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Books > Science & Mathematics > Science: general issues > Scientific equipment & techniques, laboratory equipment
The 14th conference in the series focused on the most recent
advances in the study of the structural and electronic properties
of semiconducting materials by the application of transmission and
scanning electron microscopy. The latest developments in the use of
other important microcharacterisation techniques were also covered
and included the latest work using scanning probe microscopy and
also X-ray topography and diffraction.
Comprises four parts, the first of which provides an overview of
the topics that are developed from fundamental principles to more
advanced levels in the other parts. Presents in the second part an
in-depth introduction to the relevant background in molecular and
cellular biology and in physical chemistry, which should be
particularly useful for students without a formal background in
these subjects. Provides in the third part a detailed treatment of
microscopy techniques and optics, again starting from basic
principles. Introduces in the fourth part modern statistical
approaches to the determination of parameters of interest from
microscopy data, in particular data generated by single molecule
microscopy experiments. Uses two topics related to protein
trafficking (transferrin trafficking and FcRn-mediated antibody
trafficking) throughout the text to motivate and illustrate
microscopy techniques
Introduction to Statistical Analysis of Laboratory Data presents a
detailed discussion of important statistical concepts and methods
of data presentation and analysis * Provides detailed discussions
on statistical applications including a comprehensive package of
statistical tools that are specific to the laboratory experiment
process * Introduces terminology used in many applications such as
the interpretation of assay design and validation as well as fit
for purpose procedures including real world examples * Includes a
rigorous review of statistical quality control procedures in
laboratory methodologies and influences on capabilities * Presents
methodologies used in the areas such as method comparison
procedures, limit and bias detection, outlier analysis and
detecting sources of variation * Analysis of robustness and
ruggedness including multivariate influences on response are
introduced to account for controllable/uncontrollable laboratory
conditions
This is the first book written on using Blender (an open-source
visualization suite widely used in the entertainment and gaming
industries) for scientific visualization. It is a practical and
interesting introduction to Blender for understanding key parts.
The Nobel Prize of 1986 on Sc- ningTunnelingMicroscopysignaled a
new era in imaging. The sc- ning probes emerged as a new - strument
for imaging with a p- cision suf?cient to delineate single atoms.
At ?rstthere were two -the ScanningTunnelingMicroscope,or
STM,andtheAtomicForceMic- scope, or AFM. The STM relies on
electrons tunneling between tip and sample whereas the AFM depends
on the force acting on the tip when itwasplacednearthesample.These
were quickly followed by the M- netic Force Microscope, MFM, and
the Electrostatic Force Microscope,
EFM.TheMFMwillimageasinglemagneticbitwithfeaturesassmallas10nm.
WiththeEFMonecanmonitorthechargeofasingleelectron.Prof.PaulHansma
atSantaBarbaraopenedthedoorevenwiderwhenhewasabletoimagebiological
objects in aqueous environments. At this point the sluice gates
were opened and amultitudeofdifferentinstrumentsappeared. There are
signi?cant differences between the Scanning Probe Microscopes or
SPM, and others such as the Scanning Electron Microscope or SEM.
The probe microscopes do not require preparation of the sample and
they operate in ambient atmosphere, whereas, the SEM must operate
in a vacuum environment and the sample must be cross-sectioned to
expose the proper surface. However, the SEM canrecord3Dimage
andmovies, featuresthatarenotavailable withthescanning probes.
TheNearFieldOpticalMicroscopeorNSOMisalsomemberofthisfamily.At
thistimetheinstrumentsuffersfromtwolimitations;1)mostoftheopticalenergy
is lost as it traverses the cut-off region of the tapered ?ber and
2) the resolution is insuf?cient for many purposes. We are con?dent
that NSOM's with a reasonable
opticalthroughputandaresolutionof10nmwillsoonappear.TheSNOMwillthen
enterthemainstreamofscanningprobes. VI Foreword In the Harmonic
Force Microscope or HFM, the cantilever is driven at the
resonantfrequencywiththeamplitudeadjustedsothatthetipimpactsthesampleon
each cycle. Theforcesbetween tipandsample generate multiple
harmonics inthe
motionofthecantilever.Thestrengthoftheseharmonicscanbeusedtocharacterize
thephysicalpropertiesofthesurface.
