A Single-Scan Inhomogeneity-Tolerant NMR Method for High-Resolution 2D J-Resolved Spectroscopy

Haolin Zhan, Xiaoqing Lin, Zhiliang Wei, Qimiao Ye, Shuhui Cai, Xueqiu You, Yuqing Huang, Zhong Chen

Research output: Contribution to journalArticle

Abstract

Objective: A robust and general single-scan NMR method, SGEN-J, is proposed for real-time recording high-resolution 2D homonuclear J-resolved spectra under inhomogeneous magnetic fields. Methods: This proposed NMR method is designed based on the combination of a selective gradient encoding module to encode chemical shifts with spatial positions, and a J-modulation decoding module to reveal encoded structural information. Multi-band SGEN-J is further implemented to effectively enhance spectral sensitivity with sustained tolerance of field inhomogeneity. Results: The SGEN-J provides an effective way to rapidly recover chemical shifts, J coupling constants, and multiplet patterns under inhomogeneous magnetic fields. Experiments on various chemical solutions were performed to demonstrate the feasibility and effectiveness of SGEN-J. Experiments on pig marrow tissues were performed to further investigate the applicability of SGEN-J to biological samples with intrinsic susceptibility variations. Conclusion: Based on intrinsic advantages, SGEN-J serves as a helpful complement to existing 2D J-resolved methodologies in molecular structure elucidation and biomedical study, and offer bright perspectives for real-time analyzing in vivo biological systems and monitoring in situ chemical reactions.

Original languageEnglish (US)
JournalIEEE Transactions on Biomedical Engineering
DOIs
StateAccepted/In press - Jan 1 2018

Fingerprint

Chemical shift
Nuclear magnetic resonance
Spectroscopy
Magnetic fields
Biological systems
Molecular structure
Decoding
Chemical reactions
Experiments
Modulation
Tissue
Monitoring

Keywords

  • 2D homonuclear J-resolved spectra
  • biological detection
  • Chemicals
  • Couplings
  • Decoding
  • Encoding
  • inhomogeneous magnetic fields
  • NMR spectroscopy
  • Nonhomogeneous media
  • Nuclear magnetic resonance
  • single scan
  • Two dimensional displays

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

A Single-Scan Inhomogeneity-Tolerant NMR Method for High-Resolution 2D J-Resolved Spectroscopy. / Zhan, Haolin; Lin, Xiaoqing; Wei, Zhiliang; Ye, Qimiao; Cai, Shuhui; You, Xueqiu; Huang, Yuqing; Chen, Zhong.

In: IEEE Transactions on Biomedical Engineering, 01.01.2018.

Research output: Contribution to journalArticle

Zhan, Haolin ; Lin, Xiaoqing ; Wei, Zhiliang ; Ye, Qimiao ; Cai, Shuhui ; You, Xueqiu ; Huang, Yuqing ; Chen, Zhong. / A Single-Scan Inhomogeneity-Tolerant NMR Method for High-Resolution 2D J-Resolved Spectroscopy. In: IEEE Transactions on Biomedical Engineering. 2018.
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