Zinc Oxide Templating
Zinc Oxide Templating - Related Videos
06:42
Preparation of Zinc Oxide Nanoparticles and the Evaluation of their Antibacterial Effects
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Cited by 6 •
2024
In this study, zinc oxide nanoparticles were synthesized using a precipitation method. The antibacterial effect of the synthesized particles was tested against multidrug-resistant methicillin-resistant Staphylococcus aureus (MRSA) and Pseudomonas aeruginosa bacterial strains.
06:39
Aerosol-assisted Chemical Vapor Deposition of Metal Oxide Structures: Zinc Oxide Rods
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Cited by 19 •
2017
Columnar zinc oxide structures in the form of rods are synthesized via aerosol-assisted chemical vapor deposition without the use of pre-deposited catalyst-seed particles. This method is scalable and compatible with various substrates based on either silicon, quartz or polymers.
12:47
Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO2-Ag Nanowires Made by Templated Electrodeposition
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Cited by 1 •
2014
Procedures are outlined to prepare segmented and coaxial nanowires via templated electrodeposition in nanopores. As examples, segmented nanowires consisting of Ag and ZnO segments, and coaxial nanowires consisting of a TiO2 shell and a Ag core were made. The nanowires were used in photocatalytic hydrogen formation experiments.
07:55
Characterizing Mammalian Zinc Transporters Using an In Vitro Zinc Transport Assay
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Cited by 1 •
2023
Zinc transport has proven challenging to measure due to the weak causal links to protein function and the low temporal resolution. This protocol describes a method for monitoring, with high temporal resolution, Zn2+ extrusion from living cells by utilizing a Zn2+ sensitive fluorescent dye, thus providing a direct measure of Zn2+ efflux.
08:49
Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films
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Cited by 8 •
2014
Various procedures are outlined to prepare atomically defined templates for epitaxial growth of complex oxide thin films. Chemical treatments of single crystalline SrTiO3 (001) and DyScO3 (110) substrates were performed to obtain atomically smooth, single terminated surfaces. Ca2 Nb3 O10- nanosheets were used to create atomically defined templates on arbitrary substrates.
FAQs
The template’s geometry establishes the pattern and dimensions that the deposited material can reproduce, while processing conditions influence how that material forms around or within the ZnO structure. After removal, these factors determine whether the result is a porous or inverse-replicated architecture and control its micro- or nanoscale features.
Selective chemical dissolution removes the ZnO without serving as the permanent structural material, allowing the deposited target material to retain the template’s architecture. This separation between fabrication and removal produces an inverse replica or porous structure, making it possible to create controlled features that would otherwise be difficult to form directly.
Porous and finely patterned architectures can provide greater surface area than less structured forms, creating more interface for cellular or molecular interactions. Their controlled features can also regulate transport through the structure. In bioengineering, these effects are relevant when researchers need to influence how materials interact with cells, biomolecules, or delivered substances.
The outcome depends on how the target material is deposited relative to the ZnO pattern and how the template is subsequently removed. Material placed around or within the patterned structure can preserve different aspects of its geometry. Dissolution then reveals the resulting architecture, with template design and processing conditions influencing the final form.
A typical workflow begins by preparing a patterned ZnO structure, followed by depositing the target material around or within that template. The ZnO is then selectively dissolved through chemical treatment. Once the temporary mold has been removed, the remaining material forms the intended porous or inverse-replicated micro- or nanoscale architecture.
Researchers may choose this strategy when a biomaterial requires controlled micro- or nanoscale architecture rather than an unstructured surface or bulk form. The approach is particularly relevant when surface area, transport, or cellular and molecular interactions must be adjusted through geometry. These needs arise in tissue engineering, biosensors, drug delivery, and engineered interfaces.
The method can produce architectures with tailored porosity, inverse replication, and controlled feature dimensions. Such outcomes may support increased surface area and regulated transport, two properties that affect interactions with cells or molecules. Consequently, the resulting materials can be investigated for tissue-engineering constructs, biosensing platforms, drug-delivery systems, and other bioengineered interfaces.