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  • 1
    Electronic Resource
    Electronic Resource
    A fluorescent probe and a photoaffinity labeling reagent to study the binding site of maytansine and rhizoxin on tubulin (1993)
    s.l. : American Chemical Society
    Bioconjugate chemistry 4 (1993), S. 284-289 
    Details
    ISSN: 1520-4812
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bc00022a006
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  • 2
    Electronic Resource
    Electronic Resource
    Comparison between resonant Lα emission spectra and resonant LMM Auger spectra of yttrium compounds (2001)
    Chester : International Union of Crystallography (IUCr)
    Journal of synchrotron radiation 8 (2001), S. 401-403 
    Details
    ISSN: 1600-5775
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: Resonant Lα x-ray emission spectra (RXES) and resonant LMM Auger emission spectra (RAES) of Yttrium compounds were measured across YLIII absorption threshold. When the incident photon energy is bellow the absorption threshold, only Raman scattering component is commonly observed in both spectra. Above the absorption threshold, Raman and normal Lα (or normal LMM Auger) emission peaks are observed in insulator samples. These spectral features are almost same in both RXES and RAES processes, except for the relative intensity ratio between these Raman peaks and normal Lα (or normal LMM Auger) emission peaks. Comparing these two spectra, useful information about the deexcitation of core hole can be obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0909049500014035
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  • 3
    Electronic Resource
    Electronic Resource
    Saturable Process Involved in Active Efflux of Vincristine as a Mechanism of Multidrug Resistance in P388 Leukemia Cells (1989)
    Springer
    Pharmaceutical research 6 (1989), S. 690-696 
    Details
    ISSN: 1573-904X
    Keywords: multidrug resistance ; active efflux ; vincristine ; kinetic analysis ; carrier-mediated transport
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Kinetic analysis of vincristine (VCR) efflux in multidrug-resistant and parental P388 leukemia cells was performed to investigate the difference in activity between the two cell lines. Efflux velocities of VCR were directly determined from the slope of the initial release of drug induced by resuspending the preloaded cells in VCR-free medium, representing unidirectional efflux from intracellular free or loosely bound drug pools. Further, the equilibrium binding of VCR to whole-cell homogenates was analyzed by ultrafiltration to estimate intracellular unbound drug concentrations. A two-site binding model was found to fit the data best for both cell lines, and depletion of ATP by the addition of apyrase decreased binding. The binding parameters were similar between the two cell lines. A Hofstee plot of efflux demonstrated the existence of both linear and saturable transport of VCR in both cell lines. The greater maximum velocity observed with VCR efflux in the resistant cells suggests that an increased number of transporters causes greater activity of this process in the resistant cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1015986405834
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  • 4
    Electronic Resource
    Electronic Resource
    Jointing Structures of Some Kinds of Lead-Free Solder on EN/IG Finished Boards (2003)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 426-432 (Aug. 2003), p. 4117-4122 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/07/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.426-432.4117.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    Intelligent control in the hierarchy of automatic manufacturing systems (1989)
    Springer
    Journal of intelligent and robotic systems 2 (1989), S. 171-186 
    Details
    ISSN: 1573-0409
    Keywords: Intelligent control ; hierarchy ; manufacturing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The multiple performances of manufacturing systems are given by applying theoretical/heuristic knowledge to hierarchical control loop in various ways. It is shown that the energy consumption of motor control, the operation speed of path control, the cost-performance/productivity of machining control, and the margin to the due dates of intelligent machines are significantly improved by using the knowledge of electromagnetism, dynamics, machining and scheduling, respectively, with sensor signals in the system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00238687
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  • 6
    Electronic Resource
    Electronic Resource
    The crystallization of the amorphous alloy Fe40Ni40P14B6 (1980)
    Springer
    Journal of materials science 15 (1980), S. 1131-1139 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The isothermal transformation behaviour of the metallic glass Fe40Ni40P14B6 between 320 and 400° C is described. Crystallization occurs by a eutectic mechanism to form Fe-Ni austenite and a body-centred tetragonal phase which is isomorphous with Fe3P and Ni3P. The eutectic crystals have a barrel shape such that the c-axis of the tetragonal phase is parallel to the barrel axis. The orientation relationship between the two phases is 〈1 1 0〉T ∥ 〈1 1 0〉γ and 〈0 0 1〉T ∥ 〈1 1 2〉γ. The austenite phase contains (1 1 1) twins.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00551801
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  • 7
    Electronic Resource
    Electronic Resource
    Immunohistochemical colocalization of insulin, aromatic L-amino acid decarboxylase and dopamine beta-hydroxylase in islet B cells of chicken pancreas (1991)
    Springer
    Cell & tissue research 263 (1991), S. 131-136 
    Details
    ISSN: 1432-0878
    Keywords: B cells ; Insulin ; Catecholamine ; synthesizing enzymes ; Immunohistochemistry ; Chicken
