Ukraine — Membrane yields dynamic range extension and reduction of buffer concentration : In ANAL. CHIM. ACTA (322/1–2 (77–81) 1996) V. Volotovsky, A.P. Soldatkin, A.A. Shul'ga, V.K. Rossokhaty, V.I. Strikha & A.V. El'skaya of Kiev University report on ‘Dynamic range extension and reduction of buffer concentration influence on the sensor response Glucose-sensitive ion-sensitive field-effect transistor-based biosensor with additional positively charged membrane’