{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T21:15:27Z","timestamp":1780434927889,"version":"3.54.1"},"reference-count":51,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2016,7,10]],"date-time":"2016-07-10T00:00:00Z","timestamp":1468108800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Biomater Appl"],"published-print":{"date-parts":[[2016,8]]},"abstract":"<jats:p>\n                    The bioactivity of yttrium and cerium are investigated when substituted for Sodium (Na) in a 0.52SiO\n                    <jats:sub>2<\/jats:sub>\n                    -0.24SrO-0.24 -xNa\n                    <jats:sub>2<\/jats:sub>\n                    O- xMO glass-ceramics (where x\u2009=\u20090.08 and MO\u2009=\u2009Y\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    or CeO\n                    <jats:sub>2<\/jats:sub>\n                    ). Bioactivity is monitored through pH and inductively coupled plasma-optical emission spectrometry where pH of simulated body fluid ranged from 7.5 to 7.6 and increased between 8.2 and 10.0 after 14-day incubation with the glass-ceramic disks. Calcium (Ca) and phosphorus (P) levels in simulated body fluid after incubation with yttrium and cerium containing disks show a continual decline over the 14-day period. In contrast, Con disks (not containing yttrium or cerium) caused the elimination of Ca in solution after 1 day and throughout the incubation period, and initially showed a decline in P levels followed by an increase at 14 days. Scanning electron microscopy and energy dispersive spectroscopy confirmed the presence of Ca and P on the surface of the simulated body fluid-incubated disks and showed precipitates on Con and HCe (8\u2009mol% cerium) samples. Cell viability of MC3T3 osteoblasts was not significantly affected at a 9% extract concentration. Optical microscopy after 24\u2009h cell incubation with disks showed that Con samples do not support osteoblast or Schwann cell growth, while all yttrium and cerium containing disks have direct contact with osteoblasts spread across the wells. Schwann cells attached in all wells, but only showed spreading with the HY-S (8\u2009mol% yttrium, heated to sintering temperature) and YCe (4\u2009mol% yttrium and cerium) disks. Scanning electron microscopy of the compatible disks shows osteoblast and sNF96.2 Schwann cells attachment and spreading directly on the disk surfaces.\n                  <\/jats:p>","DOI":"10.1177\/0885328216651392","type":"journal-article","created":{"date-parts":[[2016,5,26]],"date-time":"2016-05-26T21:43:43Z","timestamp":1464299023000},"page":"165-180","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":10,"title":["Bioactivity of Y\n                    <sub>2<\/sub>\n                    O\n                    <sub>3<\/sub>\n                    and CeO\n                    <sub>2<\/sub>\n                    doped SiO\n                    <sub>2<\/sub>\n                    -SrO-Na\n                    <sub>2<\/sub>\n                    O glass-ceramics"],"prefix":"10.1177","volume":"31","author":[{"given":"LM","family":"Placek","sequence":"first","affiliation":[{"name":"Inamori School of Engineering, Alfred 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