Analytical Sciences


Abstract − Analytical Sciences, 19(7), 1083 (2003).

Signal Enhancement in ESRSpin-trapping for Hydroxyl Radicals
Linxiang LI,* YoshihiroABE,*  Tadahiko MASHINO,* MasatakaMOCHIZUKI,* and Naoki MIYATA**
*Kyoritsu College of Pharmacy, 1-5-30Shibakoen, Minato, Tokyo 105-8512, Japan
**Nagoya City University,Faculty of Pharmaceutical Sciences, 3-1 Tanabe-dori, Mizuho, Nagoya467-8603, Japan
In an ESR spin-trapping measurement ofhydroxyl radicals formed in a Fenton reaction, the trapping efficiency withDMPO increased by about 300 times in a sodium trifluoroacetate solution,whereas it was little changed in a phosphate buffer.