Espectroscopia de Ressonância Magnética e Nuclear

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Publisher : Imprensa da Universidade de Coimbra / Coimbra University Press
ISBN 13 : 9728704844
Total Pages : 217 pages
Book Rating : 4.7/5 (287 download)

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Book Synopsis Espectroscopia de Ressonância Magnética e Nuclear by : António Rocha Gonsalves

Download or read book Espectroscopia de Ressonância Magnética e Nuclear written by António Rocha Gonsalves and published by Imprensa da Universidade de Coimbra / Coimbra University Press. This book was released on 2007-01-01 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: O livro intitulado Espectroscopia de Ressonância Magnética Nuclear é um texto atualizado destinado a químicos mas acessível a não especialistas que necessitem de alguns conhecimentos fundamentais desta hoje importantíssima técnica. O trabalho constitui uma atualização de um primeiro trabalho dos mesmos autores publicado alguns anos atrás, tendo em conta a importante evolução instrumental bem como das técnicas bidimensionais. Os autores esperam com este novo trabalho ter colocado à disposição dos leitores um trabalho que satisfaz os principais requisitos atuais de quem precisa da espectroscopia de ressonância magnética nuclear como um método de suporte à resolução de problemas estruturais.

Resonancia Magnética Nuclear

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Author :
Publisher : Javier Mencias
ISBN 13 :
Total Pages : 39 pages
Book Rating : 4./5 ( download)

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Book Synopsis Resonancia Magnética Nuclear by : Javier Mencias

Download or read book Resonancia Magnética Nuclear written by Javier Mencias and published by Javier Mencias. This book was released on 2019-02-16 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: Entre las técnicas más usuales de estudio de la materia, las diversas espectroscopias juegan un papel especialmente importante. La espectroscopia de resonancia magnética nuclear (RMN, o en inglés NMR, de Nuclear Magnetic Resonance) es un fenómeno físico descrito originalmente en 1946 por Felix Bloch y Edward Mills Purcell, que ganaron el Premio Nóbel de Física por este descubrimiento en 1952. La RMN se basa en la interacción entre núcleos atómicos bajo la influencia de un campo magnético externo y un campo electromagnético de una frecuencia determinada (ondas de radio). La RMN sirve para estudiar el comportamiento de ciertos núcleos atómicos, aquellos que poseen momento magnético, en presencia de un campo magnético externo. El campo aplicado es responsable de la ruptura de la degeneración de los niveles de energía de espín nuclear, de modo que pueden introducirse transiciones entre ellos como consecuencia de la absorción de radiación electromagnética adecuada. Puesto que la disposición de los niveles de energía es una propiedad tanto de los núcleos de una molécula como de su entorno electrónico y de las interacciones entre ambos, la espectroscopia de RMN es una herramienta de gran utilidad en la clasificación de sustancias. No es de extrañar que desde los primeros experimentos con éxito, llevados a cabo en 1945, la RMN haya tenido un desarrollo espectacular, en especial desde que en 1966 se introduce la espectroscopia de RMN en la modalidad de transformación de Fourier, que haya permitido incrementar ganancias de sensibilidad en uno o dos órdenes de magnitud, eliminando parcialmente una de las desventajas de la técnica. El desarrollo de nuevos métodos (RMN bidimensional, photo-CIDNP, excitación a medida...) y la construcción por las casas comerciales de imanes cada vez más potentes (ya son comerciales los imanes de 11.7 teslas) hacen prever que el límite de posibilidades de la técnica se halla todavía lejos de haber sido alcanzado, esperándose en el futuro que junto a una consolidación de los nuevos desarrollos, la ampliación del rango de aplicabilidad de esta técnica física, de por sí tremendamente amplio.

Espectroscopia de resonancia magnética nuclear del hidrógeno en complejos metálicos

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Publisher :
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4.:/5 (96 download)

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Book Synopsis Espectroscopia de resonancia magnética nuclear del hidrógeno en complejos metálicos by : Eduardo Jorge Gutman Sokol

Download or read book Espectroscopia de resonancia magnética nuclear del hidrógeno en complejos metálicos written by Eduardo Jorge Gutman Sokol and published by . This book was released on 1977 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aplicaciones de la espectroscopía de resonancia magnética nuclear en química orgánica

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Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (112 download)

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Book Synopsis Aplicaciones de la espectroscopía de resonancia magnética nuclear en química orgánica by : A. Gómez Sánchez

Download or read book Aplicaciones de la espectroscopía de resonancia magnética nuclear en química orgánica written by A. Gómez Sánchez and published by . This book was released on 1965 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Estudio en espectroscopía de resonancia magnética nuclear con reactivos de desplazamiento en moléculas orgánicas

