""MAGNETITE: STRUCTURE, PROPERTIES AND APPLICATIONS ""; ""MAGNETITE: STRUCTURE, PROPERTIES AND APPLICATIONS ""; ""CONTENTS ""; ""PREFACE ""; ""MAGNETITE: THE STORY OF THE MINERAL�S FORMATION AND STABILITY ""; ""ABSTRACT ""; ""1. INTRODUCTION TO THE UNIQUE MINERAL MAGNETITE ""; ""2. MAGNETITE IN THE SOLAR SYSTEM ""; ""3. CONDITIONS OF THE STABILITY OF IRON OXIDES ""; ""4. CONDITIONS OF STABILITY OF IRON-CONTAINING ROCKS AND MINERALS ""; ""4.1. Magnetite and Hematite ""; ""4.2. Siderite ""; ""4.3. Pyrite ""; ""4.4. Almandine (Fe-garnet) ""; ""4.5. Fayalite """"4.6. Biotite and Annite """"4.7. Omphacite and Aegirine (Acmite) ""; ""4.8. Other Minerals ""; ""5. BIRTH OF MAGNETITE IN THE SOLAR SYSTEM ""; ""6. MAGNETITE DURING THE PLANETARY ACCRETION OF EARTH ""; ""7. IRON DURING DIFFERENTIATION OF MATTER IN THE MAGMA-OCEAN ""; ""8. INTERACTION BETWEEN IRON AND THE EARLY EARTH ATMOSPHERE, THE NEW BIRTH OF MAGNETITE ""; ""9. THE FORMATION OF MAGNETITE IN BANDED IRON FORMATIONS AND ITS SURVIVAL ""; ""10. MAGNETITE IN MAGMATIC, METAMORPHIC AND SEDIMENTARY ROCKS ""; ""11. MAGNETITE AND THE SERPENTINIZATION PROCESS """"12. MAGNETITE AND MAGNETISM """"13. CONCLUDING REMARKS ""; ""REFERENCES ""; ""MAGNETITE NANO-PARTICLES IN INFORMATION PROCESSING: FROM THE BACTERIA TO THE HUMAN BRAIN NEOCORTEX ""; ""ABSTRACT ""; ""1. INTRODUCTION ""; ""2. MAGNETITE IN MAGNETOTACTIC BACTERIA ""; ""2.1. Magnetite biosynthesis ""; ""2.2. Magnetite protein relationships ""; ""2.3. The magnetosome ""; ""2.4. Magnetite nanotechnology ""; ""3. MAGNETO-ORIENTATION/MAGNETORECEPTION ""; ""3.1. Transduction mechanism for magnetoreception ""; ""3.2. Magneto-sensitive ion-channels """"3.3. Neurophysiologic evidence for magnetic-based reception """"4. BIO-MAGNETITE IN HUMANS ""; ""4.1. Magnetite in the human brain ""; ""4.2. Magnetite in neurodegenerative diseases ""; ""4.3. Magnetite in neoplastic diseases ""; ""5. POSSIBLE ROLE OF MAGNETITE IN BRAIN MEMORY ""; ""5.1. Magnetic fields in the brain ""; ""5.1.1. Magnetic fields associated to neocortical cells ""; ""5.1.2. Can static astroglial magnetic fields change neuronal activity? ""; ""5.2. Structure of the human neocortex ""; ""5.2.1. Neurocortex (neuronal matrix) ""; ""5.2.2. Gliocortex (astroglial matrix) """"5.2.3. Why astroglial cells? """"5.3. Magnetic bubbles in the neocortex ""; ""5.3.1 Magnetic bubble technology ""; ""5.3.2 Other bubbles in the brain ""; ""6. The astroglial magnetic bubble model: magnetite based information processing. ""; ""How do the magnetic bubbles work? ""; ""REFERENCES ""; ""ADSORPTION AND MAGNETOTHERMAL PROPERTIES OF SUPERFINE MAGNETITE ""; ""1. CURRENT STATE OF THE PROBLEM OF ADSORPTION PROCESSES INVESTIGATION ON THE SUPERFINE MAGNETITE SURFACE ""; ""2. ADSORPTION OF FATTY ACIDS FROM ORGANIC SOLVENTS ON THE SUPERFINE MAGNETITE SURFACE ""