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  • 1
    Online Resource
    Online Resource
    La Vergne :Royal Society of Chemistry, The,
    Keywords: Nuclear magnetic resonance spectroscopy - Periodicals. ; Electronic books.
    Description / Table of Contents: For those wanting to become rapidly acquainted with specific areas of NMR, this title provides unrivalled scope of coverage.
    Type of Medium: Online Resource
    Pages: 1 online resource (389 pages)
    Edition: 1st ed.
    ISBN: 9781847553638
    Series Statement: Issn Series
    DDC: 016.538362
    Language: English
    Note: Nuclear Magnetic Resonance -- Contents -- Chapter 1 Theoretical and Physical Aspects of Nuclear Shielding -- 1 Introduction -- 2 Theoretical Aspects of Nuclear Shielding -- A The Nuclear Shielding Tensor -- B The Question of Gauge Origin -- C Ab Initio Calculations -- D Semi-empirical Calculations -- E Electric Field Effects -- F Pseudocontact Shifts -- 3 Physical Aspects of Nuclear Shielding -- A Shielding Scales -- B Temperature-dependent Shielding -- C Isotope Effects -- D Experimental Data -- E Intermolecular Effects -- F New Proton Shielding Constants for H2, HF, H2O, and CH4 -- Chapter 2 Applications of the Chemical Shift -- 1 Introduction -- A Conventions -- B Shielding Scales -- C Chemical-shift Non-equivalence -- Isotopic Replacement -- 2 Transmission of Effects within Molecules -- A Introduction -- B Substituent Effects in General, including Inductive and Resonance Effects -- C Electric-field Effects -- D Ring-current Effects and Aromaticity -- E Van der Waals and Steric Effects -- F Hydrogen Bonding -- 3 Shieldings of Particular Nuclei -- A Introduction -- B Carbon Chemical Shifts -- C Nitrogen Chemical Shifts -- D Oxygen Chemical Shifts -- E Fluorine Chemical Shifts -- F Silicon and Tin Chemical Shifts -- G Chemical Shifts in Phosphorus Compounds -- H Platinum Chemical Shifts -- I Chemical Shifts of other Nuclei -- Chapter 3 Nuclear Spin-Spin Coupling -- 1 Introduction -- 2 Theoretical Work -- A Ab Initio Calculations -- B Semi-empirical Calculations -- 3 Empirical Calculations -- 4 Coupling of Directly Bonded Nuclei, 1J -- A Coupling to Hydrogen -- B Coupling to Elements of Group IIIB -- C Coupling to Elements of Group IVB -- D Coupling to Elements of Group VB -- E Miscellaneous One-bond Couplings -- 5 Coupling between Nuclei Separated by Two Chemical Bonds, 2J -- A Geminai Proton-Proton Coupling. , B Two-bond Coupling of other Nuclei to Protons -- C Two-bond Coupling to Elements of Group IVB -- D Two-bond Coupling to Elements of Group VB -- E Two-bond Coupling to Elements of Group VIIB -- 6 Coupling between Nuclei Separated by Three Chemical Bonds, 3J -- A Vicinal Proton-Proton Coupling -- B Three-bond Coupling of Protons to other Nuclei -- C Three-bond Coupling to Carbon -- D Three-bond Coupling to Phosphorus -- E Three-bond Coupling to Fluorine -- 7 Long-range Coupling, > -- 3J -- A Proton-Proton Coupling -- B Long-range Coupling of other Nuclei to