA
Massé, G
Robert, JM
Rowland, SJ
机构：
[1] Univ Plymouth, Dept Environm Sci, Petr & Environm Geochem Grp, Plymouth PL4 8AA, Devon, England
[2] Univ Nantes, Fac Sci & Tech, ISOMer, F-44027 Nantes 03, France
来源：
ORGANIC GEOCHEMISTRY | 1999年 / 30卷 / 11期
关键词：
HBI; alkenes; sea-ice diatom; Haslea ostrearia; Antarctic sediments; McMurdo sound; Bransfield Strait; isoprenoid;
D O I：
10.1016/S0146-6380(99)00112-6
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
A highly branched isoprenoid (HBI) diene found in Antarctic sea-ice diatoms and surface layer (0-2 cm) sediments from Antarctica is identified as 2,10,14-trimethyl-6-methylene-7-(3'-methylpent-1-enyl)pentadecane. The identification was made by comparison of GC-MS mass spectra and retention indices on both polar and apolar GC stationary phases with those of the diene authenticated by NMR after isolation from a laboratory culture of the diatom, Haslea ostrearia. (C) 1999 Elsevier Science Ltd. All rights reserved.
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收藏
页码：1471 / 1475
页数：5
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