scholarly journals Luminescence-Based Acute Toxicity Bioassay for Heavy Metals Using Insoluble-Fibroin-Film-Immobilized Vibrio fischeri

2012 ◽  
pp. 261
Keyword(s):  
Heavy Metals ◽  
Acute Toxicity ◽  
Vibrio Fischeri ◽  
Toxicity Bioassay

A multi-pumping flow system for acute toxicity bioassay using the Vibrio fischeri bacteria

2014 ◽  
Vol 6 (18) ◽  
pp. 7367-7373 ◽  
Author(s):  
Andressa Adame ◽  
Fábio R. P. Rocha
Keyword(s):  
Acute Toxicity ◽  
Vibrio Fischeri ◽  
Flow System ◽  
Toxicity Bioassay ◽  
Fast Determination ◽  
Line Sample

Fast determination of acute toxicity using the V. fischeri bacteria, including in-line sample dilutions and conditioning.

scholarly journals Toxicity Assessment of Sediments with Natural Anomalous Concentrations in Heavy Metals by the Use of Bioassay

2010 ◽  
Vol 2010 ◽  
pp. 1-6 ◽  
Author(s):  
Francisco Martín ◽  
Marlon Escoto ◽  
Juan Fernández ◽  
Emilia Fernández ◽  
Elena Arco ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Vibrio Fischeri ◽  
Toxicity Assessment ◽  
Water Soluble ◽  
Ultramafic Rocks ◽  
Moderate Degree ◽  
Toxicity Bioassay ◽  
Potential Toxicity ◽  
Riverbed Sediments ◽  
Low Degree

The potential toxicity in riverbed sediments was assessed with a bioassay using the bioluminescent bacteriaVibrio fischeri. The selected area was characterized by the presence of ultramafic rocks (peridotites), and the sediments had high values in Ni, Cr, and Co. For the toxicity bioassay withVibrio fischeri, water-soluble forms were used. The results indicated that most of the samples had a very low degree of toxicity, with 10% of reduction in luminescence in relation to the control; meanwhile 25% of the samples had a moderate degree of toxicity with a reduction in luminescence between 13 and 21% in relation to the control. The toxicity index correlated significantly with the concentrations of Ni and Cr in the water extracts. This toxicity bioassay was proved to be a sensitive and useful tool to detect potential toxicity in solutions, even with anomalous concentrations in heavy metals of natural origin.

scholarly journals Assessment of toxic potential of three different heavy metals to Clarias batrachus (Linn.) utilizing static acute bioassay

2014 ◽  
Vol 6 (1) ◽  
pp. 117-120 ◽  
Author(s):  
S.S. Gandhewar ◽  
S.B. Zade ◽  
S.R. Sitre
Keyword(s):  
Heavy Metals ◽  
Acute Toxicity ◽  
Short Duration ◽  
Clarias Batrachus ◽  
Toxicity Bioassay ◽  
Freshwater Catfish ◽  
Acute Bioassay ◽  
Toxic Potential

Acute toxicity bioassay of three different heavy metals copper (Cu), lead (Pb) and cadmium (Cd) for the freshwater catfish, Clarias batrachus were conducted for evaluation of the toxicity. The 96h LC50 values recorded for Cu, Pb and Cd were 15 ppm, 29 ppm and 35 ppm respectively. The results of this study indicate that the order of toxicity of these heavy metals is Cu>Pb>Cd in short duration acute toxicity experiments. The toxicity was found to be dependent on dose and duration of experiment for all these heavy metals. Cu was found to be much more toxic than Pb and Cd to C. batrachus.