Protons -- C Long-range Coupling between Nuclei other than Protons -- Chapter 4 Multiple Resonance -- 1 Introduction -- 2 Theory of Multiple Resonance -- 3 Experimental Techniques and Instrumentation -- 4 The Nuclear Overhauser Effect -- 5 Chemical Applications of Multiple Resonance -- A Simplification and Assignment -- B Magnitudes and Signs of Coupling Constants -- C Chemical Shifts -- Chapter 5 Experimental Techniques -- 1 Introduction -- 2 Instrumentation -- 3 Relaxation and Spin Echo Measurements -- 4 Two Dimensional Spectroscopy and Imaging -- 5 High Resolution Techniques -- 6 Broad Lines and Solids -- 7 Experimental Theory and Computation -- 8 Conclusion -- Flowing Systems and Other Topics -- Chapter 6 Nuclear Spin Relaxation in Fluids -- 1 Introduction -- 2 Theoretical Work -- 3 Relaxation Studies in Pure Liquids -- A Proton and Deuteron Relaxation -- B 13C Relaxation -- C Relaxation of Other Nuclei: 15N, 17O, 35Cl, 37Cl -- D Studies of Several Resonant Nuclei: 1H, 2H, 13C, 15N, 19F, 119Sn, 199Hg -- 4 Relaxation Studies in Liquid Mixtures of Non-electrolytes -- A Proton and Deuteron Relaxation -- B 13C Relaxation -- C Relaxation of Other Nuclei: 14N, 31P, 35Cl, 55Mn -- D Studies of Several Resonant Nuclei: 1H, 2H, 11B, 13C, 14N, 29Si, 35Cl, 119Sn. , 5 Relaxation Studies in Electrolyte Solutions -- A Proton Relaxation -- B Relaxation of the Nuclei 9Be, 170, 19F, 27A1, 31P, 33S, 45Sc, 95Mo, 205Tl -- C Relaxation of Alkali-metal and Halogen Nuclei: 6Li, 7Li, 23Na, 87Rb, 133Cs, 35Cl, 81Br, 127I -- 6 Relaxation Studies of Gases -- A Theoretical Work -- B Mono- and Di-atomic Gases -- C Polyatomic Gases -- Chapter 7 Heterogeneous Systems -- 1 Introduction -- 2 Adsorption Studies -- A Inorganic Substrates -- B Organic Substrates -- 3 Cryogenic Studies -- 4 Zeolites -- 5 Clays -- 6 Exchange Resins -- 7 Macromolecular Sols and Gels -- 8 Protein Solutions and Gels -- 9 Cellular Systems -- 10 Applications -- Chapter 8 The Solid State -- 1 General Introduction -- 2 Half-integral Spins in Diamagnetic Solids -- A Introduction -- B Theoretical Aspects -- C Structural Studies (Broadline Techniques) -- D High Resolution in Solids -- Motional Narrowing -- Sample Spinning -- Multiple-pulse Methods -- Double-resonance Methods -- New Developments -- E Motional Studies (Classical Regime) -- Diffusion -- Two-spin Reorientation -- Three-spin Reorientation -- Four-spin Reorientation -- Reorientation involving N Spins where N > -- 5 -- Motion in Plastic Crystals -- Motion in Ferroelectrics -- Motional Studies in Polymer Systems -- Motional Studies in Clathrates -- F Quantum Effects in Molecular Solids -- The Spin Pair -- The Three-spin Triangle -- The Four-spin Tetrahedron -- G N.M.R Studies of Helium -- 3 Nuclei of Spin I > -- 1/2 in Diamagnetic Solids -- A Introduction -- B 2H N.M.R. -- C The Alkali-metal Nuclei -- D Nuclei of Group III -- E Nuclei of Group V -- F Other Nuclei -- 4 Systems with Unpaired Electrons in the Absence of Magnetic Ordering -- A Non-metallic Paramagnetic