High Pressure Effects on the Emission Properties and Crystal Structure of Coumarin 120
β Scribed by Hong Li; Liming He; Bo Zhong; Yi Li; Shikang Wu; Jing Liu; Guoqiang Yang
- Publisher
- John Wiley and Sons
- Year
- 2004
- Tongue
- English
- Weight
- 126 KB
- Volume
- 5
- Category
- Article
- ISSN
- 1439-4235
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Papain was progressively inactivated by increasing pressures in both phosphate (pH 5Γ0 and 6Γ8) and Tris (pH 6Γ8) bu β er, but in all systems the e β ect at pressures up to 600 MPa was minimal and independent of the temperature. However, at 800 MPa, signiΓcant losses were found. These losses at 800 MP
## Abstract Ultrahigh molecular weight polyethylene (UHMWPE) is a bearing surface material for total joint implants. It is radiation crossβlinked for high wear resistance and is melted or treated with vitamin E for oxidative stability. We investigated high pressure crystallization (HPC) of irradiat