Buch(elektronisch)1964

Biological Effects of Magnetic Fields

In: Springer eBook Collection

Barnothy, Madeleine F.

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Abstract

I. Theoretical Considerations -- 1. Introduction -- 2. Simple Theoretical Models for Magnetic Interactions with Biological Units -- 3. Basic Concepts Related to Magnetic Fields and Magnetic Susceptibility -- 4. The Vector Character of Field and Gradient and Its Possible Implications for Biomagnetic Experiments and Space Travel -- 5. Rotational Diffusion in a Magnetic Field and Its Possible Magnetobiological Implications -- 6. Distortion of the Bond Angle in a Magnetic Field and Its Possible Magnetobiological Implications -- 7. A Possible Effect of the Magnetic Field Upon the Genetic Code -- II. Effects of Strong Magnetic Fields on Specimens in vivo -- 1. Development of Young Mice -- 2. Rejection of Transplanted Tumors in Mice -- 3. Hematological Changes in Mice -- 4. Reduction of Irradiation Mortality Through Pretreatment -- 5. Lifespan Increase of Tumor-Bearing Mice Through Pretreatment -- 6. Wound Healing and Tissue Regeneration -- 7. Effect on Drosophila melanogaster and S-37 Tumor Cells; Postulates for Magnetic Field Interactions -- 8. Magnetotropism -- 9. Plant Growth Responses -- 10. Effects on the Central Nervous System -- 11. Survival of Animals in Magnetic Fields of 140,000 Oe -- III. Effects of Strong Magnetic Fields on Specimens in vitro -- 1. Tissue Respiration -- 2. Agglutination of Human Erythrocytes -- 3. Inhibition of Bacterial Growth in Fields of High Paramagnetic Strength -- 4. Inhibition of Bacterial Growth in Homogeneous Fields -- 5. Increase of Trypsin Activity -- 6. Magnetic Reactivation of Partially Inhibited Trypsin -- IV. Effects of Very Weak Magnetic Fields -- 1. Responses of Planarians and Snails -- 2. Actions of a Very Weak Magnetic Gradient. The Reflex of the Dowser -- 3. Proposed Mechanisms for the Navigation of Migrating Birds -- V. Bibliography and Indexes -- Bibliography of the Biological Effects of Static Magnetic Fields -- About the Authors.

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Buch(elektronisch)#11995

Biological Effects of Magnetic Fields: Volume 2

In: Springer eBook Collection

Barnothy, Madeleine F.

Magnets in Biological Research -- Effects of Near-Zero Magnetic Fields upon Biological Systems -- The Effects of a Magnetic Field on DNA Synthesis by Ascites Sarcoma 37 Cells -- The Effect of Strong Inhomogeneous Magnetic Fields on Serum-Free Cell Cultures -- Effects of Magnetic Fields on Cellular Respiration -- Magnetic Field and in situ Acetylocholinesterase in the Vagal Heart System -- Effects of the Magnetic Field on Internal Organs and the Endocrine System of Mice -- Changes in Sodium and Potassium Content of Urine from Mice Subjected to Intense Magnetic Fields -- Changes in the Erythrocyte Sedimentation Rate of Rabbits Due to Exposure of the Central Nervous System to a Constant Magnetic Field -- Sensitivity of Some Plant Material to Magnetic Fields -- Biomagnetic Hypotheses -- The Effect of High-Gradient, High-Strength Magnetic Fields on the Early Embryonic Development of Frogs -- Mutagenic Effects of Magnetic Fields on Drosophila melanogaster -- The Effect of Magnetic Fields upon the Central Nervous System -- Investigations of the Reactions of Mammalian Brain to Static Magnetic Fields -- Effect of a Constant Magnetic Field on Invertebrate Neurons -- Preference of Mice to Consume Food and Water in an Environment of High Magnetic Field -- Vectorcardiogram and Aortic Blood Flow of Squirrel Monkeys (Saimiri sciureus) in a Strong Superconductive Electromagnet -- Magnetic Susceptibility of Biological Materials.