Hydroxyapatite Scaffold
Hydroxyapatite Scaffold - Related Videos
05:41
Rapid Mix Preparation of Bioinspired Nanoscale Hydroxyapatite for Biomedical Applications
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Cited by 18 •
2017
This paper describes a novel method for the rapid manufacture of high quality bioinspired nanoscale hydroxyapatite. This biomaterial is of great significance in the manufacture of a wide range of innovative medical devices for clinical applications in orthopedics, craniofacial surgery and dentistry.
07:48
Three-Dimensional In Vitro Biomimetic Model of Neuroblastoma Using Collagen-Based Scaffolds
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Cited by 9 •
2021
This paper lists the steps required to seed neuroblastoma cell lines on previously described three-dimensional collagen-based scaffolds, maintain cell growth for a predetermined timeframe, and retrieve scaffolds for several cell growth and cell behavior analyses and downstream applications, adaptable to satisfy a range of experimental aims.
13:46
Separation of Single-stranded DNA, Double-stranded DNA and RNA from an Environmental Viral Community Using Hydroxyapatite Chromatography
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Cited by 5 •
2011
We describe an efficient method to separate single-stranded DNA, double-stranded DNA and RNA molecules from environmental viral communities. Nucleic acids are fractionated using hydroxyapatite chromatography with increasing concentrations of phosphate-containing buffers. This method permits the isolation of all viral nucleic acid types from environmental samples.
09:37
Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold
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Cited by 33 •
2015
Scaffolds capable of fitting within cranio-maxillofacial (CMF) bone defects while exhibiting osteoconductivity and bioactivity are of interest. This protocol describes the preparation of a shape memory scaffold based on polycaprolactone diacrylate (PCL-DA) using a solvent-casting particulate-leaching (SCPL) method employing a fused salt template and application of a bioactive polydopamine coating.
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.
FAQs
Interconnected pores create internal spaces where cells can attach and new tissue can grow into the scaffold. The scaffold surface can also promote osteoconduction, meaning guidance of bone growth along the material. Pore structure therefore affects both cellular access and the way repair progresses through the framework, making architecture a key determinant of how the scaffold supports tissue regeneration.
Hydroxyapatite scaffold performance depends on balancing composition, porosity, mechanical strength, and degradation rate. A design must be matched to the target tissue and clinical need rather than optimized for one property alone. These variables are considered together because the scaffold must provide an appropriate framework while allowing tissue ingrowth and material resorption to support the intended repair.
As the material exchanges ions with its surroundings and gradually resorbs, the scaffold can support deposition of new mineralized matrix. Degradation is therefore not simply a loss of material; its rate becomes a design variable in repair. The selected degradation behavior must suit the intended clinical need so scaffold persistence and new matrix formation can support the same repair objective.
A practical design approach starts by identifying the target tissue and clinical need, then selecting suitable composition, porosity, mechanical strength, and degradation rate. Researchers can use this matching process to distinguish a scaffold intended for bone defect reconstruction from one considered for spinal or dental repair. The outcome is a framework designed around the repair environment rather than a universal specification.
Hydroxyapatite scaffolds are being investigated for bone defect reconstruction, spinal repair, and dental repair. The same material platform can therefore be considered across different anatomical and clinical contexts, but its composition, pore structure, strength, and degradation behavior still require adjustment for the intended use. These applications reflect the need to pair biomaterial design with the specific repair problem.
Beyond three-dimensional defect reconstruction, hydroxyapatite scaffolds are investigated as coatings or carriers for regenerative therapies. These roles broaden their use from supporting tissue ingrowth within a defect to participating in a regenerative treatment strategy. Even in these applications, researchers must consider composition, porosity, mechanical strength, and degradation rate so the material matches the target tissue and clinical need.