The microanalytical technique of atom probe tomography (APT)
permits the spatial coordinates and elemental identities of the
individual atoms within a small volume to be determined with near
atomic resolution. Therefore, atom probe tomography provides a
technique for acquiring atomic resolution three dimensional images
of the solute distribution within the microstructures of materials.
This monograph is designed to provide researchers and students the
necessary information to plan and experimentally conduct an atom
probe tomography experiment. The techniques required to visualize
and to analyze the resulting three-dimensional data are also
described. The monograph is organized into chapters each covering a
specific aspect of the technique. The development of this powerful
microanalytical technique from the origins offield ion microscopy
in 1951, through the first three-dimensional atom probe prototype
built in 1986 to today's commercial state-of-the-art three
dimensional atom probe is documented in chapter 1. A general
introduction to atom probe tomography is also presented in chapter
1. The various methods to fabricate suitable needle-shaped
specimens are presented in chapter 2. The procedure to form field
ion images of the needle-shaped specimen is described in chapter 3.
In addition, the appearance of microstructural features and the
information that may be estimated from field ion microscopy are
summarized. A brief account of the theoretical basis for processes
of field ionization and field evaporation is also included.
Scanning Tunneling Microscopy and its Application presents a unified view of the rapidly growing field of STM,and its many derivatives. A thorough discussion of the various principles provides the background to tunneling phenomena and leads to the many novel scanning-probe techniques, such as AFM, MFM, BEEM, PSTM, etc. After having examined the available instrumentation and the methods for tip and surface preparations, the monograph provides detailed accounts of STM application to metal and semiconductor surfaces, adsorbates and surface chemistry, biology, and nanofabrication. It examines limitations of the present-day investigations and provides hints about possible further trends. This second edition includes important new developments in the field.
Bringing together the contributions of eleven leading photometric
experts, this practical reference guide presents common design
formulas, essential rules-of-thumb, worked-out examples, and
discussions of photometric instruments. The book is arranged for
ease of reference. The twelve chapters, each of which may be read
independently, are grouped into three sections. The first contains
introductory material, and defines the terminology and units of
measurement used in photometry. The second section covers
photometric methods and procedures and provides numerous
illustrative case studies. The third section contains reports from
the frontiers of photometry, and includes a look at the directions
future research might take. The Handbook incorporates some special
features, including a list of Web sites which offer photometry
information. The editor has also set up the Web Companion, an
online site for discussion about the book and related photometric
issues. He will post errata and new information related to the
book, and will respond to the most frequently asked questions.
Profusely illustrated and thoroughly referenced, The Handbook of
Applied Photometry will prove invaluable to those involved in
lighting design, optical physics, or applications design, and will
be welcomed by workers in government-standards laboratories.
Sample Return Missions: The Last Frontier of Solar System
Exploration examines the discoveries and results obtained from
sample return missions of the past, present, and future. It
analyses the results in the context of the current state of
knowledge and their relation to the formation and evolution of
planetary bodies, as well as to the available technologies and
techniques. It provides detailed descriptions of experimental
procedures applied to returned samples. Beginning with an overview
of previous missions, Sample Return Missions then goes on to
provide an overview of facilities throughout the world used to
analyze the returned samples. Finally, it addresses techniques for
collection, transport, and analysis of the samples, with an
additional focus on lessons learned and future perspectives.
Providing an in-depth examination of a variety of missions, with
both scientific and engineering implications, this book is an
important resource for the planetary science community, as well as
the experimentalist and engineering communities.
Scanning Probe Microscopy - Analytical Methods provides a
comprehensive overview of the analytical methods on the nanometer
scale based on scanning probe microscopy and spectroscopy. Numerous
examples of applications of the chemical contrast mechanism down to
the atomic scale in surface physics and chemistry are discussed
with extensive references to original work in the recent
literature.
