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Related Concept Videos

Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

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The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
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Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
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Bone contains a relatively small number of cells entrenched in a matrix of collagen fibers that provide an adherent surface for inorganic salt crystals. Both components of the matrix, organic and inorganic, contribute to the unusual properties of bone. Without collagen, bones would be brittle and shatter easily. Without mineral crystals, bones would flex and provide little support. This can be observed by an experiment: when the minerals of a bone are dissolved by soaking the bone in...
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Related Experiment Video

Updated: Oct 6, 2025

Rapid Mix Preparation of Bioinspired Nanoscale Hydroxyapatite for Biomedical Applications
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Protein-Based Hydroxyapatite Materials: Tuning Composition toward Biomedical Applications.

Anabela Veiga1, Filipa Castro1, Fernando Rocha1

  • 1LEPABE - Laboratory for Process Engineering, Environment, Biotechnology & Energy, Department of Chemical Engineering, Faculty of Engineering of Porto, University of Porto, Porto, Portugal.

ACS Applied Bio Materials
|January 13, 2022
PubMed
Summary
This summary is machine-generated.

Synthetic hydroxyapatite (HAp) combined with proteins creates advanced biomaterials for bone tissue engineering. This review details HAp/protein composites, focusing on their biomedical applications and performance for bone regeneration.

Keywords:
collagencompositesfibrinfibroinhydroxyapatite (HAp)keratinsericin

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Area of Science:

  • Biomaterials Science
  • Biomedical Engineering
  • Materials Chemistry

Background:

  • Synthetic hydroxyapatite (HAp) is crucial for bone tissue engineering, requiring biomechanical and biochemical compatibility.
  • Combining HAp with proteins yields advanced composite biomaterials that are eco-friendly, renewable, and biocompatible.
  • HAp/protein composites have been extensively researched since the late 20th century for biomedical uses.

Purpose of the Study:

  • To review the biomedical relevance of associating hydroxyapatite with specific proteins.
  • To discuss synthesis strategies and their impact on HAp/protein composite properties.
  • To provide insights for designing HAp-based biomaterials for bone regeneration.

Main Methods:

  • Literature review focusing on HAp/protein composite biomaterials.
  • Analysis of synthesis strategies and processing techniques.
  • Evaluation of physicochemical, mechanical, and biological performance data.

Main Results:

  • HAp/protein composites demonstrate significant potential for bone tissue engineering.
  • Specific proteins like fibroin, sericin, fibrin, and keratin enhance HAp properties.
  • Processing methods influence the final composite's shape, performance, and biological activity.

Conclusions:

  • The combination of HAp with proteins offers a promising route for developing superior biomaterials.
  • Understanding synthesis-structure-property relationships is key for optimizing HAp/protein composites for bone regeneration.
  • This review highlights the potential of these composites in advancing biomedical applications for skeletal repair.