Protein Film Hydration
Protein Film Hydration - Related Videos
09:48
In Situ Characterization of Hydrated Proteins in Water by SALVI and ToF-SIMS
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Cited by 13 •
2016
This work presents a protocol for liquid handling and sample introduction to a microchannel for in situ time-of-flight secondary ion mass spectrometry analysis of protein biomolecules in an aqueous solution.
![Protein Film Infrared Electrochemistry Demonstrated for Study of H<sub>2</sub> Oxidation by a [NiFe] Hydrogenase](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F55858.jpg%3Fv%3D2026-09-28%252016%253A08%253A49&w=750&q=75)
10:01
Protein Film Infrared Electrochemistry Demonstrated for Study of H2 Oxidation by a [NiFe] Hydrogenase
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Cited by 10 •
2017
Here, we describe a technique, protein film infrared electrochemistry, which allows immobilized redox proteins to be studied spectroscopically under direct electrochemical control at a carbon electrode. Infrared spectra of a single protein sample can be recorded at a range of applied potentials and under a variety of solution conditions.
01:24
Hydration of Cement
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2024
Hydration of cement is a chemical reaction between cement particles and water. This process occurs primarily through two mechanisms: through-solution and topochemical. In the through-solution process, anhydrous compounds dissolve into their constituents, hydrates form in the solution, and then precipitate from the supersaturated solution. The topochemical process involves solid-state reactions at the cement particle surface. The through-solution process dominates the topochemical process at the...
02:42
Aqueous Solutions and Heats of Hydration
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2020
Water and other polar molecules are attracted to ions. The electrostatic attraction between an ion and a molecule with a dipole is called an ion-dipole attraction. These attractions play an important role in the dissolution of ionic compounds in water. When ionic compounds dissolve in water, the ions in the solid separate and disperse uniformly throughout the solution because water molecules surround and solvate the ions, reducing the strong electrostatic forces between them. This process...
10:58
Combinatorial Synthesis of and High-throughput Protein Release from Polymer Film and Nanoparticle Libraries
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Cited by 7 •
2012
This method describes the combinatorial synthesis of biodegradable polyanhydride film and nanoparticle libraries and the high-throughput detection of protein release from these libraries.
FAQs
Water molecules form hydrogen bonds with polar amino acid groups in the protein matrix. These interactions compete with and disrupt some protein-protein interactions, allowing protein chains to move more freely. The resulting increase in chain mobility can change how the film deforms, transports substances, adheres to surfaces, and responds to mechanical stress.
As water separates or weakens some interactions between protein chains, the matrix can expand and become more flexible. This behavior is described as swelling or plasticization, depending on the observed response. Greater chain mobility may improve flexibility, but it can also reduce tensile strength or modify permeability and degradation behavior.
The amount of incorporated water determines how strongly the protein matrix is altered. Limited hydration may produce smaller changes in chain mobility, whereas greater hydration can amplify swelling, plasticization, and disruption of protein-protein interactions. Engineers therefore relate hydration levels to the required balance of strength, flexibility, permeability, degradation, and adhesion.
Hydration changes the relationship between the film’s structure and its performance rather than simply adding mass. Compared with the dry state, a hydrated film may have greater chain mobility and flexibility, along with altered tensile strength, permeability, degradation, or adhesion. These differences are important when the film must function under changing environmental conditions.
Engineers can examine hydration together with the film properties it may influence, including tensile strength, flexibility, permeability, degradation, and adhesion. Comparing these outcomes under the environmental conditions relevant to an application helps connect water uptake with performance. This approach supports selection or adjustment of protein-film designs for controlled behavior.
Controlled hydration is relevant to protein coatings, biodegradable packaging, and biomaterial films. In each case, water-driven changes in chain mobility and intermolecular interactions can affect whether the material remains strong, flexible, adherent, or appropriately permeable. Studying these responses helps engineers design films whose performance is suited to their intended environmental conditions.