ArticleMolecules (Basel, Switzerland)2021
Gadolinium-Based Paramagnetic Relaxation Enhancement Agent Enhances Sensitivity for NUS Multidimensional NMR-Based Metabolomics.
Article in Molecules (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 8 citations in OpenAlex.
- Aromatic Residues in Mobile Regions Distal to the Active Site Support the Closed Conformation ofBiochemistry · 2026Article
- Aromatic residues in mobile regions distal to the active site support the closed conformation ofbioRxiv : the preprint server for biology · 2025Article
- Probing Biomolecular Interactions with Paramagnetic Nuclear Magnetic Resonance Spectroscopy.Chembiochem : a European journal of chemical biology · 2025Review
- Aldehyde-based Activation of C2α-lactylthiamin Diphosphate Decarboxylation on Bacterial 1-deoxy-d-xylulose 5-phosphate Synthase.Chembiochem : a European journal of chemical biology · 2024Article
- NMR Precision Metabolomics: Dynamic Peak Sum Thresholding and Navigators for Highly Standardized and Reproducible Metabolite Profiling of Clinical Urine Samples.Metabolites · 2024Article
- Practical Applications of NMR to Solve Real-World Problems.Molecules (Basel, Switzerland) · 2021Article
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5 authors at 1 institution in 1 country.
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Abstract
Gadolinium is a paramagnetic relaxation enhancement (PRE) agent that accelerates the relaxation of metabolite nuclei. In this study, we noted the ability of gadolinium to improve the sensitivity of two-dimensional, non-uniform sampled NMR spectral data collected from metabolomics samples. In time-equivalent experiments, the addition of gadolinium increased the mean signal intensity measurement and the signal-to-noise ratio for metabolite resonances in both standard and plasma samples. Gadolinium led to highly linear intensity measurements that correlated with metabolite concentrations. In the presence of gadolinium, we were able to detect a broad array of metabolites with a lower limit of detection and quantification in the low micromolar range. We also observed an increase in the repeatability of intensity measurements upon the addition of gadolinium. The results of this study suggest that the addition of a gadolinium-based PRE agent to metabolite samples can improve NMR-based metabolomics.
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