Multiple-Level Porous Polymer Monoliths with Interconnected Cellular Topology Prepared by Combining Hard Sphere and Emulsion Templating for Use in Bone Tissue Engineering

2017 ◽  
Vol 18 (2) ◽  
pp. 1700306 ◽  
Author(s):  
Muzafera Paljevac ◽  
Lidija Gradišnik ◽  
Saška Lipovšek ◽  
Uroš Maver ◽  
Jiři Kotek ◽  
...  
Keyword(s):  
Tissue Engineering ◽  
Bone Tissue Engineering ◽  
Bone Tissue ◽  
Hard Sphere ◽  
Porous Polymer ◽  
Multiple Level ◽  
Polymer Monoliths ◽  
Emulsion Templating ◽  
Cellular Topology

Nanocomposite porous scaffolds for bone tissue engineering by emulsion templating

2015 ◽  
Vol 213 ◽  
pp. e127 ◽  
Author(s):  
Yang Hu ◽  
Yu Yang ◽  
Meng Hu ◽  
Xiaoyu Gu ◽  
Chaoyang Wang
Keyword(s):  
Tissue Engineering ◽  
Bone Tissue Engineering ◽  
Bone Tissue ◽  
Porous Scaffolds ◽  
Emulsion Templating

Permeability quantification of porous polymer scaffold for bone tissue engineering

2020 ◽  
Vol 22 ◽  
pp. 1687-1693 ◽  
Author(s):  
Babar Pasha Mahammod ◽  
Emon Barua ◽  
Ashish B. Deoghare ◽  
K.M. Pandey
Keyword(s):  
Tissue Engineering ◽  
Bone Tissue Engineering ◽  
Bone Tissue ◽  
Porous Polymer ◽  
Polymer Scaffold ◽  
Porous Polymer Scaffold

New fabrication methods of bioactive and biodegradable scaffolds for bone tissue engineering

2011 ◽  
Vol 47 (3) ◽  
pp. 261-270 ◽  
Author(s):  
Youngmee Jung ◽  
Su Hee Kim ◽  
Sang-Heon Kim ◽  
Soo Hyun Kim
Keyword(s):  
Tissue Engineering ◽  
Bone Tissue Engineering ◽  
Bone Tissue ◽  
Porous Polymer ◽  
Cellular Interaction ◽  
Solvent Casting ◽  
Polymer Scaffolds ◽  
Casting Method ◽  
Biodegradable Scaffolds ◽  
Sintering Method

Bioceramic and polymers have been used as matrices for bone tissue engineering, and successful bone regeneration depends on cellular interaction with these matrices. The aim of this study was to fabricate polymer/ceramics composites with a novel sintering method. Also, we prepared homogenous porous poly(lactide-co-glycolide (PLGA) scaffolds in the supercritical CO2. These scaffolds had homogenous porous structure and high tensile and compressive mechanical properties compared to the scaffold prepared by conventional solvent casting method. This study revealed that generating bioactive and porous polymer scaffolds with novel sintering method or supercritical fluid technique could be useful for bone tissue engineering.

Biodegradable and bioactive porous polymer/inorganic composite scaffolds for bone tissue engineering

Biomaterials ◽  
2006 ◽  
Vol 27 (18) ◽  
pp. 3413-3431 ◽  
Author(s):  
K. Rezwan ◽  
Q.Z. Chen ◽  
J.J. Blaker ◽  
Aldo Roberto Boccaccini
Keyword(s):  
Tissue Engineering ◽  
Bone Tissue Engineering ◽  
Bone Tissue ◽  
Porous Polymer ◽  
Composite Scaffolds ◽  
Inorganic Composite

HYDROXYAPATITE, ALGINATE, AND CHITOSAN FOR BONE SCAFFOLDS: SPECTROSCOPY STUDY

2016 ◽  
Vol 19 (2) ◽  
pp. 93-100
Author(s):  
Lalita El Milla
Keyword(s):  
Tissue Engineering ◽  
Bone Tissue Engineering ◽  
Bone Tissue ◽  
Functional Groups ◽  
Bone Growth ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Tissue Engineering Scaffolds ◽  
Hydroxyapatite Powder ◽  
Materials Used

Scaffolds is three dimensional structure that serves as a framework for bone growth. Natural materials are often used in synthesis of bone tissue engineering scaffolds with respect to compliance with the content of the human body. Among the materials used to make scafffold was hydroxyapatite, alginate and chitosan. Hydroxyapatite powder obtained by mixing phosphoric acid and calcium hydroxide, alginate powders extracted from brown algae and chitosan powder acetylated from crab. The purpose of this study was to examine the functional groups of hydroxyapatite, alginate and chitosan. The method used in this study was laboratory experimental using Fourier Transform Infrared (FTIR) spectroscopy for hydroxyapatite, alginate and chitosan powders. The results indicated the presence of functional groups PO43-, O-H and CO32- in hydroxyapatite. In alginate there were O-H, C=O, COOH and C-O-C functional groups, whereas in chitosan there were O-H, N-H, C=O, C-N, and C-O-C. It was concluded that the third material containing functional groups as found in humans that correspond to the scaffolds material in bone tissue engineering.

PLGA+HA/βTCP scaffold incorporating simvastatin: a promising biomaterial for bone tissue engineering

2020 ◽  
Author(s):  
Mariane Beatriz Sordi ◽  
Ariadne Cristiane Cabral da Cruz ◽  
Águedo Aragones ◽  
Mabel Mariela Rodríguez Cordeiro ◽  
Ricardo de Souza Magini
Keyword(s):  
Tissue Engineering ◽  
Bone Tissue Engineering ◽  
Bone Tissue ◽  
Thermal Analyses ◽  
Chemical Properties ◽  
Biological Properties ◽  
Scanning Calorimetry ◽  
Evaporation Technique ◽  
Porosity Analysis ◽  
Biphasic Ceramic

The aim of this study was to synthesize, characterize, and evaluate degradation and biocompatibility of poly(lactic-co-glycolic acid) + hydroxyapatite / β-tricalcium phosphate (PLGA+HA/βTCP) scaffolds incorporating simvastatin (SIM) to verify if this biomaterial might be promising for bone tissue engineering. Samples were obtained by the solvent evaporation technique. Biphasic ceramic particles (70% HA, 30% βTCP) were added to PLGA in a ratio of 1:1. Samples with SIM received 1% (m:m) of this medication. Scaffolds were synthesized in a cylindric-shape and sterilized by ethylene oxide. For degradation analysis, samples were immersed in PBS at 37 °C under constant stirring for 7, 14, 21, and 28 days. Non-degraded samples were taken as reference. Mass variation, scanning electron microscopy, porosity analysis, Fourier transform infrared spectroscopy, differential scanning calorimetry, and thermogravimetry were performed to evaluate physico-chemical properties. Wettability and cytotoxicity tests were conducted to evaluate the biocompatibility. Microscopic images revealed the presence of macro, meso, and micropores in the polymer structure with HA/βTCP particles homogeneously dispersed. Chemical and thermal analyses presented very similar results for both PLGA+HA/βTCP and PLGA+HA/βTCP+SIM. The incorporation of simvastatin improved the hydrophilicity of scaffolds. Additionally, PLGA+HA/βTCP and PLGA+HA/βTCP+SIM scaffolds were biocompatible for osteoblasts and mesenchymal stem cells. In summary, PLGA+HA/βTCP scaffolds incorporating simvastatin presented adequate structural, chemical, thermal, and biological properties for bone tissue engineering.

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