Systems -- B Metals -- C Alloys and Intermetallic Compounds -- D Hydrides -- E Semiconductors -- F One- and Two-dimensional Conductors. , 5 Ordered Magnetic Materials -- A Ferromagnetic Materials -- B Antiferromagnetic Materials -- C Ferrimagnetic Materials -- 6 Techniques and Apparatus -- A Techniques -- Chapter 9 N.M.R. of Paramagnetic Molecules -- 1 Introduction -- 2 Theory -- 3 Radical Ions and Free Radicals -- 4 Paramagnetic Transition-metal Complexes of Biological Ligands -- A Porphyrins -- B Haemoglobins -- C Myoglobins -- D Cytochromes -- E Miscellaneous Biological Molecules -- 5 Transition-metal Complexes of Organic and Inorganic Ligands -- A Isotropic Shifts -- B Kinetics -- C Relaxation -- 6 Rare-earth Complexes -- A Geometry of LSR Adducts -- B Complex Formation -- C Miscellaneous Applications -- 7 Actinide Complexes -- Chapter 10 N.M.R. of Natural Macromolecules -- 1 Introduction -- 2 Peptides -- 3 Proteins -- A Proton N.M.R. -- B Other Nuclei -- C Enzyme-Substrate-Coenzyme Interactions -- D Other Protein Interactions -- 4 Oligonucleotides and Nucleic Acids -- 5 Polysaccharides -- Chapter 11 Synthetic Macromolecules -- 1 Introduction -- 2 Reviews -- 3 Structural Analysis -- 4 The Solid State -- Theory -- Phase Structure and Molecular Ordering -- Relaxation Processes -- 5 Polymers in the Fluid State -- Relation between Relaxation Times and Structure or Concentration -- Nature of Polymer Motion -- Chemical Shifts and Conformation -- Chapter 12 Intermolecular Effects in N.M.R. -- 1 Introduction -- 2 Contributions to the Chemical Shift from Non-bonded Interactions -- A General -- B Bulk Susceptibility Screening (σb) -- C Van der Waals Screening (σw) -- D Neighbour Anisotropy Screening (σa) -- E Electric Field Screening (σE) -- 3 Contributions to the Chemical Shift from Bonded Interactions -- A General -- B Weak Molecular Association -- C Hydrogen Bonding -- D Aromatic Solvent Induced Shifts (ASIS) -- E Ionic Interactions -- F Intramolecular Change and Magnetic Equivalence. , 4 Shift Reagents -- A General -- B The Stoicheiometry of LSR-Substrate Interactions and 'Limiting Shifts' -- C Contributions to the Limiting Shift -- D The Determination of Molecular Geometry -- E New Shift Reagents -- F Applications of Shift Reagents -- 5 Spin-Spin Coupling Constants -- 6 Nuclear Spin Relaxation -- A General -- B Relaxation of Nuclei with Spin I = 1/2 -- C Relaxation of Nuclei with Spin I > -- 1/2 -- 7 Applications to Problems of Biological Significance -- Author Index.
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  • 2
    Online Resource
    Online Resource
    La Vergne :Royal Society of Chemistry, The,
    Keywords: Nuclear magnetic resonance spectroscopy - Periodicals. ; Electronic books.
    Description / Table of Contents: For those wanting to become rapidly acquainted with specific areas of NMR, this title provides unrivalled scope of coverage.
    Type of Medium: Online Resource
    Pages: 1 online resource (301 pages)
    Edition: 1st ed.
