Fig. 1 (IMAGE) Science China Press Caption On-surface transformation from n-C32H66 into -polyene. (a-c) STM/nc-AFM characterization of intact n-C32H66 molecules. (d-f) STM/nc-AFM characterization of polydisperse -polyene molecules. (g) Scheme of the alkane-polyene transformation and the illustration of measured differences in periodicity and adsorption height before and after the transformation. Credit ©Science China Press Usage Restrictions Use with credit. 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.