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- 19 Sept 2025Estimation of NOEC and LOEC for Multiple Observationstoxgenie.com blog · 1 min readRaw data for multiple endpoints from publicly available reports on Daphnia magna Reproduction Test or Fish Early-Life Stage Toxicity Test could not be obtained through internet searches. Therefore…Read ↗
- 9 Sept 2025Estimation of NOEC and LOEC for a Single Observationtoxgenie.com blogBased on the analysis results of ToxGenie’s NOEC and LOEC estimation, a comparison was made using the same dataset as reported in the US EPA Report (EPA/600/4-91/021, February 1992). As shown in the…Read ↗
- 8 Sept 2025Homogeneity Testing for Toxicity Data Statistical Analysistoxgenie.com blog · 2 min readIn toxicological studies, evaluating whether the variances of quantitative toxicity data are homogeneous across groups is critical for hypothesis testing. This is particularly important because…Read ↗
- 8 Sept 2025What are parametric and non-parametric methods in the analysis of toxicity data?toxgenie.com blog · 1 min readIn statistical analysis of toxicity data, parametric and non-parametric approaches are selected based on the characteristics of the data and the objectives of the analysis. Parametric Analysis This…Read ↗
- 8 Sept 2025Normality Testing for Toxicity Data Statistical Analysistoxgenie.com blog · 2 min readIn toxicological studies, assessing whether quantitative toxicity data follow a normal distribution is critical when conducting hypothesis testing. This is particularly important because statistical…Read ↗
- 8 Sept 2025Why is a minimum of three replicates required to estimate NOEC and LOEC in ecotoxicity testing?toxgenie.com blog · 2 min readIn ecotoxicity testing, the estimation of NOEC (No Observed Effect Concentration) and LOEC (Lowest Observed Effect Concentration) relies primarily on hypothesis testing-based statistical methods. In…Read ↗
- 6 Sept 2025How Can the Algae and Cyanobacteria Growth Inhibition Test Results Be Easily Analyzed?toxgenie.com blog · 2 min readSimplify Complex OECD 201 Analysis with One Tool The Algae and Cyanobacteria Growth Inhibition Test (OECD 201) is part of the ecotoxicity battery tests, alongside fish acute toxicity and Daphnia…Read ↗
- 5 Sept 2025Logistic Model for IC25 and IC50 Estimationtoxgenie.com blog · 3 min readPreparation for IC25 and IC50 Estimation As with all statistical analysis of toxicity data, it is critical to visualize the experimental data distribution through graphing. A minimum of three…Read ↗
- 5 Sept 2025Linear Model for IC25 and IC50 Estimationtoxgenie.com blog · 3 min readPreparation for IC25 and IC50 Estimation As with all statistical analysis of toxicity data, it is critical to visualize the experimental data distribution through graphing. A minimum of three…Read ↗
- 5 Sept 2025Hormesis Model for IC25 and IC50 Estimationtoxgenie.com blog · 3 min readPreparation for IC25 and IC50 Estimation As with all statistical analysis of toxicity data, it is critical to visualize the experimental data distribution through graphing. A minimum of three…Read ↗
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