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  • Articles: DFG German National Licenses  (13)
  • 1995-1999  (9)
  • 1980-1984  (4)
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  • Articles: DFG German National Licenses  (13)
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  • 1
    Electronic Resource
    Electronic Resource
    Intramolecular hydrogen bonding in substituted anthraquinones by laser-induced fluorescence. 1. 1,4-Dihydroxyanthraquinone (quinizarin) (1982)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 86 (1982), S. 192-196 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100391a012
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Efficient nonphotochemical hole burning of dye molecules in polymers (1983)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 87 (1983), S. 3590-3592 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100242a005
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Fluorescence and fluorescence excitation spectra of 1-aminoanthraquionone in an n-heptane Shpol'skii matrix (1983)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 87 (1983), S. 1891-1898 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100234a013
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Effects of aluminium on nitrate uptake and assimilation (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 18 (1995), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: A study was conducted to examine the hypothesis that the effects of external Al on NO3− uptake and assimilation depend upon the concentration of Al present. Young soybean seedlings [Glycine max (L.) Merrill, cv. Essex], growing under moderate acidity stress at pH 4-2, were exposed to a range of {A13+} in solution for 3d, and to labelled 99 atom %15NO3− during the final hour of Al exposure. Uptake of 15NO3−g−1 root dry weight was increased by about 28% in the presence of Al at {A13+} below 10 mmolm−3, and NO3− uptake was decreased by about 12% when the {A13+} increased to 44mmoln−3. The stimulation phase closely paralleled stimulation of root elongation. At higher {A13+}, the inhibition of root elongation was much more severe than that of NO3− uptake. There was no indication of a separate effect of Al on root 15NO3− reduction in situ, as the accumulation of reduced 15N in the root remained a similar percentage of 15NO3− uptake at all {A13+}. At higher {A13+}, the atom %15N enrichment of the insoluble reduced-N (protein) fraction of root tips increased. This suggests that the Al inhibition of root elongation did not result from disruption of the N supply to the root apex.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3040.1995.tb00192.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    High-density lipoprotein cholesterol and apolipoprotein A-I levels at diagnosis in patients with non-insulin dependent diabetes (1981)
    Springer
    Diabetologia 20 (1981), S. 535-539 
    Details
    ISSN: 1432-0428
    Keywords: HDL-cholesterol ; apolipoprotein A-I ; non-insulin dependent diabetes ; hypertriglyceridaemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary High-density lipoprotein (HDL) cholesterol levels were decreased in patients with non-insulin dependent diabetes at diagnosis when matched with a control population for sex, age, obesity, alcohol consumption and cigarette smoking. There was no association between serum HDL-cholesterol concentration and the percentage of glycosylated haemoglobin A1 (HbA1). Serum HDL-cholesterol levels were lower in diabetics over the whole range of serum triglyceride levels, and particularly in hypertriglyceridaemic diabetics. Serum apolipoprotein A-I levels were not decreased in diabetics with normal serum triglyceride levels, so that the ratio of HDL cholesterol to apolipoprotein A-I was significantly decreased in diabetics (p〈0.005). Decreased HDL cholesterol levels in non-insulin dependent diabetes could be relevant to the subsequent development of atherosclerosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00252761
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    RFLP loci associated with soybean seed protein and oil content across populations and locations (1996)
    Springer
    Theoretical and applied genetics 93 (1996), S. 649-657 
    Details
    ISSN: 1432-2242
