Rolling Circle Amplification/G‐Quadruplex‐Based Dual‐Signal Ratiometric Electrochemical Aptasensor for Ultrasensitive Detection of Pathogenic Bacteria oleh Zishan Ding, Sha Yang, Jue Wang, Zhuyang Zhao, Hanqing Xu, Zhiguo Chen, Prof. Zhiyong Liu, Prof. Yunxia Wang, Prof. Jing Bao, Prof. Kai Chang, Prof. Ming Chen