Download or read book Mirror Image Asymmetry written by James P. Riehl and published by John Wiley & Sons. This book was released on 2011-04-22 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: An overview of the importance and consequences of asymmetry from molecules to the macroscopic world As scientists have become more capable of probing the structure of three-dimensional objects at the molecular level, the need to understand the concept and the consequences of mirror-image asymmetry—chirality—has increased enormously. Written at an introductory level, Mirror-Image Asymmetry provides an overview of the importance and effects of asymmetry from the atomic and molecular world of physics and chemistry to the organisms and structures that we see and use in our everyday life. The reader will develop a broad appreciation of three-dimensional asymmetry from the microscopic molecular world to the macroscopic world of handedness, automobile driving, windmills, sports, and similar phenomena. The book features: An introduction to basic definitions and the nomenclature of asymmetric and dissymmetric molecules Up-to-date examples of the importance and consequences of asymmetry in modern drug applications, current theories of the origin of asymmetry in nature, and examples of molecular asymmetry in smell, taste, and insect communication Many illustrations, chemical structures, and photographs that enable the reader to connect the actual asymmetrical structures to the different phenomena that depend on structural asymmetry In the 150 years since Louis Pasteur discovered asymmetry in molecular structures, scientists have made great progress in understanding how interactions between chiral molecules influence biochemical processes. This knowledge is leading to very sophisticated asymmetric synthetic techniques that have greatly benefitted many research groups especially those in the pharmaceutical industry. This guide to the role of molecular and macroscopic chirality will inspire students and scientists in chemistry, biology, physics, and drug discovery.
Download or read book On Chirality and the Universal Asymmetry written by Georges H. Wagnière and published by John Wiley & Sons. This book was released on 2007-07-23 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Until half a century ago, it was assumed that the forces of nature were symmetric and that they did not distinguish between right and left, between image and mirror image. The discovery of the violation of parity in 1956 was more than a sensation, for some it was a shock. It implied that the universe displays handedness, or chirality, and that it is fundamentally asymmetric. Remarkably, a most striking asymmetry is encountered in the realm of biology. Living organisms contain proteins built almost exclusively from L-amino acids, and nucleic acids derived from D-sugars only. Yet a mirror-image biochemistry, based on D-amino acids and L-sugars is, from a purely chemical standpoint, entirely conceivable. Where, then, does this extraordinary natural selectivity come from? Is it directly, or indirectly, connected to the universal violation of parity? This book is meant as a brief review of the various manifestations of handedness, or chirality, in the universe. It does not attempt to present a solution to basic questions which perhaps will never be unambiguously and conclusively answered. Rather, it is an excursion through nature, to observe and recognize how the chirality manifests itself at different structural levels. The excursion starts in the chemistry and physics laboratory. Then a journey into outer space and back in time is undertaken. After a return to our planet Earth, the focus is on the development of living organisms. The text should be accessible to anyone having the equivalent of a first-year university instruction in physics and chemistry. It is also hoped that a layperson with a more modest scientific formation may gain a general impression of the basic asymmetry in nature and of the fundamental significance of chirality. Mathematical expressions, wherever they occur, may then be overlooked. Some more difficult sections may be skipped. A Glossary preceding the Subject Index should be helpful.
Download or read book Asymmetry written by Lisa Halliday and published by Simon and Schuster. This book was released on 2018-02-06 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: A TIME and NEW YORK TIMES TOP 10 BOOK of the YEAR * New York Times Notable Book and Times Critic’s Top Book of 2018 NAMED ONE OF THE BEST BOOKS OF 2018 BY * Elle * Bustle * Kirkus Reviews * Lit Hub* NPR * O, The Oprah Magazine * Shelf Awareness The bestselling and critically acclaimed debut novel by Lisa Halliday, hailed as “extraordinary” by The New York Times, “a brilliant and complex examination of power dynamics in love and war” by The Wall Street Journal, and “a literary phenomenon” by The New Yorker. Told in three distinct and uniquely compelling sections, Asymmetry explores the imbalances that spark and sustain many of our most dramatic human relations: inequities in age, power, talent, wealth, fame, geography, and justice. The first section, “Folly,” tells the story of Alice, a young American editor, and her relationship with the famous and much older writer Ezra Blazer. A tender and exquisite account of an unexpected romance that takes place in New York during the early years of the Iraq War, “Folly” also suggests an aspiring novelist’s coming-of-age. By contrast, “Madness” is narrated by Amar, an Iraqi-American man who, on his way to visit his brother in Kurdistan, is detained by immigration officers and spends the last weekend of 2008 in a holding room in Heathrow. These two seemingly disparate stories gain resonance as their perspectives interact and overlap, with yet new implications for their relationship revealed in an unexpected coda. A stunning debut from a rising literary star, Asymmetry is “a transgressive roman a clef, a novel of ideas, and a politically engaged work of metafiction” (The New York Times Book Review), and a “masterpiece” in the original sense of the word” (The Atlantic). Lisa Halliday’s novel will captivate any reader with while also posing arresting questions about the very nature of fiction itself.
