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  1. No Access

    Chapter and Conference Paper

    Some Aspects of the Theory of Atom-Bridge Bonds

    An atom may form a bridge-bond between two other atoms, when it con — siderably differs in electronegativity. There are two extreme examples of such type of bond: X-H -X hydrogen bond and X -O -X (1) oxygen bond.

    B. Jeżowska-Trzebiatowska, W. Wojciechowski in Proceedings of the 8th International Confe… (1964)

  2. No Access

    Chapter and Conference Paper

    The Electronic Spectra, Optical Rotatory Power, and Absolute Configuration of O-Phenanthroline and 2,2′-Dipyridyl Complexes

    The present work reports the circular dichroism spectra and the unpolarized light absorption of the tris-2, 2′-dipyridyl and the tris-1,10-phenanthroline complexes of Ni(II), Fe(II), Ru(II), Os(II), Ru(III) an...

    A. J. McCaffery, S. F. Mason, B. J. Norman in Proceedings of the 8th International Confe… (1964)

  3. No Access

    Chapter and Conference Paper

    Industrial Applications of Microprobe Analysis

    Electron probe X-ray microanalysis has revealed a new realm of analytical investigations on a microscopic scale. But while the microprobe permits high precision in strictly quantitative analysis, such precisio...

    B. R. Banerjee, W. D. Bingle in Developments in Applied Spectroscopy (1964)

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    Chapter and Conference Paper

    Color and Variable Valence in Niobium and Tantalum Halides

    The very stable polynuclear halide ions [M6X12]2+ (M = Nb or Ta, X = Cl or Br) are unique in that though the X-ray structure analyses of the complex (Fig. 1) demonstrate that the metal ions are all in equivalent ...

    M. B. Robin, N. A. Kuebler in Proceedings of the 8th International Confe… (1964)

  5. No Access

    Chapter and Conference Paper

    Complex Formation by Molybdenum(II)Chloride

    Comparison of the ultra-violet reflectance spectrum of Mo(II)chloride with that of the acid H2[Mo6Cl8. Cl6]. 8 H2O (1) which has an Mo6Cl8 cage confirms the close structural similarity of the chloride. It seems c...

    J. E. Fergusson, B. H. Robinson… in Proceedings of the 8th International Confe… (1964)

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    Chapter and Conference Paper

    Mössbauer Spectra of Iron Complexes with Thiosemicarbazone of Diacetyloxime and their Interpretation

    The use of Mössbauer effect permits to investigate the displacements of the electronic cloud arising due to the chemical changes in the molecule. Mössbauer spectra were obtained for iron compounds given below....

    A. V. Ablov, I. B. Bersuker… in Proceedings of the 8th International Confe… (1964)

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    Chapter and Conference Paper

    Crystal Structures of Some Compounds Containing Bonds between Dissimilar Metal Atoms

    In the last few years many compounds have been synthesised in which two, or more, metal atoms are linked. It has been known for some time that atoms of the same metallic element are joined together in sone com...

    H. M. Powell, K. Mannan, B. T. Kilbourn… in Proceedings of the 8th International Confe… (1964)

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    Chapter and Conference Paper

    Chemical Structure Determination of Lantanides’ Coordination Compounds on the Basis of Their Absorption Spectra

    Heretofore the majority of investigators considered the chemical bond in coordination compounds of the rare earths elements to be of ionic nature. Within the last years, however, many arguments have been submi...

    K. B. Yatsimirsky, N. K. Davidenko… in Proceedings of the 8th International Confe… (1964)

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    Chapter and Conference Paper

    Schlußwort

    Meine Damen und Herren, wir haben in diesen Tagen eines unserer fruchtbarsten Colloquien zum Abschluß gebracht. Es war ein ausgezeichneter Gedanke, die letzten Ergebnisse der theoretischen organischen Chemie i...

    Th. Wieland, Kurt Wallenfels, Christian Streffer… in Mechanismen Enzymatischer Reaktionen (1964)

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    Chapter and Conference Paper

    Über Die Katalytische Wirksamkeit von Übergangsmetall-π-Allylverbindungen

    Bei der Umsetzung von Übergangsmetallverbindungen mit metallorgani — schen Verbindungen, wie z. B. Aluminiumalkylen, entstehen im allgemeinen instabile Übergangsmetallalkyle bzw.-aryle, deren Metall-Kohlenstof...

