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Updated: Jun 28, 2025

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在深海沟区域内,地氧吸收和细菌四乙烯脂质之间存在强烈的联系

Wenjie Xiao1,2,3, Yunping Xu4, Donald E Canfield5,6

  • 1Department of Biology, HADAL & Nordcee, University of Southern Denmark, 5230, Odense M, Denmark. wjxiaocug@126.com.

Nature communications
|April 23, 2024
PubMed
概括

在深海沉积物中的分支甘油二甲基甘油四乙烯 (brGDGTs) 与氧气条件相关. 这项研究建立了一种使用brGDGTs来量化海洋环境中盆地扩散氧吸收 (DOU) 的新方法.

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Oxygen Transport in the Blood01:27

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Hemoglobin (Hb) is a crucial molecule in the human body, consisting of four polypeptide chains, each bound to an iron-containing heme group. This unique structure enables hemoglobin to bind to oxygen, with each molecule capable of combining with four molecules of oxygen, leading to rapid and reversible oxygen loading. When fully loaded with oxygen, it is called oxyhemoglobin, while hemoglobin that has released oxygen is called reduced hemoglobin or deoxyhemoglobin. As hemoglobin binds oxygen,...
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