Halloysite Nanotubes
Halloysite Nanotubes - Related Videos
06:26
Pulling Membrane Nanotubes from Giant Unilamellar Vesicles
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Cited by 42 •
2017
Many proteins in the cell sense and induce membrane curvature. We describe a method to pull membrane nanotubes from lipid vesicles to study the interaction of proteins or any curvature-active molecule with curved membranes in vitro.
10:26
Transport of Surface-modified Carbon Nanotubes through a Soil Column
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Cited by 5 •
2015
Surface properties of a nanoparticle are important for their interaction with the surrounding medium. Therefore the surface modification of carbon nanotubes can be critical for their transport and retention through porous media. Here, lab scale column experiments are used to understand the possible transport and retention of these nanoparticles.
13:37
Template Directed Synthesis of Plasmonic Gold Nanotubes with Tunable IR Absorbance
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Cited by 1 •
2013
Solution-suspendable gold nanotubes with controlled dimensions can be synthesized by electrochemical deposition in porous anodic aluminum oxide (AAO) membranes using a hydrophobic polymer core. Gold nanotubes and nanotube arrays hold promise for applications in plasmonic biosensing, surface-enhanced Raman spectroscopy, photo-thermal heating, ionic and molecular transport, microfluidics, catalysis and electrochemical sensing.
08:00
DNA Nanotubes as a Versatile Tool to Study Semiflexible Polymers
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Cited by 5 •
2017
Semiflexible polymers display unique mechanical properties that are extensively applied by living systems. However, systematic studies on biopolymers are limited since properties such as polymer rigidity are inaccessible. This manuscript describes how this limitation is circumvented by programmable DNA nanotubes, enabling experimental studies on the impact of filament rigidity.
11:09
Grafting Multiwalled Carbon Nanotubes with Polystyrene to Enable Self-Assembly and Anisotropic Patchiness
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Cited by 5 •
2018
A procedure for the synthesis of polystyrene-grafted multiwalled carbon nanotubes using successive chemical modification steps to selectively introduce the polymer chains to the sidewalls and their self-assembly via anisotropic patchiness is presented.
FAQs
The oppositely charged surfaces created by the aluminosilicate layers support different loading locations. Molecules can be placed inside the hollow lumen or adsorbed onto the exterior, depending on their interactions with these surfaces. This spatial separation allows researchers to design cargo arrangements that suit a specific bioengineering purpose, such as delivery or surface-associated biological activity.
Release is governed by several interacting factors rather than a single mechanism. Diffusion moves molecules from the nanotube structure, while surface interactions can retain or slow their movement. Environmental conditions also influence release behavior. Considering these variables helps researchers adjust how quickly drugs, proteins, or other biomolecules become available in a biological formulation.
Chemical modification expands the ways these nanotubes can function within a biomaterial. It can help tailor interactions with loaded molecules or surrounding components, supporting designs that combine delivery with another biological role. This adaptability is valuable when one formulation must provide more than cargo transport, such as contributing to sensing, antimicrobial action, or tissue regeneration.
The intended biological function guides the loading strategy. Encapsulating molecules in the lumen places them within the nanotube interior, whereas exterior adsorption positions them at the material surface. Researchers can therefore match location to the desired interaction and release behavior, using the distinct surface environments to organize drugs, proteins, or other biomolecules within a formulation.
In tissue-engineering materials, these nanotubes can serve as components of formulations designed to deliver biologically active molecules while contributing nanoscale structural functionality. Their lumen and surfaces provide locations for incorporating drugs, proteins, or biomolecules, and release can respond to diffusion, surface interactions, and environmental conditions. This supports material designs aimed at controlled biological performance.
Their applications extend to biosensors, antimicrobial formulations, and regenerative materials. In biosensors, their modifiable surfaces and molecular-loading capacity can support functional material design. Antimicrobial and regenerative formulations can likewise use their ability to carry or present biomolecules. These uses demonstrate how one nanotube platform can connect molecular organization with different biological outcomes.