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The identity of the monoamine which produces a very weak formaldehyde-induced fluorescence in some pancreatic islet cells was studied by fluorescence microscopy and immunohistochemistry either on the same tissue section or on serial tissue sections of tissue from male chickens. Pancreatic islet cells showing this very weak formaldehyde-induced fluorescence react immunohistochemically with antisera directed against insulin, aromatic L-amino acid decarboxylase and dopamine beta-hydroxylase and therefore appear to be islet B cells producing insulin and noradrenaline.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00318408
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  • 8
    Electronic Resource
    Electronic Resource
    Electron microscopic study on the innervation of the pancreas of the domestic fowl (1977)
    Springer
    Cell & tissue research 180 (1977), S. 453-465 
    Details
    ISSN: 1432-0878
    Keywords: Pancreas ; Fowl ; Innervation ; Synaptic vesicles ; Electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The innervation of the pancreas of the domestic fowl was studied electron microscopically. The extrapancreatic nerve is composed mostly of unmyelinated nerve fibers with a smaller component of myelinated nerve fibers. The latter are not found in the parenchyma. The pancreas contains ganglion cells in the interlobular connective tissue. The unmyelinated nerve fibers branch off along blood vessels. Their synaptic terminals contact with the exocrine and endocrine tissues. The synaptic terminals can be divided into four types based on a combination of three kinds of synaptic vesicles. Type I synaptic terminals contain only small clear vesicles about 600 Å in diameter. Type II terminals are characterized by small clear and large dense core vesicles 1,000 Å in diameter. Type III terminals contain small clear vesicles and small dense core vesicles 500 Å in diameter. Type IV terminals are characterized by small and large dense core vesicles. The exocrine tissue receives a richer nervous supply than the endocrine tissue. Type II and IV terminals are distributed in the acinus, and they contact A and D cells of the islets. B cells and pancreatic ducts are supplied mainly by Type II terminals, the blood vessels by Type IV terminals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00220168
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  • 9
    Electronic Resource
    Electronic Resource
    Catecholamine-containing pancreatic islet cells of the domestic fowl (1984)
    Springer
    Cell & tissue research 237 (1984), S. 239-244 
    Details
    ISSN: 1432-0878
    Keywords: Islet A cell ; Catecholamine ; Combined microscopy ; Immunohistochemistry ; Fowl
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary In an attempt to identify pancreatic islet cells emitting formaldehyde-induced fluorescence (FIF), the pancreatic islets of the domestic fowl were studied by combined fluorescence, ultrastructural, silver-impregnation and immunohistochemical methods in the same section or in consecutive semi-thin and ultra-thin sections. The results indicate that islet cells emitting intense FIF exhibit a strongly argyrophil reaction with the Grimelius' silver method and also immunohistochemical reaction with anti-glucagon serum, but not with anti-5-HT serum. Therefore, the fowl islet A cell, a peptide hormone-producing cell, stores simultaneously catecholamine as biogenic amine. The islet B and D cells did not display any FIF, any argyrophil reaction with the Grimelius' silver method, or any immunoreactivity with anti-glucagon or anti-5-HT sera. The fluorescent but non-argyrophil cells dispersed in the exocrine acinus may well be PP cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00217141
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  • 10
    Electronic Resource
    Electronic Resource
    Serotonin-storing cells of the chicken duodenum: light, fluorescence and electron microscopy, and immunohistochemistry (1987)
    Springer
    Cell & tissue research 247 (1987), S. 25-32 
    Details
    ISSN: 1432-0878
    Keywords: Enterochromaffin cells ; Silver impregnation ; Combined microscopy ; Immunohistochemistry ; Chicken
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary In an attempt to identify duodenal endocrine cells emitting formaldehyde-induced fluorescence (FIF), chicken duodena were studied by combined fluorescence, ultrastructural, silver impregnation and immunohistochemical methods in the same or consecutive sections. Our results show that: (1) Almost all the cells emitting yellow fluorescence by both the Falck-Hillarp and the Furness methods exhibit an immunohistochemical reaction with serotonin (5-HT) antiserum. (2) Almost all cells radiating yellow fluorescence by the Furness method stain with toluidine blue in Epon-embedded sections but, by high-voltage electron microscopy, can be subdivided into two types of cell containing either small round or polymorphous types of granules. (3) In the sections from which resin had been removed, all the cells emitting yellow FIF show argentaffinity by the Singh method, but not all cells display argyrophilia with the Grimelius method. (4) Cells exhibiting both argyrophil and argentaffin reactions in deresined serial sections are also separated into two types of cell, containing either small spherical or polymorphous types of granules by conventional electron microscopy in thin sections. Therefore, chicken enterochromaffin cells emit yellow FIF, store 5-HT, show both argentaffinity and argyrophilia, but are ultrastructurally classified into two types of granule-containing cells which may be related to polypeptides coexisting with 5-HT.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00216543
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