ArticleBiochemistry2018
Dynamic Nuclear Polarization Nuclear Magnetic Resonance in Human Cells Using Fluorescent Polarizing Agents.
Article in Biochemistry, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.
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Who cites it
39 citing papers in PubMed.
- Bimodal Cholesterol for Correlative In-Cell DNP Solid-State NMR and Confocal Microscopy of the Plasma Membrane.Journal of the American Chemical Society · 2026Article
- Targeted NMR signal enhancement of RNA by site-directed bis-nitroxide labeling.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- DNP enhanced solid-state NMR of lattice-like microcrystalline protein assemblies facilitated by co-assembly with dinitroxide-tagged proteins.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2026Article
- Pushing Sensitivity and Specificity Limits in Native Structural Biology:Journal of the American Chemical Society · 2025Article
- 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
- A DNP-Supported Solid-State NMR Approach to Study Nucleic Acids In Situ Reveals Berberine-Stabilized Hoogsteen Structures in Mitochondria.Angewandte Chemie (International ed. in English) · 2025Article
- Stability of the polarization agent AsymPolPOK in intact and lysed mammalian cells.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2025Article
- 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
- Characterization of dielectric properties and their impact on MAS-DNP NMR applications.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2024Article
- DNP-assisted solid-state NMR enables detection of proteins at nanomolar concentrations in fully protonated cellular milieu.Journal of biomolecular NMR · 2024Article
- A high-field cellular DNP-supported solid-state NMR approach to study proteins with sub-cellular specificity.Chemical science · 2023Article
- Polarizing agents for efficient high field DNP solid-state NMR spectroscopy under magic-angle spinning: from design principles to formulation strategies.Chemical science · 2023Review
- Spin Hyperpolarization in Modern Magnetic Resonance.Chemical reviews · 2023Review
- Amplified Overhauser DNP with Selective Deuteration: Attenuation of Double-Quantum Cross-Relaxation.The journal of physical chemistry letters · 2023Article
- Cryogenic-compatible spherical rotors and stators for magic angle spinning dynamic nuclear polarization.Magnetic resonance (Gottingen, Germany) · 2023Article
- A Comparative Study of Nitroxide-Based Biradicals for Dynamic Nuclear Polarization in Cellular Environments.Chembiochem : a European journal of chemical biology · 2022Article
- Highly bioresistant, hydrophilic and rigidly linked trityl-nitroxide biradicals for cellular high-field dynamic nuclear polarization.Chemical science · 2022Article
- Design Principles for the Development of Gd(III) Polarizing Agents for Magic Angle Spinning Dynamic Nuclear Polarization.The journal of physical chemistry. C, Nanomaterials and interfaces · 2022Article
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Authors and funding
8 authors.
Funding
Abstract
Solid state nuclear magnetic resonance (NMR) enables atomic-resolution characterization of the molecular structure and dynamics within complex heterogeneous samples, but it is typically insensitive. Dynamic nuclear polarization (DNP) increases the NMR signal intensity by orders of magnitude and can be performed in combination with magic angle spinning (MAS) for sensitive, high-resolution spectroscopy. Here we report MAS DNP experiments, for the first time, within intact human cells with >40-fold DNP enhancement and a sample temperature of <6 K. In addition to cryogenic MAS results at <6 K, we also show in-cell DNP enhancements of 57-fold at 90 K. In-cell DNP is demonstrated using biradicals and sterically shielded monoradicals as polarizing agents. A novel trimodal polarizing agent is introduced for DNP, which contains a nitroxide biradical, a targeting peptide for cell penetration, and a fluorophore for subcellular localization with confocal microscopy. The fluorescent polarizing agent provides in-cell DNP enhancements of 63-fold at a concentration of 2.7 mM. These experiments pave the way for structural characterization of biomolecules in an endogenous cellular context.
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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.