Hydrophobic Coating
Hydrophobic Coating - Related Videos
03:22
Calcium-Dependent Hydrophobic Interaction Chromatography: A Technique to Purify Calcium-Binding Proteins Based on Hydrophobic Interactions
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2025
In this video, we demonstrate the purification of calcium-binding protein from a dialyzed cell lysate through calcium-dependent hydrophobic interaction chromatography. The calcium-binding proteins expose a hydrophobic region upon binding with calcium, facilitating interaction with a hydrophobic group on resin. Later these proteins are eluted using calcium chelator EDTA that reverses the interaction.
03:46
Butyl-Dependant Hydrophobic Interaction Liquid Chromatography: A Technique to Characterize Antibody-Drug Conjugates Based on Hydrophobic Interactions
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2025
This video demonstrates the hydrophobic interaction liquid chromatography-based characterization of antibody-drug conjugates. Using a butyl ligand-based chromatography column, the antibody-drug conjugates are characterized via hydrophobic interactions with the ligand.
11:16
Hydrophobic Salt-modified Nafion for Enzyme Immobilization and Stabilization
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Cited by 23 •
2012
This article will describe the procedure for synthesizing a hydrophobically modified Nafion enzyme immobilization membrane and how to immobilize proteins and/or enzymes within the membrane and test their specific activity.
02:08
A Hydrophobic Tissue Clearing Method for a Rat Brain Tissue Sample
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2025
Source: Kirchner, K.N., et al., A Hydrophobic Tissue Clearing Method for Rat Brain Tissue. J. Vis. Exp. (2020).This video demonstrates the method of hydrophobic tissue clearing of a rat brain tissue sample. The sample is sequentially dehydrated in methanol, treated with a dichloromethane and methanol mixture to dissolve lipids and pigments, and transferred to dibenzyl ether for complete tissue clearing, enabling detailed imaging without thin sectioning.
05:08
Solubility of Hydrophobic Compounds in Aqueous Solution Using Combinations of Self-assembling Peptide and Amino Acid
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Cited by 4 •
2017
This protocol describes a clinically-applicable means of dissolving hydrophobic compounds in an aqueous environment using combinations of self-assembling peptide and amino acid solutions. Our method resolves a major limitation of hydrophobic therapeutics, which lack safe, efficient means of solubility and delivery methods into clinical settings.
FAQs
Low surface energy reduces the surface’s attraction to water, while texture limits the area where liquid can contact the material. Together, these features increase the apparent contact angle and encourage aqueous liquids to bead, contract, or remain separated. This combined mechanism gives researchers greater control over how media, cell suspensions, and biomolecules occupy a laboratory surface.
The apparent contact angle indicates how readily an aqueous liquid spreads across a treated surface. A larger angle reflects reduced liquid spreading and a more water-repellent interaction, whereas greater spreading indicates stronger surface wetting. In research platforms, this behavior helps relate coating properties to liquid containment, cell-material contact, and the consistency of specialized assays.
The treatment changes the surface properties that cells, culture media, and biomolecules encounter while leaving the underlying material unchanged. By reducing surface affinity and modifying adhesion or wetting, it can alter how suspended cells contact the platform. This separation between surface behavior and bulk composition supports experimental designs that require controlled interfaces without replacing the entire laboratory material.
Controlled adhesion can help determine whether cells remain associated with a treated surface or interact more strongly with one another in suspension. That distinction is relevant when researchers form or handle three-dimensional cell aggregates. A surface that limits unwanted attachment can provide more controlled conditions for studying aggregate behavior and maintaining consistency across experiments.
Researchers can use the altered wetting and adhesion properties to manage how cell suspensions and culture media interact with assay surfaces. This may support specialized cancer research assays in which surface contact needs to be controlled rather than assumed. The resulting platform can help standardize handling conditions while preserving the bulk material used for the experiment.
In cancer research, these treated surfaces can support the formation or handling of three-dimensional cell aggregates, which provide a platform for examining tumor-related behavior in a controlled setting. Their value comes from managing surface interactions during the experiment. This can aid studies that investigate tumor behavior or evaluate therapeutic responses under defined assay conditions.
Consistent wetting and adhesion behavior can reduce uncontrolled differences in how liquids, cells, and biomolecules distribute across a laboratory surface. By making these interactions more predictable, a hydrophobic coating can improve experimental control and reproducibility. This is especially useful for assays involving cell suspensions or aggregate handling, where variable surface contact may influence the experimental outcome.