Aptamer-superparamagnetic nanoparticles capture coupling siderophore-Fe<sup>3+</sup> scavenging actuated with carbon dots to confer an "off-on" mechanism for the ultrasensitive detection of Helicobacter pylori.

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作者： Zhuangzhuang,Wang ^[1] ; Hongying,Wang ^[2] ; Xiaohong,Cheng ^[3] ; Jiayue,Geng ^[3] ; Lili,Wang ^[4] ; Quanjiang,Dong ^[4] ; Chenguang,Liu ^[3] ; Zhenming,Chi ^[5] ; Zhe,Chi ^[6]

作者单位： College of Marine Life Sciences, Ocean University of China, No. 5 Yushan Road, 266003, Qingdao, China. Electronic address: losttuzi@163.com. ^[1] Department of Biochemistry and Molecular Biology, Binzhou Medical University, No. 346 Guanhai Road, 264003, Yantai, China. ^[2] College of Marine Life Sciences, Ocean University of China, No. 5 Yushan Road, 266003, Qingdao, China. ^[3] Central Laboratory and Department of Gastroenterology, Qingdao Municipal Hospital, No. 5 Donghai Middle Road, 266071, Qingdao, China. ^[4] College of Marine Life Sciences, Ocean University of China, No. 5 Yushan Road, 266003, Qingdao, China; Pilot National Laboratory for Marine Science and Technology, No. 1 Wenhai Road, 266237, Qingdao, China. ^[5] College of Marine Life Sciences, Ocean University of China, No. 5 Yushan Road, 266003, Qingdao, China; Pilot National Laboratory for Marine Science and Technology, No. 1 Wenhai Road, 266237, Qingdao, China. Electronic address: cz1108@ouc.edu.cn. ^[6]

关键词 Aptamer-SPMNPs CD fluorescence Recovery Feces diagnosis Helicobacter pylori Siderophore-Fe(3+) scavenging Ultrasensitivity