| Current and Future Applications of Nanotechnology | |
| Introduction | p. 1 |
| History | p. 1 |
| Definitions | p. 1 |
| Investment | p. 2 |
| Technology | p. 2 |
| Nanomaterials | p. 2 |
| Manufacturing Processes | p. 3 |
| Product Characteristics | p. 3 |
| Types of Nanomaterials | p. 4 |
| Carbon | p. 4 |
| Inorganic Nanotubes | p. 6 |
| Metals | p. 7 |
| Metal Oxides | p. 7 |
| Clays | p. 10 |
| Quantum Dots | p. 11 |
| Surface Enhanced Raman Spectroscopy | p. 11 |
| Dendrimeis | p. 12 |
| Bio Applications | p. 12 |
| Nanocatalysts | p. 12 |
| Nanotechnology Reports | p. 13 |
| Forbes/Wolfe Nanotech Reports | p. 13 |
| Woodrow Wilson | p. 13 |
| Future Opportunities | p. 14 |
| Nanoroadmap | p. 14 |
| SusChem | p. 14 |
| Lux Research Market Forecast | p. 15 |
| Nanomaterials Companies | p. 15 |
| Future | p. 15 |
| References | p. 16 |
| Nanoparticles in the Aquatic and Terrestrial Environments | |
| Introduction | p. 19 |
| Overview of Current Knowledge | p. 20 |
| Fate and Behaviour in Natural Aquatic Systems | p. 26 |
| Natural and Engineered Nanoparticle Interactions | p. 27 |
| Structural Determination and Analysis | p. 29 |
| Interactions with Pollutants, Palhogens and Nutrients | p. 29 |
| Effects on Pollutant and Pathogen Fate and Behaviour | p. 29 |
| Issues to be Addressed | p. 30 |
| Sources and Sinks of Nanoparticles | p. 30 |
| Free and Fixed Engineered Nanoparticles | p. 31 |
| Nanoparticle Interactions with Naturally Occurring Material | p. 31 |
| Nanoparticles as Pollutants | p. 31 |
| Transport of Nanoparticles | p. 31 |
| Nanoparticles as Vectors of Pollution | p. 32 |
| Conclusions | p. 32 |
| References | p. 32 |
| Nanoparticles in the Atmosphere | |
| Introduction | p. 35 |
| Sources of Atmospheric Nanoparticles | p. 35 |
| Primary Emissions | p. 35 |
| Secondary Particles | p. 36 |
| Formation of Nanoparticles During Diesel Exhaust Dilution | p. 37 |
| Particle Size Distributions | p. 39 |
| Source Strength of Traffic Particles | p. 40 |
| Emissions from Non-Traffic Sources | p. 41 |
| Measurement of Nanoparticles in Roadside Air | p. 41 |
| Transformation and Transport of Ultrafine Particles | p. 43 |
| Measurements of Particle Number Concentration in the Atmosphere | p. 44 |
| Chemical Composition of Atmospheric Nanoparticles | p. 45 |
| Indoor/Outdoor Relationships of Nanoparticles | p. 46 |
| Conclusions | p. 47 |
| References | p. 48 |
| Occupational Exposure to Nanoparticles and Nanotubes | |
| Introduction | p. 50 |
| Scientific Framework for Assessing Exposure to Nanoparticles | p. 51 |
| Terminology and Definitions | p. 51 |
| Routes of Exposure | p. 51 |
| Metric lo be used for Assessing Exposure to Airborne Nanoparticles | p. 53 |
| Review of Methods for Assessing Exposure to Nanoparticles | p. 55 |
| General | p. 55 |
| Mass Concentration | p. 56 |
| Number Concentration | p. 61 |
| Surface Area Concentrations | p. 62 |
| Nanoparticle Size Distribution Measurement | p. 64 |
| Particle Sampling Techniques for Characterisation | p. 68 |
| Do Nanotubes Require Special Techniques? | p. 69 |
| Sampling Strategy Issues | p. 70 |
| Review of Reported Measurements of Exposure to Nanoparticles | p. 71 |
| Introduction | p. 71 |
| Measurements of Nanoparticle Exposures in Existing Industries | p. 72 |
| Measurements of Nanoparticle Exposures in New Nanotechnology Processes | p. 75 |
| Discussion 76 References | p. 78 |
| Toxicological Properties of Nanoparticles and Nanotubes | |
| Introduction | p. 81 |
| Environmental Air Pollution Particles | p. 81 |
| Effects of Environmental Particles | p. 81 |
| Nanoparticles as the Drivers of Environment Particle Effects | p. 82 |
| Could Cardiovascular Effects of PM be Due to CDNP? | p. 84 |
| Is the Environmental Nanoparticle Paradigm Applicable to Engineered NPs? | p. 86 |
| The Nature of Newer Manufactured Nanoparticles | p. 86 |
| Carbon Black and TiO2 | p. 86 |
| Nanoparticles and the Brain | p. 87 |
| New Engineered NPs and the Cardiovascular System | p. 87 |
| Carbon Nanotubes | p. 87 |
| Fullerenes | p. 89 |
| Quantum Dots | p. 90 |
| Other Nanoparticles | p. 90 |
| Conclusion | p. 91 |
| References | p. 92 |
| Human Effects of Nanoparticle Exposure | |
| The Regulatory Issues | p. 102 |
| Nanosciences and Nanotechnologies per se | p. 102 |
| Nanosciences and Nanotechnologies in Context of Dangerous Substances Generally | p. 103 |
| Current Issues and Knowledge Gaps | p. 103 |
| Toxicology of Nanoparticles | p. 104 |
| NP Characterisation | p. 106 |
| Epidemiology | p. 107 |
| Human Challenge Studies | p. 110 |
| Discussion: Risk Assessment of Engineered NPs | p. 111 |
| References | p. 113 |
| Nanoparticle Safety-A Perspective from the United States | |
| Introduction | p. 118 |
| The US National Nanotechnology Initiative | p. 119 |
| Federal Government Activities in Support of ôSafeö Nanotechnology | p. 120 |
| Industry and Other Non-government Activities in Support of ôSafeö Nanotechnology | p. 124 |
| Looking to the Future-Ensuring the Development of ôSafeö Nanotechnology | p. 125 |
| References | p. 129 |
| Subject Index | p. 133 |
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