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  • Articles: DFG German National Licenses  (15)
  • 1990-1994  (13)
  • 1965-1969  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Third-order nonlinear optical properties of retinal derivatives (1990)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 56 (1990), S. 411-413 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Retinal derivatives were synthesized and their third-order nonlinear optical properties were measured by degenerate four-wave mixing with temporally incoherent nanosecond laser pulses. Fast optical nonlinearities, whose response time was shorter than 30 ps, were observed. The magnitudes of resonant third-order hyperpolarizability were found to be 10−31∼10−29 esu. The large optical nonlinearities were of electronic origin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.102796
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    LACK OF ABNORMALITY IN BRAIN AROMATIC AMINES IN RATS AND MICE SUSCEPTIBLE TO AUDIOGENIC SEIZURE (1969)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 16 (1969), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The levels of certain amines (catecholamines, 5-HT, and ‘histamine’) and of certain enzymes (tyrosine hydroxylase, tryptophan hydroxylase, ChAc, or AChE) in whole brain or selected brain areas of rats and mice susceptible to audiogenic seizure have been compared with the levels in matched groups of non-sensitive animals. Sensitive groups included both those where susceptibility is inborn and those where it is induced by administration of methionine sulphoximine or thiosemicarbazide. No significant difference was found which could be correlated with susceptibility to audiogenic seizure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1969.tb08984.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Transduction Mechanisms (1968)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Genetics 2 (1968), S. 245-278 
    Details
    ISSN: 0066-4197
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.ge.02.120168.001333
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Resonant nonlinear optical response of electronic excited state of a cyanine dye crystal with large oscillator strength (1993)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 63 (1993), S. 2463-2465 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Resonant nonlinear optical response was measured in a crystalline cyanine dye MPER, 5-(5-morpholino-2,4-pentadienilydene)-3-ethylrhodanine, which had a broad reflection band due to large oscillator strength of an electronic excited state in the visible wavelength region. Nonlinear optical response measured by the change of reflectivity under optical pumping at the wavelength of the peak of the excited state was composed of fast and slow components. Response time of the fast component was less than 4 ps and its nonlinear optical coefficient χ(3) was evaluated to be (5±2)×10−15 m2/V2 [(4±2)×10−7 esu], which was one of the largest among organic materials.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.110476
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  • 5
    Electronic Resource
    Electronic Resource
    ABO blood grouping of bloodstains by sandwich ELISA using monoclonal antibody specific for human red cell band 3 (1993)
    Springer
    International journal of legal medicine 105 (1993), S. 209-212 
    Details
    ISSN: 1437-1596
    Keywords: ABO blood groupin ; Contaminated bloodstains ; Sandwich ELISA ; Monoclonal antibody ; Red cell membrane band 3 ; ABO-Blutgruppenbestimmung ; Kontaminierte Blutspuren ; Sandwich ELISA ; Monoklonale Antikörper ; Erythrozytenmembran-Bande 3
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: usammenfassung Die ABO-Blutgruppenbestimmung an menschlichen Blutspuren wurde mit Hilfe einer ELISA-Sandwichtechnik durchgeführt, indem ein Species-spezifischer monoklonaler Antikörper gegen die aminoterminale zytoplasmatische Domäne der menschlichen Erythrozytenmembran-Bande 3 benutzt wurde. In einem Blindversuch wurden alle A-, B- und O-Blutspuren (ein 1 cm langer Faden) und AB-Blutspuren (ein 1,5 cm langer Faden) mit dieser Methode richtig bestimmt. Auch wenn Blutspuren mit anderen Körperflüssigkeiten kontaminiert waren (z. B. Sperma, Speichel) wurden lediglich die ABO-Blutgruppen-Epitope auf der Bande 3 der Erythrozytenmembran nachgewiesen. Auf diese Weise konnte die Identifikation menschlichen Blutes und die Blutgruppenbestimmung von Blutspuren, welche mit anderen Körperflüssigkeiten kontaminiert waren, simultan mit dieser Methode durchgeführt werden.
