{"_buckets": {"deposit": "d6f5c96e-eb98-4c9f-9e9f-e0d0f5badf51"}, "_deposit": {"id": "2000484", "owners": [1], "pid": {"revision_id": 0, "type": "depid", "value": "2000484"}, "status": "published"}, "_oai": {"id": "oai:niigata-u.repo.nii.ac.jp:02000484", "sets": []}, "author_link": [], "item_1627361970403": {"attribute_name": "\u51fa\u7248\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"subitem_version_resource": "http://purl.org/coar/version/c_970fb48d4fbd8a85", "subitem_version_type": "VoR"}]}, "item_7_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2013-06", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "1", "bibliographicPageEnd": "25", "bibliographicPageStart": "13", "bibliographicVolumeNumber": "43", "bibliographic_titles": [{"bibliographic_title": "\u65b0\u6f5f\u6b6f\u5b66\u4f1a\u96d1\u8a8c", "bibliographic_titleLang": "ja"}]}]}, "item_7_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "The relation between the surface texture (roughness) of dental Ti implants and adsorbing biological molecules has been poorly understood. To investigate the character of the adsorbing molecules at the early period, two kinds of test implants were fabricated from commercial pure titanium; they had a mirror polished surface or a grooved surface. They were inserted into rat bone, retrieved after either 3 hours or 7 days, and after cleaning analyzed with X-ray photoelectron spectroscopy. The deposition of calcium phosphate compounds was not observed on either surface. Protein adsorption was confirmed by detection of both carbon and nitrogen and the amounts of adsorbed proteins were nearly equal on the both kinds of the surfaces. Characteristic photoelectron sulfur peak (S 2p) appeared at two binding energies, 163.5eV and 168eV. The former was assigned to S contained in the cysteine of protein; the latter, to S of sulfate, which is mostly contained in proteoglycans. Furthermore, the amount of adsorbed proteoglycans on the polished surface was about 2 times larger than that on the grooved surface. Small pieces of new bone were observed on the grooved surface after 7 days. In conclusion, the surface texture (roughness) influences the proteoglycan adsorption, which plays a crucial role in the new bone formation.", "subitem_description_language": "en", "subitem_description_type": "Abstract"}, {"subitem_description": 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