Bio-inspired Asymmetric Design and Building of Biomimetic by Xu Hou

By Xu Hou

In this thesis, the writer introduces quite a few bio-inspired clever nanochannel structures. a method for layout and coaching of novel man made responsive symmetric/asymmetric unmarried nanochannel structures below quite a few symmetric/asymmetric stimuli is gifted for the 1st time. The author’s study paintings makes use of ion music etching polymer nanochannels with diversified shapes as examples to illustrate the feasibility of the layout approach for development novel man made sensible nanochannels utilizing numerous symmetric/asymmetric physicochemical adjustments. the improvement of those nanochannels and their capability functions is a burgeoning new sector of analysis, and a few intriguing breakthroughs can be expected within the close to destiny from the options and effects pronounced during this thesis. learn into synthetic sensible nanochannels maintains to force new advancements of assorted real-world functions, corresponding to biosensors, power conversion platforms and nanofluidic units. The paintings during this thesis has ended in greater than 15 guides in high-profile journals.

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3 Typical Examples of Responsive Single Nanopore/Nanochannel 29 Fig. 21 Ionic transport properties of pH responsive polymer symmetric nanochannels. 1 M KCl at different pH. Reprinted with the permission from Ref. [21]. Copyright 2009 American Chemical Society. 1 M KCl solution. Reproduced from Ref. [38] by permission of John Wiley & Sons Ltd. c I–V properties of the single nanochannel before and after plasma asymmetric chemical modification under different pH conditions. Reproduced from Ref. [82] by permission of John Wiley & Sons Ltd wall.

However, the thickness and uniformity of deposited metal layer within the channels is not well understood Coats the surface of nanochannels by depositing metal/inorganic layers and can easily get continuous, multiple, nanometer-thick layers of metals PC, PET Electroless deposition Au Ref. 3 Typical Examples of Responsive Single Nanopore/Nanochannel 21 Surfactants, particles Reproduced from Ref. [47] by permission of John Wiley & Sons Ltd PET Asymmetric assembly in solution Polymer brushes Antibodies, succinic anhydride, ethylenediamine PET Plasma Polymers Asymmetric chemical PET modification by functional molecules in solution PC Coats the inner surface of nanochannels by depositing nanometerthick polymer layers, which can easily and quickly be used to symmetrically/asymmetrically modify any substrate without surface-tension limitations.

Selective Strategies for Various Modifications of Nanochannels In order to further demonstrate how to choose a suitable modification method to functionalize nanochannels, two classical approaches for chemical modification of the interior surfaces of polymer nanochannels with functional molecules are shown in Fig. 16 as examples to illustrate the chemical modification with selective strategies, which may also be extended to other nanopore/nanochannel materials. The first approach is that functional molecules are directly immobilized onto the inner surfaces of nanochannels by various methods, such as solution chemical covalent modification, electrostatic self-assembly and plasma modification.

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