A Graphene–Conjugated Oligomer Hybrid Probe for Light‐Up Sensing of Lectin and  Escherichia Coli | Zendy

Wang Lihua | Zendy; Pu KanYi | Zendy; Li Jing | Zendy; Qi Xiaoying | Zendy; Li Hai | Zendy; Zhang Hua | Zendy; Fan Chunhai | Zendy; Liu Bin | Zendy

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A Graphene–Conjugated Oligomer Hybrid Probe for Light‐Up Sensing of Lectin and Escherichia Coli

Author(s) -

Wang Lihua,

Pu KanYi,

Li Jing,

Qi Xiaoying,

Li Hai,

Zhang Hua,

Fan Chunhai,

Liu Bin

Publication year - 2011

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201102227

Subject(s) - graphene , conjugated system , materials science , fluorescence , oligomer , nanoprobe , fluorophore , escherichia coli , concanavalin a , lectin , quenching (fluorescence) , photochemistry , nanotechnology , biophysics , biochemistry , nanoparticle , polymer chemistry , chemistry , biology , optics , polymer , physics , in vitro , composite material , gene

A water‐soluble neutral fluorescent conjugated oligomer (FBT) is integrated with graphene oxide (GO) to form a hybrid nanoprobe with extremely low fluorescence background due to the robust quenching capability of GO. The contact between GO and FBT can be effectively shielded by Concanavalin A because of the strong specific protein–carbohydrate interaction, which ultimately allows for light‐up visual detection of lectin and Escherichia coli .

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