Ordered arrays of self-assembled lipid tubules: fabrication and applications

Fang, Jiyu

doi:10.1039/b705350a

Cited by 52 publications

(46 citation statements)

References 91 publications

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“…Well‐aligned and highly ordered chiral architectures are thought to be highly suitable for applications in photonics, sensing, and separation . Lee et al reported a process that produced a long‐range‐ordered, supramolecular assembly showing hierarchical organization and a helical twist ( Figure ) .…”

Section: Hierarchical Assemblymentioning

confidence: 99%

Chiral Nanoarchitectonics: Towards the Design, Self‐Assembly, and Function of Nanoscale Chiral Twists and Helices

et al. 2015

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Helical structures such as double helical DNA and the α-helical proteins found in biological systems are among the most beautiful natural structures. Chiral nanoarchitectonics, which is used here to describe the hierarchical formation and fabrication of chiral nanoarchitectures that can be observed by atomic force microscopy (AFM), scanning tunneling microscopy (STM), scanning electron microscopy (SEM), or transmission electron microscopy (TEM), is one of the most effective ways to mimic those natural chiral nanostructures. This article focuses on the formation, structure, and function of the most common chiral nanoarchitectures: nanoscale chiral twists and helices. The types of molecules that can be designed and how they can form hierarchical chiral nanoarchitectures are explored. In addition, new and unique functions such as amplified chiral sensing, chiral separation, biological effects, and circularly polarized luminescence associated with the chiral nanoarchitectures are discussed.

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Section: Hierarchical Assemblymentioning

confidence: 99%

Chiral Nanoarchitectonics: Towards the Design, Self‐Assembly, and Function of Nanoscale Chiral Twists and Helices

et al. 2015

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“…An individual LNT has thus been found to be useful as a nanoreactor and/or nano-assay device [23][24][25][26][27][28]. Correspondingly, a variety of techniques has been developed for manipulating and integrating LNTs into ordered nanocapillary arrays [29][30][31][32][33][34][35][36]. * frusawa.hiroshi@kochi-tech.ac.jp Despite the numerous attempts, there remain unresolved issues in creating nanofluidic devices of LNT arrays [21,[34][35][36][37][38][39][40][41].…”

mentioning

confidence: 99%

“…Correspondingly, a variety of techniques has been developed for manipulating and integrating LNTs into ordered nanocapillary arrays [29][30][31][32][33][34][35][36]. * frusawa.hiroshi@kochi-tech.ac.jp Despite the numerous attempts, there remain unresolved issues in creating nanofluidic devices of LNT arrays [21,[34][35][36][37][38][39][40][41]. Here we address the methodological challenges associated with the following: (i) sufficient total output, (ii) efficient transport and reaction inside the hollow cylinder, and (iii) no addition of binder molecules to keep the native outer surfaces.…”

mentioning

confidence: 99%

Electric moulding of dispersed lipid nanotubes into a nanofluidic device

Frusawa

Manabe

Kagiyama

et al. 2013

Sci Rep

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Hydrophilic nanotubes formed by lipid molecules have potential applications as platforms for chemical or biological events occurring in an attolitre volume inside a hollow cylinder. Here, we have integrated the lipid nanotubes (LNTs) by applying an AC electric field via plug-in electrode needles placed above a substrate. The off-chip assembly method has the on-demand adjustability of an electrode configuration, enabling the dispersed LNT to be electrically moulded into a separate film of parallel LNT arrays in one-step. The fluorescence resonance energy transfer technique as well as the digital microscopy visualised the overall filling of gold nanoparticles up to the inner capacity of an LNT film by capillary action, thereby showing the potential of this flexible film for use as a high-throughput nanofluidic device where not only is the endo-signalling and product in each LNT multiplied but also the encapsulated objects are efficiently transported and reacted.

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“…Recent developments in the fi eld of stimuli-responsive poly meric dispersants have attracted much attention as a possible way to resolve this issue. [12][13][14][15] To act as nanocontainers for the dispersion of carbon nanomaterials in water, nanotubes require a hydrophilic outer surface and a hydrophobic nanochannel. [8][9][10] Non-covalently bonded polymer nanotubes, so-called "supramolecular nanotubes", [ 11 ] are formed by self-assembly of well-designed amphiphiles in solvents and are potential candidates as nanocontainers for the dispersion of carbon nanomaterials.…”

Section: Introductionmentioning

confidence: 99%

“…Nanotubes are able to not only encapsulate low-molecular-weight molecules (e.g., drugs), biomacromolecules (e.g., DNA and proteins), and nanoparticles in nanochannels with inner diameters of 5 − 100 nm, but also release those guests to bulk media. [12][13][14][15] To act as nanocontainers for the dispersion of carbon nanomaterials in water, nanotubes require a hydrophilic outer surface and a hydrophobic nanochannel. In the past, however, nanotubes have had a hydrophilic outer surface and nanochannel or a hydrophobic outer surface and nanochannel, the former being prepared in water (or organic solvents with high polarities) and the latter in organic solvents with low polarities.…”

Section: Introductionmentioning

confidence: 99%

Soft Nanotubes with a Hydrophobic Channel Hybridized with Au Nanoparticles: Photothermal Dispersion/Aggregation Control of C60 in Water

Ishikawa

Kameta

Aoyagi

et al. 2012

Adv Funct Materials

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Simple glycolipid N‐alkaroyl‐β‐D‐glucopyranosylamine 1(n) selectively self‐assembles into sheets in water, nanotubes in alcohols, and helical nanocoils in toluene. All self‐assemblies consist of bilayer membranes in which 1(n) packed in an interdigitated fashion. The outer surface of the sheet is covered with the hydrophilic glucose headgroup of 1(n), whereas those of the nanotube and helical nanocoil are covered with the hydrophobic alkyl‐chain tail of 1(n). Heat treatment of the nanotube in the presence of water induces a rearrangement of the molecular packing of the outermost surface that allows the nanotube to become an effective nanocontainer for the dispersion of fullerene (C60) in water, a result of the ability of the hydrophilic outer surface of the nanotube and the hydrophobic nanochannel to encapsulate C60. The nanotube also exhibits photothermal characteristics after being hybridized with Au nanoparticles (AuNPs). The photothermal effect of the AuNPs allows the nanotube to unfold its tubular morphology and leads to compulsive release of the encapsulated C60 to the bulk water. Application of other nanotubes with similar photostimulated transformation ability should facilitate control of the dispersion/aggregation of other carbon nanomaterials, functional aromatic compounds, and drugs with low solubility in water.

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Ordered arrays of self-assembled lipid tubules: fabrication and applications

Cited by 52 publications

References 91 publications

Chiral Nanoarchitectonics: Towards the Design, Self‐Assembly, and Function of Nanoscale Chiral Twists and Helices

Chiral Nanoarchitectonics: Towards the Design, Self‐Assembly, and Function of Nanoscale Chiral Twists and Helices

Electric moulding of dispersed lipid nanotubes into a nanofluidic device

Soft Nanotubes with a Hydrophobic Channel Hybridized with Au Nanoparticles: Photothermal Dispersion/Aggregation Control of C60 in Water

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