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  • 1
    Electronic Resource
    Electronic Resource
    Effect of volatile phylloplane fungal metabolites on the growth of a foliar pathogen (1981)
    Springer
    Cellular and molecular life sciences 37 (1981), S. 707-708 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Volatile fungal metabolites excluded from various leaf-inhabiting microfungi were tested for their mycostatic activity against the growth ofPestalotiopsis funerea Desm., a leaf spot pathogen ofEucalyptus globulus Labill. Findings reveal thatTrichoderma viride andTrichothecium roseum exhibited significant antagonistic action, however,Cladosporium herbarum, Nigrospora sphaerica andPapulaspora sp. showed a stimulating effect. A morphophysiological effect was also observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01967934
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Elongational flow behavior of polymeric fluids according to the Leonov model (1983)
    Springer
    Rheologica acta 22 (1983), S. 557-568 
    Details
    ISSN: 1435-1528
    Keywords: Viscoelastic constitutive equation ; elongational flow ; elastic recovery ; stress growth ; strain-hardening
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Abstract The viscoelastic behavior of polymeric systems based upon the Leonov model has been examined for (i) the stress growth at constant strain rate, (ii) the stress growth at constant speed and (iii) the elastic recovery in elongational flow. The model parameters have been determined from the available rheological data obtained either in steady shear flow (shear viscosity and first normal-stress difference as a function of shear rate) or oscillatory flow (storage and loss moduli as a function of frequency in the linear region) or from extensional flow at very small strain rates (time-dependent elongation viscosity in the linear viscoelastic limit). In addition, the effect of the parameter characterizing the strain-hardening of the material during elongation has also been studied. The estimation of this parameter has been based upon the structural characteristics of the polymer chain which include the critical molecular weight and molecular weight of an independent segment. Five different polymer melts have been considered with varying number of modes (maximum four modes). Resulting predictions are in fair agreement with corresponding experimental data in the literature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01351402
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Simulation of two-dimensional planar flow of viscoelastic fluid (1986)
    Springer
    Rheologica acta 25 (1986), S. 80-94 
    Details
    ISSN: 1435-1528
    Keywords: Streamwise integration ; abrupt contraction ; Leonov model ; birefringence ; Weissenberg number ; Deborah number
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Abstract A numerical scheme based on the Finite Element Method has been developed which uses a relaxation factor in the momentum equation with the stresses being evaluated via a streamwise integration procedure. A constitutive equation introduced by Leonov has been used to represent the rheological behavior of the fluid. The convergence of the scheme has been tested on a 2 : 1 abrupt contraction problem by successive mesh refinement for non-dimensional characteristic shear rates, of 5 and 50 for polyisobutylene Vistanex at 27 °C. The recirculation region is shown to increase in size with non-dimensional characteristic shear rate. Theoretical predictions have been compared with the experimental data which include birefringence and pressure loss measurements. In general, the comparisons have been reasonably good and demonstrates the usefulness of the present numerical scheme and the Leonov constitutive equation to describe real polymer flows.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01332127
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  • 4
    Electronic Resource
    Electronic Resource
    Thin layer chromatographic studies of anils II. Separation, identification and determination (1976)
    Springer
    Monatshefte für Chemie 107 (1976), S. 1221-1225 
    Details
    ISSN: 1434-4475
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Thin layer chromatographic behaviour of ten anils was studied on silica gel adsorbent mixed with starch binder with ten solvent systems. Simultaneous separation, identification and determination of ternary mixtures of isomers was stressed. TheR F increasing order was found to be dependent on the solvent and independent of the degree of saturation of the chamber. The correlations ofR F with λmax and ν (C=O) of isomers were established and used in their identification. Six anils were separated in methanol—benzene (1∶1).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00903810
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Untersuchungen über die Chelate einiger seltenerer Übergangsmetalle, I. Mitt: Ir(III), Pt(IV) und Au(III) (1978)
    Springer
    Monatshefte für Chemie 109 (1978), S. 99-106 
    Details
    ISSN: 1434-4475
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Chelates of bidentate ligands, p-dimethylamino and p-diethylaminoanils of 3-benzoylmethylglyoxal with Ir(III), Pt(IV) and Au(III) ions have been studied for their stoichiometry, electrolytic nature, infrared, magnetic, and electronic spectra. In addition to the elucidation of stereochemistry and structures various ligand field parameters have been calculated and unusual paramagnetic behaviour has been accounted for.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00911949
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  • 6
    Electronic Resource
    Electronic Resource
    Studies in the chelates of some less common transition metals, II. Mitt.: Os(VIII), Au(III) (1978)
    Springer
    Monatshefte für Chemie 109 (1978), S. 107-112 
    Details
    ISSN: 1434-4475
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Low spin square planar complexes of Au(III) with five keto anils as ligands have been investigated spectroscopically. Several bands corresponding tod-d andL→M charge transfer transitions have been identified following the “Molecular Orbital Scheme” given byGray andBallhausen. Square planar geometry established spectroscopically has been confirmed magnetically. Os(VIII) complexes involvingd 0 configuration have also been studied and found having octahedral stereochemistry. Infrared spectra of ligands and complexes have been used to determine their structures and seats of coordination.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00911950
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Staling growth products of phyllosphere fungi (1980)
    Springer
    Cellular and molecular life sciences 36 (1980), S. 66-67 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Pestalotiopsis funerea Desm. causing leaf spot ofEucalyptus globulus Labill. failed to coloniz strongly staled agar discs of phyllosphere inocula. Antibiotics, besides alteration in pH, and nutrient impoverishment of the staling growth products, may play a major role in the mycostasis phenomenon leading to colonization of staled agar by phyllosphere microfungi.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02003977
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  • 8
    Electronic Resource
    Electronic Resource
    Sproostasis between phylloplane microfungi and a foliar pathogen (1981)
    Springer
    Cellular and molecular life sciences 37 (1981), S. 833-835 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Interactions between germinating spores of phylloplane microfungi andPestalotiopsis funerea Desm., a leaf spot pathogen ofEucalyptus globulus Labill., were studied in vitro. Findings suggest that sporostasis imposed onP. funerea by germinating spores of other nonparasitic microfungi was due to nutrient impoverishment or mycotoxins present in spore exudates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01985665
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  • 9
    Electronic Resource
    Electronic Resource
    Fijiensin, the first phytotoxin fromMycosphaerella fijiensis, the causative agent of Black Sigatoka disease (1990)
    Springer
    Cellular and molecular life sciences 46 (1990), S. 982-984 
    Details
    ISSN: 1420-9071
    Keywords: Fijiensin ; Mycosphaerella fijiensis ; Black Sigatoka ; fungal phytotoxin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Fijiensin, a novel phytotoxic metabolite, was isolated from a culture of the fungusMycosphaerella fijiensis, the causal agent of Black Sigatoka disease of banana. Fijiensin is phytotoxic on various banana cultivars, but not toward non-host plants. The structure of fijiensin was determined by X-ray analysis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01939396
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  • 10
    Electronic Resource
    Electronic Resource
    Role of fungal statling growth products in inter-specific competition among phylloplane fungi (1980)
    Springer
    Cellular and molecular life sciences 36 (1980), S. 185-186 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The effect of fungal staling growth products on leaf-inhabiting microfungi, with special reference to a leaf spot pathogenPestalotiopsis funerea Desm. ofEucalyptus globulus Labill. was studied. Results depict that antibiotics produced by competing microfungi caused the phenomenon of mycostasis on the leaf surfaces.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01953721
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