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  • 1990-1994  (46)
  • 1975-1979  (22)
  • 1970-1974  (11)
  • 1
    Electronic Resource
    Electronic Resource
    Room-temperature violet stimulated emission from optically pumped AlGaN/GaInN double heterostructure (1994)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 64 (1994), S. 1377-1379 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: An AlGaN/GaInN heterostructure has been fabricated by metalorganic vapor phase epitaxy. We observed room-temperature (RT) violet stimulated emission from an optically pumped double heterostructure (DH) using GaInN as an active layer. The peak wavelength of the stimulated emission at RT from Al0.17Ga0.83N/Ga0.91In0.09N DH is 402.5 nm, and the threshold of excitation power density is about 0.13 MW/cm2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.111942
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  • 2
    Electronic Resource
    Electronic Resource
    Ultrasensitive Enzyme Immunoassay (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 8 (1978), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3083.1978.tb03883.x
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  • 3
    Electronic Resource
    Electronic Resource
    Colonial variation and fimbriation of Actinobacillus actinomycetemcomitans (1990)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 69 (1990), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Three colonial variants of Actinobacillus actinomycetemcomitans, which formed transparent rough (TR)-, transparent smooth (TS)-, and opaque smooth (OS)-surfaced colonies, were described in relation to their fimbriation. TR- and TS-cells were adhesive to agar and glass surfaces but not the OS-cells. The examination by electron microscopy revealed that TR-cells were highly fimbriated but not TS- and OS-cells. Thus, TS-cells seemed to be an intermediate type. The fimbriae were isolated from TR-cells by suspending in 0.15 M ethanolamine-HCl buffer (pH 10.5) and purified by dissolving non-fimbrial components in 0.5% deoxycholate and 0.7% n-octyl-β-d-glucopyranoside. The relative molecular mass of the fimbrial subunit protein was 54 000.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1990.tb04167.x
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  • 4
    Electronic Resource
    Electronic Resource
    Antigenic properties of Campylobacter rectus (Wolinella recta) major S-layer proteins (1993)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 108 (1993), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract The antigenic properties of the surface layer (S-layer) proteins of various Campylobacter rectus strains including 24 clinical isolates and the type strain ATCC 33238 were examined. S-layer proteins were extracted from whole cells by acid treatment according to the method of McCoy et al. (Infect. Immun. 11, 517–525, 1975). The acid extracts from 23 of the isolates and ATCC 33238 contained two major proteins with molecular masses of 130 kDa and 150 kDa, both of which were identified as subunits of the S-layer after comparison with the protein profiles of acid-treated (S-layer-deficient) cells. An S-layer protein from one isolate (CI-808) demonstrated a different molecular mass (160 kDa). Both the 150-kDa proteins of ATCC 33238 and isolate CI-306 and the 160-kDa protein of CI-808 were purified by ion-exchange chromatography in the presence of urea. In Ouchterlony immunodiffusion experiments with these purified proteins and rabbit antiserum raised to each purified protein, both common and strain-specific antigenic determinants were identified in the C. rectus S-layer proteins.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1993.tb06115.x
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  • 5
    Electronic Resource
    Electronic Resource
    Isolation and characterization of a 53 kDa major cell envelope protein antigen from Treponema denticola ATCC 35405 (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of periodontal research 29 (1994), S. 0 
    Details
    ISSN: 1600-0765
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A major cell envelope protein was purified from the cell envelope fraction of Treponema denticola ATCC 35405 by ion exchange chromatography after extraction with Zwittergent 3–14. Sodium dodecyl sulfate-polyacrylamide gel electro-phoresis showed a relative molecular mass of 53 kDa for this protein with a pI of 6.3–6.8. Amino acid analysis revealed that this protein contained high proportions of hydrophobic amino acids (40.4%), and no cysteine could be detected. The N-terminus of the protein was blocked to Edman degradation. Rabbit antiserum raised against the purified 53 kDa protein reacted with the outer envelope of the T. denticola cell surface as confirmed by immunoelectron microscopy. This rabbit antiserum reacted with 4 of the 11 strains of treponemes tested in this study. Sera from 9 to 18 periodontitis patients reacted strongly with this 53 kDa cell envelope protein of T. denticola as determined by immunoblotting analysis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0765.1994.tb01093.x
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  • 6
    Electronic Resource
    Electronic Resource
    Papovavirus detection by electron microscopy in the brain of an elderly patient without overt progressive multifocal leukoencephalopathy (1994)
    Springer
    Virchows Archiv 424 (1994), S. 569-572 
    Details
    ISSN: 1432-2307
    Keywords: Papovavirus ; Progressive multifocal leukoencephalopathy ; Electron microscopy Elderly patient
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Virions resembling papovavirus were demonstrated in glial cells in the brain of an aged patient without overt progressive multifocal leukoencephalopathy. The patient was not in a severely immunocompromised state. On histological examination, only a few tiny incomplete necrotic foci were found in the subcortical area. These foci were widely dispersed. Rare, swollen oligodendroglial cells and astrocytes in which papovavirus capsid protein (VP-1) was demonstrated immunohistochemically were present around the foci. The two typical types of virus particles i.e. 35 to 40 nm round particles and elongated particles, were observed in the nuclei of the swollen glial cells. The latter were in the minority. Distinct crystals were also found in the nuclei. The centre-to-centre distance of the particles in the crystals, about 40 nm, and the electron-opaque spots of the round-shaped virions and of the elongated particles, were indicative of structural subunits of papovavirus capsids. This case provides further evidence that papovavirus, possibly JC virus, may be reactivated in the brains of aged patients who are not in an immunocompromised state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00191445
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  • 7
    Electronic Resource
    Electronic Resource
    Serial MRI in Fukuyama type congenital muscular dystrophy (1992)
    Springer
    Neuroradiology 34 (1992), S. 396-398 
    Details
    ISSN: 1432-1920
    Keywords: Fukuyama type congenital muscular dystrophy ; Central nervous system ; Delayed myelination ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Serial MRI of the brain of a female infant with Fukuyama type congenital muscular dystrophy (FCMD) is presented. Initial MRI revealed diffuse abnormal signal in the cerebral white matter extending peripherally. On follow-up studies, the abnormal signals disappeared or decreased from the posterior to anterior, and from central to peripheral. These changes in signal intensity correlate well with the process of myelination as demonstrated in histochemical studies. It appears that the abnormal signals in FCMD are caused by delayed myelination. When abnormal signal intensity is seen in the cerebral white matter of a developmentally delayed infant, serial MRI may be used to follow the course of the illness.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00596498
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  • 8
    Electronic Resource
    Electronic Resource
    Kristallstruktur von Fe3Ge2O8 (1979)
    Springer
    Naturwissenschaften 66 (1979), S. 616-617 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00405126
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  • 9
    Electronic Resource
    Electronic Resource
    Structure of the incommensurate composite crystal (PbS)1.12VS2 (1990)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 46 (1990), S. 487-492 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108768190003950
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  • 10
    Electronic Resource
    Electronic Resource
    Die Kristallstruktur von Amyrolin–Seslin (C14H12O3) (1970)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 26 (1970), S. 2022-2029 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567740870005320
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