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  • 1995-1999  (10)
  • 1965-1969  (5)
  • 1950-1954  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    A confocal fiber-coupled single-lens theta microscope (1998)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 69 (1998), S. 2956-2963 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A confocal theta microscope using a single water-immersion objective lens is described. The system is based on the Zeiss Axioplan universal microscope, such that the illumination light is coupled into, and the detected light out of, the microscope optics via optical fibers attached to the reflector slider of the microscope. Conventional wide-field, laser-scanning confocal, confocal theta, and 4Pi-confocal theta microscopy modes are available with the system. As the design can be easily adapted to other microscopes, objective lenses, and wavelengths, it allows confocal theta techniques to be implemented in many standard systems. The design constraints and specifications for the microscope are given, as well as a demonstration of its performance. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1149040
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    High-resolution axial and lateral position sensing using two-photon excitation of fluorophores by a continuous-wave Nd:YAG laser (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 446-448 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The change in position of fluorescent beads captured inside the focal volume of optical tweezers is monitored using fluorescence emission induced by two-photon absorption of a continuous-wave Nd:YAG laser (λ=1064 nm). The displacement of a bead due to interactions with its environment leads to a fluorescence intensity variation that is used to design a novel spatial sensor. We determine changes in the axial position of a CY3-labeled latex bead with a diameter of 1.03 μm to a precision better than 10 nm. At an intensity of 600 mW/ μm2 the two-photon bleaching rate is lower than 50% per 2000 s. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.118134
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Isolation and Characterization of Ether Soluble Sugar-Amino Acid Interaction Products (1967)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 32 (1967), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: SUMMARY— A procedure is described for isolating compounds formed during the heating of solutions containing sugars and amino acids. It consists of solvent partition into ethyl ether, concentration of the solvent, high vacuum distillation in an isolated system and a final concentration. Model systems were employed, consisting of one sugar and one source of amino acids from the group: dextrose, lactose, glycine, lysine, valine, and casein. The flavor concentrate had a strong caramel odor.A total of 38 non-acidic and 5 acidic gas chromatographic components were observed, but none of the systems gave rise to all of these. The differences in the gas chromatographic patterns of extracts containing both sugars and amino acids and those containing sugars alone, were more quantitative than qualitative.While many of the components remain unidentified, those positively identified were largely sugar dehydration and degradation products. One nitrogen-containing component was identified as 2-acetylpyrrole.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1967.tb00818.x
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  • 4
    Electronic Resource
    Electronic Resource
    SEROLOGIC STUDIES OF MYASTHENIA GRAVIS (1965)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 124 (1965), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1965.tb18997.x
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  • 5
    Electronic Resource
    Electronic Resource
    CHRONIC ULCERATIVE STOMATITIS WITH STRATIFIED EPITHELIUM-SPECIEIC ANTINUCLEAR ANTIBODIES (1996)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of dermatology 35 (1996), S. 0 
    Details
    ISSN: 1365-4632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background. In 1990 a new disease-associated antinuclear antibody was first recognized as a specific immunologic marker for a chronic form of ulcerative stomatitis (cus). Methods. Another case is reported herein and the subject of chronic ulcerative stomatitis with stratified epithelium-specific antinuclear antibodies (SES-ANA) is reviewed. Intraoral biopsies from this patient were submitted for microscopic examination and direct immunofluorescence. Indirect immunofluorescence studies were also performed. Serial SES-ANA titers were obtained with the patient on maintenance treatment with hydroxychloroquine. A skin biopsy of a recent lichenoid eruption was obtained and skin explants grown in the serum of this patient were studied in tissue culture with reference to SES-ANA binding and complement fixation. Results. Biopsy and serum studies confirmed a diagnosis of cus with SES-ANA in the patient reported. Skin biopsy showed lichen planus. The patient was treated with hydroxychloroquine with a favorable response. Serial SES-ANA titers did not parallel the disease activity. Among the substantive observations made from skin explants cultured in the serum of this patient was widespread fixation of C3 to the nuclei of basal cells. Conclusions. The case described herein extends the findings in cus to include lichenoid skin lesions. Records show that at least four of 11 cases of cus had skin lesions, whereas all had oral lesions. Stratified epithelium-specific antinuclear antibodies serve as the key marker of cus. Skin explants grown in the serum of this cus patient bind SES-ANA in tissue culture. Sections of explants fix complement. Titers of SES-ANA have been reported to parallel disease activity in one case, but not in the present case. Thus, there appears to be case-to-case variation. The treatment of choice for cus is hydroxychloroquine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-4362.1996.tb03000.x
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  • 6
    Electronic Resource
