Dip Coating Transfer
Dip Coating Transfer - Related Videos
13:21
Graphene Coatings for Biomedical Implants
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Cited by 37 •
2013
Graphene offers potential as a coating material for biomedical implants. In this study we demonstrate a method for coating nitinol alloys with nanometer thick layers of graphene and determine how graphene may influence implant response.
01:33
Coat Assembly and GTPases
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2023
Vesicles incorporate different coat protein subunits in different cell locations, which changes the properties of the coat, such as the shape and geometry of the transport vesicles. Thus, vesicle coat proteins also play a significant role in cargo selection. Coat assembly depends on the local availability of phosphatidylinositol phosphates or PIPs and GTP-binding proteins. Adaptor proteins, which link the coat proteins to the membrane, bind to these PIPs and play a crucial role in controlling...
01:12
Clathrin Coated Vesicles
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2023
Clathrin-coated vesicles use endocytosis to transport receptors and lysosomal hydrolases from the Golgi to the lysosome in the late secretory pathway. Clathrin-mediated endocytosis was the first described endocytic process, and Clathrin-coated vesicles remain one of the most well-studied transport vesicles. The molecular machinery that generates clathrin-coated vesicles comprises over 50 proteins that precisely coordinate vesicle formation. Cell surface receptors concentrated in indented sites...
00:59
COP Coated Vesicles
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2023
Membrane-enclosed structures called vesicles transport proteins and lipids across the cell. The vesicles derive their cargo from the plasma membrane, Golgi, ER, or endosome. Coated vesicles are spherical, protein-coated carriers with a 50–100 nm diameter that mediate bidirectional transport between the ER and the Golgi. The distribution of proteins between the ER and Golgi complex is dynamic and is maintained by different coated vesicles. Their formation is driven by the assembly of different...
01:32
Pinching-off of Coated Vesicles
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2023
Vesicle budding is orchestrated by distinct cytosolic proteins such as adaptor proteins, coat proteins, and GTPases. To initiate vesicle budding, membrane-bending proteins containing crescent-shaped BAR domains bind to the lipid heads in the bilayer and distort the membrane to form a protein-coated vesicle bud. Adaptors proteins such as AP2 for clathrin-coated vesicles can nucleate on the deformed membrane. Finally, coat proteins such as clathrin or COPI and COPII assemble into a coat forming...
FAQs
Withdrawal speed changes the balance between viscous drag and surface effects as the substrate leaves the coating solution. This balance controls how much liquid and suspended or dissolved material remains attached to the surface, making speed a primary variable for controlling film thickness. Consistent withdrawal conditions are therefore important when researchers seek reproducible thin-film properties.
Surface tension shapes the meniscus that forms between the liquid and the withdrawing substrate, while solvent evaporation changes the coating as it remains on the surface. Their combined effects influence the final amount of material and the resulting film thickness. Controlling these conditions helps researchers obtain coatings with more consistent physical and chemical characteristics.
Solution viscosity affects how strongly the liquid resists flow as the substrate is withdrawn. Since viscous drag carries the coating upward, changes in viscosity alter the amount of material retained and therefore the film thickness. This consideration applies both to solutions containing polymers and to suspensions containing materials such as nanoparticles or catalysts.
The process begins by immersing a solid substrate in the selected coating solution or suspension. The substrate is then withdrawn under controlled conditions so that a meniscus carries material onto its surface. During and after withdrawal, solvent evaporation contributes to film formation. Controlling withdrawal conditions and solution properties supports the production of uniform thin coatings.
Dip Coating Transfer deposits material from a liquid interface rather than requiring a flat, permanently exposed surface. This allows the method to support coatings on solid substrates with varied shapes, provided the substrate can be immersed and withdrawn through the coating medium. That flexibility is useful for surface modification and for applying functional layers to differently shaped components.
In chemistry, the method can apply polymers, nanoparticles, catalysts, and functional molecular layers to solid surfaces. These coatings support research in sensors, energy devices, corrosion protection, and surface modification. The resulting films can therefore provide either a functional chemical layer or a protective surface treatment, depending on the deposited material and intended application.