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  • 1990-1994  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Hexanediol diacrylate sensitization after accidental occupational exposure (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 26 (1992), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0536.1992.tb00870.x
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Inactivation ofSalmonella enteritidis on shell eggs by novelN-halamine biocidal compounds (1992)
    Springer
    Journal of industrial microbiology and biotechnology 11 (1992), S. 37-42 
    Details
    ISSN: 1476-5535
    Keywords: Salmonella enteritidis ; Shell eggs ; N-Halamines ; Chlorine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Several newN-halamine compounds have been evaluated as potential replacements for free chlorine as disinfectants for the egg-processing industry. The compounds were tested againstSalmonella enteritidis on the surfaces of egg shells. Test procedure included spraying inoculated egg shells with solutions of several of theN-halamine compounds and free chlorine for comparison, suspending the most stableN-halamine compound in a thin coating of mineral oil on the egg shell and subsequent inoculation, and measuring the rates of diffusion of the compounds and free chlorine through the egg shells. Compounds DBC (1-bromo-3-chloro-2,2,5,5-tetramethylimidazolidin-4-one) and DC (1,3-dichloro-2,2,5,5,-tetramethylimidazolidin-4-one) were significantly more efficacious than free chlorine in inactivatingSalmonella in the spray experiments, while compound MC (1-chloro-2,2,5,5-tetramethylmidazolidin-4-one), in a mineral oil suspension, provided disinfection of the egg shells within 72 h of contact. None of the disinfectant compounds penetrated egg shells at a rate greater than 1 mg/l over a period of 6 h. Compound MC is recommended as a possible replacement for unstable, corrosive-free chlorine as a bactericide for the egg-processing industry.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01583730
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    The protective action of two vapour phase inhibitors on the corrosion of mild steel (1990)
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 41 (1990), S. 343-347 
    Details
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Schutzwirkung von zwei Dampfphaseninhibitoren bei der Korrosion von StahlUntersucht wurde die Wirkung von zwei Dampfphaseninhibito-ren (Dicyclohexylammoniumnitrit (DICHAN) und Dicyclohexyl-amin (DICHAMIN)) bei der Korrosion von Stahl an der Atmosphäre (100% RF) unter isothermen Bedingungen (25 °C). Um an dünnen adsorbierten Feuchtigkeitsschichten elektrochemische Daten zu erhalten, wurde ein Dampfphaseninhibitor-Monitor entwickelt. Die Meßdaten wurden mit Hilfe von drei elektrochemischen Methoden und mittels Bildanalyse überprüft. Die Versuchsergebnisse zeigen, daß die Korrosion von Stahl durch die beiden Verbindungen gehemmt wird. Der verwendete Monitor in Verbindung mit den elektrochemischen Techniken ermöglicht die Deutung des Inhibierungsmechanismus.
    Notes: The action of two vapour phase inhibitors (VPI), dicyclohexyl-ammonium nitrite (DICHAN) and dicyclohexylamine (DICHAMIN), on the atmospheric corrosion of mild steel at a relative humidity of 100% and under isothermal conditions (25 °C) has been studied. In order to obtain electrochemical data with thin adsorbed moisture layers a vapour phase inhibitor monitor (VPIM) was developed. A check of the data was done by three electrochemical techniques and by the image analysis technique. The tests carried out have revealed that the corrosion rate of mild steel decreases in the presence of DICHAN and DICHAMIN. With the VPIM and the electrochemical techniques used it is possible to understand the inhibition mechanism of these two vapour inhibitors on the atmospheric corrosion of steel.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/maco.19900410605
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Biomaterial-induced alterations of neutrophil superoxide production (1992)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Biomedical Materials Research 26 (1992), S. 1039-1051 
    Details
    ISSN: 0021-9304
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine , Technology
    Notes: Because periprosthetic infection remains a vexing problem for patients receiving implanted devices, we evaluated the effect of several materials on neutrophil free radical production. Human peripheral blood neutrophils were incubated with several sterile, lipopolysaccharide (LPS)- free biomaterials used in surgically implantable prosthetic devices: polyurethane, woven dacron, and Velcro. Free radical formation as the superoxide (O2-) anion was evaluated by cytochrome c reduction in neutrophils that were exposed to the materials and then removed and in neutrophils allowed to remain in association with the materials. Neutrophils exposed to polyurethane or woven dacron for 30 or 60 min and then removed consistently exhibited an enhanced release of O2- after simulation via receptor engagement with formyl methionyl-leucyl- phenylalanine. Enhanced reactivity to stimulation via protein kinase C with phorbol myristate acetate, however, was not consistently observed. The cells evalu- ated for O2- release during continuous association with the biomaterials showed enhanced metabolic activity during short periods of association (especially with polyurethane and woven dacron). Although O2- release by neutrophils in association with these materials decreased with longer periods of incubation, it was not obliterated. These studies, therefore, show that several commonly used biomaterials activate neutrophils soon after exposure and that this activated state diminishes with prolonged exposure but nevertheless remains measurable. The diminishing level of activity with prolonged exposure, however, suggests that ultimately a depletion of reactivity may occur and may result in increased susceptibility to periprosthetic infection.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jbm.820260806
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    Paper (German National Licenses)
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