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Books > Science & Mathematics > Science: general issues > Scientific equipment & techniques, laboratory equipment > Microscopy
With many chemicals once used to prepare and mount specimens on slides now banned or deemed toxic, the enthusiast microscopist requires accress to easy-to-source mixes and chemicals to mount their own slides. This work by Walter Dioni provides a perfect solution.
AN INTRODUCTION TO The Theory and Use of the Microscope BY C. R. MARSHALL, M. A., M. D., LL. D. Professor of Materia Medico, and Therapeutics in the University of Aberdeen. AND H. D. GRIFFITH, B. A. Carnegie Teaching Fellow in Natural Philosophy in the University of Aberdeen. WITH TWENTY-NINE FIGURES IN THE TEXT AND THREE PLATES LONDON GEORGE ROUTLEDGE SONS, LTD. BROADWAY HOUSE 68-74 CARTER LANE, E. G. PRINTED IN GREAT BRITUN BY W. JOLLY AND SONS, LTD., ABERDEEN. FOREWORD. THE inspiration of this brochure was the institution of lectures and practical work on Microscopy as part of the class of Medical Physics in the University of Aberdeen. It was felt that a small textbook covering the work of the systematic lectures would be helpful . to the student and might aid him to realize the capabilities, limitations and proper method of use of the instrument. A chapter on the elementary mathematical treat ment of certain problems discussed in the text has been added. It is hoped that the work will prove of value to all students who require a microscope in their studies as well as to those amateur microscopists who wish to understand the fundamental principles on which Microscopy is based. C. R. M. H. D. G. January, 1928. CONTENTS. PAGE. INTRODUCTION i 10 The Simple Convex Lens Formation of the Image The Influence of the Eye Visibility of Objects The Simple Microscope The Compound Microscope. THE LENSES OF THE MICROSCOPE . . . n 32 Chromatic Aberration Spherical Aberration. OBJECTIVES. Achromatic, Semi-apochromatic, Apochromatic Focal Length Numerical Aperture Depth of Focus Working Distance Flatness of Field. EYEPIECES. Huyghenian Positive-Ramsden Disc Magnifying Power. CONDENSERS. AbbeAchromatic - Critical Illumination Focal Length Dark Ground Condensers Ultra Microscopy. RESOLUTION 33 36 Limit of Microscopic Vision Ultra-Violet Microscopy Abbes Diffraction Theory. THE STAND 37 44 The Foot The Stage The Substage The Body The Nose Piece The Limb Choice of Stand Choice of Objectives Choice of Eyepieces Testing Objectives. ILLUMINANTS 45 49 Illumination of Transparent Objects Dark Ground Effects Oblique Illumination Illu ination of Opaque Objects, vili. CONTENTS ADJUSTMENT 50 56 Adjustment of Mirror Focusing of Condenser Centering of Condenser Adjustment of Iris Diaphragm Adjustment of Tube Length Changing Objectives Changing Eyepieces Care of the Microscope., MlCROMETRY 57 62 Stage and Eyepiece Micrometers Photo-Micrography Measurement of Magnification Drawing Eyepieces Measurement of Thick ness. SPECTROSCOPY . ... 6364 SPECIAL MICROSCOPES ...... 65 72 The Metallurgical Microscope The Petro logical Microscope. Binocular Microscopes Greenough Wenham, Compound Prism Abbes Stereoscopic Eye piece Binocular Vision Binocular Rivalry. PHYSICAL PROOFS 73 84 Magnification Numerical Aperture Depth of Focus Ramsden Circle Chromatic Correction Sine Condition and Aplanatism Resolution. INDEX, 85 90 PLATES to face pp. 6, 28, 36 AN INTRODUCTION TO THE THEORY AND USE OF THE MICROSCOPE. THE function of the microscope is to reveal detail of the structure of objects too small to be visible to the unaided eye. This end is attained by the use of a series of lenses which make the object appear magnified to the observer. The magnification to be of value must extend to the finest detail of the object and each successive stage of magnification should reveal structure invisible without its aid.So-called c resolution J of detail in an object does not of necessity result from mere optical magnification. Magnification is necessary to attain it, but other factors are involved. It is the aim of this brochure to explain the principles of microscopy and the manipulations by which resolution is obtained. For these purposes it is essential to consider first certain properties of the simple convex lens, and some of the conditions governing the visibility of objects. THE SIMPLE CONVEX LENS...
