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  • Chemistry  (21)
  • Cerebellum  (2)
  • Isozyme  (2)
  • adenylate cyclase  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Properties of adenylate cyclase from mouse thymus
    Amsterdam : Elsevier
    International Journal of Biochemistry 4 (1973), S. 79-88 
    Details
    ISSN: 0020-711X
    Keywords: Thymus ; adenylate cyclase ; catecholamines ; cyclic AMP ; hormone effects ; prostaglandin ; thymocytes
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0020-711X(73)90024-4
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  • 2
    Electronic Resource
    Electronic Resource
    Isozymes of nuclear protein tyrosine kinase during chemical induced hepatocarcinogenesis in rats (1997)
    Springer
    Journal of cancer research and clinical oncology 123 (1997), S. 527-529 
    Details
    ISSN: 1432-1335
    Keywords: Nuclear protein tyrosine kinase ; Hepatocarcinogensis ; Isozyme
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The activity changes of isozymes of nuclear protein tyrosine kinase (nPTK) during chemically induced hepatocarcinogenesis in rats was studied. Two isozymes were isolated from rat liver by using ion exchange chromatography. These two isozymes were designated as nPTK-I and nPTK-II, and were found to be minor and major components of total nPTK respectively. These proved to be two different enzymes due to their different characteristics, such as molecular weights, electrical charges and kinetics. The specific activity nPTK-I and its percentages in total nPTK significantly increased in preneoplastic stage (week 10) and slightly elevated further in neoplastic stage (week 18). The specific activity of the nPTK-II moderately increased at week 10, but compared to its value at week 10, it decrease at week 18, resulted in gradual decrease of its percentage in total nPTK. These results indicate that rat hepatic nPTK-I and nTPK-II may be related to neoplastic and preneoplastic stages of rat liver respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01192209
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  • 3
    Electronic Resource
    Electronic Resource
    Isozymes of nuclear protein tyrosine kinase during chemical induced hepatocarcinogenesis in rats (1997)
    Springer
    Journal of cancer research and clinical oncology 123 (1997), S. 527-529 
    Details
    ISSN: 1432-1335
    Keywords: Key words Nuclear protein tyrosine kinase ; Hepatocarcinogensis ; Isozyme
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The activity changes of isozymes of nuclear protein tyrosine kinase (nPTK) during chemically induced hepatocarcinogenesis in rats was studied. Two isozymes were isolated from rat liver by using ion exchange chromatography. These two isozymes were designated as nPTK-I and nPTK-II, and were found to be minor and major components of total nPTK respectively. These proved to be two different enzymes due to their different characteristics, such as molecular weights, electrical charges and kinetics. The specific activity nPTK-I and its percentages in total nPTK significantly increased in preneoplastic stage (week 10) and slightly elevated further in neoplastic stage (week 18). The specific activity of the nPTK-II moderately increased at week 10, but compared to its value at week 10, it decrease at week 18, resulted in gradual decrease of its percentage in total nPTK. These results indicate that rat hepatic nPTK-I and nTPK-II may be related to neoplastic and preneoplastic stages of rat liver respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01192209
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    A rare (arteriolo-)capillomedullary venous anomaly of the cerebellum (1996)
    Springer
    Neuroradiology 38 (1996), S. 91-95 
    Details
    ISSN: 1432-1920
    Keywords: Venous angioma ; Cerebellum ; Developmental venous anomaly
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A rare (arteriolo-)capillomedullary venous anomaly of the cerebellum was examined with CT, MRI, and angiography. Unlike the usual venous angioma, this case had such extraordinary features as: infratentorial location, involvement of the whole left cerebellum, an arteriolocapillary component and a history of progressive vomiting and chronic constipation in a 7-year-old boy. CT and MRI were consistent with an extensive vascular malformation, but the actual diagnosis was reached by angiography.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00593233
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  • 5
    Electronic Resource
    Electronic Resource
    A rare (arteriolo-)capillomedullary venous anomaly of the cerebellum (1995)
    Springer
    Neuroradiology 38 (1995), S. 91-95 
    Details
    ISSN: 1432-1920
    Keywords: Key words Venous angioma ; Cerebellum ; Developmental venous anomaly
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A rare (arteriolo-)capillo-medullary venous anomaly of the cerebellum was examined with CT, MRI, and angiography. Unlike the usual venous angioma, this case had such extraordinary features as: infratentorial location, involvement of the whole left cerebellum, an arteriolocapillary component and a history of progressive vomiting and chronic constipation in a 7-year-old boy. CT and MRI were consistent with an extensive vascular malformation, but the actual diagnosis was reached by angiography.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00593233
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Divalent cation and lipid-protein interactions of biomembranes (1993)
    Springer
    Bioscience reports 13 (1993), S. 143-157 
    Details
    ISSN: 1573-4935
    Keywords: divalent cation ; lipid-protein interaction ; H+-ATPase ; adenylate cyclase ; Sarcoplasmic reticulum Ca2+-ATPase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Divalent cations play an important role in the functions of biomembranes. This review deals with three topics: (1) Mg2+-mediated change in physical state of phospholipid induces conformation and activity change of reconstituted mitochondrial H+-ATPase, (2) a proper transmembrane Ca2+ gradient is essential for the higher enzymatic activity of adenylate cyclase, and (3) role of transmembrane Ca2+ gradient in the modulation of reconstituted sarcoplasmic reticulm Ca2+-ATPase activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01149959
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  • 7
    Electronic Resource
    Electronic Resource
    A free radical copolymerization model for simulating reactive processing of unsaturated polyester resins (1990)
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 30 (1990), S. 684-692 
    Details
    ISSN: 0032-3888
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: A free radical copolymerization model is proposed for simulating the reaction rates and conversions of styrene monomer and unsaturated polyester resins during curing. This model is based on film theory in which the rate constants reflect both reaction and diffusion resistances. Differential scanning calorimetry in combination with Fourier transform infrared spectroscopy is used to measure the overall and individual reactivities of reacting species. Model parameters are determined from experimental data. The applicability of this model is demonstrated in a cure simulation.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pen.760301108
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  • 8
    Electronic Resource
    Electronic Resource
    Phosphorylation of yeast protein: Reduction of ribonucleic acid and isolation of yeast protein concentrate (1986)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 28 (1986), S. 1690-1698 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Yeast nucleoproteins were chemically phosphorylated with phosphorus oxychloride (POCL3). Studies using 31P nuclear magnetic resonance (NMR) spectroscopy, stability to pH and lysine estimation all indicated that the ∊-amino group of lysine was the principal functional group phosphorylated. Phosphorylation of ca. 30% of the lysine residues resulted in removal of more than 85% of contaminant ribonucleic acid from protein precipitated at pH 4.2. Phosphorylation did not alter the amino acid composition of yeast proteins and was reversible under acidic conditions. Based on the data, a method for the preparation of phosphorylated yeast protein with low levels of nucleic acid is proposed.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260281112
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Drop formation in air prior to jetting (1989)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 35 (1989), S. 1572-1574 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690350922
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  • 10
    Electronic Resource
    Electronic Resource
    Dispersed phase mass transfer during drop formation under jetting conditions (1977)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 23 (1977), S. 701-714 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A recent design procedure for perforated plate extraction columns requires extension to include jetting conditions at each perforation. For this purpose, correlations are obtained for jet length, jet contraction, drop size, and mass transfer coefficients in disperse phase controlled liquid-liquid systems. Experimental variables include nozzle size, flow velocity, and physical properties.
    Additional Material: 21 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690230512
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