Thermophysical properties and acute toxicity towards green algae and Vibrio fischeri of amino acid-based ionic liquids

2015 ◽  
Vol 212 ◽  
pp. 352-359 ◽  
Author(s):  
Ouahid Ben Ghanem ◽  
Nicolas Papaiconomou ◽  
M.I. Abdul Mutalib ◽  
Sylvie Viboud ◽  
Mohanad El-Harbawi ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Amino Acid ◽  
Acute Toxicity ◽  
Green Algae ◽  
Thermophysical Properties ◽  
Vibrio Fischeri

scholarly journals Comparison of organics and heavy metals acute toxicities to Vibrio fischeri

2016 ◽  
Vol 81 (6) ◽  
pp. 697-705 ◽  
Author(s):  
Xuepeng Yang ◽  
Yan Ji ◽  
Fangfang Wang ◽  
Jia Xu ◽  
Xiangzhen Liu ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Cell Death ◽  
Benzoic Acid ◽  
Death Rate ◽  
Vibrio Fischeri ◽  
Reaction Times ◽  
Inhibition Rate ◽  
Cell Death Rate ◽  
Bioluminescence Inhibition ◽  
The Difference

Vibrio fischeri bioluminescence inhibition has been widely used to test acute toxicities of metals and organics contaminants. However, the differences of metals and organics acute toxicities to V. fischeri have not been compared. Here, four heavy metals (Zn2+, Cu2+, Cd2+, Cr6+) and five organics (phenol, benzoic acid, p-hydroxy benzoic acid, nitro-benzene and benzene) acute toxicities to V. fischeri were investigated. Heavy metals toxicities to V. fischeri were increased along with the reaction time, while the organics toxicities kept the same level in different reaction times. In order to explain the difference, the relative cell death rate of V. fischeri was detected. In metals toxicities tests, the bioluminescence inhibition rate of V. fischeri was found to be significantly higher than the relative cell death rate (P<0.05), while for the organics toxicities tests, the cell death rate was similar to the bioluminescence inhibition rate. These results indicated that organics acute toxicities to V. fischeri could reflect the death of cell, but metals acute toxicities to V. fischeri may not lead to the death of cell, just represent the bioluminescence inhibition.

Acute Toxicity of Alkylpolyglucosides to Vibrio fischeri, Daphnia magna and Microalgae: A Comparative Study

2011 ◽  
Vol 88 (2) ◽  
pp. 290-295 ◽  
Author(s):  
E. Jurado ◽  
M. Fernández-Serrano ◽  
J. Núñez Olea ◽  
M. Lechuga ◽  
J. L. Jiménez ◽  
...  
Keyword(s):  
Acute Toxicity ◽  
Comparative Study ◽  
Daphnia Magna ◽  
Vibrio Fischeri

Optimization of microorganism preservation conditions for the development of an acute toxicity bioassay for biocides

Chemosphere ◽  
2019 ◽  
Vol 221 ◽  
pp. 45-54 ◽  
Author(s):  
Patrick Morkus ◽  
Mehdi Zolfaghari ◽  
Damien Parrello ◽  
Matthew Csordas ◽  
Mikayil Malikov ◽  
...  
Keyword(s):  
Acute Toxicity ◽  
Toxicity Bioassay ◽  
Preservation Conditions

scholarly journals Toxicity Effects of Selected Heavy Metals on Lactuca sativa and Hydra viridissima used for Sustainable Crop Production

2018 ◽  
Vol 7 (3) ◽  
pp. 82
Author(s):  
Lina Maria Caceres Diaz ◽  
Claudia Campos ◽  
Gideon Oron
Keyword(s):  
Heavy Metals ◽  
Acute Toxicity ◽  
Lactuca Sativa ◽  
Toxicity Test ◽  
Crop Production ◽  
Arid Regions ◽  
Toxicity Assessment ◽  
Agricultural Irrigation ◽  
Lactuca Sativa L ◽  
Toxicity Effects

This study examines the prospects for using Hydra viridissima toxicity test 96-h LC50, served as a model invertebrate, Lactuca sativa L. was applied for seeds toxicity test (120-h IC50) and a model plant for an acute toxicity assessment of heavy metals content in water. The heavy metals used to assess the acute toxicity of the water utilized for agricultural irrigation in arid regions includes cadmium (CdCl2.2H2O), chromium (K2Cr2O7), zinc (ZnSO4. 7H2O), and boron (H3BO3). A grading of the substances was conducted, and it was found that the toxicity levels for H. viridissima and L. sativa were, with the least harmful first: B < Cr < Zn < Cd and Zn < B < Cr < Cd, respectively. Results indicate that H. viridissima was a more sensitive indicator of toxicity for all of the evaluated substances. However, L. sativa could also be used successfully to rank toxicants in order of their potential hazards.

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