Download or read book Breast Imaging written by Christoph I. Lee and published by Oxford University Press. This book was released on 2018 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: Breast Imaging presents a comprehensive review of the subject matter commonly encountered by practicing radiologists and radiology residents in training. This volume includes succinct overviews of breast cancer epidemiology, screening, staging, and treatment; overviews of all imaging modalities including mammography, tomosynthesis, ultrasound, and MRI; step-by-step approaches for image-guided breast interventions; and high-yield chapters organized by specific imaging finding seen on mammography, tomosynthesis, ultrasound, and MRI. Part of the Rotations in Radiology series, this book offers a guided approach to breast imaging interpretation and techniques, highlighting the nuances necessary to arrive at the best diagnosis and management. Each chapter contains a targeted discussion of an imaging finding which reviews the anatomy and physiology, distinguishing features, imaging techniques, differential diagnosis, clinical issues, key points, and further reading. Breast Imaging is a must-read for residents and practicing radiologists seeking a foundation for the essential knowledge base in breast imaging.
Download or read book The Universe in the Rearview Mirror written by Dave Goldberg and published by Penguin. This book was released on 2014-06-24 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: “A great read… Goldberg is an excellent guide.”—Mario Livio, bestselling author of The Golden Ratio Physicist Dave Goldberg speeds across space, time and everything in between showing that our elegant universe—from the Higgs boson to antimatter to the most massive group of galaxies—is shaped by hidden symmetries that have driven all our recent discoveries about the universe and all the ones to come. Why is the sky dark at night? If there is anti-matter, can there be anti-people? Why are past, present, and future our only options? Saluting the brilliant but unsung female mathematician Emmy Noether as well as other giants of physics, Goldberg answers these questions and more, exuberantly demonstrating that symmetry is the big idea—and the key to what lies ahead.
Download or read book Science Paradox and the Moebius Principle written by Steven M. Rosen and published by SUNY Press. This book was released on 1994-01-01 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Science, Paradox, and the Moebius Principle confronts basic anomalies in the foundations of contemporary knowledge. Steven M. Rosen deals with paradoxes that call into question our conventional way of thinking about space, time, and the nature of human experience. Rosen's contribution is unique in at least five respects: 1) He provides an unparalleled integration of modern theoretical science and contemporary phenomenological thought. 2) He features a section of dialogue with David Bohm, who contributed greatly in fields of major concern to the book. 3) He sets forth a process theory and philosophy, presenting a concept in which space, time, and consciousness undergo a continuous internal transformation and organic growth. 4) He furnishes a highly specific account of dialectical change, employing geometric forms that bring the dynamics of paradox into focus with unprecedented clarity. 5) He is transdisciplinary and provides transcultural bridges between the "two cultures" of science and the humanities.
