A diquat-containing macrocyclic anion acceptor in pure water

2019 ◽  
Vol 55 (57) ◽  
pp. 8297-8300 ◽  
Author(s):  
Ye Lei ◽  
Libo Shen ◽  
Ji-Ren Liu ◽  
Tianyu Jiao ◽  
Yang Zhang ◽  
...  
Keyword(s):  
Pure Water ◽  
Anion Recognition ◽  
High Yield ◽  
Recognition Ability ◽  
Self Assembled

A self-assembled diquat-containing tetracationic macrocycle is obtained in a high yield, which demonstrates its anion recognition ability in pure water.

Nanoscale Self-Assembly Using Ion and Electron Beam Techniques: A Rapid Review

MRS Advances ◽  
2020 ◽  
Vol 5 (64) ◽  
pp. 3507-3520
Author(s):  
Chunhui Dai ◽  
Kriti Agarwal ◽  
Jeong-Hyun Cho
Keyword(s):  
Electron Beam ◽  
Self Assembly ◽  
Ion Beam ◽  
Three Dimensional ◽  
The Self ◽  
Stress Generation ◽  
Rapid Review ◽  
High Yield ◽  
3D Nanostructures ◽  
Self Assembled

AbstractNanoscale self-assembly, as a technique to transform two-dimensional (2D) planar patterns into three-dimensional (3D) nanoscale architectures, has achieved tremendous success in the past decade. However, an assembly process at nanoscale is easily affected by small unavoidable variations in sample conditions and reaction environment, resulting in a low yield. Recently, in-situ monitored self-assembly based on ion and electron irradiation has stood out as a promising candidate to overcome this limitation. The usage of ion and electron beam allows stress generation and real-time observation simultaneously, which significantly enhances the controllability of self-assembly. This enables the realization of various complex 3D nanostructures with a high yield. The additional dimension of the self-assembled 3D nanostructures opens the possibility to explore novel properties that cannot be demonstrated in 2D planar patterns. Here, we present a rapid review on the recent achievements and challenges in nanoscale self-assembly using electron and ion beam techniques, followed by a discussion of the novel optical properties achieved in the self-assembled 3D nanostructures.

scholarly journals Bio-surface engineering with DNA scaffolds for theranostic applications

2018 ◽  
Vol 4 (1) ◽  
pp. 1-16 ◽  
Author(s):  
Xiwei Wang ◽  
Wei Lai ◽  
Tiantian Man ◽  
Xiangmeng Qu ◽  
Li Li ◽  
...  
Keyword(s):  
Recent Progress ◽  
Surface Engineering ◽  
Dna Nanotechnology ◽  
Three Dimensions ◽  
High Yield ◽  
Biological Applications ◽  
Dna Nanostructures ◽  
Surface Functionality ◽  
Recognition Ability ◽  
Theranostic Applications

Abstract Biosensor design is important to bioanalysis yet challenged by the restricted target accessibility at the biomolecule-surface (bio-surface). The last two decades have witnessed the appearance of various “art-like” DNA nanostructures in one, two, or three dimensions, and DNA nanostructures have attracted tremendous attention for applications in diagnosis and therapy due to their unique properties (e.g., mechanical flexibility, programmable control over their shape and size, easy and high-yield preparation, precise spatial addressability and biocompatibility). DNA nanotechnology is capable of providing an effective approach to control the surface functionality, thereby increasing the molecular recognition ability at the biosurface. Herein, we present a critical review of recent progress in the development of DNA nanostructures in one, two and three dimensions and highlight their biological applications including diagnostics and therapeutics. We hope that this review provides a guideline for bio-surface engineering with DNA nanostructures.

Supramolecular chemistry of helical foldamers at the solid–liquid interface: self-assembled monolayers and anion recognition

2019 ◽  
Vol 55 (58) ◽  
pp. 8426-8429 ◽  
Author(s):  
Catherine Adam ◽  
Lara Faour ◽  
Valérie Bonnin ◽  
Tony Breton ◽  
Eric Levillain ◽  
...  
Keyword(s):  
Supramolecular Chemistry ◽  
Anion Recognition ◽  
Liquid Interface ◽  
Self Assembled Monolayers ◽  
Guest Binding ◽  
Assembled Monolayers ◽  
Self Assembled ◽  
Solid Liquid Interface ◽  
Solid Liquid

Helical foldamers were incorporated in self-assembled monolayers that successfully transduce host–guest binding events.

