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BDPA: An Efficient Polarizing Agent for Fast Dissolution Dynamic Nuclear Polarization NMR Spectroscopy
Author(s) -
Lumata Lloyd,
Ratnakar S. James,
Jindal Ashish,
Merritt Matthew,
Comment Arnaud,
Malloy Craig,
Sherry A. Dean,
Kovacs Zoltan
Publication year - 2011
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201102037
Subject(s) - dissolution , nuclear magnetic resonance spectroscopy , polarization (electrochemistry) , spectroscopy , chemistry , materials science , chemical engineering , organic chemistry , physics , quantum mechanics , engineering
Teaching an old free radical new tricks : The stable free radical 1,3‐bisdiphenylene‐2‐phenylallyl (BDPA) is an efficient polarizing agent in the dissolution dynamic nuclear polarization (DNP) of a variety of hydrophilic and hydrophobic compounds, such as tetramethylallene or [ 15 N]choline (see figure). In addition, BDPA can be easily removed from the hyperpolarized solution by a simple mechanical filtration, when water is used for dissolution.