Optical Detection of Mercury(II) in Aqueous Solutions by Using Conjugated Polymers and Label‐Free Oligonucleotides | Zendy

Liu X. | Zendy; Tang Y. | Zendy; Wang L. | Zendy; Zhang J. | Zendy; Song S. | Zendy; Fan C. | Zendy; Wang S. | Zendy

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Optical Detection of Mercury(II) in Aqueous Solutions by Using Conjugated Polymers and Label‐Free Oligonucleotides

Author(s) -

Liu X.,

Tang Y.,

Wang L.,

Zhang J.,

Song S.,

Fan C.,

Wang S.

Publication year - 2007

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.200602578

Subject(s) - mercury (programming language) , conjugated system , oligonucleotide , polymer , aqueous solution , materials science , thiophene , ion , combinatorial chemistry , organic chemistry , chemistry , computer science , biochemistry , dna , composite material , programming language

A conjugated‐polymer‐based “mix‐and‐detect” optical sensor for mercury ions is fabricated by using a water‐soluble poly[3‐(3′‐ N , N , N ‐triethylamino‐1′‐propyloxy)‐4‐methyl‐2,5‐thiophene hydrochloride] (PMNT) and a label‐free, mercury‐specific oligonucleotide (MSO) probe. PMNT binds to the Hg 2+ ‐free MSO and the Hg 2+ –MSO complex in different ways, and exhibits distinguishable and specific optical responses to the target‐induced conformation change.

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