Although the specimen of choice in the US drug testing industry
is urine, and serum in clinical medicine, interest has recently
grown in the use of other matrices as drug testing media. This book
provides researchers and forensic toxicologists with a convenient
general text summarizing the state of knowledge today. Chapters
focus specifically on the application of these practices to drugs
of abuse. The up-to-date information provided is complemented with
thorough references.
Fabrication technologies for nanostructured devices have been developed recently, and the electrical and optical properties of such nanostructures are a subject of advanced research.This book describes the different approaches to spectroscopic microscopy, i.e., Electron Beam Probe Spectroscopy, Spectroscopic Photoelectron Microscopy, and Scanning Probe Spectroscopy. It will be useful as a compact source of reference for the experienced reseracher, taking into account at the same time the needs of postgraduate students and nonspecialist researchers by using a tutorial approach throughout.
Neutrons are extremely versatile probes for investigating
structure and dynamics in condensed matter. Due to their large
penetration depth, they are ideal for in-situ measurements of
samples situated in sophisticated and advanced environments. The
advent of new high-intensity neutron sources and instruments, as
well as the development of new real-time techniques, allows the
tracking of transformation processes in condensed matter on a
microscopic scale. The present volume provides a review of the
state of the art of this new and exciting field of kinetics with
neutrons.
For some people with disabilities, their interest and skills are
best applied to laboratory work. Science laboratories are
environments where hazardous materials and processes are in use,
and assessments are required to mitigate risk and ensure compliance
with Occupational Safety and Health Administration (OSHA) and
Environmental Protection Agency (EPA) regulations. Accommodating
individuals in a laboratory requires balancing adherence to those
regulations, as well as the Americans with Disabilities Act (ADA)
technical access standards. Individualized assessment and
accommodation are needed to ensure that a qualified individual with
a disability can work or study effectively in the laboratory while
ensuring a safe working environment for all. This book is intended
to be a helpful guide for professionals to understand how to
provide equal access to people with disabilities in a laboratory
environment. It will review the breadth of protections that are
provided by the ADA. This book also covers the roles and
responsibilities of persons involved in laboratory oversight,
including institutional policies and their limitations with respect
to providing appropriate support for individualized assessments in
the laboratory.
This book illustrates the significance of various optical
spectroscopy and microscopy techniques, including absorption
spectroscopy, fluorescence spectroscopy, infrared spectroscopy, and
Raman spectroscopy for deciphering the nature of biological
molecules. The content of this book chiefly focuses on (1) the
principle, theory, and instrumentation used in different optical
spectroscopy techniques, and (2) the application of these
techniques in exploring the nature of different biomolecules (e.g.,
proteins, nucleic acids, enzymes, and carbohydrates). It emphasizes
the structural, conformational and dynamic, and kinetic including
the changes in biomolecules under a range of conditions. In
closing, the book summarizes recent advances in the field of
optical spectroscopic and microscopic techniques.
The Nobel Prize of 1986 on Sc- ning Tunneling Microscopy sig- led a
new era in imaging. The sc- ning probes emerged as a new i- trument
for imaging with a pre- sion suf?cient to delineate single atoms.
At ?rst there were two - the Scanning Tunneling Microscope, or STM,
and the Atomic Force Mic- scope, or AFM. The STM relies on
electrons tunneling between tip and sample whereas the AFM depends
on the force acting on the tip when it was placed near the sample.
These were quickly followed by the - gneticForceMicroscope,MFM,and
the Electrostatic Force Microscope, EFM. The MFM will image a
single magnetic bit with features as small as 10nm. With the EFM
one can monitor the charge of a single electron. Prof. Paul Hansma
at Santa Barbara opened the door even wider when he was able to
image biological objects in aqueous environments. At this point the
sluice gates were opened and a multitude of different instruments
appeared. There are signi?cant differences between the Scanning
Probe Microscopes or SPM, and others such as the Scanning Electron
Microscope or SEM. The probe microscopes do not require preparation
of the sample and they operate in ambient atmosphere, whereas, the
SEM must operate in a vacuum environment and the sample must be
cross-sectioned to expose the proper surface. However, the SEM can
record 3D image and movies, features that are not available with
the scanning probes.
Spark scientific curiosity from a young age with this six-level
course through an enquiry-based approach and active learning.
