Surface-string Interaction

Surface-string interaction describes how a string-like structure, such as a polymer, filament, or biological fiber, contacts and responds to a surface. The interaction depends on surface chemistry, charge, roughness, and physical forces including adhesion, electrostatic attraction, van der Waals forces, and friction, which can determine whether the string adsorbs, slides, bends, or detaches. In biology, these principles help explain how fibrous molecules and cellular structures attach to membranes, extracellular materials, or engineered biomaterials. Studying surface-string interactions supports research on cell adhesion, molecular transport, biomaterial design, and the mechanical behavior of biological interfaces.

Surface-string Interaction - Related Videos

Research

JoVE EoE - Biomolecular Interaction Detection Techniques

Surface Plasmon Resonance to Study Biomolecular Interactions Using a Sensor Chip

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2025

This video describes the surface plasmon resonance, or SPR, technique for studying the interaction between two molecules using a sensor chip. The change in resonance angle and the intensity of the reflected light are detected as a function of the association and dissociation of two molecules, and this provides information about the interactions between the two molecules.

Micropatterned Surfaces to Study Hyaluronic Acid Interactions with Cancer Cells

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Cited by 11 •

2010

A novel approach that allows the high-resolution analysis of cancer cell interactions with exogenous hyaluronic acid (HA) is described. Patterned surfaces are fabricated by combining carbodiimide chemistry and microcontact printing.

Research

JoVE Journal - Biology
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In-vivo Detection of Protein-protein Interactions on Micro-patterned Surfaces

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Cited by 7 •

2010

This video shows experiments with subsequent analysis of protein-protein interactions by the use of micro-patterned surfaces. The approach offers the possibility to detect protein interactions in living cells and combines high throughput capabilities with the possibility to extract quantitative information.

Education

JoVE Core - Physics

Problem-Solving: Tuning of a Guitar String

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2023

In the case of stringed instruments like the guitar, the elastic property that determines the speed of the sound produced is its linear mass density or the mass per unit length. This is simply called the linear density. If the string's linear density is constant along the string, then the linear density is simply the total mass divided by the total length. The string's wave speed can be regulated by varying the linear density. Tension is the other property that determines the speed of...

Research

JoVE Journal - Biology
Free Sample

Avidity-based Extracellular Interaction Screening (AVEXIS) for the Scalable Detection of Low-affinity Extracellular Receptor-Ligand Interactions

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Cited by 56 •

2012

AVEXIS is a high throughput protein interaction assay developed to systematically screen for novel extracellular receptor-ligand pairs involved in cellular recognition processes. It is specifically designed to detect transient protein interactions that are difficult to identify using other high throughput approaches.

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