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Signal enhancement in ESR spin-trapping for hydroxyl radicals
Linxiang Li1, Yoshihiro Abe, Tadahiko Mashino
1Kyoritsu College of Pharmacy, 1-5-30 Shibakoen, Minato, Tokyo 105-8512, Japan.
Abstract:
In an ESR spin-trapping measurement of hydroxyl radicals formed in a Fenton reaction, the trapping efficiency with DMPO increased by about 300 times in a sodium trifluoroacetate solution, whereas it was little changed in a phosphate buffer.