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Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (96 download)

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Book Synopsis Estudio en espectroscopía de resonancia magnética nuclear con reactivos de desplazamiento en moléculas orgánicas by : Perla Betty Chung Tong

Download or read book Estudio en espectroscopía de resonancia magnética nuclear con reactivos de desplazamiento en moléculas orgánicas written by Perla Betty Chung Tong and published by . This book was released on 1984 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Teoría de la resonancia magnética

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Author :
Publisher : Reverte
ISBN 13 : 9788429141351
Total Pages : 472 pages
Book Rating : 4.1/5 (413 download)

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Book Synopsis Teoría de la resonancia magnética by : Charles P. Poole

Download or read book Teoría de la resonancia magnética written by Charles P. Poole and published by Reverte. This book was released on 1976 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: La teoría tal y como se desarrolla en este libro, utiliza un formalismo que refuerza la unidad esencial de la resonancia magnética; así, campos distintos como la resonancia del espín electrónico, la resonancia nuclear, la espectroscopia cuadrupolar y el efecto Mössbauer aparecen como aspectos parciales de una teoría general.

Espectroscopía in vivo por resonancia magnética nuclear

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Author :
Publisher :
ISBN 13 : 9788477540694
Total Pages : 276 pages
Book Rating : 4.5/5 (46 download)

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Book Synopsis Espectroscopía in vivo por resonancia magnética nuclear by : Juan Manuel García Segura

Download or read book Espectroscopía in vivo por resonancia magnética nuclear written by Juan Manuel García Segura and published by . This book was released on 1991 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ressonância magnética nuclear

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Author :
Publisher : Editora Blucher
ISBN 13 : 8521210191
Total Pages : 121 pages
Book Rating : 4.5/5 (212 download)

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Book Synopsis Ressonância magnética nuclear by : Claudia Nascimento

Download or read book Ressonância magnética nuclear written by Claudia Nascimento and published by Editora Blucher. This book was released on 2016-07-01 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ao longo de todos estes anos dedicados à Ressonância Magnética Nuclear (RMN), muitos deles passados dentro da sala de aula, ao observar os alunos de graduação, mestrado e doutorado, identifico um traço comum a todos: o desejo de conhecer a técnica se mistura a um pequeno temor por sua aparente dificuldade. Mas, na prática, com os conceitos certos e perseverança, todo obstáculo no caminho é superado e chegamos, sem susto, a um final feliz. Este livro é destinado, principalmente, a químicos, biólogos, farmacêuticos e bioquímicos, em qualquer nível, que desejam aprender a técnica. Ele introduz os conceitos mais básicos da RMN, o que lhe permitirá trilhar novos caminhos nas diferentes aplicações da técnica. Não se preocupe se você ainda não tem muitos conhecimentos: este livro foi escrito para iniciantes. Um aluno que tenha terminado um bom Ensino Médio tem os fundamentos necessários para a compreensão do que é apresentado aqui. O livro começa apresentando o conceito de espectroscopia, mostrando onde se encaixa a RMN. Os conceitos básicos da técnica são introduzidos pouco a pouco por meio da RMN de hidrogênio e de carbono-13, com explicações sobre o equipamento e como um espectro é gerado. Também são abordados a RMN-2D e o efeito Overhauser nuclear (NOE), que apresenta enorme gama de aplicações na química, na biologia e na farmácia. Convido o leitor a começar a aprender RMN, e tenho certeza de que terá a capacidade e ficará fascinado com o poder dessa técnica. Boa viagem!

Iniciación al análisis estructural orgánico por espectroscopia de resonancia magnética nuclear

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Author :
Publisher :
ISBN 13 : 9788474050639
Total Pages : 135 pages
Book Rating : 4.0/5 (56 download)

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Book Synopsis Iniciación al análisis estructural orgánico por espectroscopia de resonancia magnética nuclear by : José Fuentes Mota

Download or read book Iniciación al análisis estructural orgánico por espectroscopia de resonancia magnética nuclear written by José Fuentes Mota and published by . This book was released on 1977 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Espectroscopia de ressonância magnética e nuclear

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Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)

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Book Synopsis Espectroscopia de ressonância magnética e nuclear by : Teresa Pinho e Melo

Download or read book Espectroscopia de ressonância magnética e nuclear written by Teresa Pinho e Melo and published by . This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: O livro intitulado Espectroscopia de Ressonância Magnética Nuclear é um texto atualizado destinado a químicos mas acessível a não especialistas que necessitem de alguns conhecimentos fundamentais desta hoje importantíssima técnica. O trabalho constitui uma atualização de um primeiro trabalho dos mesmos autores publicado alguns anos atrás, tendo em conta a importante evolução instrumental bem como das técnicas bidimensionais. Os autores esperam com este novo trabalho ter colocado.

