Results 281 to 290 of about 1,135,294 (342)

Nuclear magnetic resonance spectroscopy

1986
Nuclear magnetic resonance (NMR) spectroscopy is usually combined with infrared (IR) spectroscopy for the complete analysis of the structure of an unknown molecule. IR spectroscopy is used to detect a functional group in the sample, whereas NMR spectroscopy detects number of atoms and their type in sample.
B. E. Mann, G. Davidson
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Nuclear magnetic resonance spectroscopy

Analytical Chemistry, 1995
The range of problems in clinical chemistry that can be addressed by MRS is wide. The number of applications reported in the literature is growing steadily, particularly since the study of the composition of physiological fluids and tissues, and the changes thereof in disease, are well suited to study by MRS.
Smith, I., Blandford, D.
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Resonance—Nuclear Magnetic Resonance [PDF]

, 2019
In this chapter, we will consider the principles of nuclear magnetic resonance to see how it can be exploited to generate signals from within the body related to the presence and properties of water within tissues. We will explore how radiofrequency waves can be used to exploit resonance phenomenon of protons placed within a magnetic field and the ...
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Nuclear Magnetic Resonance

2001
As a spectroscopic method, Nuclear Magnetic Resonance (NMR) has seen spectacular growth over the past two decades, both as a technique and in its applications. Today the applications of NMR span a wide range of scientific disciplines, from physics to biology to medicine.
Cynthia J Jameson, Hiroyuki Fukui, Krystyna Kamienska-Trela, A E Aliev, C L Khetrapal, K V Ramanathan, Malcolm J W Prior, Jacek Wojcik, Tokuko Watanabe, Wojciech Schilf, Ralf Ludwig, Hiromichi Kurosu, Takeshi Yamanobe, I Barsukov, E F Hounsell, Angel C De Dios, G A N Gowda, Takehisa Baba, Robert V Law, S J Matthews, Shigeki Kuroki, S Ando   +21 more
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Nuclear Magnetic Resonance

1964
Publisher Summary This chapter presents nuclear magnetic resonance. High-resolution, nuclear magnetic resonance spectroscopy shows powerful and applicable physicochemical techniques for the investigation of organic molecules. Proton magnetic resonance spectroscopy offers to carbohydrate chemists a method both for determining the configuration of ...
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Nuclear Magnetic Resonance of Hemoglobins

2003
Nuclear magnetic resonance (NMR) spectroscopy detects the interaction of radiofrequency (rf) radiation with the nuclear spins of molecules placed in an applied magnetic field. Because the spins are sensitive to their environment, and may be coupled to one another both through chemical bonds and through space, NMR can provide a wealth of information on ...
Jonathan A. Lukin, Chien Ho
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Experimental realization of Shor's quantum factoring algorithm using nuclear magnetic resonance

Nature, 2001
The number of steps any classical computer requires in order to find the prime factors of an l-digit integer N increases exponentially with l, at least using algorithms known at present. Factoring large integers is therefore conjectured to be intractable
L. Vandersypen, M. Steffen, G. Breyta, C. S. Yannoni, M. Sherwood, I. Chuang   +5 more
semanticscholar   +1 more source

ChemInform Abstract: Nuclear Magnetic Resonance Imaging

ChemInform, 1997
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
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Nuclear magnetic resonance

Definitions, 2020
B. Nageswara Rao
semanticscholar   +3 more sources

Nuclear Magnetic Resonance of Alkaloids

1975
Publisher Summary This chapter describes characteristic features of the nuclear magnetic resonance (NMR) spectra of alkaloids, illustrated by examples taken predominantly from papers published during the period January 1969–June 1972. In many of these papers, alkaloid structures have been assigned using NMR structure correlations established prior to
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