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- W4319937639 abstract "The characterization of individual peaks in NMR spectra is an important but challenging step in the investigation of complex biomolecular systems. The major challenge arises due to peak identification which, conventionally, occurs prior to peak characterization. Unluckily, the identification of uncharacterized peaks is highly problematic because of noise and, most importantly, substantial overlap with nearby peaks. For this reason, often the analysis of NMR spectra proceeds by first relying on experts’ opinion to identify peaks and subsequent parameter fitting. Mathematically, peak identification is a problem of model selection and, within a nonparametric analysis framework, can be avoided altogether, this way eliminating the need for experts’ input. In this study, we apply Bayesian nonparametric statistics to develop a comprehensive mathematical framework for automated peak identification and characterization. Our approach relies on advanced statistical representations of FIDs and allows for: simultaneous identification and characterization of individual peaks in an NMR spectrum, accurate noise deconvolution, and extensions to multidimensional NMR or incorporation of specialized protocols. We show that our methods can correctly identify and characterize overlapping peaks without user input. We benchmark our analyses against ground truth peak characteristics using synthetic as well as experimental datasets." @default.
- W4319937639 created "2023-02-11" @default.
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- W4319937639 date "2023-02-01" @default.
- W4319937639 modified "2023-09-25" @default.
- W4319937639 title "Fully automated analysis of NMR data with Bayesian nonparametric statistical learning" @default.
- W4319937639 doi "https://doi.org/10.1016/j.bpj.2022.11.922" @default.
- W4319937639 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36782643" @default.
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