Collins International Primary Science fully meets the requirements
of the Cambridge Primary Science Curriculum Framework from 2020 and
has been carefully developed for a range of international contexts.
The course is organised into four main strands: Biology, Chemistry,
Physics and Earth and Space and the skills detailed under the
'Thinking and Working Scientifically' strand are introduced and
taught in the context of those areas. For each Student's Book at
Stages 1 to 6, we offer: A full colour and highly illustrated
Student's Book Photo-rich spreads show that science is 'real' and
puts it into context Earth and Space content covers the new
curriculum framework Thinking and Working Scientifically deepens
and enhances the delivery of Science skills Actively learn through
practical activities that don't require specialist equipment or
labs Scaffolding allows students of varying abilities to work with
common content and meet learning objectives Supports Cambridge
Global Perspectives (TM) with activities that develop and practise
key skills Provides learner support as part of a set of resources
for the Cambridge Primary Science curriculum framework (0097) from
2020 This series is endorsed by Cambridge Assessment International
Education to support the new curriculum framework 0097 from 2020.
Most cells will survive removal from the natural mic- environment
of their in vivo tissue and placement into a sterile culture dish
under optimal conditions. Not only do they survive, but they also
multiply and express differen- ated properties in such a culture
dish. A few cells do this in suspension, but most will need some
kind of mechanical support substituting for their natural
connections with other cells. The surface of a culture dish that
might have to be coated is usually sufficient. The recent trend to
standa- ization of conditions and the existence of commercial ent-
prises with adequate funds and specializing in the needs of
scientists were responsible for the tremendous proliferation of
cell culture techniques in all fields of research in the last 20
years. No longer does a scientist have to concentrate all his/her
efforts on that technology; the new trends make it feasible to
employ cell culture techniques as only one of the many methods
available in a small corner of a larger research laboratory. Some
areas of research depend more heavily than others on cell culture
techniques. Neuroscience is one of the areas that has developed
hand in hand with the prol- eration of cell culture methodology.
Molecular biological aspects, cell differentiation and development,
neurophy- ological and neurochemical studies, as well as
investigations into the nature of various diseases are now to a
large extent dependent on the use of cell cultures.
Mammalian cells have evolved a complex multicomponent machinery
that enables them to sense and respond to a wide variety of
potentially toxic agents present in their environment. These stress
responses are often associated with an increased cellular capacity
to tolerate normally lethal levels of an insult. The realization
that the mammalian stress response may be intimately linked with
many human diseases, including rheumatoid arthritis, ischemia,
fever, infection, and cancer, has led to an explosion of interest
in this research area. Stress Response: Methods and Protocols
brings together a diverse array of practical methodologies that may
be employed to address various aspects of the response of mammalian
cells to environmental stress. The p- tocols are carefully
described by authors who have both devised and succe- fully
employed them, and they represent a mixture not only of
well-established techniques, but also new technologies at the
leading edge of research. The areas covered include the detection
and assay of stress-induced damage, the acti- tion of signal
transduction pathways, stress-inducible gene expression, and stress
protein function. Although no volume of this size can be
comprehensive and the topics covered reflect a personal choice, it
is hoped that it will prove of subst- tial interest and use to a
wide range of research workers in the field.
This detailed book highlights recent advances in molecular imaging
techniques and protocols, designed to be immediately applicable in
global bio-laboratories. The chapters are categorized into seven
major groups according to the reporter materials, such as imaging
with passive optical readouts, activatable bioluminescent probes,
functional substrates and luciferases, organic fluorescent probes,
BRET probes, FRET probes, as well as with advanced instrumentation.
Written for the highly successful Methods in Molecular Biology
series, chapters include introductions to their respective topics,
lists of the necessary materials and reagents, step-by-step,
readily reproducible laboratory protocols, and tips on
troubleshooting and avoiding known pitfalls. Authoritative and
practical, Live Cell Imaging: Methods and Protocols aims to direct
and inspire researchers into creating smarter, next-generation
imaging techniques that are truly quantitative, highly sensitive,
and readily comprehended, in the effort to engender deeper
understanding of biological systems and break new ground in the
research fields of life science.
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