Assessment of Chemical Disinfectants Efficacy against Escherichia coli Biofilm Developed on Glass and Wood at Refrigeration and Room Temperatures

Muazu, Anas and A. Rahman, Nor Iza and Abdullahi, Umar Faruk and Aliyu, Sani and Ogidi, Jonathan Ajisafe and Umar, Ahmed Faruk (2015) Assessment of Chemical Disinfectants Efficacy against Escherichia coli Biofilm Developed on Glass and Wood at Refrigeration and Room Temperatures. Journal of Applied Pharmaceutical Science, 5 (12). pp. 74-79. ISSN 2231-3354

[img] Text
anas article 2.pdf
Restricted to Registered users only

Download (358Kb) | Request a copy
Official URL: http://www.japsonline.com

Abstract

Objectives: The aim of this work was to study the formation of biofilm on glass and wood coupons at refrigeration and room temperatures, different incubation periods and to assess the efficacy of hydrogen peroxide (HP), Para Acetic Acid (PAA), Sodium hypochlorite (SH) and mixture of PAA + SH against the biofilm. Method: 200 μL of 108suspension E. coli ATCC 29922 was inoculated on the coupons inside petri dishes containing 20 ml of tryptic soy broth, incubated at 10 and 270C for 24, 48, 72 and 168 hours. Biofilm developed at each hour above was quantified by bead-vortex followed by agar plating. The action of disinfectants was tested on 168 hours biofilm. The surfaces were exposed to the disinfectants and incubated at 27 °C for 10 minutes, followed by deactivation for 5 minutes. Cells that resisted disinfectants effect were vortexed and enumerated by agar plating. Results: The results showed that E. coli can develop high biofilm on wood apart from glass. After disinfection treatment, HP had the highest efficacy at 27°C followed by PAA then SH, whilst PAA + SH had the least. Conclusion: It can be concluded that HP and PAA can be good disinfectants agents against E. coli biofilm.

Item Type: Article
Subjects: R Medicine > RB Pathology
Faculty / Institute: Faculty of Medicine
Depositing User: Dr. Nor Iza A Rahman
Date Deposited: 20 Mar 2016 00:52
Last Modified: 20 Mar 2016 00:52
URI: http://erep.unisza.edu.my/id/eprint/4546

Actions (login required)

View Item View Item