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  • Articles: DFG German National Licenses  (3)
  • 1990-1994  (3)
  • 1994  (3)
Source
  • Articles: DFG German National Licenses  (3)
Material
Years
  • 1990-1994  (3)
Year
  • 1
    Electronic Resource
    Electronic Resource
    In vitro assessment of lymphocytes response following re-exposure to silicone (1994)
    Springer
    Journal of materials science 5 (1994), S. 640-643 
    Details
    ISSN: 1573-4838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Technology
    Notes: Currently, the use of silicone-filled devices, mainly in plastic surgery for breast reconstruction or augmentation, is being debated by the scientific community in connection with the risk to the patient. In this study the response of whole blood or isolated peripheral blood lymphocytes from patients with silicone-gel-filled breast implants was assessed in vitro, in order to verify the hypothesis of silicone material acting in vivo as a sensitizing agent. Both quantitative and qualitative changes of lymphocyte subpopulations of patients carrying silicone devices were assessed and compared with healthy subjects. Upon 24–72 h in vitro re-exposure of patients' lymphocytes to silicone extract, lymphocyte surface antigen expression was monitored by flow cytometry, and the functional response of lymphocytes was measured by radioactive tracer uptake and biochemical changes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00120346
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    A latex membrane, as an alternative device in the GTR technique: preliminary report on its biocompatibility (1994)
    Springer
    Journal of materials science 5 (1994), S. 647-650 
    Details
    ISSN: 1573-4838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Technology
    Notes: Polymeric materials are of widespread use for many clinical applications, including dentistry. Periodontal guided tissue regeneration (GTR) is a technique developed to treat periodontal disease: it implies that new connective tissue attachment and bone regeneration are achieved, whereas epithelial migration is prevented by the placement of a barrier membrane. This study has focused on the toxicity in vitro of different polymeric membranes, either commercial or experimental, with a latex rubber membrane being of special interest for use as an implant material in guided tissue regeneration in periodontology. A cell culture system tested by quantitative assay methods offered a reliable tool which provided meaningful results on the first level biocompatibility of such membranes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00120348
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    X-ray diffraction analysis of bone-cement interface in failed hip arthroplasties (1994)
    Springer
    Journal of materials science 5 (1994), S. 644-646 
    Details
    ISSN: 1573-4838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Technology
    Notes: This study was focused on the bone tissue response to cement in failed hip joint prostheses. The investigation was carried out by means of micro-beam X-ray diffractometric (XRD) analysis of the bone-cement interface. Nine cemented prostheses retrieved because of loosening were studied. This research has demonstrated that the newly formed bone close to the cement in loosened prostheses showed a normal apatitic structure, though bone tissue was often found poorly mineralized. In contrast, in stable prostheses well-mineralized bone was observed. In both cases, however, the bone apatite lattice at the interface was shown not to be different from pre-existing bone. The authors conclude that the mineralization process close to the cement can be thoroughly evaluated by micro-beam XRD techniques.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00120347
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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