Effect of river water, sediment and time on the toxicity and bioavailability of molinate to the marine bacterium Vibrio fischeri (Microtox)

DSpace/Manakin Repository

Search OPUS


Advanced Search

Browse

My Account

Show simple item record

dc.contributor.author Yin, LP
dc.contributor.author Warne, MSJ
dc.contributor.author Lim, RP
dc.date.accessioned 2009-12-21T02:30:39Z
dc.date.issued 2005-07
dc.identifier.citation Water Research, 2005, 39 (12), pp. 2738 - 2746
dc.identifier.issn 0043-1354
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/3890
dc.description.abstract The toxicity and bioavailability of molinate to Vibrio fischeri (Microtox®) were determined in both laboratory and river water in the absence and presence of sediment after 0, 24, 48, 72 and 96-h exposure. The bioavailability of molinate, expressed as 5 min EC50s (bioluminescence) and their fiducial limits calculated using initial measured concentrations, to V. fischeri in laboratory water in the absence and presence of sediment ranged from 1.8 (1.7-2.1) to 3.6 (3.5-3.7) mg L-1 and 1.3 (1.2-1.4) to 4.2 (3.5-4.5) mg L-1, respectively. The corresponding values in river water and river water plus sediment were 1.7 (1.6-1.8) to 3.8 (3.6-4.1) and 1.3 (1.3-1.4) to 4.6 (4.2-4.9) mg L-1, respectively. River water did not significantly (P>0.05) reduce the bioavailability of molinate to V. fischeri compared to that of laboratory water. However, the presence of sediment significantly (P<0.05) reduced the bioavailability of molinate to V. fischeri in both waters. The exposure time also significantly (P<0.05) reduced the bioavailability of molinate to V. fischeri in both waters in the presence and absence of sediment. The type of water did not significantly (P>0.05) affect the loss of molinate during the 96-h exposure period. However, the presence of sediment significantly (P<0.01) increased the loss of molinate from the test solutions, probably by binding to the sediment particles. Exposure period and concentration levels significantly (P<0.05) affected the loss of the herbicides over the 96 h. © 2005 Elsevier Ltd. All rights reserved.
dc.language eng
dc.relation.isbasedon 10.1016/j.watres.2005.04.051
dc.title Effect of river water, sediment and time on the toxicity and bioavailability of molinate to the marine bacterium Vibrio fischeri (Microtox)
dc.type Journal Article
dc.description.version Published
dc.description.version Published
dc.parent Water Research
dc.journal.volume 12
dc.journal.volume 39
dc.journal.number 12 en_US
dc.publocation Oxford, England en_US
dc.publocation Montreal, Canada
dc.identifier.startpage 2738 en_US
dc.identifier.endpage 2746 en_US
dc.cauo.name DVCRch.Institute for Water & Environmental Resource Mgmnt en_US
dc.conference Verified OK en_US
dc.conference 2001 Second International Conference on Engineering Materials
dc.for 0605 Microbiology
dc.for 0602 Ecology
dc.personcode 870336
dc.personcode 010451
dc.personcode 0000016598
dc.percentage 50 en_US
dc.classification.name Ecology en_US
dc.classification.type FOR-08 en_US
dc.custom 2.304 en_US
dc.date.activity 2001-08-16
dc.location.activity San Jose, USA
dc.description.keywords Bioavailability
dc.description.keywords Molinate
dc.description.keywords River water
dc.description.keywords Sediment
dc.description.keywords Toxicity
dc.description.keywords V. fischeri
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/Faculty of Science
pubs.organisational-group /University of Technology Sydney/Faculty of Science/School of the Environment
utslib.copyright.status Closed Access
utslib.copyright.date 2015-04-15 12:17:09.805752+10
pubs.consider-herdc true
utslib.collection.history Closed (ID: 3)


Files in this item

This item appears in the following Collection(s)

Show simple item record