Matches in SemOpenAlex for { <https://semopenalex.org/work/W3207715497> ?p ?o ?g. }
- W3207715497 abstract "The efficacy in 1H Overhauser dynamic nuclear polarization in liquids at ultralow magnetic field (ULF, B0 = 92 ± 0.8 µT) and polarization field (Bp = 1-10 mT) was studied for a broad variety of 26 different spin probes. Among others, piperidine, pyrrolidine, and pyrroline radicals specifically synthesized for this study, along with some well-established commercially available nitroxides, were investigated. Isotope-substituted variants, some sterically shielded reduction-resistant nitroxides, and some biradicals were included in the measurements. The maximal achievable enhancement, Emax, and the radio frequency power, P1/2, needed for reaching Emax/2 were measured. Physico-chemical features such as molecular weight, spectral linewidth, heterocyclic structure, different types of substituents, deuteration, and 15N-labeling as well as the difference between monoradicals and biradicals were investigated. For the unmodified nitroxide radicals, the Emax values correlate with the molecular weight. The P1/2 values correlate with the spectral linewidth and are additionally influenced by the type of substituents neighboring the nitroxide group. The nitroxide biradicals with high intramolecular spin-spin coupling show low performance. Nitroxides enriched with 15N and/or 2H afford significantly higher |Emax| and require lower power to do so, compared to their unmodified counterparts containing at natural abundance predominantly 14N and 1H. The results allow for a correlation of chemical features with physical hyperpolarization-related properties and indicate that small nitroxides with narrow spectral lines have clear advantages for the use in Overhauser dynamic nuclear polarization experiments. Perdeuteration and 15N-labeling can be used to additionally boost the spin probe performance." @default.
- W3207715497 created "2021-10-25" @default.
- W3207715497 creator A5001577474 @default.
- W3207715497 creator A5010101341 @default.
- W3207715497 creator A5018383392 @default.
- W3207715497 creator A5019094265 @default.
- W3207715497 creator A5036553087 @default.
- W3207715497 creator A5041197447 @default.
- W3207715497 creator A5043658155 @default.
- W3207715497 creator A5044957586 @default.
- W3207715497 creator A5049016406 @default.
- W3207715497 creator A5051743746 @default.
- W3207715497 creator A5059110609 @default.
- W3207715497 creator A5062416269 @default.
- W3207715497 date "2021-10-12" @default.
- W3207715497 modified "2023-10-18" @default.
- W3207715497 title "The effects of nitroxide structure upon 1H Overhauser dynamic nuclear polarization efficacy at ultralow-field" @default.
- W3207715497 cites W1137914700 @default.
- W3207715497 cites W1964983089 @default.
- W3207715497 cites W1968233818 @default.
- W3207715497 cites W1969023976 @default.
- W3207715497 cites W1977417851 @default.
- W3207715497 cites W1977612780 @default.
- W3207715497 cites W1981805059 @default.
- W3207715497 cites W1982933823 @default.
- W3207715497 cites W1996379483 @default.
- W3207715497 cites W1998653449 @default.
- W3207715497 cites W2000044070 @default.
- W3207715497 cites W2006087142 @default.
- W3207715497 cites W2007001166 @default.
- W3207715497 cites W2015604439 @default.
- W3207715497 cites W2017365323 @default.
- W3207715497 cites W2019876793 @default.
- W3207715497 cites W2021586440 @default.
- W3207715497 cites W2028904044 @default.
- W3207715497 cites W2029904664 @default.
- W3207715497 cites W2037540817 @default.
- W3207715497 cites W2041070751 @default.
- W3207715497 cites W2043748827 @default.
- W3207715497 cites W2057361959 @default.
- W3207715497 cites W2066590356 @default.
- W3207715497 cites W2066656717 @default.
- W3207715497 cites W2072177334 @default.
- W3207715497 cites W2073278299 @default.
- W3207715497 cites W2074891600 @default.
- W3207715497 cites W2081788425 @default.
- W3207715497 cites W2081941617 @default.
- W3207715497 cites W2082993111 @default.
- W3207715497 cites W2083624140 @default.
- W3207715497 cites W2086207581 @default.
- W3207715497 cites W2086347638 @default.
- W3207715497 cites W2091778891 @default.
- W3207715497 cites W2100436494 @default.
- W3207715497 cites W2109808335 @default.
- W3207715497 cites W2116052179 @default.
- W3207715497 cites W2122790385 @default.
- W3207715497 cites W2129234760 @default.
- W3207715497 cites W2132475338 @default.
- W3207715497 cites W2143955238 @default.
- W3207715497 cites W2147868964 @default.
- W3207715497 cites W2149106029 @default.
- W3207715497 cites W2157854449 @default.
- W3207715497 cites W2160810259 @default.
- W3207715497 cites W2163586744 @default.
- W3207715497 cites W2175724880 @default.
- W3207715497 cites W2211077361 @default.
- W3207715497 cites W2213843365 @default.
- W3207715497 cites W2288227695 @default.
- W3207715497 cites W2330388042 @default.
- W3207715497 cites W2516652962 @default.
- W3207715497 cites W2558945287 @default.
- W3207715497 cites W2565232113 @default.
- W3207715497 cites W2761807303 @default.
- W3207715497 cites W2793405735 @default.
- W3207715497 cites W2793497834 @default.
- W3207715497 cites W2799809978 @default.
- W3207715497 cites W2803853571 @default.
- W3207715497 cites W2884948680 @default.
- W3207715497 cites W2888809401 @default.
- W3207715497 cites W2905284173 @default.
- W3207715497 cites W2911266504 @default.
- W3207715497 cites W2923544088 @default.
- W3207715497 cites W2940780310 @default.
- W3207715497 cites W3015905096 @default.
- W3207715497 cites W4231940548 @default.
- W3207715497 cites W2002948622 @default.
- W3207715497 doi "https://doi.org/10.1063/5.0064342" @default.
- W3207715497 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34654311" @default.
- W3207715497 hasPublicationYear "2021" @default.
- W3207715497 type Work @default.
- W3207715497 sameAs 3207715497 @default.
- W3207715497 citedByCount "4" @default.
- W3207715497 countsByYear W32077154972022 @default.
- W3207715497 countsByYear W32077154972023 @default.
- W3207715497 crossrefType "journal-article" @default.
- W3207715497 hasAuthorship W3207715497A5001577474 @default.
- W3207715497 hasAuthorship W3207715497A5010101341 @default.
- W3207715497 hasAuthorship W3207715497A5018383392 @default.
- W3207715497 hasAuthorship W3207715497A5019094265 @default.
- W3207715497 hasAuthorship W3207715497A5036553087 @default.