DataVXACS Applied Nano MaterialsPaper
journal article·2022-10-28

Selective Unidirectional Transport of Protons in Sub-Nanoporous Membranes Inspired by the Influenza A M2 Channel for Nanofluidic Ionic Diodes

Haonan Qu, Shaoming Dai, Yanquan Qu, Siyun Zhang, Mingxiang Lu, Zhiyan Lu, Juan Zhou, Haibing Li

ACS Applied Nano Materials· Volume 5· Issue 10
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Source abstract

Abstract

Proton transport is involved in many biological processes, such as viral replication and enzymatic catalysis. However, one-way transmission is the premise of the realization of the above functions. Actually, the unidirectional transport of protons is significant not only for biology but also for practical applications. Herein, inspired by the influenza A M2 channel, a sub-nanoporous proton transport membrane was constructed by layer-by-layer assembly of two oppositely charged pillar[n]arenes with sub-nanometer cavities. A good selectivity of the proton transport membranes to protons was achieved by exploiting the size effect of sub-nanometer pores. And the proton transport membrane has a transport capacity of 459 μM·m–2·h–1 for protons. For nanofluidic diodes, the construction of the sub-nanopore proton transport membrane was very meaningful. For energy conversion applications such as catalytic transformations, although the flux cannot meet the application in these fields, the development of this membrane provides an idea for it. What is more, it can help deepen the understanding of the relationship between sub-nanostructure and function.
Source: openalex_inverted_index · Quality: baseline

Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Fuel Cells and Related Materials · Nanopore and Nanochannel Transport Studies · Supramolecular Chemistry and Complexes

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China

Department of Radiology, Traditional Chinese Medicine Hospital of Wuxue, Huanggang 438200, Hubei Province, P. R. China

Department of Radiology, Zhongnan Hospital of Wuhan University, Wuhan 430071, Hubei Province, P. R. China

Department of Forensic Medicine, Zhongnan Hospital of Wuhan University, No.169 East Lake Road, Wuchang District, Wuhan 430071, P. R. China

State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan 430071, P. R. China

Funding

Ministry of Education of the People's Republic of China · Ministry of Science and Technology of the People's Republic of China · Central China Normal University · National Natural Science Foundation of China · Higher Education Discipline Innovation Project

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