Polymer Chemistry and Synthetic Polymers
. A monomer must have one or more reactive sites to form bonds with other monomers in order to prepare a polymer and may or may not be equivalent to…
Chemical and Physical Properties of Polymers for Biomedical Use
Fig. 3.1 Intramolecular and Intermolecular forces in polymers for biomedical use Intra and Inter Polymer Molecular Interactions A correct understanding of many physical and chemical properties of polymeric materials is linked…
Polymers in Nephrology
Polymer name Manufacturer Reason Cuprophan®, Hemophan® Membrana GmbH Loss of market share, alleged lack of biocompatibility Polycarbonate (PC) Gambro Only as flat sheet membrane available Cellulose acetate (CA) Cordis Dow…
Drug Delivery Systems: Smart Polymeric Materials
Fig. 12.1 Stimuli of SR polymers The responses are manifested as variations in the shape, surface, solubility, degree of intermolecular association and others [17]. Particularly, the subsequent polymer structure and property…
Polymers for Surgery
Function Purpose Examples Binding Fixation Fractured bone fixation Adhesion Adhesion of tissue pieces Closure Suturing Tissue approximation and vascular and intestinal anastomosis Covering Wound cover Sealing Topical hemostasis and air…
Polymers in Cardiology
Scaffold Manufacturer Polymer Coating Drug Resorption time (months) Igaki-Tamai Kyoto Medical PLLA None None 24 BVS 1.0 Abbott Vascular PLLA PDLLA Everolimus 24 BVS 1.1 Abbott Vascular PLLA PDLLA Everolimus…
Polymer Based Biosensors for Medical Applications
Fig. 17.1 Working principle of a biosensor. The analyte is specifically recognized by the bioelement. A biochemical reaction occurs upon the event of recognition leading to the generation of a signal,…
Recent Advances in Hemocompatible Polymers for Biomedical Applications
Fig. 16.1 Sequence of events leading to thrombus formation on blood-contacting surfaces (e.g., implanted medical devices) Fig. 16.2 Simplified schematic of the coagulation cascade, where clotting is initiated by either surface contact…
Polymers in Ophthalmology
Fig. 6.1 Eyeball anatomy The fibrous layer is composed of a rear opaque part, the sclera, and anterior and transparent, the cornea. The cornea is the transparent frontal window of the…
Emerging Polymers in Dentistry
Clinical steps Etching Primer Resin Etch-and-rinse (3-steps) Phosphoric acid (30–35 %) HEMA, organic solvent (ethanol/acetone/water), proprietary monomers Hydrophilic and hydrophobic monomers (HEMA, TEGDMA, Bis-GMA, UDMA), initiators Etch and rinse (2-step) Phosphoric…
