{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["126(41)"],"submitter":["Shimon D"],"pubmed_abstract":["We use microwave-induced dynamic nuclear polarization (DNP) of the substitutional nitrogen defects (P1 centers) in diamond to hyperpolarize bulk <sup>13</sup>C nuclei in both single crystal and powder samples at room temperature at 3.34 T. The large (>100-fold) enhancements demonstrated correspond to a greater than 10 000-fold improvement in terms of signal averaging of the 1% abundant <sup>13</sup>C spins. The DNP was performed using low-power solid state sources under static (nonspinning) conditions. The DNP spectrum (DNP enhancement as a function of microwave frequency) of diamond powder shows features that broadly correlate with the EPR spectrum. A well-defined negative Overhauser peak and two solid effect peaks are observed for the central (<i>m</i> <sub><i>I</i></sub> = 0) manifold o"],"journal":["The journal of physical chemistry. C, Nanomaterials and interfaces"],"pagination":["17777-17787"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9589901"],"repository":["biostudies-literature"],"pubmed_title":["Large Room Temperature Bulk DNP of <sup>13</sup>C via P1 Centers in Diamond."],"pmcid":["PMC9589901"],"pubmed_authors":["Joseph L","Williams EQ","Ramanathan C","Cantwell KA","Takahashi S","Shimon D","Peng Z"],"additional_accession":[]},"is_claimable":false,"name":"Large Room Temperature Bulk DNP of <sup>13</sup>C via P1 Centers in Diamond.","description":"We use microwave-induced dynamic nuclear polarization (DNP) of the substitutional nitrogen defects (P1 centers) in diamond to hyperpolarize bulk <sup>13</sup>C nuclei in both single crystal and powder samples at room temperature at 3.34 T. The large (>100-fold) enhancements demonstrated correspond to a greater than 10 000-fold improvement in terms of signal averaging of the 1% abundant <sup>13</sup>C spins. The DNP was performed using low-power solid state sources under static (nonspinning) conditions. The DNP spectrum (DNP enhancement as a function of microwave frequency) of diamond powder shows features that broadly correlate with the EPR spectrum. A well-defined negative Overhauser peak and two solid effect peaks are observed for the central (<i>m</i> <sub><i>I</i></sub> = 0) manifold o","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Oct","modification":"2025-04-04T23:19:53.51Z","creation":"2025-04-04T23:19:53.51Z"},"accession":"S-EPMC9589901","cross_references":{"pubmed":["36304670"],"doi":["10.1021/acs.jpcc.2c06145"]}}