The virtuous potential of chitosan oligosaccharide for promising biomedical applications

2020 ◽  
Vol 35 (9) ◽  
pp. 1123-1134 ◽  
Author(s):  
Ashwini Kumar ◽  
Awanish Kumar
Keyword(s):  
Biomedical Applications ◽  
Chitosan Oligosaccharide ◽  
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scholarly journals Biopolymers and supramolecular polymers as biomaterials for biomedical applications

MRS Bulletin ◽  
2015 ◽  
Vol 40 (12) ◽  
pp. 1089-1101 ◽  
Author(s):  
Ronit Freeman ◽  
Job Boekhoven ◽  
Matthew B. Dickerson ◽  
Rajesh R. Naik ◽  
Samuel I. Stupp
Keyword(s):  
Biomedical Applications ◽  
Supramolecular Polymers ◽  
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Biomedical applications of mesoscale magnetic particles

MRS Bulletin ◽  
2013 ◽  
Vol 38 (11) ◽  
pp. 927-932 ◽  
Author(s):  
Bettina Kozissnik ◽  
Jon Dobson
Keyword(s):  
Biomedical Applications ◽  
Magnetic Particles ◽  
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scholarly journals Architectured Shape-Memory Hydrogels with Switching Segments Based on Oligo(ε-caprolactone)

MRS Advances ◽  
2016 ◽  
Vol 1 (27) ◽  
pp. 2011-2017 ◽  
Author(s):  
Maria Balk ◽  
Marc Behl ◽  
Ulrich Nöchel ◽  
Andreas Lendlein
Keyword(s):  
Shape Memory ◽  
Material Properties ◽  
Biomedical Applications ◽  
Polymer Networks ◽  
Hydrophilic Polymer ◽  
Potential Candidate ◽  
Thermal Crosslinking ◽  
Porous Microstructure ◽  
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Form Stability

ABSTRACTShape-memory hydrogels (SMHs) are potential candidate materials for biomedical applications as they can mimic the elastic properties of soft tissue and exhibit shape transformations at body temperature. Here we explored, whether architectured SMHs can be designed by incorporating oligo(ε-caprolactone) (OCL, ${\overline M _n}$ = 4500 g·mol-1, Tm = 54 °C) side chains as switching segment into hydrophilic polymer networks based on N-vinylpyrrolidone as backbone forming component and oligo(ethylene glycol)divinylether (OEGDVE, ${\overline M _n}$ = 250 g·mol-1) as crosslinker. By utilizing NaCl and NaHCO3 as porogene during thermal crosslinking architectured hydrogels having pore diameters between 30 and 500 µm and wall thicknesses ranging from 10 to 190 µm in the swollen state were synthesized. According to the porous microstructure, a macroscopic form stability was obtained when the polymer networks were swollen until equilibrium in water. Material properties were investigated as function of the OCL content, which was varied between 20 and 40 wt%. In compression experiments the architectured hydrogels exhibited strain fixity and strain recovery ratios above 80%. These architectured SMHs might enable biomaterial applications as smart implants with the recovery of bulky structures from compact shapes.

scholarly journals Laser additive manufacturing of bulk and porous shape-memory NiTi alloys: From processes to potential biomedical applications

MRS Bulletin ◽  
2016 ◽  
Vol 41 (10) ◽  
pp. 765-774 ◽  
Author(s):  
Sasan Dadbakhsh ◽  
Mathew Speirs ◽  
Jan Van Humbeeck ◽  
Jean-Pierre Kruth
Keyword(s):  
Additive Manufacturing ◽  
Shape Memory ◽  
Biomedical Applications ◽  
Laser Additive Manufacturing ◽  
Niti Alloys ◽  
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Surface modification of L605 by oxygen plasma immersion ion implantation for biomedical applications

2018 ◽  
Vol 8 (04) ◽  
pp. 1404-1412 ◽  
Author(s):  
Letícia Marin de Andrade ◽  
Carlo Paternoster ◽  
Vanessa Montaño-Machado ◽  
Gianni Barucca ◽  
Małgorzata Sikora-Jasinska ◽  
...  
Keyword(s):  
Surface Modification ◽  
Ion Implantation ◽  
Biomedical Applications ◽  
Oxygen Plasma ◽  
Plasma Immersion Ion Implantation ◽  
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Abstract

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