Blogs

Dynamic Nuclear Polarization of Metal–Organic Frameworks Using Photoexcited Triplet Electrons #DNPNMR

January 2, 2019 - Fujiwara, Saiya, Masanori Hosoyamada, Kenichiro Tateishi, Tomohiro Uesaka, Keiko Ideta, Nobuo Kimizuka, and Nobuhiro Yanai. “Dynamic Nuclear Polarization of Metal–Organic Frameworks Using Photoexcited Triplet Electrons.

BDPA-Nitroxide Biradicals Tailored for Efficient Dynamic Nuclear Polarization Enhanced Solid-State NMR at Magnetic Fields up to 21.1 T #DNPNMR

December 28, 2018 - Wisser, Dorothea, Ganesan Karthikeyan, Alicia Lund, Gilles Casano, Hakim Karoui, Maxim Yulikov, Georges Menzildjian, et al.

Tuning nuclear depolarization under MAS by electron T1e #DNPNMR

December 21, 2018 - Lund, Alicia, Asif Equbal, and Songi Han. “Tuning Nuclear Depolarization under MAS by Electron T1e.” Physical Chemistry Chemical Physics, 2018, 19.

Sensitivity Considerations in Microwave Paramagnetic Resonance Absorption Techniques

December 19, 2018 - I recently read again through Feher’s article on EPR sensitivity. After 61 years this article is still very important when building instrumentation for EPR or DNP.

Electron-Spin Relaxation of Triarylmethyl Radicals in Glassy Trehalose #DNPNMR

December 17, 2018 - Triarylmethyl radicals are commonly used dissolution-DNP experiments (dDNP). This article is a good reference source for the electronic relaxation times T1e and T2e in different solvents.

Large-scale ab initio simulations of MAS DNP enhancements using a Monte Carlo optimization strategy #DNPNMR

December 14, 2018 - Perras, Frédéric A., and Marek Pruski. “Large-Scale Ab Initio Simulations of MAS DNP Enhancements Using a Monte Carlo Optimization Strategy.

EPR / DNP / NMR Literature Blog