Self-Assembly Fabrication of High Performance Carbon Nanotubes Based FETs

2003 ◽  
Vol 772 ◽  
Author(s):  
Emmanuel Valentin ◽  
Stephane Auvray ◽  
Arianna Filoramo ◽  
Aline Ribayrol ◽  
Marcelo Goffman ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Self Assembly ◽  
High Performance ◽  
Field Effect Transistors ◽  
High Yield ◽  
Single Wall Carbon Nanotubes ◽  
Single Wall Carbon ◽  
Assembled Monolayers ◽  
Self Assembled

AbstractWe describe the realization of high quality self-assembled single wall carbon nanotube field effect transistors (CNTFET). A method using self-assembled monolayers (SAMs) is used to obtain high yield selective deposition placement of single wall carbon nanotubes (SWNTs) on predefined regions of a substrate. This is achieved with individual or small bundles of SWNTs and with high densities suitable for fabrication of integrated devices. We show that such positioned SWNTs can be electrically contacted to realize high performance transistors, which very well compare with state-of-the-art CNTFETs. We therefore validate the self-assembly approach to reliably fabricate efficient carbon nanotube based devices.

scholarly journals Synthesis of per(5-N-carboxamide-5-dehydroxylmethyl)-β-cyclodextrins and their selective recognition ability utilizing multiple hydrogen bonds

2019 ◽  
Vol 55 (27) ◽  
pp. 3872-3875 ◽  
Author(s):  
Takashi Nakamura ◽  
Sota Yonemura ◽  
Tatsuya Nabeshima
Keyword(s):  
Hydrogen Bonds ◽  
Functional Groups ◽  
Anion Recognition ◽  
Binding Mode ◽  
Selective Recognition ◽  
Recognition Ability ◽  
Multiple Hydrogen Bonds

An amide cyclodextrin with anion recognition ability exhibits unique binding mode in which unsymmetrically arranged functional groups play distinctive roles.

An Ir3L2 complex with anion binding pockets: photocatalytic E–Z isomerization via molecular recognition

2021 ◽  
Author(s):  
Haruka Sunohara ◽  
Kenta Koyamada ◽  
Hiroki Takezawa ◽  
Makoto Fujita
Keyword(s):  
Molecular Recognition ◽  
Anion Binding ◽  
Recognition Ability ◽  
Binding Pockets ◽  
Self Assembled

A molecular host with photosensitizing centers provides photo-responsive host–guest properties based on its molecular recognition ability. Here, we construct a self-assembled photoactive Ir(III) cage-shaped complex that contains anion binding pockets...

Anion recognition in water by a rotaxane containing a secondary rim functionalised cyclodextrin stoppered axle

2015 ◽  
Vol 51 (21) ◽  
pp. 4499-4502 ◽  
Author(s):  
Michal Řezanka ◽  
Matthew J. Langton ◽  
Paul D. Beer
Keyword(s):  
Pure Water ◽  
Anion Recognition ◽  
Water Soluble ◽  
Cyclodextrin Derivatives ◽  
Halide Anions

The synthesis of a water soluble [2]rotaxane is reported using hydrophilic secondary rim functionalised permethylated β-cyclodextrin derivatives as the axle stopper groups. The rotaxane recognises halide anions in pure water with impressive selectivity over sulfate.

scholarly journals Photoinduced electron transfer in a supramolecular triad produced by porphyrin anion-induced electron transfer from tetrathiafulvalene calix[4]pyrrole to Li+@C60

2015 ◽  
Vol 51 (48) ◽  
pp. 9789-9792 ◽  
Author(s):  
Christina M. Davis ◽  
Kei Ohkubo ◽  
Aaron D. Lammer ◽  
Dong Sub Kim ◽  
Yuki Kawashima ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Photoinduced Electron Transfer ◽  
Anion Recognition ◽  
Donor Acceptor ◽  
Self Assembled ◽  
Recognition Motifs

The use of separate recognition motifs, namely anion recognition and donor–acceptor interactions, has allowed the construction of a self-assembled triad.

Orientation of the α-CD component of [2]rotaxanes affects their specific molecular recognition behaviour

2021 ◽  
Author(s):  
Takuya Iwamoto ◽  
Shinobu Miyagawa ◽  
Masaya Naito ◽  
Yuji Tokunaga
Keyword(s):  
Molecular Recognition ◽  
Anion Recognition ◽  
Oh Groups ◽  
Recognition Ability ◽  
Phenol Moiety

An α-CD component enhanced the anion recognition ability of the urea moiety and the deprotonation of the phenol moiety in the axle component in orientationally isomeric [2]rotaxanes with the OH groups on the wide rim of the α-CD, respectively.

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