Polyglycolic acid

Huffman, K. R., and Casey, D. J., Effect of Carboxylic end groups on hydrolysis of polyglycolic acid, J. Polym. Sci. [Pg.119]

Polylactic acid Polyglycolic acid Polycaprolactone Polyhydroxybutyrate Polyhydroxyvalerate... [Pg.23]

Hayes, M.J. and Lauren, M.D. (1994) Chemical stress relaxation of polyglycolic acid suture. Journal of Applied Biomaterials, 5, 215-220. [Pg.195]

Shawe, S., Buchanan, F., Harkin-Jones, E. and Farrar, D. (2006) A study on the rate of degradation of the bioabsorbable polymer polyglycolic acid (PGA). Journal of Materials Science, 41, 4832 4-838. [Pg.195]

Abstract Synthetic polymers and biopolymers are extensively used within the field of tissue engineering. Some common examples of these materials include polylactic acid, polyglycolic acid, collagen, elastin, and various forms of polysaccharides. In terms of application, these materials are primarily used in the construction of scaffolds that aid in the local delivery of cells and growth factors, and in many cases fulfill a mechanical role in supporting physiologic loads that would otherwise be supported by a healthy tissue. In this review we will examine the development of scaffolds derived from biopolymers and their use with various cell types in the context of tissue engineering the nucleus pulposus of the intervertebral disc. [Pg.201]

Abbushi A et al (2008) Regeneration of intervertebral disc tissue by resorbable cell-free polyglycolic acid-based implants in a rabbit model of disc degeneration. Spine 33(14) 1527-1532... [Pg.230]

Poly(glycidyl methacrylate), 23 728 Polyglycolic acid, bioresorbable polymer, 3 736-737... [Pg.732]

PE general purpose, ammonia free PE heat resistant, glass fibre reinforced PE impact resistant, cotton filled PE mica filled PerEluoroAlkoxy PolyGlycolic Acid PolyHydroxyAlkanoate PolyHydroxyButyrate... [Pg.895]

Polyglycolic acid is a homopolymer of glycolide and was the initial synthetic suture offered for sale under the trade name of Dexon. It is formed into monofilaments from the melt with the filaments stretched as they are formed to assist in aligning the polymer chain, thus increasing the filament strength. Polyglycolic acid (structure 19.33) is also braided into sutures. [Pg.605]

Polyglycolic acid sutures are sold in the United States under the trade names Dexon II and Dexon "S". Dexon II is coated with polycaprolate (3), a copolymer of caprolactone [502 14-3] and glycolide. The sutures are claimed to retain approximately 35% of their out-of-package tensile strength three... [Pg.267]

Cutright, D.E., J.D. Beasley, I., and Perez, B. (1971). Histological comparison of polylactic and polyglycolic acid sutures. Oral Surg., 32, 165-173. [Pg.303]

Chemically-Controlled Systems. In these systems, the polymer matrix contains chemically-labile bonds. On exposure to water or enzymes the bonds hydrolyze, erode the three dimensional structure of the polymer and release the incorporated reagent into the surrounding medium. Depending on the polymer used, the erosion products may act as interferences, such as by altering the pH of the solution. Examples of these systems are polyglycolic acid (PGA) and a polyglycolic acid - polylactic acid (PGA/PLA) copolymer. PGA hydrolyzes to hydroxyacetic acid, and PGA/PLA hydrolyzes to lactic acid and hydroxyacetic acid. Other chemically-controlled systems are based on polyorthoesters, polycaprolactones, polyaminoacids, and polyanhydrides. [Pg.314]

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