Nanomechanics of Cation–π Interactions in Aqueous Solution | Zendy

Lu Qingye | Zendy; Oh Dongyeop X. | Zendy; Lee Youngjin | Zendy; Jho Yongseok | Zendy; Hwang Dong Soo | Zendy; Zeng Hongbo | Zendy

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Nanomechanics of Cation–π Interactions in Aqueous Solution

Author(s) -

Lu Qingye,

Oh Dongyeop X.,

Lee Youngjin,

Jho Yongseok,

Hwang Dong Soo,

Zeng Hongbo

Publication year - 2013

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201210365

Subject(s) - nanomechanics , aqueous solution , chemistry , tryptophan , nanotechnology , computer science , materials science , organic chemistry , biochemistry , amino acid , atomic force microscopy

The first direct probing of the nanomechanics of cation–π interactions in aqueous media was accomplished by using a surface forces apparatus with complementary theoretical simulations. The tetraethylammonium (TEA) ion breaks the adhesion between poly‐ L ‐tryptophan (PTrp) and poly‐ L ‐lysine (PLL) with a 100 times higher sensitivity relative to the K + ion (PS=polystyrene, PTyr=poly‐L‐tyrosine, and ACh=acetylcholine).

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