    Notes: Summary ABO blood grouping of human bloodstains was performed by a sandwich ELISA using a species-specific monoclonal antibody to the amino-terminal cytoplasmic domain of human red cell membrane band 3. In a blind trial, all A, B and O bloodstains (a 1 cm long thread) and AB bloodstains (a 1.5 cm long thread) were accurately typed by this method. Even when bloodstains were contaminated by other body fluids (e.g., semen and saliva), only the ABO blood group epitopes on band 3 of the red cell membrane were detected. Thus, identification of human blood and ABO blood grouping of bloodstains which were contaminated by other body fluids could be simultaneously performed by this method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01642795
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    A case of Rathke's cleft cyst within a pituitary adenoma presenting with acromegaly — do “transitional cell tumors of the pituitary gland” really exist? (1992)
    Springer
    Acta neuropathologica 83 (1992), S. 211-215 
    Details
    ISSN: 1432-0533
    Keywords: Pituitary adenoma ; Plurihormonal adenoma ; Immunohistochemistry ; Acromegaly ; Rathke's cleft cyst
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A case of multiple large Rathke's cleft cyst within a pituitary adenoma presenting with acromegaly is reported. Rathke's cleft cyst within a pituitary adenoma is rare condition, and this is the first report of such a case presenting with acromegaly. An electron microscopic and an immunohistochemical analysis proved that the cyst within the pituitary adenoma of this case differs from cysts found in the embryonic stage of the pituitary gland.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00308482
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    The relationship between c-myc protein expression, the bromodeoxyuridine labeling index and the biological behavior of pituitary adenomas (1992)
    Springer
    Acta neuropathologica 83 (1992), S. 361-364 
    Details
    ISSN: 1432-0533
    Keywords: c-myc protein ; Bromodeoxyuridine ; Pituitary adenoma ; Malignancy ; Labeling index
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To clarify the relationship between the percentage of c-myc protein-labeled cells, the bromodeo-xyuridine (BrdUrd) labeling index (LI) and clinical malignancy in pituitary adenomas, we studied 31 cases of pituitary adenomas. Tumor invasiveness, recurrence, tumor size and the length of illness were evaluated from operative findings, magnetic resonance imaging findings, and the clinical course. Each pituitary adenoma was scored to represent the degree of clinical malignancy. An hour before excision of the tumor, we administered BrdUrd intravenously. Surgical materials were fixed in 70% alcohol and embedded in paraffin. Both hematoxylin and eosin staining and immunohistochemical staining were performed using a monoclonal antibody for both anti-BrdUrd and anti-c-myc protein. Among pituitary adenomas, there was a significantly low percentage of c-myc protein-labeled cells in cases with acromegaly. The percentage of c-myc protein-labeled cells in the pituitary adenomas tended to increase with increase with the total scores of clinical malignancy. The BrdUrd LI was lower than 1% in almost all cases of pituitary adenomas, and it showed no correlation with their clinical malignancy. In conclusion, determination of the percentage of c-myc protein-labeled cells in pituitary adenomas proved to be useful for evaluating their clinical malignancy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00713526
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Reduced sensitivity of dihydroxyacetone on ATP-sensitive K+ channels of pancreatic beta cells in GK rats (1994)
    Springer
    Diabetologia 37 (1994), S. 1082-1087 
    Details
    ISSN: 1432-0428
    Keywords: Dihydroxyacetone ; ATP-sensitive K+ channels ; GK rat ; glycerol phosphate shuttle ; pancreatic beta cell
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In the GK (Goto-Kakizaki) rat, a genetic model of non-insulin-dependent diabetes mellitus, glucose-induced insulin secretion is selectively impaired. In addition, it has been suggested by previous studies that impaired glucose metabolism in beta cells of the GK rat results in insufficient closure of ATP-sensitive K+ channels (KATP channels) and a consequent decrease in depolarization, leading to a decreased insulin release. We have recently reported that the site of disturbed glucose metabolism is probably located in the early stages of glycolysis or in the glycerol phosphate shuttle. In the present study, in order to identify the impaired metabolic step in diabetic beta cells, we have investigated insulin secretory capacity by stimulation with dihydroxyacetone (DHA), which is known to be directly converted to DHA-phosphate and to preferentially enter the glycerol phosphate shuttle. In addition, using the patch-clamp technique, we also have studied the sensitivity of DHA on the KATP channels of beta cells in GK rats. The insulin secretion in response to 5 mmol/l DHA with 2.8 mmol/l glucose was impaired, and DHA sensitivity of the KATP channels was reduced in beta cells of GK rats. From these results, we suggest that the intracellular site responsible for impaired glucose metabolism in pancreatic beta cells of GK rats is located in the glycerol phosphate shuttle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00418371
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Reduced sensitivity of dihydroxyacetone on ATP-sensitive K+ channels of pancreatic beta cells in GK rats (1994)
    Springer
    Diabetologia 37 (1994), S. 1082-1087 
    Details
    ISSN: 1432-0428
    Keywords: Key words Dihydroxyacetone ; ATP-sensitive K+ channels ; GK rat ; glycerol phosphate shuttle ; pancreatic beta cell.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In the GK (Goto-Kakizaki) rat, a genetic model of non-insulin-dependent diabetes mellitus, glucose-induced insulin secretion is selectively impaired. In addition, it has been suggested by previous studies that impaired glucose metabolism in beta cells of the GK rat results in insufficient closure of ATP-sensitive K+ channels (KATP channels) and a consequent decrease in depolarization, leading to a decreased insulin release. We have recently reported that the site of disturbed glucose metabolism is probably located in the early stages of glycolysis or in the glycerol phosphate shuttle. In the present study, in order to identify the impaired metabolic step in diabetic beta cells, we have investigated insulin secretory capacity by stimulation with dihydroxyacetone (DHA), which is known to be directly converted to DHA-phosphate and to preferentially enter the glycerol phosphate shuttle. In addition, using the patch-clamp technique, we also have studied the sensitivity of DHA on the KATP channels of beta cells in GK rats. The insulin secretion in response to 5 mmol/l DHA with 2.8 mmol/l glucose was impaired, and DHA sensitivity of the KATP channels was reduced in beta cells of GK rats. From these results, we suggest that the intracellular site responsible for impaired glucose metabolism in pancreatic beta cells of GK rats is located in the glycerol phosphate shuttle. [Diabetologia (1994) 37: 1082–1087]
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00418371
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Fine mapping of HLA class II monoclonal antibody specificities using transfected L cells (1990)
    Springer
    Immunogenetics 32 (1990), S. 370-370 
    Details
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00211654
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    Paper (German National Licenses)
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