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49 / 2023-08-30 09:03:21
Few-Gradients-Based Qualitative Analysis for Diffusion-Ordered NMR Spectroscopy
NMR,Diffusion-Ordered Spectroscopy,Clustering,Diffusion
Special Sessions > SS09 - Advanced Acoustic and Vibration Measurement Techniques and Applications in the Fault Diagnosis of Industrial Equipment
Final Paper
Enping Lin / Xiamen University
Liubin Wu / Xiamen University
Yu Yang / Xiamen University
Zhong Chen / Xiamen University
Diffusion-Ordered NMR Spectroscopy (DOSY) is a powerful tool for mixture analysis and plays a pivotal role in biochemistry. However, the experimental time increases according to the number of encoding gradients. The existing methods are technically based on quantitative retrieval of diffusion coefficients to virtually separate components, which normally requires tens of encoding gradients for sufficiently accurate retrieval. In this work, we propose a new concept of DOSY processing named Cluster-DOSY, where molecular components are separated by qualitatively classifying decay signals based on their similarities. With the proposed qualitative analysis tool, we can separate the molecular components from DOSY data encoded by only three gradients. Experiments demonstrate that Cluster-DOSY leads to a more robust separation result than the existing quantitative methods in the case of only a few encoding gradients.

 
Important Date

  • Conference Date

    Nov 02

    2023

    to

    Nov 04

    2023

  • Dec 15 2023

    Draft paper submission deadline

  • Dec 20 2023

    Registration deadline

Sponsored By
IEEE Instrumentation and Measurement Society
Xidian University
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