Point of Care Test Kit (IMAGE) University of Chicago Medical Center Caption The LDBIO test relies on an immuno-chromatographic lateral-flow assay. This system is designed to detect the presence (or absence) of IgG and IgM antibodies, indicative of Toxoplasma infection. Credit The University of Chicago Medicine Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.