Multilayered Scaffolds
Multilayered Scaffolds - Related Videos
12:54
Density Gradient Multilayered Polymerization (DGMP): A Novel Technique for Creating Multi-compartment, Customizable Scaffolds for Tissue Engineering
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Cited by 5 •
2013
Here we describe a unique strategy for creating biocompatible, layered matrices with continuous interfaces between distinct layers for tissue engineering. Such a scaffold could provide an ideal customizable environment to modulate cell behavior by various biological, chemical or mechanical...
05:11
Inkjet-printed Polyvinyl Alcohol Multilayers
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Cited by 4 •
2017
An inkjet printer was used to manufacture polyvinyl alcohol multilayers. Polyvinyl alcohol water-based ink was formulated, and the main physical properties were investigated.
08:35
Elastomeric PGS Scaffolds in Arterial Tissue Engineering
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Cited by 21 •
2011
Elastomeric PGS scaffolds with vascular smooth muscle cells cultured in a pulsatile flow bioreactor may lead to promising small-diameter arterial constructs with native ECM production in a relatively short culture period.
04:33
Decellularized Porcine Esophageal Scaffold Preparation: A Technique to Generate Acellular Scaffold from a Pig Esophagus
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2023
In this video, we demonstrate the preparation of a decellularized pig esophagus scaffold, with its biochemical architecture and composition preserved, for tissue engineering applications.
10:18
Multi-step Variable Height Photolithography for Valved Multilayer Microfluidic Devices
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Cited by 26 •
2017
Multilayer microfluidic devices often involve the fabrication of master molds with complex geometries for functionality. This article presents a complete protocol for multi-step photolithography with valves and variable height features tunable to any application. As a demonstration, we fabricate a microfluidic droplet generator capable of producing hydrogel beads.
FAQs
Each layer can be tuned through its material selection, pore structure, mechanical properties, and biochemical cues. Keeping these features distinct yet integrated allows a scaffold to present different local environments rather than one uniform setting. This organization helps match the varied structural and functional demands found across a tissue interface.
Distinct layers let different cell populations encounter cues suited to their location. The scaffold can therefore support adhesion and migration in one region while promoting proliferation or differentiation in another, according to the intended tissue organization. This spatial arrangement is especially relevant where neighboring tissues have different cellular and functional requirements.
Besides providing physical support, layer-specific pore structures help regulate movement of nutrients and waste through the construct. Transport must operate alongside mechanical properties and biochemical signals, because cells need an environment that supports both exchange and tissue-specific behavior. Coordinating these features may help maintain distinct regions while preserving integration between them.
Design focuses on identifying the tissue regions or interfaces that need to be represented, then assigning each region suitable materials, pore structures, mechanical properties, and biochemical cues. The layers must remain distinct enough to serve their intended cell populations while integrated enough to support transport and continuity. This coordinated planning is central to construct performance.
The approach is particularly relevant to osteochondral defects, where bone and cartilage regions must be addressed together. Applications also include skin, bone, vascular, and other complex-tissue repair. In these settings, separate scaffold regions can reflect differing tissue environments and potentially improve integration across the repair site.
By combining region-specific cues with controlled transport, these constructs are intended to guide adhesion, migration, proliferation, and differentiation while supporting integration and healing. In medicine, their importance lies in addressing repair sites where a single tissue environment is insufficient. Long-term function is a key outcome because complex reconstruction requires coordinated tissue behavior.