aptamer (IMAGE) Kazan Federal University Caption The scheme of the SPR set-up. Aptamers are immobilized at the gold layer sputtered on a glass prism. The binding of the analyte with aptamers resulted in the shift of the resonant angle. Adopted from [184] with permission of Elsevier. Credit Kazan Federal University Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.