The present invention relates to methods in which ion exchange resins are used to reduce the amount of substances which interfere with nucleic acid hybridization in samples. The methods also stabilize the samples. Kits containing the ion exchange resins render the methods convenient to use....http://www.google.es/patents/US6265224?utm_source=gb-gplus-sharePatente US6265224 - Sample processing method using ion exchange resin
