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  • 1
    Electronic Resource
    Electronic Resource
    Very large magneto-impedance in amorphous soft ferromagnetic wires (invited) : The 6th joint magnetism and magnetic materials (MMM)-intermag conference (1994)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 76 (1994), S. 6204-6208 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Changes in the impedance, ≈600%/Oe, at axial fields less than 1 Oe have been observed in the presence of a 90 kHz, few mA current through a soft, nearly zero magnetostrictive wire. In this 125 μm diameter CoFeSiB amorphous wire we observe a total change of 160% at the maxima of the impedance in dc fields less than 2 Oe. A systematic study of the role of induced anisotropy in the axial, circumferential, and helical directions on the magneto-impedance shows that the largest effect is seen in the wire annealed to obtain circumferential easy axis using a 15 mA ac current passing through it. Both the axial hysteresis loops and the observed I-V characteristics reflect the induced anisotropies. The observed dependence of the inductance change on the type of the anisotropy induced in these wires can be modeled in terms of an interplay between the induced anisotropy, reversing ac field, and the axial dc field.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.358536
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  • 2
    Electronic Resource
    Electronic Resource
    Structural study of nanocrystallized Cu83Co17 ribbons by scanning friction force microscopy (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 68 (1996), S. 340-342 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Nanocrystallized cobalt clusters embedded in a copper matrix exhibiting giant magnetoresistance have been revealed by scanning force and friction microscopy. The microscopic images reported here should be important to understand the magnetic properties of these novel systems. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.116709
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  • 3
    Electronic Resource
    Electronic Resource
    Anisotropy measurements in mesoscopic magnets by magneto-optical torque (2000)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 77 (2000), S. 2039-2041 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The development of a versatile tool to quantify magnetic anisotropies in continuous and patterned magnetic thin films is reported. The technique involves measuring the magnetooptic response to a rotating magnetic field. Similarly to mechanical torque techniques, a single measurement obtains both the anisotropy constants and their symmetry axes distribution. The technique has been applied to analyze arrays of submicrometer stripe-shaped Fe (001) elements with different interelement separations (s). For s larger than 1 μm, the anisotropy associated with the stripes is independent on separation, with a value of the effective uniaxial anisotropy constant very consistent with theoretical estimations for these systems. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1310212
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  • 4
    Electronic Resource
    Electronic Resource
    Epitaxial Fe (001) micro tiling: Size and interaction effects (2000)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 76 (2000), S. 3091-3093 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The magnetic properties of 200 Å epitaxial Fe (001)/MgO (001) tiling are studied as a function of tile size and separation. For edge sizes above ∼3 μm, the individual tiles maintain the single domain behavior while below ∼3 μm the tiles break into domains due to demagnetizing effects. In addition, below an inter tile separation threshold of about 0.9 μm, a single tile magnetization switch provokes a reversal cascade in all the tiles; while, above this threshold, the individual tile's magnetization switches independently. In this last case, we have experimental access to the distribution of nucleation sites. Thus, we have found a clear signature of the magnetic interaction between patterned epitaxial micro tiles with in-plane magnetization. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.126533
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  • 5
    Electronic Resource
    Electronic Resource
    Co-transfer of two plasmids determining bacteriocin production and sucrose utilization in Streptococcus faecium (1984)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 23 (1984), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Streptococcus faecium strain 25 produced a bacteriocin (enterococcin Sf25), metabolized sucrose and contained three plasmids of 2.4, 4.7 and 13.0 MDa. Plasmids Sfp2.4 and Sfp4.7 were cotransferred in a filter mating procedure to sucrose negative and bacteriocin negative S. faecium strain M16. Strain M16 harboured a nonselftransferable plasmid Sfp 19.1 MDa, which was responsible for erythromycin resistance. Transcipient cells of S. faecium M16 contained the 19.1-MDa plasmid and plasmids Sfp2.4 and Sfp4.7, produced the enterococcin Sf25 and gained the ability to degrade sucrose.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1984.tb01051.x
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  • 6
    Electronic Resource
    Electronic Resource
    Transfer of a miniplasmid determining bacteriocin production and bacteriocin immunity in Streptococcus faecium (1983)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 20 (1983), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Streptococcus faecium strain 3 produced a bacteriocin (enterococcin Sf3) and contained a homogeneous species of plasmid DNA (pJK3) with an Mr of 3.5 · 106. Plasmid pJK3 was transferable in a filter mating procedure to S. faecium M16. The non-bacteriocinogenic strain M16 was susceptible to enterococcin Sf3 and harboured a non-selftransferable 19.1 MDa plasmid, which was responsible for erythromycin resistance. Transcipient cells of S. faecium M16 contained the 19.1 MDa and the pJK3 plasmid, produced the enterococcin Sf3 and were resistant against the inhibitory action of this bacteriocin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1983.tb00153.x
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  • 7
    Electronic Resource
    Electronic Resource
    Detection of plasmids in alpha toxin-producing and non-producing strains of Clostridium novyi type A (1981)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 11 (1981), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1981.tb06987.x
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  • 8
    Electronic Resource
    Electronic Resource
    Beitrag zur Kenntnis der juvenilen monartikulären rheumatoiden Arthritis (1972)
    Springer
    Virchows Archiv 357 (1972), S. 359-368 
    Details
    ISSN: 1432-2307
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei zwei Mädchen im Alter von 2 und 11 Jahren wurde eine monartikuläre Arthritis beobachtet, die wegen ihres protrahierten Verlaufes und einiger serologischer Hinweise die Diagnose einer rheumatoiden Arthritis nahelegte. Die Gelenkbeschwerden bis zur Ergußbildung blieben bei beiden Kindern auf ein Gelenk beschränkt. Chronisch-rezidivierende Ergüsse machten eine Synovektomie notwendig. Vergleichende licht-, transmissions- und rasterelektronenmikroskopische Untersuchungen des gesamten Synovektomiematerials bestätigten die klinische Verdachtsdiagnose einer rheumatoiden Arthritis. Morphologisch ist bei monartikulärer Manifestation die rheumatoide Synovitis gekennzeichnet durch: Eine ausgeprägte Hyperplasie der gelenkauskleidenden Zellen, eine Polymorphie dieser Zellen bis zur Ausbildung von Riesenzellen, eine absolute Vermehrung der intercellulären Grundsubstanz, ein Überwiegen der ergastoplasmareichen B-Zellen und herdförmige leukocytenreiche perivasale Zellinfiltrate sowie gleichmäßige Präcipitationen von Fibrin an der Oberfläche der Synovialmembran.
