Non Animal Testing, Alternative Test Methods, In Vitro Toxicology, IIVS | Barbara Birk
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Barbara Birk Tag

kDPRA: An in chemico Method to Characterize the Skin Sensitization Potency of Chemicals

September 13, 2019
While the skin sensitization hazard of substances can readily be identified using non-animal methods, the classification of potency into UN GHS sub-categories 1A and 1B remains challenging. The kinetic direct peptide reactivity assay (kDPRA) is a modification of the DPRA (OECD TG 442C) wherein the reaction kinetics of a test substance towards a synthetic cysteine-containing peptide is evaluated. For this purpose, several concentrations of the test substance are incubated with the synthetic peptide for several incubation times at 25°C. After...

How the Good In Vitro Method Practices Guidance Document Can Help Implement New Toxicological Approaches: A Case Study in China

October 17, 2018
Currently China is striving to adopt and implement non-animal, including in vitro, testing approaches for the safety assessment of cosmetics and ingredients.  Collaborative efforts between industry and the Institute for In Vitro Sciences (IIVS, Gaithersburg, USA) have focused on the transfer of several OECD Test Guideline methods to government laboratories in China and have supported the creation of an in vitro toxicology testing laboratory within the Zhejiang Institute for Food and Drug Control (Hangzhou, China).  Recently BASF SE (Ludwigshafen, Germany) and IIVS...