Analysis of human urine metabolites using SPE and NMR spectroscopy

Analysis of human urine metabolites using SPE and NMR spectroscopy
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使用 SPE 和 NMR 光谱分析人尿液代谢物

DOI:
10.1007/s11426-008-0031-6
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发表时间:
2008-03
影响因子:
9.6
通讯作者:
--
中科院分区:
化学1区
文献类型:
--
作者:

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代谢组/代谢组的核磁共振光谱分析在生物医学研究中有着广泛的应用。然而,尿代谢物的大部分核磁共振波谱仍未完全归属。本研究用C18固相萃取法对两名健康志愿者的尿液样品进行了一维和二维核磁共振研究,包括1H J分辨、1H-1H COSY、1H-1H TOCSY、1H-13C HSQC和HMBC 2D核磁共振。鉴定了70多种低分子代谢物,并对包括许多复杂的耦合自旋系统在内的~1H和~(13)C共振进行了完整的归属。
Nuclear magnetic resonance (NMR) spectroscopic analysis of metabonome/metabolome has wide-spread applications in biomedical science researches. However, most of NMR resonances for urinary metabolites remain to be fully assigned. In the present study, human urine samples from two healthy volunteers were pre-treated with C18 solid-phase extraction and the resultant 5 sub-fractions were subjected to one-and two-dimensional NMR studies, including1H J-Resolved,1H-1H COSY,1H-1H TOCSY,1H-13C HSQC, and HMBC 2D NMR. More than 70 low molecular weight metabolites were identified, and complete assignments of1H and13C resonances including many complex coupled spin systems were obtained.
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发表时间: 2006-02-13
影响因子: 3.4
作者:
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发表时间: 2006-06
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