In 1987, Barry Lynes wrote the classic book on Rife history called The Cancer Cure That Worked. Rife's World of Electromedicine is the sequel, published in 2009. What is the difference between the two books? The Cancer Cure That Worked was primarily a biographical account of Royal Raymond Rife's life and work, including detailed, dated records of the events which occurred, and in-depth accounts from the people involved. Rife's World of Electromedicine, on the other hand, is a bird's eye view, short summary of the same time period and events. Instead of a detailed biography, Rife's World is an expository piece that includes brief, targeted chapters addressing each aspect of Rife's era, utilizing piercing, specific, and direct quotes and excerpts from historical documents including magazine and newspaper articles, court transcripts, Rife's own statements, and the eye-witness accounts of those who were present during Rife's lifelong achievements. Written as a short story, Rife's World is affordably priced so that everyone can read about Royal Raymond Rife. The book is a perfect gift for someone who wants to find out more about Rife but doesn't have time to read a longer book. Additionally, the new book explains what 20] years of additional research and document retrieval by a dedicated grass roots group have discovered and unearthed. Some of the previously missing, key factors in the suppressed and censored cure for cancer were lost or even locked away in physicians' closets for decades in order to prevent censors from destroying overwhelming evidence. Now, this evidence is printed for the first time in Rife's World.
The detection and measurement of the dynamic interactions of
proteins within the living cell are critical to our understanding
of cell physiology and pathophysiology. With FRET microscopy and
spectroscopy techniques, basic and clinical scientists can make
such measurements at very high spatial and temporal resolution. But
sources of background information about these tools are very
limited, so this book fills an important gap. It covers both the
basic concepts and theory behind the various FRET microscopy and
spectroscopy techniques, and the practical aspects of using the
techniques and analyzing the results. The critical tricks for
obtaining a good FRET image and precisely quantitating the signals
from living specimens at the nanomolecular level are explained.
Valuable information about the preparation of biological samples
used for FRET image analysis is also provided.
This book provides a comprehensive account of the theory of image formation in a confocal fluorescence microscope as well as a practical guideline to the operation of the instrument, its limitations, and the interpretation of confocal microscopy data. The appendices provide a quick reference to optical theory, microscopy-related formulas and definitions, and Fourier theory.
Distributed feedback (DFB) semiconductor lasers emit light in a single mode which is essential to providing the carrier in long haul high bit-rate optical communication systems. This comprehensive research monograph provides: thorough analysis of the operation and design of DFB lasers a high level of tutorial discussion with many valuable appendices the first full account of time-domain numerical modelling techniques applicable to future optical systems as well as present devices Web access to a suite of MATLAB programs (student version MATLAB 4 or higher). It is essential reading for those studying optical communications at graduate and advanced under-graduate level, and a key book for industrial designers of opto-electronic devices.
Due to its nondestructive imaging power, scanning tunneling microscopy has found major applications in the fields of physics, chemistry, engineering, and materials science. This book provides a comprehensive treatment of scanning tunneling and atomic force microscopy, with full coverage of the imaging mechanism, instrumentation, and sample applications. The work is the first single-author reference on STM and presents much valuable information previously available only as proceedings or collections of review articles. It contains a 32-page section of remarkable STM images, and is organized as a self-contained work, with all mathematical derivations fully detailed. As a source of background material and current data, the book will be an invaluable resource for all scientists, engineers, and technicians using the imaging abilities of STM and AFM. It may also be used as a textbook in senior-year and graduate level STM courses, and as a supplementary text in surface science, solid-state physics, materials science, microscopy, and quantum mechanics.