Download or read book Asymmetry in Plants written by Bir Bahadur and published by CRC Press. This book was released on 2019-03-25 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plants exhibit forms of asymmetry analogous to "handedness" in bilaterally symmetrical animals. This book explores the evolutionary significance and development of asymmetry. Examples of genetic control include the direction of tendril or stem coiling of many climbing plants; the so-called spiral phyllotaxy and floral taxy; and contorted petal arrangement is another kind of left- right symmetry in plants; the direction of contortion is fixed in some but not in other plants. The book will underscore tha all phenomena related to handedness start during embryogenesis itself, with the occurrence of embryo rotation. Key selling features: First consolidated book on Plant Handedness Relates handedness, asymmetry and chirality to the evolution of different organizational levels in plant biology Emphasizes handedness as a vital governing force in plant functional evolution Provides a new perspective, hitherto ignored, into plant developemtn and evolution Describes how an age-old phenomenon can give scope for investigation from a very modern interdisciplinary approach
Download or read book Electronics Engineering written by and published by Krishna Prakashan Media. This book was released on with total page 1740 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physics for B Sc Students Semester III Theory Practical Electromagnetic Theory Modern Optics NEP UP written by P S Hemne & C L Arora and published by S. Chand Publishing. This book was released on with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: · This textbook has been designed to meet the needs of B.Sc. Third Semester students of Physics as per Common Minimum Syllabus prescribed for all Uttar Pradesh State Universities and Colleges under the recommended National Education Policy 2020. · Maintaining the traditional approach to the subject, this textbook comprehensively covers both the parts of the theory papers, namely, Electromagnetic Theory and Modern Optics as well as the Practical Paper. · The theory part includes important theoretical topics such as Electrostatics, Magnetostatics, Time Varying Electromagnetic Fields, Electromagnetic Waves, Interference, Diffraction, Polarisation and Lasers are aptly discussed to give a complete overview of Electromagnetic Theory & Modern Optics. · The practical part covers experiments which are on Carey Foster bridge, Earth inductor, deflection and vibration magnetometer, study of variation of magnetic field along the axis of a single and double coil. Ballistic galvanometer-based experiments to determine high resistance, low resistance, self-inductance and comparison of capacitances are explained in detail.
Download or read book Chemistry Simplified NCERT Class 12 written by Sanjay Sharma and published by Arihant Publications India limited. This book was released on 2020-04-26 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: Competitive exams have been the new approach to life, for all students. Every good college is attainable through a National or Regional Level exam. NCERT Textbooks have become the benchmark for syllabus and theory for these exams. Every student needs to learn these textbooks by heart. But it’s always compact and feels short. Simplified NCERT from Arihant is one of a kind reference book which helps student to grasp all key points and concepts in a simple manner which is easy to retain yet clearing all concepts. Chemistry as a subject needs visualization to learn, the latest edition has been made in such a way that you can attain the entire chemistry concept in an easy and interactive language. The book is developed volume wise to cater class wise needs. TABLE OF CONTENT The Solid State, Solutions, Electrochemistry, Chemical Kinetics, Surface Chemistry, Elements ke Isolation ke General Principles evmProcesses, The p-Block Elements, The d-and f-Block Elements, Coordination Compounds, Haloalkanes and Haloarenes, Alcohols, Phenols and Ethers, Aldehydes, Ketones va Carboxylic Acids, Amines, Biomolecules, Polymers, Chemistry in Everyday Life
Download or read book Oswaal CBSE NCERT One for All Class 12 Chemistry For 2025 Board Exam written by Oswaal Editorial Board and published by Oswaal Books. This book was released on 2024-05-04 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: Description of the Product: • 100 % Updated as per latest syllabus issued by CBSE • Extensive Theory with Concept wise Revision Notes, Mind Maps and Mnemonics • Visual Learning Aids with theoretical concepts and concept videos • NEP Compliance – with inclusion of CFPQ & Learning Framework • • questions issued by CBSE • Valuable Exam Insights – with all NCERT Textbooks questions & important NCERT Exemplar questions with solutions • Exam Readiness – with Previous Years’ Questions & SQP Questions and Board Marking Scheme Answers • On Point Practice – with Self-Assessment Questions & Practice Papers
Download or read book Human Malformations and Related Anomalies written by Roger E. Stevenson and published by Oxford University Press. This book was released on 2005-10-27 with total page 1510 pages. Available in PDF, EPUB and Kindle. Book excerpt: This widely acclaimed reference work gives a comprehensive survey of all significant human malformations and related anomalies from the perspective of the clinician. The anomalies are organized by anatomical system and presented in a consistent manner, including details of the clinical presentation, epidemiology, embryology, treatment and prevention for each anomaly. When known, the molecular or other pathogenetic basis for the malformation is given. Most anomalies are illustrated by photographs or drawings. Specific malformations are linked to syndromes through the extensive use of differential diagnosis tables. Over a decade has passed since the first edition of this book was published, and the revised edition fully incorporates the advances made in the field during the intervening years.. It reflects new understanding of human developmental biology that has emerged from molecular, cytogenetic, and biochemical studies; new observations by clinicians as well as enhanced diagnostic and prevention capacities; and more accurate and comprehensive epidemiology. By condensing much of the information presented in the first volume of the previous edition, and exercising rigorous editorial control, Drs. Stevenson and Hall and their contributors have managed to update the book while reducing its size to that of a single volume. All clinicians and scientists interested in birth defects, including pediatricians, geneticists, genetic counselors, obstetricians, and pediatric pathologists, will find this book to be an invaluable source of information.
