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Meeting MS&T22: Materials Science & Technology
Symposium Additive Manufacturing of Polymeric-based Materials: Challenges and Potentials
Presentation Title Highly Cross-linking Hydrogels Obtained by Gamma-rays with pH Sensitivity for Biomedical Purposes
Author(s) Moisés Bustamante, Emilio Bucio
On-Site Speaker (Planned) Moisés Bustamante
Abstract Scope The design of new polymeric systems for antimicrobial drug release focused on medical/surgical procedures is of great interest due to the high prevalence of bacterial infections in patients with wounds or burns. Therefore, the synthesis of new materials with specific intelligence has increased in the last few years. For this reason, in this work, we present a new design of pH-sensitive hydrogels copolymerized by a graft polymerization method, intended for localized prophylactic release of ciprofloxacin and silver nanoparticles (AgNPs) for potential topical bacterial infections. The synthesized hydrogels were copolymerized from acrylic acid and agar. Cross-linked hydrogel film formation depended on monomer concentrations and the degree of radiation used. The obtained hydrogel films were characterized by ATR-FTIR, TGA, DSC, mechanical testing and the pH sensitiveness evidenced the swelling of the hydrogels. Finally, the antimicrobial activity of biocidal-loaded hydrogel was tested against Escherichia coli and methicillin-resistant Staphylococcus aureus on in vitro conditions.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Printing of Highly Stretchable Shape Memory Polymer Composites (SMPCs)
Characterization of Additive Manufactured Carbon Fiber Composite Using an Original Fracture Toughness Measurement Approach
Effects of Ironing on the Surface and Thermo-Mechanical Properties of 3D Printed PLA via Material Extrusion
Estimation of 3D Statistics For Synthetic Generation of AM Carbon Fiber Composite Structures
Extrusion and Characterization of Compounded rPET 3D Printing Filament
Fused Deposition Modeling of Natural Carbon-enhanced Composite Filaments for Structural Applications
Highly Cross-linking Hydrogels Obtained by Gamma-rays with pH Sensitivity for Biomedical Purposes
Mixed Matrix Thermoset Casting with Thermoplastic Fused Filament Fabrication 3D Printing
Molecular Engineering and Additive Manufacturing of Polyisobutylene-Based Functional Elastomers
Non-planer 3D Printing of Epoxy Using Freeform Reversible Embedding
Numerical Simulation of a Failed Large Area Additive Manufacturing Build to Determine Thermal, Stress, and Distortion History
Polymeric Composite of Magnetite Iron Oxide Nanoparticles and Their Application in Biomedicine: A Review
Understanding Print Stability in Material Extrusion Additive Manufacturing of Thermoset Composites

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