Investigation of Aerosol Properties Using Environmental Atomic Force Microscopy PDF Download
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Author: David Marchese
Publisher:
ISBN:
Category : Aerosols
Languages : en
Pages : 90
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Book Description
The primary objectives of this thesis were to use atomic force microscopy to determine the morphology of atmospherically relevant aerosols and to investigate the utility of environmental atomic force microscopy for imaging aerosols as they respond to changes in relative humidity. The results of this research demonstrated the utility of atomic force microscopy for measuring the morphology of aerosols.
Author: David Marchese
Publisher:
ISBN:
Category : Aerosols
Languages : en
Pages : 90
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Book Description
The primary objectives of this thesis were to use atomic force microscopy to determine the morphology of atmospherically relevant aerosols and to investigate the utility of environmental atomic force microscopy for imaging aerosols as they respond to changes in relative humidity. The results of this research demonstrated the utility of atomic force microscopy for measuring the morphology of aerosols.
Author: J. Drelich
Publisher: CRC Press
ISBN: 906764434X
Category : Science
Languages : en
Pages : 823
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Book Description
Since its discovery, Atomic Force Microscopy (AFM) has become a technique of choice for non-destructive surface characterization with sub-molecular resolution. The AFM has also emerged as a problem-solving tool in applications relevant to particle-solid and particle-liquid interactions, design, fabrication, and characterization of new materials, and development of new technologies for processing and modification of materials. This volume is a comprehensive review of AFM techniques and their application in adhesion studies. It is intended for both researchers and students in engineering disciplines, physics and biology. Over 100 authors contributed to this book, summarizing current status of research on measurements of colloidal particle-solid adhesion and molecular forces, solid surface imaging and mapping, and discussing the contact mechanics models applicable to particle-substrate and particle-particle systems.
Author:
Publisher:
ISBN:
Category : Atmospheric aerosols
Languages : en
Pages : 113
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Book Description
Scientists have been observing a change in the climate since the beginning of the 20th century that cannot be attributed to any of the natural influences of the past. Natural and anthropogenic substances and processes perturb the Earth's energy budget, contributing to climate change. In particular, aerosols (particles suspended in air) have long been recognized to be important in processes throughout the atmosphere that affect climate. They directly influence the radiative balance of the Earth's atmosphere, affect cloud formation and properties, and are also key air pollutants that contribute to a variety of respiratory and cardiovascular diseases. Despite their importance, aerosol particles are less well-characterized than greenhouse gases with respect to their sources, temporal and spatial concentration distribution, and physical and chemical properties. This uncertainty is mainly caused by the variable and insufficiently understood sources, formation and transformation processes, and complex composition of atmospheric particles. Instruments that can precisely and accurately measure and characterize the aerosol physical and chemical properties are in great demand. Atmospheric relative humidity (RH) has a crucial impact on the particles' optical properties; the RH dependence of the particle extinction coefficient is an important parameter for radiative forcing and thus climate change modeling. In this work a Humidity-Controlled Cavity Ring-Down (HC-CRD) aerosol optical instrument is described and its ability to measure RH dependent extinction coefficients and related hygroscopicity parameters is characterized.
Author: Richard Dennis
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 150
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Book Description
Author: Lev S. Ruzer
Publisher: CRC Press
ISBN: 1439855102
Category : Technology & Engineering
Languages : en
Pages : 669
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Book Description
With the rapid growth of the nanotechnology industry, the need to understand the biological effects of aerosol exposure has become increasingly important. Featuring contributions by leading experts in the field, Aerosols Handbook: Measurement, Dosimetry, and Health Effects, Second Edition offers an up-to-date overview of many aspects of aerosols, from properties to health effects and epidemiology. Covering indoor, outdoor, industrial, medical, pharmaceutical, and radioactive aerosols, this book explores aerosol dosimetry by defining terms such as exposure and dose. In addition, it looks at nanometer particles, the mechanism of aerosol deposition in the lungs, and modeling deposition with a corresponding uncertainty in risk assessment. The text also emphasizes the importance of accurate aerosol measurements, particularly breathing zone exposure assessments. Examining radioactive aerosols, the book discusses lessons learned from nuclear accidents, radon and thoron, and long-lived radionuclides in the environment. It brings together research on both radioactive and nonradioactive aerosols, supplying readers with a more complete view of how aerosols behave in the lungs. New in This Edition Five new chapters that address the safety of nanomaterials, dealing with nanoparticle cell penetration, high aspect ratio nanomaterials, nanoaerosols in drug delivery, risk assessment, and health effects New chapters on atmospheric pollution related to climate change, chemical analyses of particle filter deposits, and classical nucleation theory New data on measurement, dosimetry, and health effects Updated throughout, this second edition continues to be an essential resource for those who study exposure, dosages, and toxicity to develop treatments for exposure, reduce air pollution, and establish better safety regulations, particularly in industries using nanotechnologies.
Author: Alexander A. Kokhanovsky
Publisher: Springer
ISBN: 9783540237341
Category : Science
Languages : en
Pages : 148
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Book Description
This new text offers experienced students a comprehensive review of available techniques for the remote sensing of aerosols. These small particles influence both atmospheric visibility and the thermodynamics of the atmosphere. They are also of great importance in any consideration of climate change problems. Aerosols may also be responsible for the loss of harvests, human health problems and ecological disasters. Thus, this detailed study of aerosol properties on a global scale could not be more timely.
Author: Kvetoslav R. Spurny
Publisher: CRC Press
ISBN: 9781420036251
Category : Nature
Languages : en
Pages : 642
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Book Description
A compilation of the most important aerosol chemical processes involved in known scientific and technological disciplines, Aerosol Chemical Processes in the Environment serves as a handbook for aerosol chemistry. Aerosol science is interdisciplinary, interfacing with many environmental, biological and technological research fields. Aerosols and aerosol research play an important role in both basic and applied scientific and technological fields. Interdisciplinary cooperation is useful and necessary. Aerosol Chemical Processes in the Environment uses several examples to show the impact of aerosol chemistry in several different fields, mainly in basic and atmospheric research. The book describes the most important chemical processes involved in the various scientific and technological disciplines.
Author: Bernard G. Mendonça
Publisher:
ISBN:
Category : Aerosols
Languages : en
Pages : 36
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Book Description
This report was adapted from a Master's thesis supported by an ERL long-term University assignment at Colorado State University Fort Collins, Colorado pg. ii
Author: Ari Leskinen
Publisher:
ISBN: 9789516976658
Category :
Languages : en
Pages :
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Book Description
Author: Kvetoslav R. Spurny
Publisher: CRC Press
ISBN: 1351466585
Category : Nature
Languages : en
Pages : 499
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Book Description
Until the 1980s, researchers studied and measured only the physical properties of aerosols. Since the 80s, however, interest in the physicochemcal properties of aerosols has grown tremendously. Scientists in environmental hygiene, medicine, and toxicology have recognized the importance held by the chemical composition and properties of aerosols and the interactions of inhaled, "bad" aerosols. This book offers the first comprehensive treatment of modern aerosol analytical methods, sampling and separation procedures, and environmental applications, and offers critical reviews of the latest literature. This important field has developed rapidly in the last 15 years, but until now, no book effectively summarized or analyzed the existing research. Analytical Chemistry of Aerosols reviews procedures, techniques, and trends in the measurement and analysis of atmospheric aerosols. With contributions from acknowledged, international experts, the book discusses various methods of bulk analysis, single particle analysis, and the analysis of special aerosol systems, including fibrous and bacterial aerosols.
