Scaffold Design
Scaffold Design - Related Videos
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.
08:06
Interview: Bioreactors and Surfaced-Modified 3D-Scaffolds for Stem Cell Research
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2008
In the past many in vitro culture systems -- mainly monolayer cultures -- often suffered from the disadvantage that differentiated primary cells had a relatively short life-span and de-differentiated during culture. As a consequence, most of their organ-specific functions were lost rapidly. Thus, in order to reproduce better conditions for these cells in vitro, modifications and adaptations have been made to conventional monolayer cultures.
09:32
Electrospun Nanofiber Scaffolds with Gradations in Fiber Organization
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Cited by 5 •
2015
Here, we present a protocol to fabricate electrospun nanofiber scaffolds with gradated organization of fibers and explore their applications in regulating cell morphology/orientation. Gradients with regard to physical and chemical properties of the nanofiber scaffolds offer a wide variety of applications in the biomedical field.
14:49
Self-reporting Scaffolds for 3-Dimensional Cell Culture
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Cited by 7 •
2013
Biocompatible pH responsive sol-gel nanosensors can be incorporated into poly(lactic-co-glycolic acid) (PLGA) electrospun scaffolds. The produced self-reporting scaffolds can be used for in situ monitoring of microenvironmental conditions whilst culturing cells upon the scaffold. This is beneficial as the 3D cellular construct can be monitored in real-time without disturbing the experiment.
FAQs
Material choice influences which physical and chemical cues cells encounter. In Scaffold Design, designers adjust the material together with surface chemistry, mechanical properties, porosity, architecture, and degradation rate rather than treating it as an isolated variable. These choices can regulate cell adhesion, migration, nutrient transport, and extracellular matrix production, helping align the construct with the intended biological function.
Porosity and architecture determine how cells are organized within the three-dimensional structure and how nutrients move through it. Designs with different pore features can therefore alter cell migration and nutrient transport, while also influencing extracellular matrix production. Controlling these parameters is important when the scaffold must support tissue formation or maintain an organized cellular environment.
Mechanical properties and degradation rate help determine whether a scaffold remains compatible with its intended physiological setting. Designers tune these characteristics alongside material and architecture so the structure can support tissue-related processes while changing over time at a selected rate. This coordination matters because scaffold behavior affects cell organization, migration, and extracellular matrix production.
3D printing, electrospinning, and hydrogel crosslinking provide different routes for creating three-dimensional scaffolds. The fabrication method is selected as part of matching the structure to the target tissue and its physiological conditions. In practice, designers use the chosen route to realize a combination of material, porosity, architecture, mechanical properties, surface chemistry, and degradation characteristics.
A practical design sequence begins by identifying the target tissue or biological use, then tuning material, porosity, architecture, mechanical properties, surface chemistry, and degradation rate. Designers select a fabrication approach such as 3D printing, electrospinning, or hydrogel crosslinking, aiming to regulate cell adhesion, migration, nutrient transport, and extracellular matrix production.
It supports several distinct research goals: tissue regeneration seeks functional replacements, organoid culture provides a structured environment for growing organoids, drug delivery uses scaffolds for controlled biological interactions, and disease modeling uses them to study cellular behavior. Across these applications, scaffold parameters help investigate or direct how physical environments influence cells and tissue-related outcomes.