    ISBN: 9781847553621
    Series Statement: Issn Series
    DDC: 016.538362
    Language: English
    Note: Nuclear Magnetic Resonance -- Contents -- Chapter 1 Nuclear Spin-Spin Coupling -- 1 Introduction -- 2 Theoretical Work -- A Ab initio Calculations -- B Semi-empirical Calculations (Excluding those on π-Electron Systems) -- C Semi-empirical Calculations on π-Electron Systems -- 3 Empirical Correlations -- 4 Coupling of Directly Bonded Nuclei, 1J -- A Coupling to Hydrogen -- B Coupling to Elements of Group IIIB -- C Coupling to Elements of Group IVB -- D Coupling to Elements of Group VB -- E Coupling to Elements of Group VIIB -- 5 Coupling between Nuclei Separated by Two Chemical Bonds, 2J -- A Geminal Proton-Proton Coupling -- B Two-bond Coupling of other Nuclei to Protons -- C Coupling to Elements of Group IVB -- D Coupling to Elements of Group VB -- E Coupling to Elements of Group VIIB -- F Coupling between Metals -- 6 Coupling between Nuclei Separated by Three Chemical Bonds, 3J -- A Vicinal Proton-Proton Couplings -- B Three-bond Couplings of Proton to other Nuclei -- C Three-bond Coupling to Carbon -- D Three-bond Coupling to Phosphorus -- E Three-bond Coupling to Fluorine -- 7 Long-range Coupling > -- 3J -- A Proton-Proton Coupling -- B Long-range Coupling of other Nuclei to Protons [Excluding (F,H) Coupling] -- C Fluorine-Proton and Fluorine-Fluorine Coupling -- D Miscellaneous Long-range Couplings -- Chapter 2 Experimental Techniques -- 1 Introduction -- 2 Two-dimensional Spectroscopy -- 3 Zeugmatography -- 4 Relaxation Measurements -- A T1 -- B T1p -- 5 High Resolution Techniques -- 6 Cross Polarization in Solids -- 7 Computing -- 8 Instrumentation -- A Modifications to Commercial Equipment -- B Other Equipment -- 9 Diverse Applications of N.M.R. -- Chapter 3 Multiple Resonance -- 1 Introduction -- 2 Theory of Multiple Resonance -- 3 Experimental Techniques and Instrumentation -- 4 The Nuclear Overhauser Effect. , 5 Chemical Applications of Multiple Resonance -- A Simplification and Assignment -- B Magnitudes and Signs of Coupling Constants -- C Chemical Shift Determination -- 6 Studies of the Solid State -- Chapter 4 Nuclear Spin Relaxation in Fluids -- 1 Introduction -- 2 Theoretical Work -- 3 Relaxation Studies in Pure Liquids -- A Proton and Deuteron Relaxation -- B 13C-Relaxation -- C Relaxation of Other Nuclei: 19F, 29Si -- D Studies of Several Resonant Nuclei: 1H, 2H, 13C, 15N, 19F, 29Si, 35Cl -- 4 Relaxation Studies in Liquid Mixtures of Non-electrolytes -- A Proton and Deuteron Relaxation -- B 13C-Relaxation -- C Relaxation of Other Nuclei: 14N and 31P -- D Studies of Several Resonant Nuclei: 2H, 13C, 14N, l5N -- 5 Relaxation Studies in Electrolyte Solutions -- A Proton and Deuteron Relaxation -- B Relaxation of the Nuclei: 13C, 17O, 25Mg, 27Al, 29Si, 31P,59Co, 95Mo, 97Mo, 113Cd -- C Relaxation of Alkali-metal and Halogen Nuclei -- 6 Relaxation Studies of Gases -- A Theoretical Work -- B Polyatomic Gases -- Chapter 5 N.M.R. of Paramagnetic Molecules -- 1 Introduction -- 2 Theory -- 3 Radical Ions and Free Radicals -- A Radical Ions -- B Free Radicals -- 4 Paramagnetic Transition-metal Complexes of Biological Ligands -- A Porphyrins -- B Haemoglobins -- C Myoglobins -- D Cytochromes -- E ADP and ATP -- F Enzymes -- G Miscellaneous Biological Molecules -- 5 Transition-metal Complexes of Organic and Inorganic Ligands -- A First-row Transition Metals -- Kinetics -- Isotropic Shifts -- Relaxation -- B Second-row Transition Metals -- C Third-row Transition Metals -- 6 Rare-earth