Surface Alterations
Surface Alterations - Related Videos
05:53
Biomimetic Replication of Root Surface Microstructure using Alteration of Soft Lithography
0 Views •
Cited by 2 •
2020
Biomimetics has been previously used as a tool to study leaf-microorganism interactions. However, no such tool exists for roots. Here, we develop a protocol to form synthetic surfaces mimicking root surface microstructure for the study of root-environment interactions.
08:49
Impacts of Free-falling Spheres on a Deep Liquid Pool with Altered Fluid and Impactor Surface Conditions
0 Views •
Cited by 10 •
2019
This protocol demonstrates the basic experimental configuration for water entry experiments with free-falling spheres. Methods for the alteration of liquid surface with penetrable fabrics, the preparation of chemically non-wetting spheres, and steps for splash visualization and data extraction are discussed.
01:30
Alterations in Respiration II
0 Views •
2024
There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients. In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes include...
09:45
Detection of Copy Number Alterations Using Single Cell Sequencing
0 Views •
Cited by 9 •
2017
Single cell sequencing is an increasingly popular and accessible tool for addressing genomic changes at high resolution. We provide a protocol that uses single cell sequencing to identify copy number alterations in single cells.
01:06
Altered States of Awareness
0 Views •
2024
Altered states of consciousness represent significant deviations from one's normal mental state. These deviations can range from subtle changes in awareness to profound transformations in perception, thought processes, and sensory experiences. Altered states of consciousness can be triggered by various factors, including drug use, meditation, hypnosis, illness, or even intense fatigue. The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain that...
FAQs
Altering wettability changes how fluids and proteins interact with the material, while surface charge changes the interface’s chemical environment. Those shifts can modify which proteins adsorb and how they present signals to nearby cells. In bioengineering, controlling both properties helps researchers tune cell adhesion and examine why similar bulk materials can produce different biological responses.
Roughness and topography reshape the physical landscape encountered by proteins, cells, and tissues. Changing these features can therefore influence where cells attach, how strongly they remain associated, and how they proliferate at the interface. Studying these variables separately from bulk composition lets bioengineers connect observable biological behavior with specific surface features in implants or scaffolds.
Surface charge and functional groups help determine the chemistry of the material interface. By modifying these features, researchers can change interactions with proteins and cells, which may influence adhesion, proliferation, and immune responses. Examining these variables is therefore important when the goal is not only to support cell attachment, but also to improve biocompatibility or tissue integration.
Keeping the bulk largely unchanged allows researchers to modify interfacial behavior without replacing the material’s underlying structure. This separation is useful when the bulk material is otherwise suitable, but its surface causes poor biological interactions. The approach supports targeted optimization of protein adsorption, cell behavior, immune response, or tissue integration while retaining the original material body.
Evaluation should connect the treatment to measurable interfacial and biological outcomes. Researchers can examine changes in roughness, wettability, charge, and functional groups, then relate them to protein adsorption, cell adhesion, proliferation, and immune responses. This sequence helps identify whether a treatment produced the intended interface and whether that change improves biocompatibility or integration.
Implants, biosensors, and tissue-engineering scaffolds are major application areas because each depends on controlled contact with surrounding biological materials. Altering the interface can support improved biocompatibility, functionality, or tissue integration. The relevant target differs by use: an implant may require better tissue interaction, whereas a biosensor or scaffold may depend on controlled responses at its material boundary.
They provide a way to vary interfacial properties while avoiding substantial changes to the bulk material. Researchers can then relate differences in cell adhesion, proliferation, or immune response to surface roughness, wettability, charge, topography, or functional groups. This experimental strategy helps clarify how material interfaces regulate biological behavior and guides more deliberate biomaterial design.