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  • Articles: DFG German National Licenses  (12)
  • 1990-1994  (4)
  • 1985-1989  (8)
  • 1994  (4)
  • 1985  (8)
Source
  • Articles: DFG German National Licenses  (12)
Material
Years
  • 1990-1994  (4)
  • 1985-1989  (8)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Contamination of Environmental Samples Prepared for PCB Analysis (1994)
    s.l. : American Chemical Society
    Environmental science & technology 28 (1994), S. 1838-1842 
    Details
    ISSN: 1520-5851
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/es00060a013
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Coherent Foucault imaging: A method for imaging magnetic domain structures in thin films (1994)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 76 (1994), S. 5349-5355 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A method for imaging magnetic domain structures in the transmission electron microscope is described. Coherent Foucault imaging provides a direct means of producing a magnetic interferogram which reveals the quantitative distribution of magnetic induction across the specimen. The technique requires the high coherence of a field-emission gun system and the ability to position an aperture accurately to cut part of the diffraction pattern. A simple analytical theory, together with computer simulations and experimental results, is presented to demonstrate the power of the technique.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.357188
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Effect of Phosphate Fertilizers and Atmospheric Deposition on Long-Term Changes in the Cadmium Content of Soils and Crops (1994)
    s.l. : American Chemical Society
    Environmental science & technology 28 (1994), S. 2170-2175 
    Details
    ISSN: 1520-5851
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/es00061a027
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    A GREEK GRAFFITO FROM AREZZO (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Oxford journal of archaeology 4 (1985), S. 0 
    Details
    ISSN: 1468-0092
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Archaeology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1468-0092.1985.tb00236.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Uptake of CO2 by aquatic vegetation (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 8 (1985), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Photosynthesis by aquatic plants based on the supply of CO2 from air-equilibrated solutions may be limited by the low diffusion coefficient of CO2 in water. For plants in which the transport of CO2 from the bulk medium is by diffusion, and the initial carboxylation uses RUBISCO, CO2 supply can be increased by growth in habitats with fast water flow over the surface (reducing unstirred layer thickness), or with heterotrophically-augmented CO2 levels, including the direct use of sediment CO2. Many aquatic plants using RUBISCO as their initial carboxylase counter the limitations on CO2 supply via the operation of biophysical CO2 concentrating mechanisms which are based on active transport of HCO−3, CO2 or H+ at the plasmalemma, and use bulk-phase HCO−3 or CO2 as the C source. A final group of aquatic plants use biochemical CO2 concentrating mechanisms based on auxiliary carboxylation by PEPc: C4-like and Crassulacean Acid Metabolism–like processes are involved. These various mechanisms for increasing CO2 supply to RUBISCO also help to offset the low specific reaction rate of aquatic plant RUBISCOs at low [CO2] and low [CO2]: [CO2]. In addition to overcoming restrictions on CO2 supply, the various methods of increasing inorganic C availability may also be important in alleviating shortages of nitrogen or photons.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3040.1985.tb01677.x
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Cyclosporin pharmacokinetics in heart-lung transplant recipients with cystic fibrosis (1994)
    Springer
    European journal of clinical pharmacology 46 (1994), S. 261-265 
    Details
    ISSN: 1432-1041
    Keywords: Cystic fibrosis ; Cyclosporin ; pharmacokinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Abstract Cyclosporin (CsA) is currently the main immunosuppressive agent used in organ transplantation with considerable improvement in graft survival. Oral CsA solution is highly lipophilic, and its bioavailability may be reduced in cystic fibrosis (CF) heart-lung transplant recipients with pancreatic, gastrointestinal, and hepatic insufficiency. The bioavailability of oral CsA solution in 7 CF transplant recipients (5 male and 2 female with a mean age of 27 years and a mean weight of 49 kg) and 3 non-CF heart-lung recipients (1 male and 2 female with a mean age of 41 years and a mean weight of 60 kg) was studied. Following intravenous CsA administration, the kinetic curves were similar with no significant difference in the volume of distribution and clearance of CsA demonstrated between the CF and non-CF groups. The mean daily dose of oral CsA in 7 CF subjects (23.3 mg·kg−1) was significantly higher than the 3 non-CF heart-lung recipients (4.8 mg·kg−1). The mean maximum blood concentration of CsA for the oral dose was 776 ng·ml−1 for the 7 CF subjects, which was comparable with the mean peak values of 789 ng·ml−1 for the 3 non-CF control subjects. Poor enteral absorption of CsA probably accounts for the significantly lower mean bioavailability in the 7 CF subjects (14.9%) compared with the 3 non-CF control subjects (39.4%). The effects on the bioavailability of oral CsA solution by pancreatic enzymes (Creon) and histamine-2 antagonist (ranitidine) were also evaluated in the 7 CF subjects. No significant difference was demonstrated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00192559