Download or read book Symmetry As A Developmental Principle In Nature And Art written by Werner Hahn and published by World Scientific. This book was released on 1998-10-16 with total page 533 pages. Available in PDF, EPUB and Kindle. Book excerpt: Looking beyond the boundaries of various disciplines, the author demonstrates that symmetry is a fascinating phenomenon which provides endless stimulation and challenges. He explains that it is possible to readapt art to the sciences, and vice versa, by means of an evolutionary concept of symmetry. Many pictorial examples are included to enable the reader to fully understand the issues discussed. Based on the artistic evidence that the author has collected, he proposes that the new ars evolutoria can function as an example for the sciences.The book is divided into three distinct parts, each one focusing on a special issue. In Part I, the phenomenon of symmetry, including its discovery and meaning is reviewed. The author looks closely at how Vitruvius, Polyclitus, Democritus, Plato, Aristotle, Plotinus, Augustine, Alberti, Leonardo da Vinci and Durer viewed symmetry. This is followed by an explanation on how the concept of symmetry developed. The author further discusses symmetry as it appears in art and science, as well as in the modern age. Later, he expounds the view of symmetry as an evolutionary concept which can lead to a new unity of science. In Part II, he covers the points of contact between the form-developing process in nature and art. He deals with biological questions, in particular evolution.The collection of new and precise data on perception and knowledge with regard to the postulated reality of symmetry leads to further development of the evolutionary theory of symmetry in Part III. The author traces the enormous treasure of observations made in nature and culture back to a few underlying structural principles. He demonstrates symmetry as a far-reaching, leading, structuring, causal element of evolution, as the idea lying behind nature and culture. Numerous controllable reproducible double-mirror experiments on a new stereoscopic vision verify a symmetrization theory of perception.
Download or read book The Psychology of Left and Right written by Michael C. Corballis and published by Routledge. This book was released on 2020-09-10 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originally published in 1976, this title deals with the problem of how we tell left from right. The authors argue that the ability to tell left from right depends ultimately on a bodily asymmetry, such as preference for one or the other hand, or dominance of one side of the brain. This has implications for child development, reading disability, navigation, art, and culture.
Download or read book Lehninger Principles of Biochemistry written by Albert L. Lehninger and published by Macmillan. This book was released on 2005 with total page 1256 pages. Available in PDF, EPUB and Kindle. Book excerpt: CD-ROM includes animations, living graphs, biochemistry in 3D structure tutorials.
Download or read book Amino Acids and the Asymmetry of Life written by Uwe Meierhenrich and published by Springer Science & Business Media. This book was released on 2008-08-15 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: "How did life originate and why were left-handed molecules selected for its architecture?" This question of high public and interdisciplinary scientific interest is the central theme of this book. It is widely known that in processes triggering the origin of life on Earth, the equal occurrence, the parity between left-handed amino acids and their right-handed mirror images, was violated. The balance was inevitably tipped to the left – as a result of which life's proteins today exclusively implement the left form of amino acids. Written in an engaging style, this book describes how the basic building blocks of life, the amino acids, formed. After a comprehensible introduction to stereochemistry, the author addresses the inherent property of amino acids in living organisms, namely the preference for left-handedness. What was the cause for the violation of parity of amino acids in the emergence of life on Earth? All the fascinating models proposed by physicists, chemists and biologist are vividly presented including the scientific conflicts. The author describes the attempt to verify any of those models with the chirality module of the ROSETTA mission, a probe built and launched with the mission to land on a comet and analyse whether there are chiral organic compounds that could have been brought to the Earth by cometary impacts. A truly interdisciplinary astrobiology book, "Amino Acids and the Asymmetry of Life" will fascinate students, researchers and all readers with backgrounds in natural sciences. With a foreword by Henri B. Kagan.
