Ambion® BrightStar®-Plus Positively Charged Nylon Membrane(s) are strongly recommended to ensure consistent, reliable results with minimal background. Ideal for use with radiolabeled and nonisotopic probes for northern and other blot applications, five sheets measuring 15 x 15 cm are provided. This membrane exhibits the lowest nonspecific binding in nonisotopic detection applications when used with Ambion® blocking and wash solutions.