Complexes -- A Geometric Structure -- B Isotropic Shifts -- C Relaxation -- D Phospholipids -- 7 Actinides -- Chapter 6 Synthetic Macromolecules -- 1 Introduction -- 2 Reviews -- 3 Structural Analysis -- 4 The Solid State -- Theory -- Application of Line-narrowing Techniques. , Molecular Ordering -- Relaxation -- 5 Polymers in the Fluid State -- Relaxation Times and Structure or Concentration -- Nature of Polymer Motion -- Conformational Studies -- Chapter 7 N.M.R. of Natural Macromolecules -- 1 Peptides -- A Naturally Occurring Peptides -- B Synthetic Peptides -- 2 Proteins -- A Proton N.M.R. -- B Other Nuclei -- C Enzyme - Substrate - Coenzyme Interactions -- D Protein - Small Molecule Interactions -- E Protein Hydration -- 3 Nucleic Acids -- A Transfer Ribonucleic Acids -- B Self-complementary Oligonucleotides -- C 31P N.M.R. of Nucleic Acids -- 4 Polysaccharides -- Chapter 8 The Solid State -- 1 General Introduction -- 2 Half-integral Spins in Diamagnetic Solids -- A Introduction -- B Theoretical Aspects -- C Structural Studies (Broadline Techniques) -- D High Resolution in Solids -- Multiple-pulse Methods -- Double Resonance Method -- Other Papers -- E Motional Studies (Classical Regime) -- Diffusion -- Two-spirt Reorientation -- Three-spin Reorientation -- Four-spin Reorientation -- Six-spin Reorientation -- Miscellaneous Reorientation -- Motion in Plastic Crystals -- Motion in Ferroelectrics -- Motion Studies in Polymer Systems -- Motional Studies in Clathrates -- F Quantum Effects in Molecular Solids -- The Spin Pair -- The three-spin Triangle -- The four-spin Tetrahedron -- G N.M.R. Studies of Helium -- 3 Nuclei of Spin I> -- 1/2 in Diamagnetic Solids -- A Introduction -- B 2H N.M.R. -- C The Alkali-metal Nuclei -- D The Halogen Nuclei -- E Nuclei of the Group III -- F Other Nuclei -- 4 Systems with Unpaired Electrons in the Absence of Magnetic Ordering -- A Non-metallic Paramagnetic Systems -- B Metals -- C Alloys and Intermetallic Compounds -- D Hydrides -- E Semiconductors -- F One- and Two-dimensional Conductors -- 5 Ordered Magnetic Materials -- A Ferromagnetic Materials -- B Antiferromagnetic Materials. , C Ferrimagnetic Materials -- 6 Techniques and Apparatus -- A Techniques -- Imaging -- Two-dimensional Spectroscopy -- Other Techniques -- B Apparatus -- Chapter 9 Liquid Crystals and Micellar Solutions -- 1 Introduction -- 2 Reviews -- 3 Lyotropic Liquid Crystal Phases -- A Polypeptide Liquid Crystals -- B Alkyl Chain Resonances -- (i) Single Phase Systems -- (ii) Dispersions -- (iii) Vesicles -- (iv) Natural Systems -- C Water and Counter-ion Studies -- 4 Thermotropic Liquid Crystals -- A Pulsed N.M.R. Studies -- B C-W N.M.R. Studies -- 5 Micelles -- 6 Reversed Micelles -- Chapter 10 Solvent Effects -- 1 General -- 2 Molecular Aggregations -- 3 Hydrogen Bonding -- 4 Ion - Ion and Ion - Solvent Interactions -- 5 Aromatic Solvent Induced Shifts (ASIS) -- 6 Shift Reagents -- A General -- B The Lanthanide Chelate - Substrate Stoicheiometry -- C Dipolar and Contact Contributions to the Limiting Shifts -- D Determination of the Complex Geometry -- E Applications of Lanthanide Shift Reagents.
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  • 3
    Online Resource
    Online Resource
    La Vergne :Royal Society of Chemistry, The,
    Keywords: Nuclear magnetic resonance spectroscopy - Periodicals. ; Electronic books.
    Description / Table of Contents: For those wanting to become rapidly acquainted with specific areas of NMR, this title provides unrivalled scope of coverage.