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    The relationship between clearance of theophylline and age within the adult age range (1985)
    Springer
    European journal of clinical pharmacology 29 (1985), S. 177-179 
    Details
    ISSN: 1432-1041
    Keywords: theophylline clearance ; age ; adult age range ; normal subjects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Twenty volunteers aged between 20 and 57 years were given 197 mg of theophylline (as lysine theophylline) by iv infusion over 5 minutes to test the hypothesis that within the adult age range theophylline clearance declines with age. Samples were assayed for theophylline using the EMIT assay and clearance was determined by standard methods. Clearance values were 0.73 ml/min/kg below age 38 years and 0.75 ml/min/kg at and above age 38 years. Multiple regression analysis using age as a continuous variable showed no relationship between age and clearance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00547418
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    The acute changes in serum binding of disopyramide and flecainide after myocardial infarction (1985)
    Springer
    European journal of clinical pharmacology 28 (1985), S. 253-255 
    Details
    ISSN: 1432-1041
    Keywords: disopyramide ; flecainide ; myocardial infarction ; drug plasma binding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary In the serum basic drugs are principally bound to alpha1-acid glycoprotein (AAG). Following acute myocardial infarction it has been shown that the levels of AAG rise. The serum levels of total protein, albumin, AAG and the protein binding of 2 antiarrhythmic drugs which are bases, disopyramide and flecainide, was measured in vitro with blood samples from eleven patients taken over the first 5 days following myocardial infarction. Mean AAG levels significantly increased from 1.04 g/l on Day 1 to 1.80 g/l on Day 5. The binding of disopyramide, which is highly bound, rose from 80% to 87%, representing a 35% decrease in free drug concentration. In contrast the binding of flecainide fell from 61% to 53%, a 20% increase in free drug concentration. These data suggest that although the binding of strongly bound drugs responds appropriately to increases in binding protein after acute myocardial infarction, poorly bound drugs are displaced from binding sites possibly by endogenous substances. Since the pharmacological effects of a drug are related to its free (unbound) concentration, the changes in the proportions of free to bound drug after myocardial infarction may have important clinical implications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00543319
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    psi, a plasmid-linked Rhizobium phaseoli gene that inhibits exopolysaccharide production and which is required for symbiotic nitrogen fixation (1985)
    Springer
    Molecular genetics and genomics 200 (1985), S. 278-282 
    Details
    ISSN: 1617-4623
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A strain of R. phaseoli cured of its symbiotic plasmid, pRP2JI, retained the ability to make exopolysaccharide (EPS). However, a region of pRP2JI, when cloned at an increased copy number in wide host-range vectors and transferred to this and other strains of Rhizobium, inhibited EPS synthesis. The gene responsible was termed psi (polysaccharide inhibition) and was located in a region of the symbiotic plasmid close to nodulation and nitrogen fixation genes. psi is important in the symbiosis since a wild-type strain containing psi cloned on a multicopy plasmid failed to form Phaseolus nodules, and mutant strains containing psi::Tn5 mutations failed to fix nitrogen in Phaseolus nodules. It is proposed that the function of psi may be to repress in the bacteriod the expression of genes such as those for EPS synthesis which are normally expressed in free-living culture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00425436
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Identification of the host-range DNA which allows Rhizobium leguminosarum strain TOM to nodulate cv. Afghanistan peas (1985)
    Springer
    Molecular genetics and genomics 201 (1985), S. 296-300 
    Details
    ISSN: 1617-4623
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The special ability of Rhizobium leguminosarum strain TOM to nodulate cv. Afghanistan peas had previously been shown to be determined by the symbiotic plasmid, pRL5JI, of this strain. A region of pRL5JI, 2.0 kb in size, was found to confer the ability to nodulate cv. Afghanistan peas when transferred to strains of R. leguminosarum which normally fail to nodulate this host. This region of pRL5JI, responsible for the extension of host-range, was closely linked to, but did not include, the genes required for root hair curling. Although extensive homology has been found between the R. leguminosarum nod genes on pRL5JI and those on the normal symbiotic plasmid pRL1JI, a fragment from the 2.0 kb region involved in nodulation of cv. Afghanistan has been identified, which was not homologous to DNA in strains which do not nodulate cv. Afghanistan.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00425674
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    Paper (German National Licenses)
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