    G. Wilke, P. Heimbach, B. Bogdanović… in Proceedings of the 8th International Confe… (1964)

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    Chapter and Conference Paper

    Transition Metal Complexes of Caged Phosphite Esters

    The unusual donor abilities of caged phosphites {Ia} and {III} have been the subject of recent investigations in these laboratories. The low steric requirements and high dipole moments of {Ia} and {II} are und...

    J. G. Verkade, T. J. Huttemann, B. M. Foxman… in Proceedings of the 8th International Confe… (1964)

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    Chapter and Conference Paper

    The catalytic site and mechanism of action of bovine pancreatic ribonuclease

    Bovine pancreatic ribonuclease is the only enzyme for which the primary structure is known (Hirs, Moore and Stein, 1960; Smyth, Stein and Moore, 1962; Potts et al., 1962; Gross and Witkop, 1962). The nature of th...

    B. R. Rabin, A. P. Mathias in Mechanismen Enzymatischer Reaktionen (1964)

  13. No Access

    Chapter and Conference Paper

    Soft and Very Soft Fluorescence Analysis: Spectrographic and Electronic Modifications for Optimum, Automated Results

    The use of soft X-ray sources (designed by B. L. Henke, Pomona College) in a commercial vacuum spectrograph requires modifications in the optic path dependent upon the wavelength region being considered. Chang...

    A. K. Baird, D. B. Mclntyre, E. E. Welday in Developments in Applied Spectroscopy (1965)

  14. No Access

    Chapter and Conference Paper

    The Direct Gas Chromatographic Determination of Low Molecular Weight Fatty Acids in Rumen Fluid

    A gas chromatographic procedure to analyze rumen fluids for the low molecular weight fatty acids through n-valeric acid has been developed. The method requires little pretreatment of the rumen sample. The colu...

    J. B. Martin Jr. in Developments in Applied Spectroscopy (1965)

  15. No Access

    Chapter and Conference Paper

    Entwicklung und präparative Möglichkeiten der Carben-Chemie

    Prof. Dr. B. Jerosch Herold, Prof. Dr. P. P. Gaspar in Organische Synthesen (1965)

  16. No Access

    Chapter and Conference Paper

    The chemistry and function of ferredoxin

    B. B. Buchanan in Structure And Bonding (1966)

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    Chapter and Conference Paper

    A Blazed-Grating Scanning Spectrometer for Ultrasoft X-Rays Suitable for Use in an Electron Microprobe

    The importance of operating within the blaze angle is emphasized by a series of measurements of ultrasoft X-rays obtained with a new grazing-incidence, grating spectrometer. A formula to maximize output intens...

    J. B. Nicholson, M. F. Hasler in Advances in X-Ray Analysis (1966)

  18. No Access

    Chapter and Conference Paper

    Biosynthesis of Phoshoinositides

    It is now known that brain contains three phosphoinositides, a monophosphoinositide (MPI)* a diphosphoinositide (DPI) and a triphosphoinositide (TPI) (Hörhammbr, Wagner, and Hölzl, 1958, 1960; Brockerhoff and Bal...

    R. J. Rossiter, F. B. Palmer in Lipoide (1966)

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    Chapter and Conference Paper

    Automated Peptide Synthesis

    The value of synthetic organic chemistry to our understanding of the action of hypotensive peptides, and other biologically active peptides, has been well demonstrated. For example, the structure of bradykinin...

    R. B. Merrifield in Hypotensive Peptides (1966)

  20. No Access

    Chapter and Conference Paper

    Cardiovascular Actions of Physalaemin

    Physalaemin and eledoisin and perhaps substance P belong to a group of peptides having similar pharmacological actions (Bertaccini et al., 1965a,b) both in vitro and in vivo. In vivo, these peptides affect the...

    A. H. Glasser, G. B. Fregnan in Hypotensive Peptides (1966)

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