Modeling Particle Transport and Deposition in the Human Lung PDF Download
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Author: Seong Suk Park
Publisher:
ISBN:
Category :
Languages : en
Pages : 282
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Book Description
Author: Seong Suk Park
Publisher:
ISBN:
Category :
Languages : en
Pages : 282
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Book Description
Author: Pierre-Antoine Muller
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The context of this thesis is the modelling of particle deposition in the human lung in order to optimise the administration of inhaled drugs. As the alveolar region plays a crucial role both physiologically and functionally, especially for systemic delivery, the objective of this work is to set-up a particle deposition model specific to the acinar region which could be integrated in whole lung deposition model. The first two chapters concentrate on the anatomical and functional aspects of the lung and on the physical principles involved in the flow and particle transport mechanisms in the lung. Then a computational fluid dynamics model was setup in a simplified alveolar geometry. Aerosol bolus transport was studied through an Eulerian approach, for one or several breathing cycles. The impact of flow irreversibilities on bolus dispersion was quantified. The last chapter deals with the integration of the previous results in an analytical model of particle deposition in the whole lung. The results generated by this model are then compared to experimental data from the literature or obtained from an ongoing clinical trial. The results of the new theoretical model show an increase of particle deposition in the acinar region which improves correlation of theory with experimental data. This model could favourably help designing therapies targeting the alveolar region of the lung.
Author: Ewald R. Weibel
Publisher: Academic Press
ISBN: 1483225798
Category : Computers
Languages : en
Pages : 164
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Book Description
Morphometry of the Human Lung considers the developments in understanding the quantitative anatomy of the lung, and in the correlation of anatomy with physiology. This book is composed of 11 chapters, and begins with an overview of a systematic approach to a quantitative morphologic analysis of the architecture of the human lung, followed by a presentation of general problems of methodology and the derivation of reliable dimensional models of this organ. The subsequent chapters describe the methods of preparation of tissues, methods of random sampling, and adaptation of methodologies from other fields of science. These topics are followed by discussions the mathematical formulations for the translation of the data into the desired geometric forms and a technique of counting. The final chapters look into the mode of distribution and geometric forms that should eventually facilitate mathematical and physical considerations regarding the function of the lungs. These chapters also consider the application of these quantitative methods to the study of pathologic specimens, providing a most timely renovation of morphologic pathology. This book will be of value to pulmonologists, physiologists, and researchers who are interested in lung morphometry.
Author: Jeffrey Hsu
Publisher:
ISBN:
Category : Aerosols
Languages : en
Pages : 210
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Book Description
A human lung bifurcation model was designed and developed specifically to measure particle deposition.
Author: Peter Gehr
Publisher: CRC Press
ISBN: 1420072579
Category : Medical
Languages : en
Pages : 324
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Book Description
Written by an expanded team of leading international scientists, the second edition thoroughly investigates research and therapies for managing adverse physiological effects of air-borne particles on the respiratory tract. The book examines the lung as the gateway for particle damage to organs outside the respiratory system and provide the informat
Author: Jiyuan Tu
Publisher: Springer Science & Business Media
ISBN: 9400744870
Category : Technology & Engineering
Languages : en
Pages : 383
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Book Description
Traditional research methodologies in the human respiratory system have always been challenging due to their invasive nature. Recent advances in medical imaging and computational fluid dynamics (CFD) have accelerated this research. This book compiles and details recent advances in the modelling of the respiratory system for researchers, engineers, scientists, and health practitioners. It breaks down the complexities of this field and provides both students and scientists with an introduction and starting point to the physiology of the respiratory system, fluid dynamics and advanced CFD modeling tools. In addition to a brief introduction to the physics of the respiratory system and an overview of computational methods, the book contains best-practice guidelines for establishing high-quality computational models and simulations. Inspiration for new simulations can be gained through innovative case studies as well as hands-on practice using pre-made computational code. Last but not least, students and researchers are presented the latest biomedical research activities, and the computational visualizations will enhance their understanding of physiological functions of the respiratory system.
Author: Chiu-sen Wang
Publisher: Elsevier
ISBN: 0080455018
Category : Technology & Engineering
Languages : en
Pages : 214
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Book Description
Inhaled Particles integrates all that is known about inhaled particles in a unified treatment. It aims to provide a scientific framework essential to a reasonable understanding of inhaled particles. The emphasis is placed on demonstrating the key roles of lung morphology on airflow and particle transport as well as identifying physical and biological factors that influence deposition. Special attention is paid to maintaining consistency of treatment and a balance between theoretical modeling and experimental measurements. The book covers all important aspects of inhaled particles including inhalability, aerosol dispersion, particle deposition, and clearance. It reviews concisely the basic background of lung morphology, respiratory physiology, aerodynamics, and aerosol science pertinent to the subject. Essential aspects of health effects and applications are also included. An easy-to-read, self contained introduction to the field An excellent source of updated research information Useful for students and professionals in aerosol science, environmental health science, occupational hygiene, health physics and biomedical engineering
Author: J. Dodgson
Publisher:
ISBN: 9780080341859
Category : Aerosols
Languages : en
Pages : 1225
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Book Description
Author: Sponsored by The Health Effects Institute
Publisher: National Academies Press
ISBN: 0309037263
Category : Science
Languages : en
Pages : 703
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Book Description
"The combination of scientific and institutional integrity represented by this book is unusual. It should be a model for future endeavors to help quantify environmental risk as a basis for good decisionmaking." â€"William D. Ruckelshaus, from the foreword. This volume, prepared under the auspices of the Health Effects Institute, an independent research organization created and funded jointly by the Environmental Protection Agency and the automobile industry, brings together experts on atmospheric exposure and on the biological effects of toxic substances to examine what is knownâ€"and not knownâ€"about the human health risks of automotive emissions.
Author: Chantal J Darquenne
Publisher: World Scientific
ISBN: 9811212198
Category : Medical
Languages : en
Pages : 222
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Book Description
This book provides a comprehensive overview of the field of aerosol science related to particle inhalation and its effect on the lung, predominately in humans. It covers the basics of aerosol behavior, transport, deposition, clearance, and effects of aerosols, both environmental and therapeutic. Aimed at the researcher entering the field of aerosol inhalation it provides a valuable introductory resource in an accessible format.