Curso de conferencias sobre aplicaciones de la espectroscopia de resonancia magnética nuclear en biopolímeros y biomedicina

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Author :
Publisher :
ISBN 13 : 9788460029830
Total Pages : 298 pages
Book Rating : 4.0/5 (298 download)

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Book Synopsis Curso de conferencias sobre aplicaciones de la espectroscopia de resonancia magnética nuclear en biopolímeros y biomedicina by :

Download or read book Curso de conferencias sobre aplicaciones de la espectroscopia de resonancia magnética nuclear en biopolímeros y biomedicina written by and published by . This book was released on 1983 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aplicación de la espectroscopía de resonancia magnética nuclear de protón al diagnóstico in vivo de tumores cerebrales humanos

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Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.:/5 (87 download)

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Book Synopsis Aplicación de la espectroscopía de resonancia magnética nuclear de protón al diagnóstico in vivo de tumores cerebrales humanos by : Irene Martínez Pérez

Download or read book Aplicación de la espectroscopía de resonancia magnética nuclear de protón al diagnóstico in vivo de tumores cerebrales humanos written by Irene Martínez Pérez and published by . This book was released on 1999 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nuclear magnetic resonance imaging technology : a clinical, industrial, and policy analysis

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Author :
Publisher : DIANE Publishing
ISBN 13 : 1428923764
Total Pages : 152 pages
Book Rating : 4.4/5 (289 download)

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Book Synopsis Nuclear magnetic resonance imaging technology : a clinical, industrial, and policy analysis by :

Download or read book Nuclear magnetic resonance imaging technology : a clinical, industrial, and policy analysis written by and published by DIANE Publishing. This book was released on with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Introducción a la resonancia magnética nuclear biomédica

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Publisher :
ISBN 13 : 9789509647015
Total Pages : 236 pages
Book Rating : 4.6/5 (47 download)

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Book Synopsis Introducción a la resonancia magnética nuclear biomédica by :

Download or read book Introducción a la resonancia magnética nuclear biomédica written by and published by . This book was released on 1986 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nuclear Magnetic Resonance Imaging Technology

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Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Nuclear Magnetic Resonance Imaging Technology by : Earl P. Steinberg

Download or read book Nuclear Magnetic Resonance Imaging Technology written by Earl P. Steinberg and published by . This book was released on 1984 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nuclear Cardiology and Cardiac Magnetic Resonance

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Publisher : Springer Science & Business Media
ISBN 13 : 940112826X
Total Pages : 424 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Nuclear Cardiology and Cardiac Magnetic Resonance by : Ernst E. van der Wall

Download or read book Nuclear Cardiology and Cardiac Magnetic Resonance written by Ernst E. van der Wall and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cardiovascular nuclear medicine emerged 15 years ago as a new noninvasive technique for the detection of human cardiac disease. It arised from the fields of nuclear medicine and cardiology and the cooperation of both specialties has been very productive. At present, nuclear cardiology techniques belong to the routine armamentarium of the clinical cardiologist. Results obtained by perfusion markers, metabolic tracers, and radionuclide angiography have shown to have important impact on patient management. Although exercise electrocardiography and echocar diography yield the large bulk of necessary data in the cardiac patient, nuclear cardiology provides important data that go far beyond the results obtained by the standard procedures. Magnetic resonance imaging is a relative newcomer in cardio logy and has still to prove its value in clinical cardiology . Yet, initial results have been encouraging both in congenital heart disease and in coronary artery disease. This book is based on 16 review publications that have been written throughout the period of 1985 till present time. Most chapters have been published in the period 1989 until 1991; the preceding review papers have been updated as much as possible. Furthermore, Chapter 15 entitled" What's new in cardiac imaging" has been espe cially written for this book. The Chapters 9, 11 and 13 have been recently written and have not been published yet.

Ultra-Low Field Nuclear Magnetic Resonance

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Author :
Publisher : Oxford University Press
ISBN 13 : 0199796432
Total Pages : 266 pages
Book Rating : 4.1/5 (997 download)

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Book Synopsis Ultra-Low Field Nuclear Magnetic Resonance by : Robert Henry Kraus (Jr.)

Download or read book Ultra-Low Field Nuclear Magnetic Resonance written by Robert Henry Kraus (Jr.) and published by Oxford University Press. This book was released on 2014-02 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers topics in NMR/MRI at magnetic fields from milli-Tesla to micro-Tesla, the ultra-low field (ULF) regime, with an emphasis on imaging and understanding the human using its applications. Discussion of hardware considerations, relaxation contrast, imaging, artifact correction, and other applications unique to the ULF regime are presented.