title: A Radiofrequency (220-MHz) Fourier Transform EPR Spectrometer
abstract: Radiofrequency continuous wave EPR spectrometers for detecting and localizing free radicals in vivo in samples of 50-100 g have been developed. The main limitation of these EPR instruments is the slow acquisition time, and a sensible improvement is expected by the adoption of pulsed EPR techniques. We present here a Fourier transform EPR spectrometer operating at 220 MHz suitable for large volume samples (up to 50 ml). A detailed description of the transmitter and receiver sections, including the EPR resonator, is given. Representative free induction decay data obtained from a sample with a relaxation time of about 900 ns are reported. Copyright 1998 Academic Press.
authors.affiliation: INFM and Dipartimento di Scienze e Tecnologie Biomediche, Università dell'Aquila, Via Vetoio, L'Aquila, 67100, Italy
authors.initials: M
authors.lastname: Alecci
authors.initials: JA
authors.lastname: Brivati
authors.initials: G
authors.lastname: Placidi
authors.initials: A
authors.lastname: Sotgiu