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Principles of electron spin resonance
- N. Atherton
The resonance phenomenon magnetic interactions and the spin Hamiltonian isotropic hyperfine interaction the g-tensor the anisotropic hyperfine interaction systems with spin greater than 1.5 the… Expand
Free radical processes and loss of seed viability during desiccation in the recalcitrant species Quercus robur L.
SUMMARY Loss of moisture in mature seeds of Quercus robur L. was associated with loss of viability, a rise in lipid peroxidation and build-up of free radicals. Radical-initiated damage was largely… Expand
The Involvement of Respiration in Free Radical Processes during Loss of Desiccation Tolerance in Germinating Zea mays L. (An Electron Paramagnetic Resonance Study)
When germinating Zea mays L. seeds are rapidly desiccated, free radical-mediated lipid peroxidation and phospholipid de-esterification is accompanied by a desiccation-induced buildup of a stable free… Expand
Plants under drought-stress generate activated oxygen.
Lysed chloroplasts prepared from droughted wheat plants generate O2- on illumination as detected by electron spin resonance spectroscopy, the amplitude of the signal increasing with the severity of… Expand
A free radical ubiquitously associated with senescence in plants: evidence for a quinone.
- N. Atherton, G. Hendrỳ, K. Möbius, M. Rohrer, J. T. Törring
- Chemistry, Medicine
- Free radical research communications
The interpretation of EPR and ENDOR measurements on an organic free radical which appears to be a universal concomitant of senescence in plants is discussed. On the basis of EPR spectra obtained at… Expand
Putative desiccation tolerance mechanisms in orthodox and recalcitrant seeds of the genus Acer
Recalcitrant seeds are shed moist from the plant and do not survive desiccation to the low moisture contents required for prolonged storage. It has been widely hypothesised that during desiccation of… Expand
Radiation damage to DNA and related biomolecules
THE ROLE OF FREE RADICALS AND RADICAL PROCESSING SYSTEMS IN LOSS OF DESICCATION TOLERANCE IN GERMINATING MAIZE (ZEA MAYS L.)
SUMMARY On germination, maize seeds rapidly become intolerant of desiccation. Germinating seeds exposed to dehydrating conditions for 24 h show a significant rise in lipid peroxidation and the… Expand
Radical formation and accumulation in vivo, in desiccation tolerant and intolerant mosses.
Water loss in a desiccation-sensitive moss resulted in destruction of chlorophyll, loss of carotenoids and increased lipid peroxidation, indicating the presence of damaging forms of activated oxygen.… Expand
Spin-trapping: Recent developmetns and applications