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  • 1
    Digitale Medien
    Digitale Medien
    Liver glycogen mobilization by Trypanosoma brucei sonicates
    Amsterdam : Elsevier
    Comparative Biochemistry and Physiology -- Part B: Biochemistry and 70 (1981), S. 447-450 
    Details
    ISSN: 0305-0491
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0305-0491(81)90280-7
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  • 2
    Digitale Medien
    Digitale Medien
    ON THE APPLICATION OF INVERSE THEORY TO GRAVITY INTERPRETATION (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical prospecting 31 (1983), S. 0 
    Details
    ISSN: 1365-2478
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Geologie und Paläontologie , Physik
    Notizen: Numerical investigations have been carried out on suitable interpretation schemes for gravity, based upon Backus-Gilbert inverse theory. A two-dimensional linear model consisting of horizontal prisms (grid shape) has been adopted for interpretation of gravity profiles. An inversion technique, which uses a linear approach suitable for rapid computation, and studies with synthetic bodies have led to improvements in the method, mainly by applying weighting factors, which improve the solution in the final stages of computational work. Gravity data from the well-known Cyprus island positive anomaly were inverted to demonstrate the feasibility of the method.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2478.1983.tb01045.x
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  • 3
    Digitale Medien
    Digitale Medien
    Antiferromagnetic Coupling in the Polynuclear Compound [Cu(II) (Allopurinolate) (OH-)]"n
    Amsterdam : Elsevier
    Journal of Solid State Chemistry 113 (1994), S. 21-26 
    Details
    ISSN: 0022-4596
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1006/jssc.1994.1336
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  • 4
    Digitale Medien
    Digitale Medien
    Fluorescamine-induced membrane permeability in mitochondria
    Amsterdam : Elsevier
    International Journal of Biochemistry 24 (1992), S. 1779-1784 
    Details
    ISSN: 0020-711X
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0020-711X(92)90128-N
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  • 5
    Digitale Medien
    Digitale Medien
    On the singular Bochner-Martinelli integral (1998)
    Springer
    Integral equations and operator theory 32 (1998), S. 354-365 
    Details
    ISSN: 1420-8989
    Schlagwort(e): Primary: 32A25 ; 42B20 ; Secondary: 30G35
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Mathematik
    Notizen: Abstract The Bochner-Martinelli (B.-M.) kernel inherits, forn≥2, only some of properties of the Cauchy kernel in ℂ. For instance it is known that the singular B.-M. operatorM n is not an involution forn≥2. M. Shapiro and N. Vasilevski found a formula forM 2 2 using methods of quaternionic analysis which are essentially complex-twodimensional. The aim of this article is to present a formula forM n 2 for anyn≥2. We use now Clifford Analysis but forn=2 our formula coincides, of course, with the above-mentioned one.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01203775
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  • 6
    Digitale Medien
    Digitale Medien
    Size and structure of the Chicxulub crater revealed by horizontal gravity gradients and cenotes (1995)
    [s.l.] : Nature Publishing Group
    Nature 376 (1995), S. 415-417 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The size and structure of the buried Chicxulub crater have been primarily constrained from associated circular gravity and magnetic anomalies, although the distribution of karst topography, subsurface drill information and seismic reflection data have also been used1'7. To provide ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/376415a0
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  • 7
    Digitale Medien
    Digitale Medien
    Transfer of resistance to PLRV titer buildup from Solanum etuberosum to a tuber-bearing Solanum gene pool (1988)
    Springer
    Theoretical and applied genetics 76 (1988), S. 129-135 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Embryo culture ; Interspecific hybridization ; PLRV resistance ; Potato breeding
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Hybrids between Solanum etuberosum and S. pinnatisectum harboring resistance to titer buildup of potato leafroll virus (PLRV) were reciprocally crossed with tuber-bearing wild species S. acaule and S. verrucosum. A total of 47 hybrids with acaule were obtained with the aid of embryo rescue and sterile culturing of embryos from imbibing seeds. All but two hybrids with acaule had low pollen stainabilities or were pollen sterile. Hybrid seeds from crosses with verrucosum were easily obtained, and the triploid progenies were sterile. Hybrid progeny were screened for resistance to PLRV infection by viruliferous green peach aphid and for resistance to titer buildup. Although hybrids did not exhibit resistance to infection, PLRV was not detectable using ELISA. Virus was detected, however, by graft transmission to Datura stramonium. Crosses of fertile acaule-etuberosum-pinnatisectum hybrids with S. phureja, a cultivated diploid, using the latter as pollen parent, produced berries but seed did not complete development and was aborted. Rescue of immature embryos 25 days after pollination by excision from berries and sterile culture produced vigorous, pot-cultured plants. Segregation of susceptible (virus detected) and resistant (virus undetected) progenies suggests simple inheritance.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00288843