    Type of Medium: Online Resource
    Pages: 1 online resource (388 pages)
    Edition: 1st ed.
    ISBN: 9781847553645
    Series Statement: Issn Series
    DDC: 016.538362
    Language: English
    Note: Nuclear Magnetic Resonance -- Contents -- Chapter 1 Theoretical and Physical Aspects of Nuclear Shielding -- 1 Introduction -- 2 Calculations of Nuclear Shielding -- A General Theory -- B Ab Initio Calculations -- C Semi-empirical Calculations -- 3 Physical Aspects of Nuclear Shielding -- A The Effects of Rotation and Vibration -- B Isotope Effects -- C Intermolecular Effects -- D Other Physical Aspects -- 4 Experimental Data -- A Introduction -- B Shielding Scales -- C Shielding Constants and Shielding Differences -- D Shielding Anisotropies and Shielding Tensors -- E The Oxygen Shielding in the Water Molecule -- Chapter 2 Applications of the Chemical Shift -- 1 Introduction -- A Shielding Scales -- B Symmetry and Chemical-shift Non-equivalence -- C Isotope and Temperature Effects and Miscellaneous Chemical-shift Correlations -- 2 Transmission of Substituent Effects within Molecules -- A Introduction -- B Inductive and Resonance Substituent-effect Correlations -- C Electric-field Effects -- D Steric, γ-, and van der Waals Effects -- Hydrogen Bonding -- E Ring-current Effects and Aromaticity -- F Solvent Effects and Shift Reagents -- 3 Shieldings of Particular Nuclei -- A Hydrogen Chemical Shifts -- B Carbon Chemical Shifts -- C Nitrogen Chemical Shifts -- D Chemical Shifts of Oxygen, Selenium, and Tellurium -- E Halogen Chemical Shifts -- F Alkali-metal Chemical Shifts -- G Chemical Shifts of Silicon, Germanium, Tin, and Lead -- H Phosphorus Chemical Shifts -- I Chemical Shifts of Other Nuclei -- Chapter 3 Nuclear Spin-Spin Coupling -- 1 Introduction -- 2 Theoretical Work -- A Ab Initio Calculations -- B Semi-empirical Calculations -- 3 Coupling to Directly Bonded Nuclei, 1J -- A Coupling to Hydrogen -- B Coupling to Elements of Group IIIB -- C Coupling to Elements of Group IVB -- D Coupling to Elements of Group VB -- E Other One-bond Couplings. , 4 Coupling between Nuclei Separated by Two Chemical Bonds, 2J -- A Geminal Proton-Proton Coupling -- B Two-bond Coupling of Other Nuclei to Protons -- C Two-bond Coupling to Elements of Group IIIB -- D Two-bond Coupling to Elements of Group IVB -- E Two-bond Coupling to Elements of Group VB -- F Two-bond Coupling between Elements of Groups VIB and VIIB, and Transition Metals -- 5 Coupling between Nuclei Separated by Three Chemical Bonds, 3J -- A Vicinal Proton-Proton Coupling -- B Three-bond Coupling of Protons to Other Nuclei -- C Three-bond Coupling to Elements of Group IVB -- D Three-bond Coupling to Phosphorus -- E Three-bond Coupling to Fluorine -- 6 Long-range Coupling > -- 3J -- A Proton-Proton Coupling -- B Long-range Coupling of Other Nuclei to Protons -- C Long-range Coupling between Nuclei Other than Protons -- Chapter 4 Multiple Resonance -- 1 Introduction -- 2 Theory of Multiple Resonance -- 3 Experimental Techniques and Instrumentation -- 4 The Nuclear Overhauser Effect -- 5 Other Applications of Multiple Resonance -- A General -- B Magnitudes and Signs of Coupling Constants -- C Chemical Shifts -- Chapter 5 Nuclear Spin Relaxation in Liquids -- 1 Introduction -- 2 Theoretical Work -- 3 Relaxation Studies in Pure Liquids -- A Proton, Deuteron, 13C, and 19F Relaxation -- B Relaxation of Other Nuclei: 14N, 15N, 29Si, 33S -- 4 Relaxation Studies in Liquid Mixtures of Non-electrolytes -- A Proton, Deuteron, and 13C Relaxation -- B Relaxation of Other Nuclei: 6Li, 7Li, 9Be, 10B,11B, 14N, 15N, 77Se -- 5 Relaxation Studies in Electrolyte Solutions -- A Proton and Deuteron Relaxation -- B Relaxation of the Nuclei 13C, 15N, 31P -- C Relaxation of Other Nuclei -- D Relaxation of Alkali-metal and Halogen Nuclei -- Chapter 6 Liquid Crystals and Micellar Solutions -- 1 Introduction -- 2 Reviews -- 3 Lyotropic Liquid Crystals -- A Alkyl Chains. , (i) Single Liquid Crystal Phases and Dispersions -- (ii) Vesicles -- (iii) Natural Systems -- B Water and Counter-ions -- 4 Thermotropic Liquid Crystals -- A Pulsed N.M.R. Studies -- B CW N.M.R. Studies -- 5 Micelles and Emulsions -- A Micelles -- B Reversed Micelles -- C Emulsions -- Chapter 7 The Solid State -- 1 Introduction -- 2 General -- 3 High Resolution -- 4 Structure and Analysis -- 5 Molecular Motion -- 6 Diffusion -- 7 Doped Systems -- 8 Tunnelling -- 9 Hydrates -- 10 Clathrates and Intercalation Compounds -- 11 Adsorbed Molecules -- 12 Glasses -- 13 Hydrogen and Hydrides -- 14 Conducting Systems -- 15 Paramagnetic Materials -- 16 Ferromagnetic Materials -- 17 Antiferromagnetic Materials -- 18 Nuclear Acoustic Resonance -- Chapter 8 N.M.R. of Paramagnetic Molecules -- 1 Introduction -- 2 Theory -- A Hyperfine Interactions -- B Theories of Lanthanide Induced Shifts -- C Nuclear Spin Relaxation -- 3 Radicals and Radical Ions -- A Free Radicals -- B Radical Ions -- 4 Paramagnetic Complexes of Biological Ligands -- A Porphyrins -- B Haemoglobin -- C Cytochromes -- D Myoglobins -- E Peroxidase -- F Haemocyanin -- G Plastocyanins -- H Enzymes -- I Miscellaneous Biological Molecules -- 5 Paramagnetic Complexes of Transition Metal Ions -- A Isotropic Shifts -- B Kinetic, Thermodynamic, and Relaxation Parameters -- C Adsorption -- 6 Actinides -- 7 Lanthanides -- Chapter 9 N.M.R. of Natural Macromolecules -- 1 Introduction -- 2 Peptides -- 3 Proteins -- A General -- B Enzymes -- C Copper and Iron Proteins -- 4 Enzyme-Substrate-Cofactor Interactions -- 5 Other Protein Interactions -- 6 Nucleic Acids -- 7 Polysaccharides -- Chapter 10 Synthetic Macromolecules -- 1 Introduction -- 2 Reviews -- 3 Structural and Conformational Analysis -- 4 Polymers in the Fluid State -- A Theoretical Aspects of Relaxation and Polymer Motion. , B Relation between Magnetic Relaxation and Structure -- 5 The Solid State -- A New Theoretical and Experimental Developments -- B Applications to Structure and Motions -- Chapter 11 Conformational Analysis -- 1 Introduction -- 2 Techniques and Methodology -- 3 Bond Rotation Studies -- A C-C Bonds -- B C-N Bonds -- C C-O Bonds -- D Other Elements Bound to Carbon -- E Rotations About Other Bonds -- 4 Four- and Five-membered Rings -- 5 Six-membered rings -- A Cyclohexane and Its Derivatives -- B Cyclohexene, Cyclohexanone and Their Derivatives -- C Nitrogen-containing Rings -- D Oxygen-containing Rings -- E Sulphur-containing Rings -- F Other Heterocyclic Systems -- 6 Seven-membered Rings -- 7 Eight-membered and Larger Rings -- 8 Bicyclic Compounds -- 9 Polycylic Systems -- Chapter 12 Oriented Molecules -- 1 Introduction -- 2 Systems with 2 or 3 Interacting Nuclei -- 3 Four-spin Systems -- 4 Five-spin Systems -- 5 Six-spin Systems -- 6 Seven-spin Systems -- 7 Eight-spin Systems -- 8 Systems with More than 8 Interacting Nuclei -- Erratum -- Author Index.