    Keywords: Soybean ; Glycine max ; Protein content ; Oil content ; Mapping ; QTL ; RFLP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Molecular markers provide the opportunity to identify marker-quantitative trait locus (QTL) associations in different environments and populations. Two soybean [Glycine max (L.) Merr.] populations, ‘Young’ x PI 416 937 and PI 97100 x ‘Coker 237’, were evaluated with restriction fragment length polymorphism (RFLP) markers to identify additional QTLs related to seed protein and oil. For the Young x PI 416937 population, 120 F4-derived lines were secored for segregation at 155 RFLP loci. The F4-derived lines and two parents were grown at Plains, G.a., and Windblow and Plymouth, N.C. in 1994, and evaluated for seed protein and oil. For the PI 97100 x Coker 237 population, 111 F2-derived lines were evaluated for segregation at 153 RFLP loci. Phenotypic data for seed protein and oil were obtained in two different locations (Athens, G.a., and Blackville, S.C.) in 1994. Based on single-factor analysis of variance (ANOVA) for the Young x PI 416937 population, five of seven independent markers associated with seed protein, and all four independent markers associated with seed oil in the combined analysis over locations were detected at all three locations. For the PI 97 100 x Coker 237 population, both single-factor ANOVA and interval mapping were used to detect QTLs. Using single-factor ANOVA, three of four independent markers for seed protein and two of three independent markers for seed oil were detected at both locations. In both populations, singlefactor ANOVA, revealed the consistency of QTLs across locations, which might be due to the high heritability and the relatively few QTLs with large effects conditioning these traits. However, interval mapping of the PI 97100 x Coker 237 population indicated that QTLs identified at Athens for seed protein and oil were different from those at Blackville. This might result from the power of QTL mapping being dependent on the level of saturation of the genetic map. Increased seed protein was associated with decreased seed oil in the PI 97100 x Coker 237 population (r = −0.61). There were various common markers (P⩽0.05) on linkage groups (LG) E, G,H,K, and UNK2 identified for both seed protein and oil. One QTL on LG E was associated with seed protein in both populations. The other QTLs for protein and oil were population specific.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00224058
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Molecular markers associated with seed weight in two soybean populations (1996)
    Springer
    Theoretical and applied genetics 93 (1996), S. 1011-1016 
    Details
    ISSN: 1432-2242
    Keywords: Soybean ; Glycine max ; Seed weight ; RFLP ; QTL ; Markers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Seed weight (SW) is a component of soybean, Glycine max (L.) Merr., seed yield, as well as an important trait for food-type soybeans. Two soybean populations, 120 F4-derived lines of ‘Young’xPI416937 (Pop1) and 111 F2-derived lines of PI97100x‘Coker 237’ (Pop2), were mapped with RFLP makers to identify quantitative trait loci (QTLs) conditioning SW across environments and populations. The genetic map of Pop1 consisted of 155 loci covering 973 cM, whereas Pop2 involved 153 loci and covered 1600 cM of map distance. For Pop1, the phenotypic data were collected from Plains, GA., Windblow, N.C., and Plymouth, N.C., in 1994. For Pop2, data were collected from Athens, GA., in 1994 and 1995, and Blackville, S.C., in 1995. Based on single-factor analysis of variance (ANOVA), seven and nine independent loci were associated with SW in Pop1 and Pop2, respectively. Together the loci explained 73% of the variability in SW in Pop1 and 74% in Pop2. Transgressive segregation occurred among the progeny in both populations. The marker loci associated with SW were highly consistent across environments and years. Two QTLs on linkage group (LG) F and K were located at similar genomic regions in both populations. The high consistency of QTLs across environments indicates that effective marker-assisted selection is feasible for soybean SW.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00230118
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Effects of defoliation on seed protein concentration in normal and high protein lines of soybean (1995)
    Springer
    Plant and soil 172 (1995), S. 131-139 
    Details
    ISSN: 1573-5036
    Keywords: Glycine max ; nitrogen fixation ; nitrogen mobilization ; seed protein concentration ; soybean
