Thin Film Adhesive
Thin Film Adhesive - Related Videos
06:32
A Chitosan Based, Laser Activated Thin Film Surgical Adhesive, 'SurgiLux': Preparation and Demonstration
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Cited by 32 •
2012
The fabrication of a novel, flexible thin film surgical adhesive from FDA approved ingredients, chitosan and indocyanine green is described. Bonding of this adhesive to collagenous tissue through a simple activation process with a low-powered infra-red laser is demonstrated.
07:58
Electroplating of Thin Films
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2023
Source: Logan G. Kiefer, Andrew R. Falkowski, and Taylor D. Sparks, Department of Materials Science and Engineering, The University of Utah, Salt Lake City, UT Electroplating is a process that uses electric current to reduce dissolved metal cations so that they form a thin coating on an electrode. Other thin film deposition techniques include chemical vapor deposition (CVD), spin coating, dip coating, and sputter deposition among others. CVD uses a gas-phase precursor of the element to be...
01:14
Adhesion
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2019
Adhesion occurs when one type of molecule is attracted to a different molecule. Water exhibits adhesive properties in the presence of polar surfaces, such as glass or cellulose in plants. For instance, when water is poured into a glass, the positively charged hydrogen molecules of water are more attracted to the negatively charged oxygen molecules in the silica than to the oxygen in neighboring water molecules. Capillary action is a result of water’s adhesive tendencies. When a narrow glass...
10:06
Fabrication and Application of Rose Bengal-chitosan Films in Laser Tissue Repair
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Cited by 23 •
2012
Sutures are usually needed to repair tissue during surgical procedures. However, their application can be problematic as they are invasive and may damage tissue. The fabrication and application methods of a novel tissue adhesive are here reported. This adhesive film is laser-activated and does not require the use of sutures.
07:40
Assay of Adhesion Under Shear Stress for the Study of T Lymphocyte-Adhesion Molecule Interactions
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Cited by 3 •
2016
This flow adhesion assay provides a simple, high impact model of T cell-epithelial cell interactions. A syringe pump is used to generate shear stress, and confocal microscopy captures images for quantification. The goal of these studies is to effectively quantify T cell adhesion using flow conditions.
FAQs
Adhesion strength and behavior depend on the interactions formed at the interface. Hydrogen bonding and electrostatic attraction rely on intermolecular forces, covalent coupling creates chemical links, and physical interlocking uses surface topography. Choosing among these mechanisms allows the film to match the substrate’s chemistry and texture, which is important when joining dissimilar materials in bioengineered interfaces.
Surface chemistry influences which adhesive interactions can form and therefore affects how reliably the film attaches. A substrate’s chemical features may support hydrogen bonding, electrostatic attraction, or covalent coupling, while its topography can contribute to physical interlocking. Considering these properties helps align the film composition and adhesion mechanism with the intended tissue or device interface.
Thickness, compliance, and composition control how the interface conforms and responds to the joined surfaces. A tunable film can remain minimally bulky while accommodating surface topography, and greater compliance can reduce mechanical mismatch between tissue and device. Adjusting these characteristics supports more conformable interfaces for biointegrated technologies and helps the adhesive function without unnecessarily stiffening the connection.
The material can be deposited or cast as a thin layer onto a substrate, where it conforms to the available surface topography. Intimate contact then enables adhesion through the relevant chemical or physical mechanism. This workflow is useful when researchers need a flexible, low-profile connection rather than a bulky adhesive structure, particularly at tissue-device interfaces.
Bioengineers can use these films to attach biological tissues to devices when conformability and reduced mechanical mismatch are important. Their thin, flexible interfaces support biointegrated technologies while limiting bulk at the connection. This makes the approach relevant to tissue-device attachment and wearable biosensors, where an interface must accommodate biological surfaces and device components.
Applications include protecting or encapsulating sensitive components, supporting wound closure, and enabling controlled drug delivery. In each case, the film’s composition, thickness, and compliance can be tuned to the intended interface or function. These capabilities extend thin-film adhesion beyond structural attachment and make it useful across minimally invasive and biointegrated technologies.