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  • Atomic, Molecular and Optical Physics  (1,119)
  • Biochemistry  (522)
  • Wiley-Blackwell  (1,638)
  • Springer  (3)
  • American Institute of Physics
  • Instituto Antártico Ecuatoriano, Guayaquil, Ecuador
  • 1985-1989  (1,641)
Collection
Keywords
Publisher
  • Wiley-Blackwell  (1,638)
  • Springer  (3)
  • American Institute of Physics
  • Instituto Antártico Ecuatoriano, Guayaquil, Ecuador
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Histamine receptors in the central nervous system (1989)
    Springer
    Pharmacy world & science 11 (1989), S. 146-150 
    Details
    ISSN: 1573-739X
    Keywords: Agonists ; Antagonists ; Biochemistry ; Central nervous system ; Ligands ; Pharmacology ; Receptors, histamine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The role of histamine in brain function is discussed. A brief review is presented on the three types of histamine receptors with regard to their biochemistry and functions, as well as on specific ligands, both agonists and antagonists. It is concluded that several aspects of the pharmacology of histamine in the central nervous system are still a matter of empirism and speculations. The recent publications on the brain-penetrating H2 antagonist zolantidine and the selective H3 agonists and antagonists are expected to contribute to the knowledge of the histaminergic pathways in the brain. Therapeutical areas within the central nervous system are related to behaviour (including wake-sleep), neuroendocrinal processes, the control of muscle activity and cerebral circulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01959461
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  • 2
    Electronic Resource
    Electronic Resource
    Pharmacochemical aspects of leprosy (1989)
    Springer
    Pharmacy world & science 11 (1989), S. 3-8 
    Details
    ISSN: 1573-739X
    Keywords: Biochemistry ; Clofazimine ; Dapsone ; Ethionamide ; Isoniazide ; Mechanism of action ; Mycobacterium leprae ; Prothionamide ; Quinolones ; Ribonucleotide reductase inhibitors ; Rifampicin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract From a pharmacochemical point of view the existing anti-leprotics as well as possible innovations in the chemotherapy of leprosy are discussed. Of the main anti-leprotics, which are used nowadays — dapsone, rifampicin, clofazimine, isoniazide, ethionamide and prothionamide — the mechanism of action, the main problems in their application and possibilities to develop improved variants are reviewed. Based on the chemistry ofMycobacterium leprae, the target systems for new anti-leprotics are identified. These systems include the cell wall, the catabolism of reactive oxygen species, the metabolisms of carbon sources, the amino acid metabolism and the uptake of iron. Two possible new lead structures from other fields, 4-quinolones and mycobacterial ribonucleotide reductase inhibitors are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01972907
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  • 3
    Electronic Resource
    Electronic Resource
    The beta-adrenoceptor-adenylate cyclase complex (1986)
    Springer
    Pharmacy world & science 8 (1986), S. 209-222 
    Details
    ISSN: 1573-739X
    Keywords: Biochemistry ; Pharmacology ; Receptors, adrenergic, beta ; Review
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Developments in the receptor concept have greatly influenced our current knowledge of the beta-adrenoceptor. The triad of pharmacology, organic chemistry and studies in structure-activity relationships is discussed along historical lines, as it has been and still is an impetus for progress in the biochemistry of ligand-receptor interactions. With respect to the beta-adrenoceptor complex these advances which have led to a model in which three protein structures are functionally interacting within the frame of the cell wall: the beta-adrenoceptor, the regulatory guanine nucleotide binding protein, and the enzyme adenylate cyclase, are reviewed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01957781
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  • 4
    Electronic Resource
    Electronic Resource
    Warped linear analytic tetrahedral scheme for brillouin zone integrations (1985)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 27 (1985), S. 97-101 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: We provide an alternative to the biquadratic analytic scheme BIQ published earlier. This form, AMPLIN, is similar to the older linear analytic scheme, LIN. This scheme is much faster than BIQ.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560270108
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  • 5
    Electronic Resource
    Electronic Resource
    Announcement (1985)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 27 (1985), S. 105-105 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560270110
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  • 6
    Electronic Resource
    Electronic Resource
    Isoscalar factors for tetragonal, orthorhombic, monoclinic and triclinic shubnikov point groups (1985)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 27 (1985), S. 45-58 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The relations between isoscalar factors for corepresentations of antiunitary magnetic point groups are discussed in the case of associated corepresentations. The tables of the isoscalar factors for the single- and double-valued corepresentations of all tetragonal, orthorhombic, monoclinic, and triclinic Shubnikov point groups are given. Some peculiarities of the calculation method of the isoscalar factors for corepresentations are considered.
    Additional Material: 10 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560270104
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  • 7
    Electronic Resource
    Electronic Resource
    Symmetrization of operator matrix elements (1985)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 27 (1985), S. 89-96 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The method of Dupuis and King for generating matrix elements of a totally symmetric one-electron operator in terms of symmetry-distinct integrals only is generalized to the case of nontotally symmetric operators. For operators constructed from two-electron integrals, explicit reduction of integral processing to permutationally inequivalent symmetry-distinct integrals only is described, while for one-electron operators further reductions are derived using double coset decompositions. Finally, some computational consequences of this approach are briefly discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560270107
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  • 8
    Electronic Resource
    Electronic Resource
    Masthead (1985)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 27 (1985) 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560270201
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  • 9
    Electronic Resource
    Electronic Resource
    EOM/Propagator ionization potentials: Effect of an extended operator manifold on the predicted valence-shell ionization spectra of ethane, ethylene, and acetylene (1985)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 27 (1985), S. 145-157 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The orthogonalized direct diagonalization (ODD) method is used to predict the valence-shell ionization spectra for the series of hydrocarbons ethane (C2H6), ethylene (C2H4), and acetylene (C2H2) within an EOM/propagator formalism. Both (a) third-order and (b) higher-order (with h5 terms in the excitation operator manifold) calculations are presented in order to illustrate the effect of the extended operator manifold on the predicted valence-shell spectra. It is shown that the major effect of the h5 manifold is concentrated in its “occupied” part. Along with a general shifting of the main lines for outer valence ionizations to lower values (together with a slight reduction in pole strength), it is found that the effect of the h5 manifold in the inner valence region is dependent on the system being studied.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560270205
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  • 10
    Electronic Resource
    Electronic Resource
    Anomeric effect in phosphate moieties of carbohydrates: An Ab initio study (1985)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 27 (1985), S. 181-194 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Ab initio SCF MO calculations at the STO-3G level have been carried out on CH2OHOPO3-H and CH2OHOPO32-, which have been considered as model systems for the Cl-phosphate moiety of sugars. The results predict higher anomeric energy for the phosphate moiety at Cl atom of pyranosides. Also a trans arrangement of the exocyclic O - P bond is preferred rather than a gauche arrangement, thus exhibiting a reverse exo-anomeric effect. A complete potential energy map has been constructed for CH3OPO3-H, a model system for C6-phosphate moiety. It is seen that the bond angle optimization brings down the relative energies of various conformations. The effect of the phosphate group on the preferred conformation of phosphate containing polysaccharides is also discussed.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560270209
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