Physical and Mechanical Properties of Composite Scaffolds with or without Collagen Impregnation Article Swipe
Jordi Marcos
,
Vittoria Perrotti
,
Flavia Iaculli
,
Águedo Aragonês
,
César Augusto Magalhães Benfatti
,
Gabriel Leonardo Magrin
,
Adriano Piattelli
,
Marco Aurélio Bianchini
·
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.3390/app9204296
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.3390/app9204296
This in vitro study aimed at evaluating the physical and mechanical properties of newly developed scaffolds of poly (lactic-co-glycolic acid) (PLGA) and biphasic ceramic (Hydroxyapatite HA + beta-tricalciumphosphate β-TCP) with or without collagen impregnation to be used for bone regeneration in the oral and maxillofacial district. Solvent casting and particle leaching techniques were used to produce the scaffolds, which were then divided into six groups according to PLGA/HA + β-TCP ratio and impregnation with collagen: G1 (50/50) + collagen; G2 (60/40) + collagen; G3 (40/60) + collagen; G4 (50/50); G5 (60/40); G6 (40/60). As control group, inorganic xenogenous bone was used. Structure and porosity were evaluated by scanning electron microscopy, and a chemical analysis was performed through an energy-dispersive spectrometer. Moreover, to evaluate the hydrophilicity of the samples, a wettability test was conceived, and finally, mechanical properties were examined by a compression test. High porosity and interconnectivity, resulting in a large surface area and great fluid retention capacity, were presented by the PLGA/HA + β-TCP scaffolds. In the composite groups, collagen increased the wettability and the mechanical resistance, although the latter was not statistically affected by the percentage of HA + β-TCP added. Further in vitro and in vivo studies are needed for a deeper understanding of the influence of collagen on the biological behavior of the developed composite materials and their potential, namely biocompatibility and bioactivity, for bone tissue regeneration.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/app9204296
- https://www.mdpi.com/2076-3417/9/20/4296/pdf?version=1571812939
- OA Status
- gold
- Cited By
- 7
- References
- 43
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W2980822350
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2980822350Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/app9204296Digital Object Identifier
- Title
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Physical and Mechanical Properties of Composite Scaffolds with or without Collagen ImpregnationWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2019Year of publication
- Publication date
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2019-10-12Full publication date if available
- Authors
-
Jordi Marcos, Vittoria Perrotti, Flavia Iaculli, Águedo Aragonês, César Augusto Magalhães Benfatti, Gabriel Leonardo Magrin, Adriano Piattelli, Marco Aurélio BianchiniList of authors in order
- Landing page
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https://doi.org/10.3390/app9204296Publisher landing page
- PDF URL
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https://www.mdpi.com/2076-3417/9/20/4296/pdf?version=1571812939Direct link to full text PDF
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
- OA URL
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https://www.mdpi.com/2076-3417/9/20/4296/pdf?version=1571812939Direct OA link when available
- Concepts
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PLGA, Materials science, Composite number, Biocompatibility, Biomedical engineering, Porosity, Interconnectivity, Composite material, Wetting, Scanning electron microscope, Swelling, Chemical engineering, Nanotechnology, Nanoparticle, Computer science, Artificial intelligence, Medicine, Metallurgy, EngineeringTop concepts (fields/topics) attached by OpenAlex
- Cited by
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7Total citation count in OpenAlex
- Citations by year (recent)
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2024: 3, 2023: 1, 2021: 1, 2020: 2Per-year citation counts (last 5 years)
- References (count)
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43Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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