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  • 1
    Electronic Resource
    Electronic Resource
    The Treatment of dural AVM by embolization with aron alpha (Ethyl-2-cyanoacrylate) (1987)
    Springer
    Acta neurochirurgica 88 (1987), S. 10-19 
    Details
    ISSN: 0942-0940
    Keywords: Dural AVM ; embolization ; aron alpha ; cyanoacrylate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The authors report four cases of dural arteriovenous malformation (AVM) treated by a modified technique of embolization. Three cases had posterior fossa dural AVM and one had bilateral supratentorial dural AVM. The authors think that the best way to treat dural AVM is to close its nidus completely. This could be achieved by a safe and easy technique of embolization. The material used for embolization should intimately adhere to the vascular network and should not become fragmented. We used aron alpha (Ethyl-2-cyanoacrylate). This is a biological glue and it sets in a solid membranous form instantaneously on coming into the contact with an ionic medium. It does not get fragmented. Aron alpha was injected into the nidus of the AVM through a cannula inserted only into the main feeding artery in four cases of dural AVM reported here. Postoperative angiography showed complete obliteration of the AVM's, they did not fill either from the treated artery or from the untreated feeding arteries. The technique is easy and safe. There was no operative or postoperative complication. All the patients have remained asymptomatic to date,i.e. 2, 2, 6 and 7 1/2 years after the procedure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01400509
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  • 2
    Electronic Resource
    Electronic Resource
    Stimulated Raman scattering in cannonball targets (1987)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 30 (1987), S. 3276-3282 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Stimulated Raman scattering (SRS) in cannonball targets was experimentally investigated. Above the observed threshold laser intensity, the energy conversion to superhot electrons (E=100–800 keV) shows an increase of five orders of magnitude without saturation. Major differences in observing SRS from cannonball targets and directly driven targets lie in the background electron temperature and the electron plasma density where SRS occurs. A simple model calculation is presented and is compared with the data to infer coronal temperatures. The electron density ranges from 5×1019 to 3×1020 cm−3 and the coronal temperature is 0.2 keV for cannonball targets including cavity targets, while the density ranges from 3×1020 to 6×1020 cm−3 and the temperature is 1 keV for the directly driven target. The generation efficiency of SRS light is strongly correlated with superhot electron generation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.866504
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The applications of the stark effect to the stabilization of the CO2 laser and the submillimeter laser (1987)
    Springer
    International journal of infrared and millimeter waves 8 (1987), S. 307-316 
    Details
    ISSN: 1572-9559
    Keywords: optically pumped submm laser ; stabilization ; Stark effect
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Methods based on the Stark effect are described for dither-free frequency stabilization of the optically pumped submm laser. The CO2 pump laser was stabilized using a Stark Lamb dip signal of the submm lasant in an external Stark cell. An estimated frequency stability (Δf/f) better than ±1.4×10−8, for one hour recording, was obtained by this method. The frequency of the submm laser was stabilized using the d.c. and a.c. Stark effects for a metal-dielectric rectangular waveguide laser. An estimated frequency stability of ±6×10−8 was obtained for 119 μm line of CH3OH laser for one hour recording.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01014561
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  • 4
    Electronic Resource
    Electronic Resource
    Electrofusion for the pronuclear transplantation of mouse eggs (1987)
    New York, NY : Wiley-Blackwell
    Gamete Research 17 (1987), S. 15-20 
    Details
    ISSN: 0148-7280
    Keywords: nuclear transplantation ; electrofusion ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: The present study was undertaken to determine the efficiency of HVJ treatment and electrofusion for pronuclear transplantation in the mouse. The output voltage and duration of the pulses were fixed to 200 μsec at 10 V or to 150 μsec at 15 V for electrofusion, because the maximum rates of blastomere fusion of 2-cell embryos and development of fused embryos in vitro were obtained under these conditions. Although the proportion of eggs with fused karyoplast (78%) and the fused eggs developed to morulae or blastocysts (67%) was significantly lower than those obtained after HVJ treatment (94% and 94%), the proportion of pregnant recipients and young obtained after treatment of fused eggs was not significantly different between these two procedures.It is advised that electrofusion can be used as a fusogenic procedure for pronuclear transplantation in the mouse in some cases where HVJ cannot be applied.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrd.1120170103
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  • 5
    Electronic Resource
    Electronic Resource
    Purification of plasmid by high-performance gel filtration (1987)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 10 (1987), S. 45-46 
    Details
    ISSN: 0935-6304
    Keywords: Gel filtration ; Plasmid ; TSKgel G6000PW ; Rapid purification ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240100111
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  • 6
    Electronic Resource
    Electronic Resource
    Study of sample loading capacity on TSKgel SP-5PW (1987)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 10 (1987), S. 525-526 
    Details
    ISSN: 0935-6304
    Keywords: Ion-exchange chromatography of proteins ; Sample loading capacity ; TSKgel SP-5PW ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240100912
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    Paper (German National Licenses)
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