Articles and Case Studies from Microbiotests Inc.

QSAR Models for Predicting the Acute Toxicity of Selected Organic Chemicals with Diverse Structures to Aquatic Non-Vertebrates and Humans

Abstract : The linear and non-linear relationships of acute toxicity (as determined on five aquatic non-vertebrates and humans) to molecular structure have been investigated on 38 structurally-diverse chemicals. The compounds selected are the ...

Jan. 8, 2020 M.C. Calleja;P. Geladi;G. Persoone

Modelling of Human Acute Toxicity from Physicochemical Properties and Non-Vertebrate Acute Toxicity of the 38 Organic Chemicals of the MEIC Priority List by PLS Regression and Neural Network

Abstract :Linear and non-linear modelling of human acute toxicity (as human lethal concentrations; HLCs) of the 38 organic chemicals from the 50 priority compounds of the Multicentre Evaluation ofIn VitroCytotoxicity (MEIC) programme was ...

Jan. 8, 2020 M.C. Calleja;P. Geladi;G. Persoone

Microbiotests in Aquatic Ecotoxicology : Characteristics, Utility and Prospects

Abstract :Small-scale biological tests (microbiotests) have steadily increased in development and application over the last 30 years in the field of aquatic ecotoxicology. Multitrophic level assessment requirements, attractive features of ...

Jan. 8, 2020 C. Blaise

Predicting the Toxicity of Oil-Shale Industry Wastewaters by its Phenolic Composition

Abstract : The chemical composition and toxicity of five phenolic wastewaters samples collected from the Kohlta-Järve (Estonia) oil-shale industry region were analysed. The total phenolic contents (HPLC data) of these samples ranged from 0.7 ...

Jan. 8, 2020 A. Kahru;L. Pollumaa;R. Rieman;A. Ratsep

The Predictive Potential of a Battery of Ecotoxicological Tests for Human Acute Toxicity, as Evaluated with the First 50 MEIC Chemicals

Abstract : The acute toxicities of the first 50 chemicals (dextropropoxyphene hydrochloride excluded) of the multicentre evaluation of in vitrocytotoxicity (MEIC) programme were determined on four aquatic invertebrates and a bacterial strain ...

Jan. 8, 2020 M.C. Calleja;G. Persoone;P. Geladi

Alternative Assays for Routine Toxicity Assessments : a Review

Abstract : The number of available aquatic toxicity tests is large and increases every year. For certain types of applications such as the routine screening of large numbers of environmental samples, standard conventional tests may be perceived as ...

Jan. 8, 2020 C.R. Janssen

The use of Algae in Ecotoxicological Testing : a Review

Abstract :An intensive review on the use of algae in ecotoxicological testing is herein described. The state of the art in algal toxicity testing is given and the currently applied algal tests in hazard assessment schemes are emphasized. However, ...

Jan. 8, 2020 R.F. Amparado;G. Persoone

Toxicity and Microcystin Content of Extracts from a Planktothrix Bloom and Two Laboratory Strains

Abstract : Toxic effects and microcystin content from various extracts of aPlanktothrix agardhiibloom and two different strains ofPlanktothrix agardhii, HUB 076, and NIVA 34 were investigated. Extracts were obtained with solvents of different ...

Jan. 8, 2020 C. Keil;A. Forchert;J. Fastner;U. Szewzyk;W. Rotard;I. Chorus;R. Kraetke

Toxicological Evaluation of the Chemical Oxidation Methods for Landfill Stabilization

Abstract : As the stabilization criteria for landfill sites, only chemical criteria for the leachate discharges from the landfill sites have been used in Japan and many other countries. Recently, chemical oxidation has been developed as a method for ...

Jan. 8, 2020 E.A. Cho;K. Tameda;M. Hanashima;T. Yamada;S. Higuchi

Bioassays used for Detection of Ecotoxicity at Contaminated Areas

Abstract : Ten bioassays were used for the evaluation of acute, (sub)chronic toxicity and genotoxicity of an unknown soil from a military base and six model soils that were contaminated at former military bases with the major pollutants : kerosene, ...

