2D HSQC Chemical Shifts of Impurities from Biomass Pretreatment,ChemistrySelect

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2D HSQC Chemical Shifts of Impurities from Biomass Pretreatment
ChemistrySelect ( IF 1.9 ) Pub Date : 2020-03-19 , DOI: 10.1002/slct.202000406
Nathan Bryant ₁ , Chang G. Yoo ₂ , Yunqiao Pu ₃ , Arthur J. Ragauskas _{1,

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Affiliation

Two dimensional (2D) heteronuclear single quantum coherence (HSQC) nuclear magnetic resonance (NMR) is a powerful analytical method which can be used to elucidate the structure of biomass. During processing, biomass is typically subjected to some form of chemical treatment which can be performed with a variety of compounds. The presence of these compounds, even in trace amounts, has the potential to contaminate the sample and lead to misinterpretation of the HSQC spectra. Here we report the chemical shifts of 29 compounds commonly used in biomass processing which have the potential to contaminate the biomass samples and lead to the misinterpretation of peaks associated with biomass (Populus trichocarpa) pretreated via autohydrolysis. The identification of these chemical shifts could serve as a valuable tool in preventing errors in characterizing biomass via HSQC.

中文翻译：

生物质预处理对杂质的2D HSQC化学位移

二维（2D）异核单量子相干（HSQC）核磁共振（NMR）是一种强大的分析方法，可用于阐明生物质的结构。在加工过程中，通常会对生物质进行某种形式的化学处理，这些化学处理可以用多种化合物进行。这些化合物的存在，即使是微量的，也有可能污染样品并导致对HSQC光谱的误解。在这里，我们报告了29种通常用于生物质处理的化合物的化学位移，这些化合物可能会污染生物质样品并导致对与生物质相关的峰（胡杨（Populus trichocarpa））通过自动水解进行预处理。这些化学位移的识别可以作为防止通过HSQC表征生物质时出错的有价值的工具。

更新日期：2020-03-20

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