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  • 1990-1994  (4)
  • 1980-1984
  • 1970-1974  (1)
  • 1994  (4)
  • 1974  (1)
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  • 1990-1994  (4)
  • 1980-1984
  • 1970-1974  (1)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Characterization of carbon material as a scanning tunneling microscopy tip for in situ electrochemical studies (1994)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 65 (1994), S. 404-406 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: We have studied the feasibility of using carbon as a scanning tunneling microscopy tip material for experiments conducted under electrochemical environments. The tips were found to be stable and durable in acidic or alkaline solution for several hours. The fabricated carbon tips were capable of resolving graphite atoms in electrolyte solution under potentiostatic condition as well as in air.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1145146
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Biochemical genetic evidence for a hybrid origin of spined loach, Cobitis taenia taenia, in Japan (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 44 (1994), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Starch gel electrophoresis and isoelectric focusing were performed on sarcoplasmic proteins from three taxa of cobitid fish in Japan, Cobitis biwae, C. taenia striata and C. l. taenia. These taxa are hardly distinguishable from each other by external appearance or morphological characters. Electrophoretic patterns of sarcoplasmic proteins from white muscle suggested fixed allelic differences between C. biwae and C. t. striata at two protein-coding loci (parvalbumin and creatine kinase). The third taxon, C. t. taenia, showed composite banding patterns with respect to the above two proteins, suggesting C. t, taenia originated from hybridization between C. biwae and C, t. striata. Previously, C. t, taenia and C. t. striata were believed to have shared a common ancestor subsequent to their divergence from C. biwae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1994.tb01244.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    EFFECT OF DEPLETION OF SERUM CALCIUM BY EGTA ON CANINE PANCREATIC SECRETION INDUCED BY DOPAMINE AND BY SECRETIN (1974)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental pharmacology and physiology 1 (1974), S. 0 
    Details
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: SUMMARY 1. Pancreatic secretion has been monitored in the isolated, blood-perfused canine pancreas, and the effects of depletion of serum calcium by infusion of EGTA on the increases in secretion produced by intra-arterial injections of dopamine and secretin have been investigated.2. Under resting conditions in preparations in dogs fasted for 24 h, the mean rate of pancreatic secretion was 16.4 μ1/min (s. e. m. = 2, n= 12). The mean concentrations of protein, bicarbonate and chloride in the pancreatic juice were 53.8 mg/ml (s. e. m. = 4.5), 18.0 mmol/1 (s. e. m. = 1.1) and 122.5 mmol/1 (s. e. m. = 7.5), respectively. Infusion of EGTA had no effect on resting secretion.3. Secretion elicited by dopamine or secretin was diminished about 50% during the intra-arterial infusion of EGTA (10−2 mM/ml) in the perfusing blood. The protein concentration in the secretion was diminished to a similar extent. The concentrations of bicarbonate and chloride in the pancreatic juice was not modified by EGTA infusion.4. Concomitant infusion of an equimolar concentration of CaCl2 solution abolished the inhibitory effects of EGTA infusion on the secretory responses to dopamine or secretin.5. The results suggest that dopamine and secretin influence the exocrine secretions of the pancreas by actions on both acinar and ductular cells. Acinar cell secretion is more susceptible to depletion of serum calcium levels than is secretion from ductular cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1440-1681.1974.tb00551.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    A cosmid clone at the D6S182 locus on human Chromosome 6p12 contains the 90-kDa heat shock protein β gene (HSP90β) (1994)
    Springer
    Mammalian genome 5 (1994), S. 121-122 
    Details
    ISSN: 1432-1777
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00292342
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Kinetic investigation of the reaction of pertechnetate with thiourea in a hydrochloric acid solution (1994)
    Springer
    Journal of radioanalytical and nuclear chemistry 188 (1994), S. 391-400 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Reactions of pertechnetate ion with thiourea (tu) in a hydrochloric acid solution have been investigated by spectrophotometry. Two consecutive reactions were observed for the formation of a technetium-thiourea complex. The intermediate is considered to be a Tc(V)-tu complex ([TcO(tu)4]3+). The observed reaction rates of these two reactions were found to be second order with respect to the concentration of thiourea. The rate-determining step in the 1st step was concluded tobe the reduction of Tc(VII) to Tc(V) and that in the 2nd step to be the reduction of Tc(V) to Tc(III).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02164732
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    Paper (German National Licenses)
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