BASF, Givaudan seek animal-free testing

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BASF and Givaudan say they have developed a test called the kinetic direct peptide reactivity assay to predict the potency of skin sensitizers without the use of animals. The two say other animal-free tests can give only a positive or negative indication but can’t determine potency, a requirement of some regulatory agencies. To validate the new test method, they have partnered with the Maryland-based nonprofit Institute for In Vitro Sciences, which should have results by the end of this year.