ArticleChembiochem : a European journal of chemical biology2022
A Comparative Study of Nitroxide-Based Biradicals for Dynamic Nuclear Polarization in Cellular Environments.
Article in Chembiochem : a European journal of chemical biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Systematic Evaluation of Polarizing Agents for Dynamic Nuclear Polarization Enhanced NMR.Angewandte Chemie (International ed. in English) · 2025Article
- Spatially resolved DNP-assisted NMR illuminates the conformational ensemble of α-synuclein in intact viable cells.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Stability of the polarization agent AsymPolPOK in intact and lysed mammalian cells.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2025Article
- Dipolar Recoupling in Rotating Solids.Chemical reviews · 2024Review
- An Efficient and Stable Polarizing Agent for In-Cell Magic-Angle Spinning Dynamic Nuclear Polarization NMR Spectroscopy.The journal of physical chemistry letters · 2024Article
- Stability of the polarization agent AsymPolPOK in intact and lysed mammalian cells.bioRxiv : the preprint server for biology · 2024Article
- Expanding the tool box for native structural biology:Science advances · 2024Article
- Polarizing agents for efficient high field DNP solid-state NMR spectroscopy under magic-angle spinning: from design principles to formulation strategies.Chemical science · 2023Review
- A Comparative Study of Nitroxide-Based Biradicals for Dynamic Nuclear Polarization in Cellular Environments.Chembiochem : a European journal of chemical biology · 2022Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
Dynamic nuclear polarization (DNP) is a powerful tool to enhance the NMR signals of molecules by transferring polarization from unpaired electron spins to nuclei through microwave irradiation. The resulting signal enhancements can enable the analysis of samples that have previously been intractable by NMR spectroscopy, including proteins, nucleic acids, and metabolites in cells. To carry out DNP, the sample is doped with a polarization agent, a biradical containing two nitroxide moieties. DNP applications in cells, however, present significant challenges as nitroxides are often susceptible to the reducing cellular environment. Here, we introduce a novel polarization agent, POPAPOL, that exhibits increased lifetimes under reducing conditions. We also compare its bioresistance and DNP performance with three popular, commercially available polarization agents. Our work indicates that pyrrolidine-based nitroxides can outperform piperidine-based nitroxides in cellular environments, and that future polarization agent designs must carefully balance DNP performance and stability for cellular applications.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.