{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,3]],"date-time":"2026-05-03T05:36:52Z","timestamp":1777786612587,"version":"3.51.4"},"reference-count":45,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2005,10,1]],"date-time":"2005-10-01T00:00:00Z","timestamp":1128124800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Biomater Appl"],"published-print":{"date-parts":[[2005,10]]},"abstract":"<jats:p>\n                    Hylamer polyethylene was used in the early 1990s to make hip-joint components. Clinical experience has shown that these components, if sterilized by gamma rays in the presence of oxygen, are easily affected by wear, which then leads to osteolysis. The authors analyzed polyethylene wear particles in seven patients who had received Hylamer polyethylene implants sterilized by gamma rays in air and had suffered prosthetic loosening. The results were compared to those of six controls, who had received traditional polyethylene implants, sterilized by the same method. The frequency distribution of globular and fibrillar particles was similar in both groups (38.5% in Hylamer, 45.2% in controls). The globular particles in the Hylamer samples had a mean area of 0.12 mm\n                    <jats:sup>2<\/jats:sup>\n                    , which was significantly lesser than that of the controls (0.30 mm\n                    <jats:sup>2<\/jats:sup>\n                    ). The width of fibrillar particles in the Hylamer samples was significantly lesser than that of the controls. Therefore, the two materials, despite undergoing the same type of sterilization, produced different types of wear, due to their different properties. In conclusion, the difference in the morphology of Hylamer polyethylene wear particles in comparison with PCA might have caused a more intensive biological response, early and massive osteolysis, and therefore, early loosening.\n                  <\/jats:p>","DOI":"10.1177\/0885328205049407","type":"journal-article","created":{"date-parts":[[2005,9,23]],"date-time":"2005-09-23T08:07:54Z","timestamp":1127462874000},"page":"103-121","source":"Crossref","is-referenced-by-count":8,"title":["Isolation and Characterization of Wear Debris Generated in Patients Wearing                 Polyethylene Hylamer Inserts, Gamma Irradiated in Air"],"prefix":"10.1177","volume":"20","author":[{"given":"M.","family":"Visentin","sequence":"first","affiliation":[{"name":"Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Bologna                         40136, Italy,"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.","family":"Stea","sequence":"additional","affiliation":[{"name":"Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Bologna                         40136, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.","family":"Squarzoni","sequence":"additional","affiliation":[{"name":"ITOI - CNR, Unita\u2019 di Bologna c\/o Istituti Ortopedici Rizzoli,                         Bologna 40136, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Reggiani","sequence":"additional","affiliation":[{"name":"Dipartimento di Biochimica G. Moruzzi, Sez di Chimica e Propedeutica                         Biochimica, Bologna 40126, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C.","family":"Fagnano","sequence":"additional","affiliation":[{"name":"Dipartimento di Biochimica G. Moruzzi, Sez di Chimica e Propedeutica                         Biochimica, Bologna 40126, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B.","family":"Antonietti","sequence":"additional","affiliation":[{"name":"I Divisione di Ortopedia e Traumatologia, Istituti Ortopedici Rizzoli,                         Bologna 40136, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A.","family":"Toni","sequence":"additional","affiliation":[{"name":"I Divisione di Ortopedia e Traumatologia, Istituti Ortopedici Rizzoli,                         Bologna 40136, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2005,10,1]]},"reference":[{"key":"atypb1","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-199612000-00007"},{"key":"atypb2","doi-asserted-by":"publisher","DOI":"10.1016\/S0142-9612(99)00053-8"},{"key":"atypb3","first-page":"585","volume":"19","author":"Champion, A.R.","year":"1994","journal-title":"Trans 40th Orthop. 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