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1998 (1)
1985 (1)
1Author    R. J. Youngman, G.R W Agner, F. W. Kühne, E. F. ElstnerRequires cookie*
 Title    Biochemical Oxygen Activation as the Basis for the Physiological Action of Tetrachlorodecaoxide (TCDO)  
 Abstract    Oxidation of methionine, 4-(methylthio)-2-oxobutyric acid (KMB), or 1-aminocyclopropane carbonic acid (ACC) are indicator reactions for activated oxygen species such as singlet oxygen ('02), OH'-radical like oxidants, superoxide anion (02'"), hydrogen peroxide (H 20 2) or activated hemo-iron complexes like peroxidase-or catalase-"compound I". Methionine is oxidized by OH' as well as by '02 forming ethylene, but not by tetrachloro-decaoxygen complex (TCDO) in the absence or presence of catalytic hemoproteins such as peroxidase, hemoglobin or myoglobin. Both KMB and ACC are oxidized by TCDO under the catalysis of the above hemo-proteins where neither catalase nor superoxide dismutase are inhibitors. TCDO hemo-protein complex is an oxidant with similar properties as peroxidase-compound I and can clearly be differentiated from 02'~, H20 2, OH' and '02. 
  Reference    Z. Naturforsch. 40c, 409—414 (1985); received March 18 1985 
  Published    1985 
  Keywords    Tetrachlorodecaoxide, OxoferinR, Activated Oxygen, Heme Catalysis, Wound Healing 
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 TEI-XML for    default:Reihe_C/40/ZNC-1985-40c-0409.pdf 
 Identifier    ZNC-1985-40c-0409 
 Volume    40 
2Author    WalterA. Bretz3, D. J. Chiego, M. C. Marcucci0, I. Cunhad, A. Custódiod, L. G. Schneider3Requires cookie*
 Title    Preliminary Report on the Effects of Propolis on Wound Healing in the Dental Pulp  
 Abstract    The purpose of this investigation was to determ ine the antimicrobial and healing potential of propolis on direct dental pulp exposures. This study used 25 adult male rats. Pulp expo­ sures were perform ed and animals were allocated to propolis and calcium hydroxide (C a(O H) 2 groups. Animals were killed on days 5, 7, 10, and 14. The teeth were routinely processed for histological evaluation. N on-param etric tests were employed to analyze the data. No significant differences were found between study groups on the wound healing of the dental pulp. Both substances were com parable in exhibiting normal reorganization of the pulp and no increased vascularity, and were equally efficacious in maintaining a low inflam­ matory and microbial cell population as well as in stimulating the formation of reparative dentin. 
  Reference    Z. Naturforsch. 53c, 1045—1048 (1998); received May 29/August 3 1998 
  Published    1998 
  Keywords    Propolis, Dental Pulp, Wound Healing, Antimicrobial 
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 TEI-XML for    default:Reihe_C/53/ZNC-1998-53c-1045.pdf 
 Identifier    ZNC-1998-53c-1045 
 Volume    53