journal article Aug 01, 2019

Continuously Tunable Ion Rectification and Conductance in Submicrochannels Stemming from Thermoresponsive Polymer Self‐Assembly

Angewandte Chemie International Edition Vol. 58 No. 36 pp. 12481-12485 · Wiley
View at Publisher Save 10.1002/anie.201906360
Abstract
AbstractA biomimetic conical submicrochannel (tip side ca. 400 nm) with functions of continuously tunable ion rectification and conductance based on thermoresponsive polymer layer‐by‐layer (LbL) self‐assembly is presented. These self‐assembled polymers with different layers exhibited a capability to regulate the effective channel diameter, and different ion rectifications/conductance were achieved. By controlling temperature, the conformation and wettability of the assembled polymers were reversibly transformed, thus the ion rectification/conductance could be further adjusted subtly. Owing to the synergistic effect, the ion conductance could be tuned over a wide range spanning three orders of magnitude. Moreover, the proposed system can be applied for on‐demand on‐off molecule delivery, which was important for disease therapy. This study opens a new door for regulating channel size according to actual demand and sensing big targets with different size with one channel.
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Cited By
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Optimizing Membranes for Osmotic Power Generation

Chien‐Wei Chu, Amalia Rizki Fauziah · 2023

Angewandte Chemie International Edi...
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42
Citations
48
References
Details
Published
Aug 01, 2019
Vol/Issue
58(36)
Pages
12481-12485
License
View
Funding
Higher Education Discipline Innovation Project Award: B14009
Cite This Article
Yafeng Wu, Guang Yang, Mingchang Lin, et al. (2019). Continuously Tunable Ion Rectification and Conductance in Submicrochannels Stemming from Thermoresponsive Polymer Self‐Assembly. Angewandte Chemie International Edition, 58(36), 12481-12485. https://doi.org/10.1002/anie.201906360
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