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  • Complement  (2)
  • Rheumatoid arthritis  (2)
  • (H. halobium)  (1)
  • 87.60 Gp  (1)
  • 1
    Digitale Medien
    Digitale Medien
    The quenching effect of blue light on halorhodopsin
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Bioenergetics 682 (1982), S. 67-74 
    Details
    ISSN: 0005-2728
    Schlagwort(e): (H. halobium) ; Halorhodopsin ; Light quenching ; Membrane potential
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie , Medizin , Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0005-2728(82)90120-7
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Relation of clinical activity of rheumatoid arthritis to immune complexes, complement components and anti-immunoglobulins (1984)
    Springer
    Rheumatology international 4 (1984), S. 159-163 
    Details
    ISSN: 1437-160X
    Schlagwort(e): Rheumatoid arthritis ; Immune complexes ; Anti-immunoglobulin ; Complement
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Circulating immune complexes by fluid phase Clq binding assay, complement components and anti-immunoglobulin levels were studied in sera of 35 patients with rheumatoid arthritis (RA). In 23 of the 35 sera (65.7%), circulating immune complexes were positive, and the mean±SD of Clq binding activity (ClqBA), 44.5±19.4%, was significantly high compared to that of healthy persons, 17.4±8.2%. Antigenic determination of complement components revealed that Clq, C3, C5, C9, factor B and Cl esterase inhibitor (CIINH) were significantly high in sera of RA, but C4 and properdin were not. The disease activity correlated with ClqBA, IgG- and IgM-anti-immunoglobulins, C9 and serum IgG. On the other hand, ClqBA correlated with both IgG- and IgM-anti-immunoglobulin levels but not with complement components.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00541207
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  • 3
    Digitale Medien
    Digitale Medien
    Two-dimensional coherent detection imaging in multiple scattering media based on the directional resolution capability of the optical heterodyne method (1991)
    Springer
    Applied physics 52 (1991), S. 391-394 
    Details
    ISSN: 1432-0649
    Schlagwort(e): 42.60.Kg ; 87.60 Gp
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract This paper describes a new application of optical heterodyne detection using a laser beam for two-dimensional imaging of the internal structure of strongly scattering media in which the structure is completely obstructed from normal visual observation. The directional resolution capability for image formation due to the excellent antenna properties of the heterodyne technique is verified experimentally using a ground glass to cause strong scattering of the signal beam. Successful image detection of a test target placed in a highly scattering absorptive medium, with spatial resolution better than 400 μm in the case of our experiments, demonstrates that this Coherent Detection Imaging (CDI) method can overcome the diffuse nature of images in media such as those of biomedical interest and others to achieve scanning and tomographic imaging.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00325156
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  • 4
    Digitale Medien
    Digitale Medien
    Quantification of bone volume on radiographs using NIH Image (2000)
    Springer
    Modern rheumatology 10 (2000), S. 220-224 
    Details
    ISSN: 1439-7609
    Schlagwort(e): Key words Radiograph ; Rheumatoid arthritis ; Bone volume ; NIH Image ; Computer
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We attempted to quantify periarticular bone atrophy from radiographs of the proximal phalanx in patients with rheumatoid arthritis (RA) by means of the National Institutes of Health (NIH) Image computer program. The degree of brightness or darkness in four squares, each 20 × 20 pixels, in the right third proximal phalanx was measured using NIH Image, and the mean value of the 400 pixels was defined as the brightness/darkness index (BDI). The BDI was used to express bone volume. The BDI value was set at zero for an area of complete darkness and at 255 for an area of maximum brightness. The mean coefficient of variation in our hospital was 2.28%. The BDI was measured in 54 RA patients and 146 normal volunteers. The mean BDI at the midpoint of the diaphysis was 100 in RA patients and 176 in normal volunteers, while at the medial side of the proximal end it was 75 and 145, respectively. The difference between normal volunteers and RA patients was greatest in younger people. In some young RA patients, the BDI was significantly low at the medial side of the proximal end, clearly demonstrating periarticular bone atrophy. Periarticular bone atrophy can be quantified using the NIH Image computer program.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s101650070006
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  • 5
    Digitale Medien
    Digitale Medien
    Effect of a protein-bound polysaccharide PS-K on the complement system (1983)
    Springer
    Research in experimental medicine 182 (1983), S. 85-94 
    Details
    ISSN: 1433-8580
    Schlagwort(e): Protein-bound polysaccharide ; PS-K ; Complement
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary A protein-bound polysaccharide from mycelia ofCoriolus versicolor PS-K, clinically used as an immunomodulator, has been shown to restore the decreased cellular immune response and to exhibit host-mediated antitumor activity. In this experiment, PS-K was found to increase serum complement level in guinea pig and in human without malignancy, when hemolytic assay of complement was performed using sensitized sheep erythrocytes for the classical pathway activity and unsensitized rabbit erythrocytes for the alternative pathway activity. Assay of complement components revealed increase in C3 level in guinea pig, but no significant changes in Clq, C4, C3, properdin, C3 activator, and C $$\bar 1$$ -inhibitor in human, while C5 and C9 were depressed. Conversion ofβ1C toβ1A was observed in the 7th day's plasma of these patients by crossed immunoelectrophoresis. Biosynthesis of guinea pig C3 was accelerated by administration of PS-K, but that of C4 was not affected. These evidences suggested that PS-K might potentiate immune response of the host by elevating serum complement level, in addition to the activation of the complement system.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01851114
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