Can nuclear magnetic resonance (NMR) spectroscopy reveal different metabolic signatures for lung tumours?
Iola F. DuarteCláudia RochaAntónio S. BarrosAna M. GilBrian J. GoodfellowIsabel M. CarreiraJoão BernardoAna GomesVítor SousaLina Carvalho
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Nuclear magnetic resonance (NMR) spectroscopy is the most effective means for structural analysis of substances,which is rapidly developed in recent years. This article reviews applications of one-dimensional nuclear magnetic resonance spectroscopy (1D-1H NMR),2D-1H NMR including COSY(Correlation Spectroscopy),TOCSY(Total Correlation Spectroscopy),NOESY(Nuclear Overhauser Effect Spectroscopy),and ROESY(Rotating Frame Overhauser Effect Spectroscopy) in structure analysis of cyclodextrin and cyclodextrin complexes.
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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. NMR technique can detect many nuclei but mostly identifies carbon-hydrogen frameworks. In this chapter, we have comprehensively discussed the NMR spectroscopy, its types, basic mechanism along with its instrumentation, applications, advantages, and disadvantages.
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1H nuclear magnetic resonance (1H NMR) spectroscopy has found widespread applications in tumour studies. Several complementary NMR techniques have provided valuable information concerning tumours, including in vivo localized 1H NMR spectroscopy, ex vivo high-resolution 1H NMR spectroscopy of extracts of intact tissue biopsy samples, high-resolution magic angle spinning 1H NMR spectroscopy of intact tissue biopsy samples, and in vitro high-resolution 1H NMR spectroscopy of body fluids. On the basis of the combination of NMR measurements with multivariate data analysis, 1H NMR-based metabonomics has become a promisingly novel approach in the studies of tumour early diagnosis, processes and prognosis estimate.
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The sections in this article are 1 Introduction 2 31 P Magnetic Resonance Spectroscopy 3 2 H Magnetic Resonance Spectroscopy 4 13 C Magnetic Resonance Spectroscopy 5 19 F Magnetic Resonance Spectroscopy 6 1 H Magnetic Resonance Spectroscopy 7 Summary 8 Biographical Sketches Related Articles
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