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Low Field NMR Relaxometry Characterization of Water Adsorption in Corn Stover Anatomical Fractions
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2024-11-07 , DOI: 10.1021/acssuschemeng.4c05868
Matthew C. Young, Sarah L. Codd, Evan R. McCarney, Joseph D. Seymour

Low magnetic field 2 MHz NMR relaxometry is applied to measure water adsorption processes of intact corn stover anatomical fractions. Comparison with high magnetic field 250 MHz relaxometry of milled corn stover fractions as a function of water activity, i.e., relative humidity, provides insight into the microstructural changes of the biomass and varying water molecular dynamics during adsorption. The data presented establish a basis for low field portable NMR of biomass in situ in field and processing environments.

中文翻译:


玉米秸秆解剖组分中水分吸附的低场 NMR 弛豫法表征



低磁场 2 MHz NMR 弛豫法用于测量完整玉米秸秆解剖部分的水吸附过程。与高磁场 250 MHz 弛豫测量法相比,碾碎玉米秸秆馏分与水活性(即相对湿度)的关系,可以深入了解生物质的微观结构变化和吸附过程中水分子动力学的变化。所提供的数据为在田间和加工环境中对生物质进行原位低场便携式 NMR 奠定了基础。
更新日期:2024-11-07
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