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Analysis of Small-Molecule Mixtures by Super-Resolved ¹H NMR Spectroscopy.

ABSTRACT: Analysis of small molecules is essential to metabolomics, natural products, drug discovery, food technology, and many other areas of interest. Current barriers preclude from identifying the constituent molecules in a mixture as overlapping clusters of NMR lines pose a major challenge in resolving signature frequencies for individual molecules. While homonuclear decoupling techniques produce much simplified pure shift spectra, they often affect sensitivity. Conversion of typical NMR spectra to pure shift spectra by signal processing without a priori knowledge about the coupling patterns is essential for accurate analysis. We developed a super-resolved wavelet packet transform based ¹H NMR spectroscopy that can be used in high-throughput studies to reliably decouple individual constituents of small molecule mixtures. We demonstrate the efficacy of the method on the model mixtures of saccharides and amino acids in the presence of significant noise.

SUBMITTER: Sinha Roy A

PROVIDER: S-EPMC10228708 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature

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Analysis of Small-Molecule Mixtures by Super-Resolved 1H NMR Spectroscopy.

Sinha Roy Aritro A Srivastava Madhur M

The journal of physical chemistry. A 20221122 48

Analysis of small molecules is essential to metabolomics, natural products, drug discovery, food technology, and many other areas of interest. Current barriers preclude from identifying the constituent molecules in a mixture as overlapping clusters of NMR lines pose a major challenge in resolving signature frequencies for individual molecules. While homonuclear decoupling techniques produce much simplified pure shift spectra, they often affect sensitivity. Conversion of typical NMR spectr ...[more]

PMID: 36413171

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