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Träfflista för sökning "WFRF:(Tao Z) srt2:(2007-2009)"

Search: WFRF:(Tao Z) > (2007-2009)

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  • Ageron, M., et al. (author)
  • Studies of a full-scale mechanical prototype line for the ANTARES neutrino telescope and tests of a prototype instrument for deep-sea acoustic measurements
  • 2007
  • In: Nuclear Instruments and Methods in Physics Research Section A. - : Elsevier. - 0168-9002 .- 1872-9576. ; 581:3, s. 695-708
  • Journal article (peer-reviewed)abstract
    • full-scale mechanical prototype line was deployed to a depth of 2500 m to test the leak tightness of the electronics containers and the pressure-resistant properties of an electromechanical cable under evaluation for use in the ANTARES deep-sea neutrino telescope. During a month-long immersion study, line parameter data were taken using miniature autonomous data loggers and shore-based optical time domain reflectometry. Details of the mechanical prototype line, the electromechanical cable and data acquisition are presented. Data taken during the immersion study revealed deficiencies in the pressure resistance of the electromechanical cable terminations at the entry points to the electronics containers. The improvements to the termination, which have been integrated into subsequent detection lines, are discussed. The line also allowed deep-sea acoustic measurements with a prototype hydrophone system. The technical setup of this system is described, and the first results of the data analysis are presented. (c) 2007 Elsevier B.V. All rights reserved.
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3.
  • Wei, A., et al. (author)
  • Differentiation of rodent bone marrow mesenchymal stem cells into intervertebral disc-like cells following coculture with rat disc tissue
  • 2009
  • In: Tissue Engineering Part A. - 1937-335X. ; 15:9, s. 2581-95
  • Journal article (peer-reviewed)abstract
    • This study aimed to evaluate whether rat mesenchymal stem cells (rMSCs) could be differentiated in vitro into disc-like cells by coculturing with intervertebral disc tissue. rMSCs were cultured with rodent intervertebral disc for up to 30 days in transwell plates. The differentiation of rMSCs was evaluated by immunostaining, Western blot, real-time RT-PCR, Northern blot, and electron microscopy. The potentials of multilineage differentiation and proteoglycan and collagen synthesis were also investigated. rMSCs underwent morphological changes to form three-dimensional micromasses and expressed collagen-2, aggrecan, and sox-9 at RNA and protein levels after 14 days of coculture. These changes were not detected in the samples of rMSCs cultured alone. Cocultured rMSCs also showed other characteristic features of disc-like cells, including the extracellular matrix formation, and proteoglycan and collagen synthesis. In addition, cellular contact between cocultured rMSCs and disc tissue was observed by electron microscopy. Committed rMSCs still retained their differentiation ability into mesoderm lineages of adipocytes or osteocytes when the local environment was altered. This study supports that MSCs are a promising source for cell therapy and tissue engineering in disc regeneration, and highlights that rMSCs can be induced into nucleus pulposus-like cells in vitro under the direct influence of intact disc tissue.
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  • Result 1-3 of 3

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