UniSart® nitrocellulose membranes have been designed to be the ideal solid phase for Lateral Flow, able to bind high amount of capture reagent and yield a controlled and fast wicking of samples. Developed in the mid–80 for pregnancy testing, more than a billion Lateral Flow Immunoassays are today produced per year. Many markers such as cardiac, cancer, drug abuse and more can be analysed on such a strip. Like an ELISA it uses the powerful antibody/antigen reaction but in a one-step format.