Modelling the survival of an Escherichia Coli in Soil : effect of pH and temperature

Survival of E.coli on soils determines its the availability for transport during rainfall events. In this study, the survival of E.coli in soil was examined under different pH in saturated condition. Results indicated that first order decay model fit well. Decay rate of E.coli increased when pH o...

Full description

Bibliographic Details
Main Authors: Ling, Teck Yee, Kasing, Apun, Jong, Hse Jun
Format: Proceeding
Language:English
Published: 3rd Federation of Asia-Pacific Microbiology Societies Conference, Kuala Lumpur 15 - 18 October 2003 2003
Subjects:
Online Access:http://ir.unimas.my/id/eprint/992/
http://ir.unimas.my/id/eprint/992/1/Modelling.pdf
_version_ 1848834684650258432
author Ling, Teck Yee
Kasing, Apun
Jong, Hse Jun
author_facet Ling, Teck Yee
Kasing, Apun
Jong, Hse Jun
author_sort Ling, Teck Yee
building UNIMAS Institutional Repository
collection Online Access
description Survival of E.coli on soils determines its the availability for transport during rainfall events. In this study, the survival of E.coli in soil was examined under different pH in saturated condition. Results indicated that first order decay model fit well. Decay rate of E.coli increased when pH of the soil decreased from 7.4 to 3.2 and also when temperature increased from 20 Degree Celsius to 30 Degree Celsius. Survival was prolonged in neutral and cool condition. There is no significant difference between decay rate at pH of 6.4 and 7.4. At pH of 6.4 and 7.4 at 30 Degree Celsius and at pH 7.4 at 20 Degree Celsius, there was evidence of regrowth. Quantitative relationships between decay rate and pH at 20 Degree Celsius and 30 Degree Celsius were developed for use in environmental modeling purposes.
first_indexed 2025-11-15T05:55:53Z
format Proceeding
id unimas-992
institution Universiti Malaysia Sarawak
institution_category Local University
language English
last_indexed 2025-11-15T05:55:53Z
publishDate 2003
publisher 3rd Federation of Asia-Pacific Microbiology Societies Conference, Kuala Lumpur 15 - 18 October 2003
recordtype eprints
repository_type Digital Repository
spelling unimas-9922022-01-12T07:18:10Z http://ir.unimas.my/id/eprint/992/ Modelling the survival of an Escherichia Coli in Soil : effect of pH and temperature Ling, Teck Yee Kasing, Apun Jong, Hse Jun AC Collections. Series. Collected works Survival of E.coli on soils determines its the availability for transport during rainfall events. In this study, the survival of E.coli in soil was examined under different pH in saturated condition. Results indicated that first order decay model fit well. Decay rate of E.coli increased when pH of the soil decreased from 7.4 to 3.2 and also when temperature increased from 20 Degree Celsius to 30 Degree Celsius. Survival was prolonged in neutral and cool condition. There is no significant difference between decay rate at pH of 6.4 and 7.4. At pH of 6.4 and 7.4 at 30 Degree Celsius and at pH 7.4 at 20 Degree Celsius, there was evidence of regrowth. Quantitative relationships between decay rate and pH at 20 Degree Celsius and 30 Degree Celsius were developed for use in environmental modeling purposes. 3rd Federation of Asia-Pacific Microbiology Societies Conference, Kuala Lumpur 15 - 18 October 2003 2003 Proceeding NonPeerReviewed text en http://ir.unimas.my/id/eprint/992/1/Modelling.pdf Ling, Teck Yee and Kasing, Apun and Jong, Hse Jun (2003) Modelling the survival of an Escherichia Coli in Soil : effect of pH and temperature. In: Paper presented at 3rd Federation of Asia-Pacific Microbiology Societies Conference, Kuala Lumpur 15-18th October 2003. (Unpublished)
spellingShingle AC Collections. Series. Collected works
Ling, Teck Yee
Kasing, Apun
Jong, Hse Jun
Modelling the survival of an Escherichia Coli in Soil : effect of pH and temperature
title Modelling the survival of an Escherichia Coli in Soil : effect of pH and temperature
title_full Modelling the survival of an Escherichia Coli in Soil : effect of pH and temperature
title_fullStr Modelling the survival of an Escherichia Coli in Soil : effect of pH and temperature
title_full_unstemmed Modelling the survival of an Escherichia Coli in Soil : effect of pH and temperature
title_short Modelling the survival of an Escherichia Coli in Soil : effect of pH and temperature
title_sort modelling the survival of an escherichia coli in soil : effect of ph and temperature
topic AC Collections. Series. Collected works
url http://ir.unimas.my/id/eprint/992/
http://ir.unimas.my/id/eprint/992/1/Modelling.pdf