Patterned Particles
Patterned Particles - Related Videos
12:33
Origami Inspired Self-assembly of Patterned and Reconfigurable Particles
0 Views •
Cited by 25 •
2013
We describe experimental details of the synthesis of patterned and reconfigurable particles from two dimensional (2D) precursors. This methodology can be used to create particles in a variety of shapes including polyhedra and grasping devices at length scales ranging from the micro to centimeter scale.
07:12
Applying Permanent, Robust Stenciled Patterns of Fine Particles to Elastomeric Surfaces
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2025
We present a method to apply permanent markings and patterns to silicone surfaces by adhering fine particles to the surface. The markings can be either a recognizable design or a random speckle pattern such as those used in digital image correlation.
03:37
Subatomic Particles
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2020
Dalton was only partially correct about the particles that make up matter. All matter is composed of atoms, and atoms are composed of three smaller subatomic particles: protons, neutrons, and electrons. These three particles account for the mass and the charge of an atom. The Discovery of the Electron The first clue about the subatomic structure came at the end of the 19th century when J.J. Thomson discovered the electron using a cathode ray tube. This apparatus consisted of a sealed glass...
07:06
Particle Agglutination Method for Poliovirus Identification
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2011
A recently developed novel particle agglutination (PA) assay utilizing virus receptor molecule allowed a rapid and easy identification of poliovirus (PV). In this article, we will show the procedure for the PA assay for PV identification.
09:57
A Versatile Method of Patterning Proteins and Cells
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Cited by 10 •
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This report describes a simple, easy to perform technique, using low pressure vacuum, to fill microfluidic channels with cells and substrates for biological research.
FAQs
Selective surface functionalization modifies only chosen regions rather than applying one coating uniformly across the entire particle. Different ligands, materials, or charges can therefore occupy defined locations, changing how particles interact with one another and with their surrounding solution. This spatial control can influence colloidal stability and promote directional assembly, where contacts occur preferentially at particular surface regions.
The same chemical components can produce different behavior when their locations on a particle surface change. Arranged domains can control which regions attract, repel, or interact selectively, affecting suspension stability and the formation of ordered assemblies. In chemistry, this links microscopic surface structure to collective behavior, making spatial organization an important design variable alongside the identities of the surface materials.
These processes provide different routes for placing distinct regions at selected surface locations. Phase separation generates separated domains, templating guides material placement through a preorganized structure, and controlled assembly brings components together in a regulated arrangement. The resulting pattern depends on how the process distributes materials or surface functionalities, which ultimately determines the particle's interactions and assembly behavior.
Preparation can rely on selective surface functionalization, phase separation, templating, or controlled assembly. The chosen route determines how different materials, ligands, charges, or wettability domains become positioned. Researchers can therefore select a process according to the type of spatial contrast needed, such as chemical functionality, electrical character, or differences in affinity for the surrounding solution.
Patterned domains can vary the chemical composition, ligand presentation, surface charge, or wettability of different regions. These variables alter particle interactions in solution and can influence whether particles remain colloidally stable or assemble with directional preferences. Such control allows surface structure to be connected systematically with material behavior rather than treating the particle as chemically uniform.
Their spatially organized surfaces support responsive materials, chemical sensors, catalysts, and advanced composites. In each case, the pattern provides a way to regulate interactions or expose different functionalities at selected locations. They also serve as model systems for studying how surface structure governs collective behavior, helping connect particle-scale organization with the performance of larger chemical materials.