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Two high (NC106, NC111) and two normal (NC103, NC107) seed protein concentration lines, derived from two different recurrent selection populations of soybean (Glycine max L. Merr.) were subjected to partial defoliation at beginning seed fill (R5) under outdoor pot culture and field conditions. The aim of this study was to test the hypothesis that capacity to store N in vegetative organs and/or to mobilize that N to reproductive organs is associated with the high seed protein concentration trait. Symbiotic N2 fixation was the sole source of N in the pot experiment and the major source of N (met 〉 50% of the N requirement) in the low N soil used in the field experiment. Seed protein concentration and seed yield at maturity in both experiments and N accumulation and mobilization between R5 and maturity in the pot experiment were measured. The four genotypes did not differ significantly with respect to the amount of N accumulated before beginning seed fill (R5). Removal of up to two leaflets per trifoliolate leaf at R5 significantly decreased the seed protein concentration of NC107/111 but had no effect on this trait in NC103/106. Defoliation treatments significantly decreased seed yield, whole plant N accumulation (N2-fixation) during reproductive growth and vegetative N mobilization of all genotypes. Differences in harvest indices between the high and low protein lines accounted for approximately 35% of the differences in protein concentration. The two normal protein lines mobilized more vegetative N to the seed (average. 5.26 g plant−1) than the two high protein lines (average. 4.28 g plant−1). The two high seed protein lines (NC106, NC111) exhibited significantly different relative dependencies of reproductive N accumulation on vegetative N mobilization, 45% vs. 29%, in the control treatment. Whereas, NC103 with normal and NC106 with high seed protein concentration exhibited similar relative dependencies of reproductive N accumulation on vegetative N mobilization, (47% vs. 45%). Collectively, these results indicate that N stored in shoot organs before R5 and greater absolute and relative contribution of vegetative N mobilization to the reproductive N requirement are not responsible for the high seed protein concentration trait.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00020867
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Correlations between D and $${\overline D}$$ mesons produced in 500 GeV/cπ−-nucleon interactions (1999)
    Springer
    EPJ direct 1 (1999), S. 1-67 
    Details
    ISSN: 1435-3725
    Keywords: 12.38.-t ; 13.85.-t ; 13.87.Ce ; 13.87.Fh
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present a study of correlations between D and $${\overline D}$$ mesons produced in 500 GeV/cπ−-nucleon interactions, based on data from experiment E791 at Fermilab. We have fully reconstructed 791 ± 44 charm meson pairs to study correlations between the transverse and longitudinal momenta of the two D mesons and the relative production rates for different types of D meson pairs. We see slight correlations between the longitudinal momenta of the D and the $${\bar D}$$ , and significant correlations between the azimuthal angle of the D and the $${\bar D}$$ . The experimental distributions are compared to a next-to-leading-order QCD calculation and to predictions of the PYTHIA/JETSET Monte Carlo event generator. We observe less correlation between transverse momenta and different correlations between longitudinal momenta than these models predict for the default values of the model parameters. Better agreement between data and theory might be achieved by tuning the model parameters or by adding higher order perturbative terms, thus contributing to a better understanding of charm production. The relative production rates for the four sets of charm pairs, $$D^0{{\overline D}^0}, D^0 D^{-}, D^+{{\overline D}^0}, D^+ D^{-}$$ as calculated in the PYTHIA/JETSET event generator with the default parameters, agree with data as far as the relative ordering, but predict too many $$D^+ {{\overline D}^0}$$ pairs and too few $$D^+ D^{-}$$ pairs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s101059900c0004
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    φ meson production from $$p\bar p$$ collisions at $$\sqrt s = 1.8$$ TeV (1995)
    Springer
    The European physical journal 67 (1995), S. 411-416 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Fermilab experiment E735 located at the CO intersection region of the $$\sqrt s = 1.8$$ TeV $$p\bar p$$ collider analysed over 900 Φ→K + K − events. Measured were the transverse momentum spectrum, the correlation between the average transverse momentum 〈pt〉 and the charged particle multiphcityN c , as well as the probability of Φ production per charged track,N Φ /N c , versusN c . We have also made an estinate of the total inclusive cross section for Φ mesons, $$\sigma (p\bar p \to \phi X) = 7.3 \pm 2.2 mb$$ .
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01624584
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    Paper (German National Licenses)
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