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Digitale Medien

Activity of an insoluble antimicrobial quaternary amine complex in plastics (1991)

Price, D. L. ; Sawant, A. D. ; Ahearn, D. G.

Springer

Journal of industrial microbiology and biotechnology 8 (1991), S. 83-89

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ISSN: 1476-5535

Schlagwort(e): Quaternary amine ; Insoluble antimicrobial in plastics ; Bacterial adherence ; Inhibition ofAspergillus niger

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Summary Growth and survival ofStaphylococcus aureus, Pseudomonas aeruginosa., Klebsiella pneumoniae andAspergillus niger were reduced by a low-solubility polysubstituted.-quaternary amine complex (InterseptR) processed into the matrices of ethylene vinyl acetate, polystyrene and polyethylene., Recoveries of challenge microorganisms from agar film overlays and determination of the effects of the complex on radiolabelled-leucine transport by adhered cells and bacterial biofilms were more suitable for assessing inhibitory efficacies than standard agar diffusion or serial dilution procedures.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01578758

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Digitale Medien

Fungal colonization of synthetic substrates for use in space craft (1995)

Ahearn, D. G. ; Simmons, R. B. ; Price, D. L. ; [weitere]

Springer

Journal of industrial microbiology and biotechnology 14 (1995), S. 26-30

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ISSN: 1476-5535

Schlagwort(e): Fungal colonization ; Space craft materials ; Acremonium obclavatum

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Summary Materials being used or considered for use in space flight were examined for their susceptibility to fungal colonization. The materials included soft goods (clothing) and insulation and fabrication products such as Velcro® attachments and elastic cord binders. Materials were exposed for at least 28 days in a highhumidity chamber colonized with over 50 species of fungi, including those species recommended for determining recalcitrance of materials to fungal biodegradation. At least nine of 25 products demonstrated extensive microscopic colonization by fungi, mostly byAcremonium obclavatum. Challenge procedures that rely on observations with the unaided eye, or 40×magnification of growth by a restricted number of fungal species with a cellulosic substrate as a positive control, are insufficient for determining the resistance of synthetic substrates to fungal colonization.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01570062

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