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  • 1
    Digitale Medien
    Digitale Medien
    Buffalo α S1-casein; its terminal residues and amino acid composition (1981)
    Springer
    Cellular and molecular life sciences 37 (1981), S. 1260-1261 
    Details
    ISSN: 1420-9071
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary BuffaloaS1-casein was treated with carboxypeptidase-A to determine the C-terminal amino acid residue, which was — leucine-tryptophan. The Sakaguchi reagent was used to confirm arginine as the N-terminal amino acid. The colored p-phenylazophenyl thiohydantions of tryptophan and arginine released from C- and N-terminals respectively were quantitatively estimated and from this molecular weights of buffaloaS1 casein were calculated and found to be 26,300 and 26,100 respectively.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01948347
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  • 2
    Digitale Medien
    Digitale Medien
    Spectrophotometric Determination of Thorium with 2 - (4 - Carboxy - 3 - hydroxyphenylazo) - 1,8-dihydroxynaphthalene-3,6-disulfonic Acid (1958)
    s.l. : American Chemical Society
    Analytical chemistry 30 (1958), S. 1653-1656 
    Details
    ISSN: 1520-6882
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/ac60142a025
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  • 3
    Digitale Medien
    Digitale Medien
    I.P. AND RESISTIVITY MODEL STUDIES OVER THIN DYKES (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical prospecting 29 (1981), S. 0 
    Details
    ISSN: 1365-2478
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Geologie und Paläontologie , Physik
    Notizen: Induced polarization and resistivity model studies over thin dykes for varying resistivity contrasts, depth of burial, and dip angles show striking parallelism of the surface apparent resistivity contours with the boundary of the body. This effect may be utilized for the estimation of strike length of the body. Results show that intermediate values of the electrode spacing is satisfactory for detection under widely varying conditions of resistivity contrast and depth. The percentage frequency effect (P.F.E.) and the metal factor (M.F.) responses are found to be more sensitive to the variation in the depth of burial than the resistivity responses. Pseudosections for P.F.E. and M.F. are concentrated much closer to the body than the resistivity pseudo-sections.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2478.1981.tb01024.x
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  • 4
    Digitale Medien
    Digitale Medien
    Electrochemical and chemical oxidation of seven-coordinate Group 5 complexes (1980)
    s.l. : American Chemical Society
    Inorganic chemistry 19 (1980), S. 1760-1765 
    Details
    ISSN: 1520-510X
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/ic50208a067
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  • 5
    Digitale Medien
    Digitale Medien
    Ultraviolet Spectraphotometric Determination of Thorium with 2,4-Dichlorophenoxyacetic Acid (1959)
    s.l. : American Chemical Society
    Analytical chemistry 31 (1959), S. 195-197 
    Details
    ISSN: 1520-6882
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/ac60146a009
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  • 6
    Digitale Medien
    Digitale Medien
    Development of Natural Killer Cell Activity and Genetic Resistance to Bone Marrow Transplantation with Age: Effect of Neonatal Thymectomy (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 13 (1981), S. 0 
    Details
    ISSN: 1365-3083
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: The effect of neonatal thymectomy on the development of splenic and bone marrow natural cell-mediated cytotoxicity and on genetic resistance to bone marrow transplantation was examined in mice. Natural cytotoxicity was measured by a 51Cr release assay; the ability to engraft foreign bone marrow was assayed by the spleen colony method. The natural cytolytic response of spleen cells increased progressively from youth to early adulthood, whereas that of the bone marrow declined during the same age period. Neonatal thymectomy significantly elevated the natural killer cell response of young mice only (4 weeks, spleen; 6 weeks, bone marrow). In other experiments, neonatally thymectomized and sham-operated mice were lethally irradiated at 4 or 6 weeks of age and injected with 2.5, 5.0 or 10 million rat marrow cells. Six days later spleen colonies were markedly reduced in both 4- and 6-week-old neonatally thymectomized mice with all rat marrow cell doses tested. Neonatal thymectomy did not alter the percentage of erythroid versus other colonies at either 4 or 6 weeks. In both thymectomized and sham-operated mice the number of colonies increased with increases in marrow cell dose. The data are suggestive of a production and dissemination to the spleen of cells involved in the natural cytotoxic response from the bone marrow.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-3083.1981.tb00116.x