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  • 4
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1424
    Keywords: K+ channel ; ATP ; ATP4− ; ADP3− ; RINm5F cell
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Summary The31P-NMR technique has been used to assess the intracellular ratios and concentrations of mobile ATP and ADP and the intracellular pH in an insulin-secreting cell line, RINm5F. The single-channel current-recording technique has been used to investigate the effects of changes in the concentrations of ATP and ADP on the gating of nucleotide-dependent K+ channels. Adding ATP to the membrane inside closes these channels. However, in the continued presence of ATP adding ADP invariably leads to the reactivation of ATP-inhibited K+ channels, even at ATP4−/ADP3− concentration ratios greater than 7∶1. Interactions between ATP4− and ADP3− seem competitive. An increase in the concentration ratio ATP4−/ADP3− consistently evoked a decrease in the open-state probability of K+ channels; conversely a decrease in ATP4−/ADP3− increased the frequency of K+ channel opening events. Channel gating was also influenced by changes in the absolute concentrations of ATP4− and ADP3−, at constant free concentration ratios. ADP-evoked stimulation of ATP-inhibited channels did not result from phosphorylation of the channel, as ADP-β-S, a nonhydrolyzable analog of ADP, not only stimulated but enhanced ADP-induced activation of K+ channels, in the presence of ATP. Similarly, ADP was able to activate K+ channels in the presence of two nonhydrolyzable derivatives of ATP, AMP-PNP and βγmethylene ATP.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE importance of proton magnetic resonance spectroscopy as an aid to the determination of the molecular structures of organic compounds is now well established. One purpose of this article is to show that, in addition, this technique may well prove to be of equal value in the determination of the ...
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  • 7
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 16 (1981), S. iv 
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 4 (1972), S. 343-352 
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The complete analyses of the 19F spectra of some fluorinated benzofurans are given. These provide an unambiguous determination of the substituent position in these compounds. Comparison of the 19F SCS and coupling constants in the benzofuran, benzothiophene and benzene series shows that 19F spectral parameters can be transposed from the benzene series with caution.A large increase in the para F—F coupling with ring closure of the hetero-ring is noteworthy. A long-range through-space 8JH is reported which arises from the proximity of the 3 carboethoxy methyl group and the C4 fluorine in these molecules.
    Additional Material: 2 Ill.
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  • 10
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 4 (1972), S. 489-507 
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The PMR spectra of twelve pinene derivatives are reported, analysed and assigned.The proton couplings in the bridged cyclobutane group are compared with those of other strained cyclobutanes, and the relationship between 2JHH and the C.CH2.C angle is shown to be anomalous in these systems, suggesting unusually small H. C. H. angles in cyclobutanes.The very large values of 4JHH (eq-eq) in buckled cyclobutanes are interpreted in terms of current M. O. theory and also given a simple geometric rationalisation based on the direct mechanism.The various couplings in the pinene skeleton are discussed in terms of present theories and minor conformational effects in these molecules. Substituent chemical shift (SCS) values for Me and OH groups around the pinene skeleton are obtained, and shown not to agree with calculations based on present theories of chemical shifts.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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