Biois is the manufacturer of Aptamer screening kit (In Vitro Diagnostic Multivariate Index Assay) to diagnose chronic degenerative diseases using a patented technology. Our main products, Bio-Sign is consisting of Bio-Chip and CDSS program (Clinical Decision Support System) and it is enable early screening and analysis of cardiovascular disease, including cancer. Also, our patented technology, Reverse-SELEX, can be applied to the field of basic research of screening bio-markers and drug delivery system. Our final goal is to consistently provide the best diagnostic products through research and development, for healthy living of mankind.