Biotium offers a number of chromogenic, fluorogenic and bioluminescent enzyme substrates. These substrates are useful tools in the studies of molecular biology (detection of reporter gene expression), microbiology (food, clinical and environmental) and immunology (ELISA testings). These products from Biotium are of the highest quality available in the market with very competitive prices. We welcome you to inquire about our bulk prices, which are even better than our regular prices.