The present invention provides an electrochemical sensor having a sensing chemistry that operates substantially free of any “oxygen effect”. The electrochemical sensors are useful in determining the level of an analyte in a biological sample from a subject. The present invention also provides sensor...http://www.google.es/patents/US20090099434?utm_source=gb-gplus-sharePatente US20090099434 - OXYGEN-EFFECT FREE ANALYTE SENSOR
