There is still plenty of room for layer-by-layer assembly for constructing nanoarchitectonics-based materials and devices

2021 ◽  
Author(s):  
Katsuhiko Ariga ◽  
Yuri M. Lvov ◽  
Gero Decher
Keyword(s):  
Self Assembly ◽  
Functional Materials ◽  
Chemical Conversion ◽  
Self Organization ◽  
Layer By Layer ◽  
Layer By Layer Assembly ◽  
Molecular Manipulation ◽  
Layer Assembly

Nanoarchitectonics approaches can produce functional materials from tiny units through combination of various processes including atom/molecular manipulation, chemical conversion, self-assembly/self-organization, microfabrication, and bio- inspired procedures. Existing fabrication approaches can be...

Layer-by-layer assembly of polyoxometalate–pyrene-decorated fluorescent microspheres for the suspension immunoassay of Listeria monocytogenes

2016 ◽  
Vol 4 (24) ◽  
pp. 4287-4294 ◽  
Author(s):  
Wen Ju ◽  
Xiuling Song ◽  
Gang Yan ◽  
Kun Xu ◽  
Juan Wang ◽  
...  
Keyword(s):  
Listeria Monocytogenes ◽  
Self Assembly ◽  
Layer By Layer ◽  
Fluorescent Microspheres ◽  
New Class ◽  
Assembly Method ◽  
Layer By Layer Assembly ◽  
Immunoassay Technique ◽  
Layer Assembly

A new class of polyoxometalate–pyrene-decorated fluorescent microspheres prepared by a layer-by-layer self-assembly method were used in the suspension immunoassay technique to detectListeria monocytogenes.

Polyiminofluorene with conjugated benzimidazolylpyridine substituent groups: optical properties, ionochromism and coordinative self-assembly into electrochromic films

RSC Advances ◽  
2014 ◽  
Vol 4 (48) ◽  
pp. 25079-25088 ◽  
Author(s):  
Kalie Cheng ◽  
Bernd Tieke
Keyword(s):  
Optical Properties ◽  
Ultrathin Films ◽  
Self Assembly ◽  
Side Chain ◽  
Layer By Layer ◽  
Pyridine Ligands ◽  
Layer By Layer Assembly ◽  
Layer Assembly

A new polyiminofluorene with conjugated bis(methylbenzimidazolyl)pyridine ligands in the side chain has been synthesized. Ionochromism of the polymer and electrochromic behaviour after coordinative layer-by-layer assembly into ultrathin films are described.

scholarly journals Fast assembly of bio-inspired nanocomposite films

2008 ◽  
Vol 23 (4) ◽  
pp. 1026-1035 ◽  
Author(s):  
Viatcheslav Vertlib ◽  
Marianne Dietiker ◽  
Michael Plötze ◽  
Lee Yezek ◽  
Ralph Spolenak ◽  
...  
Keyword(s):  
Self Assembly ◽  
Spin Coating ◽  
Coating Layer ◽  
Fold Increase ◽  
Dip Coating ◽  
Nanocomposite Films ◽  
Bilayer Film ◽  
Layer By Layer ◽  
Layer By Layer Assembly ◽  
Layer Assembly

This paper presents a spin-coating layer-by-layer assembly process to prepare multilayered polyelectrolyte-clay nanocomposites. This method allows for the fast production of films with controlled layered structure. The preparation of a 100-bilayer film with a thickness of about 330 nm needs less than 1 h, which is 20 times faster than conventional dip-coating processes maintaining the same hardness and modulus values. For validation of this technique, nanocomposite films with thicknesses up to 0.5 μm have been created with the common dip self-assembly and with the spin coating layer-by-layer assembly technique from a poly(diallyldimethylammonium)chloride (PDDA) solution and a suspension of a smectite clay mineral (Laponite). Geometrical characteristics (thickness, roughness, and texture) as well as mechanical characteristics (hardness and modulus) of the clay-polyelectrolyte films have been studied. The spin-coated nanocomposite films exhibit clearly improved mechanical properties (hardness 0.4 GPa, elastic modulus 7 GPa) compared to the “pure” polymer film, namely a sixfold increase in hardness and a 17-fold increase in Young’s modulus.

Complex formation of modified chitosan and carboxymethyl cellulose and its effect on paper properties

TAPPI Journal ◽  
2009 ◽  
Vol 8 (6) ◽  
pp. 29-35 ◽  
Author(s):  
PEDRAM FATEHI ◽  
LIYING QIAN ◽  
RATTANA KITITERAKUN ◽  
THIRASAK RIRKSOMBOON ◽  
HUINING XIAO
Keyword(s):  
Carboxymethyl Cellulose ◽  
Polymer System ◽  
Layer By Layer ◽  
Paper Strength ◽  
Anionic Polymer ◽  
Paper Properties ◽  
Modified Chitosan ◽  
Layer By Layer Assembly ◽  
Polyelectrolyte Titration ◽  
Layer Assembly

The application of an oppositely charged dual polymer system is a promising approach to enhance paper strength. In this work, modified chitosan (MCN), a cationic polymer, and carboxymethyl cellulose (CMC), an anionic polymer, were used sequentially to improve paper strength. The adsorption of MCN on cellulose fibers was analyzed via polyelectrolyte titration. The formation of MCN/CMC complex in water and the deposition of this complex on silicon wafers were investigated by means of atomic force microscope and quasi-elastic light scattering techniques. The results showed that paper strength was enhanced slightly with a layer-by-layer assembly of the polymers. However, if the washing stage, which was required for layer-by-layer assembly, was eliminated, the MCN/CMC complex was deposited on fibers more efficiently, and the paper strength was improved more significantly. The significant improvement was attributed to the extra development of fiber bonding, confirmed further by scanning electron microscope observation of the bonding area of fibers treated with or without washing. However, the brightness of papers was somewhat decreased by the deposition of the complex on fibers. Higher paper strength also was achieved using rapid drying rather than air drying.

Stabilization of starch-based microgel-lysozyme complexes using a layer-by-layer assembly technique

2017 ◽  
Vol 214 ◽  
pp. 213-217 ◽  
Author(s):  
Bao Zhang ◽  
Yi Pan ◽  
Hanqing Chen ◽  
Tengfei Liu ◽  
Han Tao ◽  
...  
Keyword(s):  
Layer By Layer ◽  
Layer By Layer Assembly ◽  
Assembly Technique ◽  
Layer Assembly

Layer-by-layer assembly of hemoglobin and gold nanoparticles for enhancing the ability of oxygen carrying

2016 ◽  
Vol 363 ◽  
pp. 566-571 ◽  
Author(s):  
Lijun Sun ◽  
Xiaojun Liu ◽  
Qiaoling Sun ◽  
Meng Cai ◽  
Jiajing Zhou ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Layer By Layer ◽  
Layer By Layer Assembly ◽  
Layer Assembly
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