    Electronic Resource
    PSEUDO-PYOSTOMATITIS VEGETANS (1995)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of dermatology 34 (1995), S. 0 
    Details
    ISSN: 1365-4632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-4362.1995.tb01105.x
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  • 7
    Electronic Resource
    Electronic Resource
    Adsorption geometries of CO on Cu (211) (1999)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 110 (1999), S. 10522-10525 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The adsorption of CO on Cu (211), serving as model system for the adsorption of CO in stepped surfaces, has been investigated using electron energy loss spectroscopy (EELS). At a surface temperature of 110 K, CO adsorbs nondissociatively and is drawn exclusively to descending step sites in this system. On-top and bridge sites are sequentially populated with the CO axis being perpendicular to the surface. In addition, at low coverage, a molecular state is observed, for which the CO axis is strongly inclined. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.478983
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  • 8
    Electronic Resource
    Electronic Resource
    Relevance of complement fixing antinuclear antibodies (1999)
    Oxford, UK : Blackwell Science Ltd
    International journal of dermatology 38 (1999), S. 0 
    Details
    ISSN: 1365-4632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background Connective tissue diseases (CTDs) are a heterogeneous group of disorders defined by the association of a variety of clinical manifestations with immunologic and other laboratory findings. Overlap of syndromes and aberrant findings appear rather frequently. Methods Sera of eight antinuclear antibody (ANA) negative, cases of subacute cutaneous lupus erythematosus (SCLE) with antibodies to Ro (SS-A) and a ninth case with clinical and laboratory signs of Sjögren’s syndrome and systemic lupus erythematosus (SLE) were tested for complement (C′) fixing antinuclear antibodies (C-ANAs). The ninth case was examined in depth by direct immunofluorescence (DIF) and a two-step “C + DIF” test of biopsies for C′ fixation to in vivo bound ANAs, as well as serum tests for C-ANA, ANA, and SCLE markers. Results Sera of five of the eight ANA negative, Ro(SS-A) positive SCLE cases had C-ANAs. The ninth case, a 50-year-old woman with clinical and laboratory signs of Sjögren’s syndrome and SLE, gave a strong positive C + DIF reaction in the skin biopsy for in vivo bound ANAs that fix C′, but negative ANAs and C-ANAs in routine serum tests; they revealed antimitochondrial antibodies. Serum tests on normal skin, however, revealed weak ANA and strong C-ANA reactions with in vitro fixed C′. Conclusions ANA negative cases of SCLE or Sjögren’s syndrome may have C-ANAs. A case with Sjögren’s syndrome and signs of SLE had both in vivo and in vitro C′ fixing ANAs. C-ANA tests can aid in the identification of such cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-4362.1999.00580.x
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  • 9
    Electronic Resource
    Electronic Resource
    Tuberculosis of the skin: historical perspectives on tuberculin and Bacille Calmette Guérin (1997)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of dermatology 36 (1997), S. 0 
    Details
    ISSN: 1365-4632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-4362.1997.00027.x
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  • 10
    Electronic Resource
    Electronic Resource
    Das Sockelstockwerk in den Randzonen der Urkontinente (1965)
    Springer
    International journal of earth sciences 54 (1965), S. 796-812 
    Details
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Abstract The rocks of the cratonic foreland extend underneath many orogens, where they are subjected to “regeneration” during the geosynclinal phase and to superimposed structures during the folding of the orogen. Such structural and metamorphic alterations are now exposed in the “Sockelstockwerk” of certain orogenic belts in Africa, America, Australia and Europe. In this deep level, originally situated between the bottom of the geosyncline and the migmatite stockwerk, the following zones have been observed along the total length of the orogenic belt: border zone along the margin of the cratonic foreland: broad belt with superimposed structures of two (ore more) different orogenic deformations; main vergency fan, marking the central axis of the orogen. This fan often is a lineament with deep roots and a structure of continental importance.
    Abstract: Résumé Des modifications dans la structure des domaines cratoniques au cours de la régénération dans le soubassement des géosynclinaux et au cours de l'orogenèse sont observables dans le niveau bathymétrique du socle des orogènes. Cet étage bathymétrique reconnu en Afrique Orientale, est maintenant reconnu aussi au Canada, en Amérique Latine, en Australie et en Europe. Les zones qui s'étendent sur la longueur de l'orogène à l'étage du socle sont: une zone marginale, une zone avec prédominance variable d'une empreinte structurale et d'une structure en éventail. Sa construction asymétrique indique le fonctionnement d'une structure de fond linéaire qui, encore après la consolidation, peut s'exprimer sous le forme d'une géofracture d'importance régionale.
    Notes: Zusammenfassung Strukturelle Veränderungen kratonischer Bereiche bei der Regeneration im Untergrund der Geosynklinalen und bei der Orogenese lassen sich mit Befunden im Sockelstockwerk der Orogene belegen. Dieses in Ostafrika erkannte Tiefenstockwerk wird nunmehr auch in Kanada, Südamerika, Australien und Europa nachgewiesen. Die gesamte Länge des Orogens im Sockelstockwerk durchziehende Zonen sind: Randzone, Zone mit wechselnder Dominanz der Gefügeprägung und Vergenzfächer. Dessen unsymmetrischer Bau weist auf die Funktion einer linearen Tiefenstruktur, die auch nach der Konsolidierung als Geofraktur regionalen Ausmaßes wirken kann.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01820756
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