Biomedical material

Setup Carbon atoms that are sp -hybridized contribute to the rigidity of a molecule s shape. [Pg.949]

Think About It Double bonds in a molecular structure indicate the presence of pi bonds. Recall that it is the pi bonds that restrict rotation about bonds in a molecule [W Section 9.5] and lend rigidity to the structure. [Pg.949]

Practice Problem Which compound would you expect to exhibit liquid crystal behavior, and why [Pg.949]

2 What characteristics make a molecule litely to exhibit liquid ciystal properties (Select all that apply.) [Pg.949]

T. L. Vigo and A. F. Turbak, eds., High-Tech Fibrous Materials Composites, Biomedical Materials, Protective Clothing and Geotextiles, American Chemical Society, Washington, D.C., 1991, 398 pp. [Pg.74]

Revie, R. W. and Greene, N. D. Comparison of the In Vivo and In Vitro Corrosion of 18-8 Stainless Steel and Titanium , Journal of Biomedical Materials Research, 3, 465-470 (1969)... [Pg.466]

Walker G. D., Journal of Biomedical Materials Research (Symposium), 5, 11-26 (1974)... [Pg.481]

Lucas, L. C., Buchanan, R. A., Lemons, J. E., and Griffin, C. D., Susceptibility of Surgical Cobalt-Base Alloy to Pitting Corrosion , Journal of Biomedical Materials Research, 16, 799-810 (1982)... [Pg.481]

Bundy, K. J., Vogelbaum, M. A. and Desai, V. H., The Influence of Static Stress on the Corrosion Behaviour of 316L Stainless Steel in Ringer s Solution , Journal of Biomedical Materials Research, 20, 493-505 (1986)... [Pg.481]

Cahoon, J. R., Bandyopadhya, R. and Tennese, L., The Concept of Protection Potential Applied to the Corrosion of Metallic Orthopaedic Implants , Journal of Biomedical Materials Research, 9, 259-264 (15)75)... [Pg.482]

Solar R. J., Pollack, S. R. and Korostoffe, E., In-vitro Corrosion Testing of Titanium Surgical Implant Alloys An Approach to Understanding Titanium Release from Implants , Journal of Biomedical Materials Research, 13, 217-250 (1979)... [Pg.482]

Biomedical materials include ceramics such as the biologically active hydroxylapatite and tricalcium phosphate, and high-strength metals such as titanium alloys.These materials are not produced by CVD as this time, except on an experimental basis. CVD, however, is the major process used in the production of another very important biomedical material, i.e., isotropic... [Pg.447]

While the mechanical performance of artificial materials in the human body can be predicted with some rehabihty, forecasting their biological performance is difficnlt. The problem of interactions at surfaces has already been mentioned. Research frontiers also include developing ways to simulate in vivo processes in vitro and extending the power and apphcability of such simulations to allow for better prediction of the performance of biomedical materials and devices in the patient. Fundamental information on the correlation between the in vivo and in vitro responses is limited. Chemical engineers might also make contribntions to the problem of noninvasive monitoring of implanted materials. [Pg.44]

Rasal, R.M. and Hirt, D.E. 2008. Toughness decrease of PLA-PHBHHx blend films upon surface-confined photopolymerization. Journal of Biomedical Materials Research Part A 88 1079-1086. [Pg.39]

Biomedical materials prepared from polysiloxane/PU IPNs have been studied, and it has been reported that these materials can be useful as steam-sterihzing medical tubing. The mechanical properties showed a very wide range. Silon-TSR temporary skin, which was composed with polysiloxane/PTFE IPNs, has been proposed for assisting bum healing. ... [Pg.246]

See Ref. 5, page 82 "polymers containing 3 or more different types of amino acids are not generally considered as being candidates for biomedical materials."... [Pg.226]

Nicholson, J. W., Brookman, P. J., Lacy, O. M., Sayers, G. S. Wilson, A. D. (1988a). A study of the nature and formation of zinc polyacrylate cement using Fourier transform infrared spectroscopy. Journal of Biomedical Materials Research, 22, 623-31. [Pg.88]

O Neill, I. K., Prosser, H. J., Richards, C. P. Wilson, A. D. (1982). NMR spectroscopy of dental materials. I. P studies on phosphate-bonded cement liquids. Journal of Biomedical Materials Research, 16, 39-49. [Pg.88]

Goldman, M. (1985). Fracture properties of composite and glass ionomer dental restorative materials. Journal of Biomedical Materials Research, 19, 771-83. [Pg.181]

Main, J. H. P., Mock, D., Beagrie, G. S. Smith, D. C. (1975). Investigations of possible oncogenic action of zinc polycarboxylate cement. Journal of Biomedical Materials Research, 9, 69-78. [Pg.186]

Peters, W. J., Jackson, R. W. Smith, D. C. (1974). Studies of the stability and toxicity of zinc polyacrylate cements (PA2). Journal of Biomedical Materials Research, 8, 53-60. [Pg.189]

Petty, W. (1980). Methylmethacrylate concentrations in tissues adjacent to bone cement. Journal of Biomedical Materials Research, 14, 88-95. [Pg.189]

This chapter is devoted to a miscellaneous group of aqueous acid-base cements that do not fit into other categories. There are numerous cements in this group. Although many are of little practical interest, some are of theoretical interest, while others have considerable potential as sustained-release devices and biomedical materials. Deserving of special mention as biomedical materials of the future are the recently invented polyelectrolyte cements based on poly(vinylphosphonic adds), which are related both to the orthophosphoric acid and poly(alkenoic add) cements. [Pg.307]

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