Explore the miracles of the microscopic world. Find out all about the unique and beautiful kingdoms of life at a microscopic scale and how every organism meets the challenges of survival no matter its size. The perfect book for people who enjoy photography, nature, and biology. Inside the pages of this exciting nature book, you'll find: - Microscopic life-forms (often neglected), and their larger life-forms in extreme close-ups, revealing details such as nerve cells and hair follicles - Artworks support the beautiful images, providing a deeper insight into structure and function and building a picture of how living organisms work at a microscopic level - Comprehensive coverage of the natural world, including all the main groups of living things - Explores overlooked groups that have a huge role in the natural world: insects, which make up 80 percent of the world's animal species; and bacteria - of which there are more in a human mouth than there are people in the world - The book is organised according to the main functions of life: movement, reproduction, energy and feeding, sensing the surroundings, defence, etc. - Foreword for the book written by Chris Packham Explore the inhabitants of an invisible world in incredible detail with this book which contains macro photography and spectacular microscope imagery. You'll have so much information about the hidden world of intricate structures beyond the naked eye. From the tiniest spiders and insects to even microscopic creatures such as bacteria and viruses, this book contains it all! See the beauty of a pollen grain, a butterfly egg, the spore of a fungus, and a human's nerve cell in extreme close up. The amazing imagery in Micro Life contains focus-stacked macro photographs and micrographs (microscope images), including scanning electron micrographs. Illustrations in this book explain the science - from the workings of an insect's eye to how a plant "breathes" through its leaves. Micro Life is an unexpectedly breathtaking look at the natural world. Find out how life works and how organisms solve the fundamental problems of movement, reproduction, energy, communication, and defence. Suitable for all the family, this stunning book makes a wonderful gift for those interested in photography, nature or biology.
The Biology of Human Starvation was first published in 1950. Minnesota Archive Editions uses digital technology to make long-unavailable books once again accessible, and are published unaltered from the original University of Minnesota Press editions.With great areas of the world battling the persistent and basic problem of hunger, this work constitutes a major contribution to needed scientific knowledge. The publication is a definitive treatise on the morphology, biochemistry, physcology, psychology, and medical aspects of calorie undernutrition, cachexia, starvation, and rehabilitation in man. Presented critically and systematically are the fact and theory from the world literature, including the evidence from World War II and the finding of the Minnesota Starvation Experiment (1944*1946). Pertinent experiments and field and clinical observations to 1949 are covered. The extensive original research involved was conducted at the University of Minnesota Laboratory of Physiological Hygiene, which Dr. Keys heads. The authors, all of the laboratory staff, were assisted in preparation of the work by Ernst Simonson, Samuel Wells and Angie Sturgeon Skinner.
Allgemeine Informationen, - Datenverwaltung mit Excel und SAS Studio.- Datenmanagement mit Excel und SAS Studio.- Vorbemerkungen und Informationen zur statistischen Analyse medizinischer Daten.- Deskriptive Statistik.- Zusammenhang von Variablen.- Statistische Tests fur unabhangige Beobachtungen.- Statistische Tests fur abhangige Beobachtungen.- Einstichprobentests und Konfidenzintervalle.- UEberlebenszeitanalyse.- Fallzahlberechnungen.- Anhang.
Molecular Morphology in Human Tissues: Techniques and Applications presents the most advanced molecular morphological techniques to date. This integrated approach to molecular morphology provides powerful analytical and diagnostic tools at the genome level, making the diagnosis and management of cancer, viral infections, and other diseases more precise and reliable. The pioneers of these techniques contribute step-by-step protocols with tips, guidelines, and other suggestions from their own notebooks, enabling experienced scientists as well as beginners to apply the most progressive detection methods available and to obtain optimal results.
Pushing the frontiers of electrochemistry—a survey of new surface imaging techniques. This latest installment in the Frontiers of Electrochemistry series helps readers gain insight into one of the hottest areas of modern electrochemistry. Tracing recent advances in the imaging of electrified surfaces, this volume describes cutting-edge techniques that allow us to record real-time and real-space images with atomic resolution, observe structures of surfaces and interfaces directly on a display, study the distribution of atoms and molecules during a surface reaction, and much more. Leading international authorities discuss surface imaging techniques used in technologies involving electrocrystallization and electrodeposition of metals—employing numerous examples to demonstrate site specificity of electrode processes, and discussing applications to electronic materials such as the capacity to print nanopatterns at electrode surfaces. They cover techniques that advance our understanding of the properties of organic films and surfaces and interfaces, including scanning electron microscopy and microprobes and atomic force microscopy. Finally, they review the theory of electron tunneling at the metal/solution interface, helping readers interpret images of electrode surfaces obtained by scanning tunneling microscopy. Designed to meet the needs of specialists and nonspecialists alike, Imaging of Surfaces and Interfaces provides plenty of background material along with eight color plates. It is an important resource for scientists involved in electrochemistry, surface science, materials science, and electrodeposition technologies.
