Now showing items 1-10 of 238
Artefatos nas imagens de ressonância magnética adquiridas com a sequência de spin-eco: avaliação de 147 exames em um equipamento de 1, 5 Tesl
(Universidade Federal de São Paulo (UNIFESP), 1992)
Electron spin resonance and electrochemical studies of oxidation products derivates of apomorphine in aprotic solvents.
(SOCIEDAD CHILENA DE QUIMICA, 2002-12)
Apomorphine acts as contractile muscular agent through an extra cellular calcium mechanism dependent. This activity is accompanied with autoxidacion process producing o-quinone derivates. o-Quinone is also obtained by ...
Metal-insulator transitions in pressed pellets of BF4 - doped poly(3-methylthiophene)
From Electron Spin Resonance (ESR) data in pressed pellets of BF4 - doped Poly(3-methylthiophene) (P3MT) we obtained simultaneously the paramagnetic susceptibility and. the microwave conductivity. We observed a transition ...
Microstrip resonators for electron paramagnetic resonance experiments
(Amer Inst PhysicsMelvilleEUA, 2009)
Electron spin resonance studies and theoretical quantum calculations of free radicals generated from anthracenetrione by electrochemical and microsomal reduction
(PERGAMON-ELSEVIER SCIENCE LTD, 2001-08)
The ESR spectra of radicals obtained by electrolytic reduction of 4,4-dimethylanthracene- 1,9,10 (4H)-trione (1) and the regioisomeric quinones 8-acetyloxymethyl-4,4,5-trimethyl- (2), and 5-acetyloxy-methyl-4,4,8-trimeth ...
Magnetic behavior of poly(3-methylthiophene): Metamagnetism and room-temperature weak ferromagnetism
A weak ferromagnetic phase is shown in pressed pellets of partially doped poly(3-methylthiophene) (P3MT) in the whole range from 1.8 to 300 K in magnetic measurements. Thermoremanence data have been used to estimate the ...
TL, EPR and optical absorption studies on natural alexandrite compared to natural chrysoberyl
The TL, optical absorption (OA) and EPR properties of natural Brazilian alexandrite and chrysoberyl have been investigated. The TL measurements for natural alexandrite show five peaks between 100 and 450°C, with their ...