Jan. 8, 2020 R. Rojickova;B. Marsalek;B. Dutka;R. Mcinnis

Toxkit Technology and New Zealand Water Quality Guidelines

Abstract : The primary objective of this project was to evaluate six Toxkits and the IQ Toxicity TestsTM, for suitability in the role of screening of whole effluents in DTA required by Resource Consents. As an extension, their role as \`up the ...

Jan. 8, 2020 J G. Ruck

Sensitivity of Microscale Ecotoxicity Tests and their Suitability to Measure Toxicity of Environmental Samples

Abstract : Aquatic microbiotests were selected and evaluated for their potential usefulness in measuring ecotoxicity in monitoring programs. Microbiotests are tests with aquatic invertebrates that demand a shorter exposure period and a smaller test ...

Jan. 8, 2020 M.A. Vaal;A.J. Folkerts

Ecotoxicity Assessment of Landfill Leachates using a Battery of Bioassay and Toxicity Characterization of the Leachates

Abstract : The western part of Teshima Island in the Seto Inland Sea (Japan) had been used as an illegal dumping ground for more than 10 years and the accumulated waste was estimated to be about 510.000 tons. There has been no systematic toxicity ...

Jan. 8, 2020 H. Okamura;R. Luo;I. Aoyama;D. Liu;G. Persoone

Water Quality and Toxicity Assessment in Koronia Lake - Greece

Abstract :Lake Koronia, located in Northern Greece, is an environmentally sensitive area protected by Ramsar Convention. However, COD values higher that 900 mg/l and nitrate-nitrogen concentration higher than 10 mg/l were measured in the lake water. ...

Jan. 8, 2020 A. Kungolos;P. Samaras;V. Kimerogly;X. Dabou;G.P. Sakellaropoulos

Toxicity Assessment Assays in Greece

Abstract :In this study the results of toxicity assessment assays in the area of Thessaloniki in Greece are presented.Daphnia magnatests were used for the assessment of freshwater and wastewater andArtemia salinatests for the assessment of seawater. ...

Jan. 8, 2020 P. Samaras;G.P. Sakellaropoulos;A. Kungolos;S. Dermissi

Interactive Toxic Effects of Agrochemicals on Aquatic Organisms

Abstract : The effects of three common agrochemicals, lindane, methyl parathion and atrazine, on crustaceanDaphnia magna, algaSelenastrum capricornutumand marine bacteriumVibrio fischeriwere investigated in this study. Methyl parathion was the most ...

Jan. 8, 2020 A. Kungolos;P. Samaras;A.M. Kipopoulou,;A. Zoumboulis;G.P. Sakallerapoulos

Sensitivity Comparison of the ISO Daphnia and Algal Test Procedures with Toxkit Microbiotests

Abstract : A short comparative study has been made on the sensitivity of 2 conventional bioassays (the ISO Daphnia magna immobilization test and the ISO algal growth inhibition test with Scenedesmus quadricauda) and 3 Toxkit microbiotests : the ...

Jan. 7, 2020 V. Lucivjanska;M. Lucivjanska;V. Cizek

Sensitivity Comparison of the Conventional Acute Daphnia magna Immobilization Test with the Daphtoxkit FTM Microbiotest for Household Products

Abstract : A comparative study has been made of the sensitivity of the acute Daphnia magna immobilization test and the Daphtoxkit F™ magna microbiotest for 30 household products of different categories (cleaning and degreasing products used in ...

Jan. 7, 2020 L. Ulm;J. Vrzina;V. Schiesl;D. Puntaric;Z. Smit

Suitability of Microscale Ecotoxicity Tests for Environmental Monitoring

Abstract : Aquatic microbiotests were selected and evaluated for their potential usefulness in measuring ecotoxicity in monitoring programs. In comparison with conventional aquatic ecotoxicity test methods they have the advantage of a shorter ...

Jan. 7, 2020 M.A. Vaal;A.J. Folkerts

Comparison of the Conventional Algal Assay and the Algaltoxkit FTM Microbiotest for Toxicity Evaluation of Sediment Pore Waters

Abstract : Conventional algal tests have not been utilized to their full potential for routine toxicity assessments. This is mainly due to the complexicity of these assays and the fact that many operators are still encountering practical ...

Jan. 7, 2020 M.C. Vandenbroele;D.G. Heijerick;M.L. Vangheluwe;C.R. Janssen

Microbiotests Inc. Articles