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| Author | : W. D. Griffiths |
| Publisher | : Royal Society of Chemistry |
| Total Pages | : 136 |
| Release | : 1998 |
| Genre | : Science |
| ISBN | : |
This book provides a starting document to aid non-specialists in their understanding, valid operation and calibration of aerosol particle-size analysers.
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 87 |
| Release | : 2006-09-07 |
| Genre | : Political Science |
| ISBN | : 0309102111 |
The National Institute of Allergy and Infectious Diseases (NIAID) gives the highest priority to developing countermeasures against bioterrorism agents that are highly infective when dispersed in aerosol form. Developing drugs to prevent or treat illnesses caused by bioterrorism agents requires testing their effectiveness in animals since human clinical trials would be unethical. At the request of NIAID, the National Academies conducted a study to examine how such testing could be improved. Overcoming Challenges to Develop Countermeasures Against Aerosolized Bioterrorism Agents provides recommendations to researchers on selecting the kinds of animal models, aerosol generators, and bioterrorism agent doses that would produce conditions that most closely mimic the disease process in humans. It also urges researchers to fully document experimental parameters in the literature so that studies can be reproduced and compared. The book recommends that all unclassified data on bioterrorism agent studies-including unclassified, unpublished data from U.S. Army Medical Research Institute of Infectious Diseases (USAMRIID)-be published in the open literature. The book also calls on the U.S. Food and Drug Administration to improve the process by which bioterrorism countermeasures are approved based on the results of animal studies.
| Author | : George Richard Gillespie |
| Publisher | : |
| Total Pages | : 84 |
| Release | : 1953 |
| Genre | : Acids |
| ISBN | : |
The selection and design of aerosol removal equipment depend largely on knowledge of the size of the particle. In this work the distribution of particle sizes of aerosols of sulfuric, phosphoric, hydrochloric, hydrobromic, chlorosulfonic, and nitric acids was measured by means of a four-stage, high velocity jet impactor. The effect of the relative humidity of the air system, the addition of foreign nuclei, the concentration of the aerosol particles and time on the size distribution was studied.
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 100 |
| Release | : 2008-10-30 |
| Genre | : Political Science |
| ISBN | : 0309178436 |
Biological warfare agent (BWA) detectors are designed to provide alerts to military personnel of the presence of dangerous biological agents. Detecting such agents promptly makes it possible to minimize contamination and personnel exposure and initiate early treatment. It is also important, though, that detectors not raise an alarm when the situation does not warrant it. The question considered in this book is whether Agent-Containing Particles per Liter of Air (ACPLA) is an appropriate unit of measure for use in the evaluation of aerosol detectors and whether a better, alternative measure can be developed. The book finds that ACPLA alone cannot determine whether a health threat exists. In order to be useful and comparable across all biological agents and detection systems, measurements must ultimately be related to health hazard. A Framework for Assessing the Health Hazard Posed by Bioaerosols outlines the possibility of a more complex, but more useful measurement framework that makes it possible to evaluate relative hazard by including agent identity and activity, particle size, and infectious dose.
| Author | : Clive Washington |
| Publisher | : CRC Press |
| Total Pages | : 260 |
| Release | : 1992-06-30 |
| Genre | : Medical |
| ISBN | : 020398417X |
Recent major advances in particle size analysis, particularly with regard to its application in the pharmaceutical and related industries, provides justification for this title. It is a book for technicians and senior technicians, project and development managers, and formulation More...development scientists in a wide range of industries, pharmace
| Author | : |
| Publisher | : |
| Total Pages | : 66 |
| Release | : 1954-09 |
| Genre | : Aerosols |
| ISBN | : |
"The original purpose of this research was to investigate the possibility of building an electrostatic particle size discriminator. We went beyond this objective and have worked out theoretically and experimentally a new method for determination of particle size distribution by settling charged aerosol particles in an electrostatic field. Two further methods based on gravitational and centrifugal settling of charged aerosol particles were developed theoretically"--p.1, 1954/1955.
| Author | : N G Stanley-Wood |
| Publisher | : Royal Society of Chemistry |
| Total Pages | : 557 |
| Release | : 2007-10-31 |
| Genre | : Science |
| ISBN | : 1847551629 |
Particle Size Analysis reviews the development of particle characterization over the past 25 years and also speculates on its future. Interest in the subject has increased enormously over the years and this book highlights the changes and advances made within the field. This book is comprehensive in its coverage of particle size analysis and includes contributions on such characterization techniques as microscopy using fractal analysis, light diffraction, light scattering with the phase doppler technique, light observation, and photon correlation spectroscopy. A number of chapters address the interest in on-line in-stream particle size analysis and illustrate the progress being made in achieving this long sought after ideal of in-situ in-process particle characterization. Applications to other technological fields are detailed by chapters covering biological systems and the pharmaceutical industry. The subject of surface area determination is considered with particular emphasis on the measurements on porosity of powders, the characterization and comparability of reference materials, and the need for standards. Particle Size Analysis should provide stimulating reading for technologists, scientists, and engineers involved in particle characterization and powder technology worldwide.
| Author | : Leslie Silverman |
| Publisher | : Elsevier |
| Total Pages | : 334 |
| Release | : 2012-12-02 |
| Genre | : Technology & Engineering |
| ISBN | : 0323141587 |
Particle Size Analysis in Industrial Hygiene discusses technical information on particle properties, kinetic behavior, sampling instruments, and interpretation. This book is composed of seven chapters and is prepared by the American Industrial Hygiene Association for the Division of Technical Information, United States Atomic Energy Commission. This monograph is a part of the continuing effort of both organizations to extend the field of technical knowledge and safeguard the health and well-being of persons exposed to toxic or deleterious material. After briefly discussing the fundamental physics and chemistry of aerosol systems, the book goes on describing the analytical methods and instruments for particle size analysis. Such methods include direct and indirect sampling methods as well as automatic counting and sizing instruments. Specific methods considered include sieve analysis, optical and electron microscopy, and scanning electron microscopy. A chapter on particle size interpretation and representation with the use of applied mathematical statistics concepts is also provided. This book also covers a general discussion on typical applications of particle size analysis to industrial hygiene, radiation protection, air pollution control, industrial toxicology, and related areas. This book is an invaluable source for industrial hygienists and to those working in the many disciplines dealing with particle behavior.
