| 摘要 |
A vertical flow membrane assay device for quantitative determination of an analyte in a sample comprising at least a porous membrane and binding molecules attached to colored particles suspended in a buffer, wherein said porous membrane has an average pore size of about 2 μιτι to about 6 μιτι, said colored particles have an average diameter in the interval of 80 nm to about 400 nm, and said buffer has a pH in the interval of 7.5 to 1 1. A method for performing a vertical flow membrane assay using a device as disclosed, and/or performing the corresponding method steps. |
