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Scientific Publishers Advancements In Micronutrient Research by Hemantranhan A
Contents: Preface. I. General overview on the development of trace element research/Istvan Pais: 1. Introduction. 2. Criteria of essentiality and beneficiality. 3. Criteria of toxicity. 4. The importance of trace elements in environment. 5. Interrelationships among different elements. 6. The concept of the interdisciplinary trace-element research. References. II. The importance of hardly known trace elements/Istvan Pais: 1. Introduction. 2. The physiological importance of titanium. 3. Beneficial effects of gallium. 4. Beneficial effects of zirconium. 5. Summary. References. III. Some insights in the determination of selenium in biological and environmental samples by graphite furnace atomic absorption spectrometry/A. Javier Aller: 1. Introduction. 2. Determination of selenium by GFAAS. 3. Conclusions. References. IV. Overview of the determination of beryllium in environmental and biological samples by atomic absorption and atomic emission spectrometries/A.J. Aller: 1. Introduction. 2. Handling of samples. 3. Calibration methods. 4. Appraisal of the atomic methods for the determination of beryllium. 5. Analytical figures of merit. 6. Conclusions. References. V. Mineral requirements of the free-living and symbiotic cyanobacteria, with special reference to micronutrition, for raising laboratory cultures/A. Vaishampayan: 1. Introduction. 2. The nutrient media. 3. Cyanobacteria as a phototrophic component in artificial associations with plant cells. 4. Conclusions and future prospects. References. VI. Legume/rhizobial interactions within the legume root nodule : role of the plastid in metabolic reactions involving iron nutrition/James A. Guikema, William R. Odum and Peter P. Wong: 1. Introduction. 2. Iron acquisition and storage. 3. Leghemoglobin biosynthesis. 4. Leghemoglobin oxidation and reduction. 5. Summary. References. VII. Physiological and biochemical significance of zinc nutrition in plants/A. Hemantaranjan: 1. Introduction. ..