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  • 7
    Digitale Medien
    Digitale Medien
    Spinal anaesthesia for Caesarean section (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 37 (1982), S. 0 
    Details
    ISSN: 1365-2044
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: The effect upon the neonate of a short period of maternal hypotension sustained during the initiation of spinal analgesia for Caesarean section was studied. Babies born to mothers with hypotension were significantly more acidotic than controls although acid-base levels were still within normal limits. Neuro-behavioural studies were found to be normal in both groups at 4 and 24 hours. It was concluded that a short period (〈2 minutes) of hypotension was not harmful to the neonate.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2044.1982.tb01278.x
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  • 8
    Digitale Medien
    Digitale Medien
    On the mechanism of conduction and photoconduction in PbTe films (1982)
    Springer
    Czechoslovak journal of physics 32 (1982), S. 1153-1168 
    Details
    ISSN: 1572-9486
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Conductivity, photoconductivity, thermoelectric, Hall and photothermoelectric measurements have been carried out on vacuum evaporated, air exposed PbTe films of different thickness in the temperature range 300 K-130 K to probe into the mechanism of conduction and photoconduction in these films. The dark electronic transport properties have been explained considering accumulation layers on the free surface and substrate-film interface and also the diffusion of oxygen inside PbTe microcrystals. It appears that both bulk and potential barrier scattering predominate in the high temperature region (300 K-250 K) and only barrier scattering can explain the low temperature carrier mobility at lower temperatures (250 K-130 K). Photoconductivity can be described with trapping of minority carriers within the PbTe microcrystals in the low temperature region and in the high temperature region with diffusion of minority carriers to the surface. The same oxygen trap situated at a depth of 0·06 eV from the conduction band is found to be responsible for both conduction and photoconduction in the low temperature region.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01596746
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  • 9
    Digitale Medien
    Digitale Medien
    Relationship between Proton and Metal Binding by some Peptides, Amino-acid Amides and Amino-acids (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 745-746 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The structure of peptide - metal complexes is of considerable importance in understanding the mode of action of proteolytic enzymes, and it is evident that additional experimental work is urgently required in this field. The formulation given above is consistent with infra-red measurements on urea ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/183745a0
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  • 10
    Digitale Medien
    Digitale Medien
    Antimicrobial, insect sterilizing and ovicidal activity of some oxo-vanadium(IV) and oxo-vanadium(V) complexes (1982)
    Springer
    Inflammation research 12 (1982), S. 543-551 
    Details
    ISSN: 1420-908X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Twenty-three newly synthesized mixed-ligand complexes of oxo-vanadium(IV) and oxo-vanadium(V) were studied for antimicrobial activity. Eight of these complexes were found to have microbicidal properties. The complexes [NH4][VO(gl)2H2O (gl-H2=glycolic acid) and [VO(ACOAP)(acac-H)]H2O (ACOAP-H2=Schiff base of acetylacetone and orthoaminophenol, acac-H=acetylacetone) show broad bactericidal spectra, while the complexes [VO(ACSAM)2]OH (ACSAM-H=Schiff base of acetylacetone and sulphanilamide) and [VO(CSSAM-H)2]H2O (CSSAM-H=Schiff base of 3-carboxy salicylaldehyde and sulphanilamide) possess pronounced antidermatophytic properties. The latter is inhibitory to plant pathogenic fungi as well. Plant tumour producingAgrobacterium tumefaciens is effectively inhibitedin vitro by the complex [VO(ACTSC-Na)(acac)]H2O (ACTSC-H2=condensation product of acetylacetone and thiosemicarbazide). Minimum inhibitory concentrations of all the active complexes are within the values of 0.125–2.00 mg/ml. Out of the 7 active complexes tested for 50% inhibition of conidial germination ofHelminthosporium oryzae, a rice plant pathogen, only 1 complex, viz. [VO(acac) (ACACAACD)] (ACACAACD(H)NH4=Schiff base of acetylacetone and ammonium 2-amino-1-cyclopentene-1-dithiocarboxylate) shows a positive result. The effective concentration is 0.55 mg/ml. Three vanadium complexes were tested for insect sterilant and ovicidal properties on the red cotton bug,Dysdercus koenigi. The complex [VO(HASA-Na) (acac)]H2O (HASA-H2=Schiff base of orthohydroxy-acetophenone and anthranilic acid) was found to be a suitable male sterilant.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01965941
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