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.

引用

页码：1471 / 1475

页数：5

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