The Biology of Human Starvation was first published in 1950. Minnesota Archive Editions uses digital technology to make long-unavailable books once again accessible, and are published unaltered from the original University of Minnesota Press editions. With great areas of the world battling the persistent and basic problem of hunger, this work constitutes a major contribution to needed scientific knowledge. The publication is a definitive treatise on the morphology, biochemistry, physcology, psychology, and medical aspects of calorie undernutrition, cachexia, starvation, and rehabilitation in man. Presented critically and systematically are the fact and theory from the world literature, including the evidence from World War II and the finding of the Minnesota Starvation Experiment (1944*1946). Pertinent experiments and field and clinical observations to 1949 are covered. The extensive original research involved was conducted at the University of Minnesota Laboratory of Physiological Hygiene, which Dr. Keys heads. The authors, all of the laboratory staff, were assisted in preparation of the work by Ernst Simonson, Samuel Wells and Angie Sturgeon Skinner.
The confocal microscope is appropriate for imaging cells or the measurement of industrial artefacts. However, junior researchers and instrument users sometimes misuse imaging concepts and metrological characteristics, such as position resolution in industrial metrology and scale resolution in bio-imaging. And, metrological characteristics or influence factors in 3D measurement such as height assessment error caused by 3D coupling effect are so far not yet identified. In this book, the authors outline their practices by the working experiences on standardization and system design. This book assumes little previous knowledge of optics, but rich experience in engineering of industrial measurements, in particular with profile metrology or areal surface topography will be very helpful to understand the theoretical concerns and value of the technological advances. It should be useful for graduate students or researchers as extended reading material, as well as microscope users alongside their handbook.
Atomic Force Microscopy: Principles, Developments and Applications presents Atomic Force Microscopy (AFM) as one of the most powerful tools for the analysis of morphologies because it creates three-dimensional images at the angstrom and nano scale. This technique has been exhaustively used in the analyses of the dispersion of nanometric components in nanocomposites and in polymeric blends because of the easiness of the sample preparation and lower equipment maintenance costs compared to the electron microscopy. Contributions to different application areas using the AFM are described, emphasizing the analysis of the morphology of composites/nanocomposites and polymeric blends based on elastomeric materials. Following this, the authors examine the basic concept of DEP and its integration with AFM to generate DEP, as well as review DEP-based AFM methods of imaging local electric polarizability with nanoscale spatial resolution. The direct measurement of DEP strength and polarity using a multi-pass AFM technique is described, contributing to the optimization and calibration of DEP integrated nano-devices for the effective control and manipulation of target biomolecules. The combination of in situ AFM-study of model crystals and ex situ-scanning of natural crystals makes it possible to carry out a partial reconstruction of natural crystallogenetics processes. With the use of these methods and microtomography, the authors estimate the concentration of silica in the mother solution at the time of capture of inclusions was estimated for the first time. Next, a study is presented with the goal of evaluating the morphology of surface asphalt films obtained through spin coating and characterized by AFM. The samples were pure asphalt and modified with two types of asphaltenes called continental type and archipelago type. The asphaltene fractions in the micellar system define the morphological stability of the asphalt resulting from a contribution of all the existing forces between the supramolecules of the system. The closing study presents in situ AFM investigations of crystal dissolution. The statistical data shows considerable differences in tangential dissolution rate on the two spirals consisting of nine and four screw dislocations.
This book enlightens readers on the basic surface properties and distance-dependent intersurface forces one must understand to obtain even simple data from an atomic force microscope (AFM). The material becomes progressively more complex throughout the book, explaining details of calibration, physical origin of artifacts, and signal/noise limitations. Coverage spans imaging, materials property characterization, in-liquid interfacial analysis, tribology, and electromagnetic interactions. "Supplementary material for this book can be found by entering ISBN 9780470638828 on booksupport.wiley.com" |
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