A study of long-lived free radicals in gamma-irradiated medical grade polyethylene

Radiation Physics and Chemistry

Volumn 62, Issue 1, 2001, Pages 141-144

  Jahan, M S ^a   King, M C ^a   Haggard, W O ^b   Sevo, K L ^b   Parr, J E ^b  

^a University of Memphis   (United States)

^b WRIGHT MEDICAL TECHNOLOGY   (United States)

Author keywords

Free radicals; Oxidation; Radiation sterilization; Thermal annealing; Ultra high molecular weight polyethylene

Indexed keywords

AIR; FREE RADICALS; GAMMA RAYS; IRRADIATION; ORTHOPEDICS; VACUUM;

STERILIZATION;

POLYETHYLENES;

ALKYL GROUP; FREE RADICAL; OXYGEN; PEROXY RADICAL; POLYETHYLENE;

AIR TEMPERATURE; ARTICLE; CHEMICAL MODIFICATION; CHEMICAL REACTION; ELECTRON SPIN RESONANCE; GAMMA IRRADIATION; GAMMA RADIATION; IMPLANT; MOLECULAR WEIGHT; RADIATION STERILIZATION; SHELF LIFE; STORAGE; TEMPERATURE DEPENDENCE; VACUUM;

EID: 0034856352     PISSN: 0969806X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0969-806X(01)00431-5     Document Type: Article

References (10)

1. Property changes of UHMWPE during implantation - First hints for the development of an alternative polyethylene
2. Free radical identification by ESR in polyethylene and nylon
3. Combined chemical and mechanical effects on free radicals in UHMWPE joints during implantation
4. Effects of radiation-sterilization on medical implants
5. The effects of radiation sterilization on the properties of ultra-high molecular weight polyethylene
6. On the EPR singlet spectra frequently observed in irradiated polymers at a large dose
7. The role of long lived free radicals in the ageing of irradiated ultra high molecular weight polyethylene
8. Mechanism of decay of alkyl radicals in irradiated polyethylene on exposure to air as studied by electron spin resonance
9. Influence of ionizing radiation in air and nitrogen for sterilization of surgical grade polyethylene for implants
10. The concept of stabilization in UHMWPE