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  • 8
    Digitale Medien
    Digitale Medien
    Application of interspecific sesquiploidy to introgression of PLRV resistance from non-tuber-bearing Solanum etuberosum to cultivated potato germplasm (1988)
    Springer
    Theoretical and applied genetics 76 (1988), S. 497-500 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Breeding recombination ; Disease resistance ; Interspecific hybridization ; Wide crosses ; Alien addition lines
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Hybridization of synthetic allotetraploids of S. pinnatisectum with S. etuberosum (4x-EP) with S. acaule (2n = 4x = 48) resulted in two individuals that were highly fertile, in contrast to all other progenies. The unique individuals are hexaploids, 2n = 72, while the other progenies are tetraploids, 2n = 48. They are thought to be the products of a union between 2n eggs of S. acaule and normal 1n microspores of 4x-EP. The fertile hexaploids (designated 6x-AEP) produced abundant selfed seed and viable hybrids with cultivated diploid potato, S. phureja, when developing embryos were rescued from berries and cultured before transplanting to pot culture. The extreme variability in chromosome constitution of the hybrids with S. phureja and selfed progenies indicates that addition and substitution lines of etb chromosomes bearing genes of interest to breeders could easily be produced from this material. The production of sesquiploids, as the 6x-AEP hybrids are called, is discussed as a useful bridging step in the introduction of alien genes from genomes that share little homology with the cultivated genome.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00260898
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  • 9
    Digitale Medien
    Digitale Medien
    The importance of wild potato species resistant to the potato cyst nematode, Globodera pallida, pathotypes P4A and P5A, in potato breeding. I. Resistance studies (1988)
    Springer
    Euphytica 37 (1988), S. 9-14 
    Details
    ISSN: 1573-5060
    Schlagwort(e): Wild potato species (Solanum spp.) ; Globodera pallida resistance ; potato cyst nematode ; intra- and interspecific hybrids ; inheritance of resistance
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Seven wild diploid potato species, Series Tuberosa, representing 1023 clones were screened for resistance to the potato cyst nematode, Globodera pallida. Over 25% of the clones were resistant to pathotype P4A and almost 30% were resistant to pathotype P5A. The resistance in hybrid progenies of these and other resistant species with cultivated potatoes was evaluated, and over 2200 seedlings were screened. High frequencies of resistance (〉50%) to P4A were found in progenies with Solanum leptophyes, S. vernei, S. gourlayi and S. capsicibaccatum, whereas resistance to P5A was found in these species as well as S. sparsipilum. The importance of nematode resistant wild species for potato breeding is discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00037216
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  • 10
    Digitale Medien
    Digitale Medien
    The importance of wild potato species resistant to the potato cyst nematode, Globodera pallida, pathotypes P4A and P5A, in potato breeding. II. The crossability of resistant species (1988)
    Springer
    Euphytica 37 (1988), S. 15-22 
    Details
    ISSN: 1573-5060
    Schlagwort(e): Solanum spp. ; wild potato species ; Globodera pallida resistance ; potato cyst nematode ; interspecific hybridisation ; germplasm utilisation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Over 2400 pollinations were made to investigate the crossability relationships between cultivated potatoes, and wild diploid species from Series Tuberosa and Circaeifolia, as well as wild polyploid species in Series Tuberosa and Longipedicellata resistant to potato cyst nematode, Globodera pallida pathotypes P4A and P5A. Wild diploids in Series Tuberosa crossed easily with cultivated diploid species, except with Solanum lignicaule where most pollinations failed, and seed set was extremely low (0.2 seeds per pollination or less). It is suggested that this species is 1EBN. S. capsicibaccatum is clearly isolated from Series Tuberosa, but can form hybrids with S. lignicaule, which can act as a bridging species to S. tuberosum haploids. S. gourlayi and S. oplocense can be crossed with both subspecies of S. tuberosum, but S. papita, Series Longipedicellata is reproductively isolated from the tetraploid cultigens. The crossability data are discussed in the light of germplasm utilisation for breeding potato varieties resistant to potato cyst nematode.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00037217
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