    Notes: Summary In 2 girls, aged 2 and 11 years, a diagnosis of juvenile rheumatoid arthritis was suggested by clinical and serological examinations. Joint symptoms including effusion were limited to one joint in each case. Recurrence of joint effusion necessitated synovectomy in both children. Comparative light, transmission and scanning electron microscopic studies performed on the complete synovectomy specimens confirmed the diagnosis of rheumatoid arthritis. In these cases of monarticular rheumatoid arthritis the hallmarks were: Hyperplasia of the synovial lining, cell polymorphism with occasional giant cells, an absolute increase of intercellular matrix, predominance of B-cells rich in ergastoplasm, focal perivascular leucocytic infiltrates and homogeneous precipitations of fibrin on the synovial surface.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00548784
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  • 9
    Electronic Resource
    Electronic Resource
    Besonderheiten der orthopädischen Schmerztherapie bei Erkrankungen der Wirbelsäule (1996)
    Springer
    Der Schmerz 10 (1996), S. 269-275 
    Details
    ISSN: 1432-2129
    Keywords: Schlüsselwörter Orthopädische Schmerztherapie ; Lokale Injektionen ; Epidural ; Wurzelblockade ; Kortikosteroide ; Lokalanästhetika ; Key words Orthopaedic pain treatment ; Local injections ; Low back pain ; Epidural ; Corticosteroid ; Local anaesthetic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract Besides the treatment of postoperative pain, working together with the anaesthesiologist, orthopaedic doctors are mostly involved in diseases of the locomotor system where pain is a leading feature. Painful orthopaedic diseases are very frequent. They afford a special diagnostic procedure. The pain treatment consists of special orthopaedic therapy and local injections with low doses of local anaesthetics and steroids at the site of pain. This treatment helps to avoid the use of high-dose systemic analgesics and perhaps avoids the need for operations.
    Notes: Zusammenfassung Neben postoperativen Schmerzzuständen, die der Orthopäde in der Klinik im allgemeinen in Zusammenarbeit mit dem Anästhesisten behandelt, haben es Orthopäden vor allem in der Praxis mit Erkrankungen der Stütz- und Bewegungsorgane zu tun, bei denen Schmerzen im Vordergrund stehen. Für den gezielten schmerztherapeutischen Ansatz ist eine spezielle orthopädische Diagnostik erforderlich. Die orthopädische Schmerztherapie besteht in der Ursachenbeseitigung und einer lokalen Schmerzbehandlung in Form von Injektionen mit niedrig dosierten Lokalanästhetika und Glukokortikosteroiden.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004820050049
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  • 10
    Electronic Resource
    Electronic Resource
    Anatomoradiological correlation of the intersection of the carotid siphon with the dura mater (1989)
    Springer
    Neuroradiology 31 (1989), S. 408-412 
    Details
    ISSN: 1432-1920
    Keywords: Cerebral angiography ; Internal carotid artery ; Cavernous sinus ; Cerebral aneurysm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In order to obtain frames of reference to determine the place of intersection of the carotid siphon with the dura mater in conventional arteriograms, a debated topic lacking general agreement in the literature, 34 cadaveric sphenoids were prepared with the injection of radiopaque medium in both internal carotid arteries. After having marked the dura mater with steel wire, the pieces were radiographed in lateral view. The points of intersection of the clinoclinoid line and the sphenoidal line with the internal carotid artery as well as the emergence of the ophthalmic artery and its posterior projection were marked on the radiographs obtained. The distances between the various points were measured and submitted to statistical treatment. The results showed multiple regressions with a strong correlation coefficient in two equations. A table was built in which, knowing the distances between the points of the clinoclinoid and the sphenoidal plane lines and those of the ophthalmic artery and its projection, the position of the dura mater which covers the cavernous sinus may be estimated in arteriograms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00343865
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