Surface Immobilization
Surface Immobilization - Related Videos
10:57
Automated System for Single Molecule Fluorescence Measurements of Surface-immobilized Biomolecules
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Cited by 4 •
2009
In this article we describe how we obtain FRET traces from individual DNA molecules immobilized to a surface using an automated scanning confocal microscope.
11:05
Functional Surface-immobilization of Genes Using Multistep Strand Displacement Lithography
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Cited by 1 •
2018
We describe a simple lithographic procedure for the immobilization of gene-length DNA molecules on a surface, which can be used to perform cell-free gene expression experiments on biochips.
02:12
Inducing Depression-like Behavior in a Mouse via Immobilization Stress
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2025
This video demonstrates the method of inducing chronic stress in a mouse through repeated immobilization, leading to corticosterone release and reduced glutamate receptor activity in neurons, which results in depression-like behavior.
11:20
Site-Directed Immobilization of Bone Morphogenetic Protein 2 to Solid Surfaces by Click Chemistry
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Cited by 13 •
2018
Biomaterials doped with Bone Morphogenetic Protein 2 (BMP2) have been used as a new therapeutic strategy to heal non-union bone fractures. To overcome side effects resulting from an uncontrollable release of the factor, we propose a new strategy to site-directly immobilize the factor, thus creating materials with improved osteogenic capabilities.
10:03
Bacterial Immobilization for Imaging by Atomic Force Microscopy
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Cited by 36 •
2011
Live Gram-negative and Gram-positive bacteria can be immobilized on gelatin-coated mica and imaged in liquid using Atomic Force Microscopy (AFM).
FAQs
Adsorption, covalent coupling, affinity binding, and entrapment provide distinct ways to retain biological components at an interface. The choice determines how the component is held and how readily it remains available for interaction. These strategies can be applied to molecules, cells, enzymes, antibodies, nucleic acids, or receptors, depending on the biological experiment or technology.
Surface chemistry determines which attachment interactions are possible, while linker design helps control how a component is positioned at the interface. Together, they influence attachment strength, molecular orientation, and preservation of biological activity. These variables are especially important when immobilized antibodies, nucleic acids, receptors, or enzymes must remain accessible for detection or interaction.
Immobilization is useful only when the attached component remains both localized and functionally available. Attachment strength, orientation, and surface interactions therefore need to support the component’s role rather than merely keep it on the interface. Matching these properties to the intended function helps maintain enzyme catalysis, molecular recognition, or cell-interaction measurements.
A planning workflow begins by identifying the biological component and the solid interface, then selecting adsorption, covalent coupling, affinity binding, or entrapment as the attachment strategy. Surface chemistry and linker design are considered next because they influence strength, orientation, and activity. The resulting interface can then be organized for detection, catalysis, or controlled biological interaction.
When enzymes are localized on a solid interface, they can catalyze reactions repeatedly instead of being used only as freely dispersed components. This repeated catalytic use supports analytical and experimental systems that require a stable reaction-associated surface. The approach therefore combines enzyme activity with a defined interface, helping organize biochemical reactions for continued or controlled use.
Functionalized surfaces carrying antibodies, nucleic acids, or receptors support biosensors, microarrays, diagnostic assays, and cell-interaction studies. Their localization at defined interfaces improves the organization of recognition or interaction events and can enhance detection. In biology, these applications connect surface-controlled molecular placement with analytical measurements and investigations of how cells respond to defined interfaces.