A Micro-manipulation Technique for the Purification of Diatoms for Isotope and Geochemical Analysis
A Micro-manipulation Technique for the Purification of Diatoms for Isotope and Geochemical Analysis
复制标题
用于同位素和地球化学分析的硅藻纯化的微操作技术
DOI:
10.1007/s12633-012-9115-1
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发表时间:
2012
期刊:
影响因子:
3.4
通讯作者:
Snelling A
中科院分区:
文献类型:
--
作者:
Snelling A
A method is described for the purification and extraction of diatom samples for isotope and geochemical analysis. The technique involves a micro-manipulator attached to an inverted microscope with a cellular micro-injector system used to remove contaminants or separate assemblages into single-species samples. Whilst time consuming, the advances associated with this technique, eliminating issues related to contamination and the impact of species-dependent fractionation factor/isotopic effect, allows ultra-clean as well as species and/or size specific diatom samples to be analysed in palaeoenvironmental research down to seasonal timescale resolution. By further altering the inner dimensions of the commercially available capillary tubes, (3.5–150 $\upmu $m) this technique can be extended for use with other microfossils including radiolaria (30 $\upmu $m to 1 mm), pollen (6–100 $\upmu $m) and phytolith samples (1–200 $\upmu $m).
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通讯作者:
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DOI:
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发表时间:
--
期刊:
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作者:
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通讯作者:
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