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  1. F300 宇宙地球環境研究所
  2. F300b 紀要
  3. 名古屋大学加速器質量分析計業績報告書
  4. 19

古人骨の同一個体内における部位の違いによるC/N比、 δ^<13>C値、δ^<15>N値、^<14>C年代の相違(第20回名古屋大学年代測定総合研究センターシンポジウム平成19(2007)年度報告)

https://doi.org/10.18999/sumrua.19.117
https://doi.org/10.18999/sumrua.19.117
b54fde92-3bdc-4afc-98a6-7ce683168dbf
名前 / ファイル ライセンス アクション
KJ00005462217.pdf KJ00005462217.pdf (662.8 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2010-06-14
タイトル
タイトル 古人骨の同一個体内における部位の違いによるC/N比、 δ^<13>C値、δ^<15>N値、^<14>C年代の相違(第20回名古屋大学年代測定総合研究センターシンポジウム平成19(2007)年度報告)
言語 ja
その他のタイトル
その他のタイトル Variations of δ^<13>C, δ^<15>N values and 14C ages in human bone sections(Proceedings of the 20^<th> Symposium on Chronological Studies at the Nagoya University Center for Chronological Research in 2007)
言語 en
著者 瀧上, 舞

× 瀧上, 舞

WEKO 84814

ja 瀧上, 舞

Search repository
TAKIGAMI, Mai

× TAKIGAMI, Mai

WEKO 84815

en TAKIGAMI, Mai

Search repository
南, 雅代

× 南, 雅代

WEKO 84816

ja 南, 雅代

Search repository
MINAMI, Masayo

× MINAMI, Masayo

WEKO 84817

en MINAMI, Masayo

Search repository
中村, 俊夫

× 中村, 俊夫

WEKO 84818

ja 中村, 俊夫

Search repository
NAKAMURA, Toshio

× NAKAMURA, Toshio

WEKO 84819

en NAKAMURA, Toshio

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 ja
権利情報 名古屋大学年代測定資料研究センター
権利
言語 ja
権利情報 本文データは学協会の許諾に基づきCiNiiから複製したものである
抄録
内容記述 Prehistrical human bone is used for ^<14>C dating and isotope palaeodietary analysis. Fossil bone tends to be suffered from exogenous contaminants and diagenetic alteration during burial, especially in tropical and wet areas, and the state of bone collagen preservation differs with each bone sample. Since bone sections in an individual have different internal structures, such as density, thickness, amount of spongins and compact bone, different sections could have various levels of diagenesis. In this study, we investigated whether collagen extracted from different sections of an individual has variations of C/N ratios, δ^<13>C and δ^<15>N values for different sections of an individual, and whether we can estimate its palaeodietary by analyzing one bone section of a whole individual. The samples used are eleven bone sections (cranium, sphenoid, tooth, rib, humerus, radius or ulna, the lower femur, the central femur, tibia and two back-bones) in an individual, nine sections in another, and seven sections in the other, collected from the Yuigahama-minami archealogical site, Kamakura, Japan. The surface of fossil samples were shaved and ultrasonicated repeatedly in distilled water, followed by HCl and NaOH treatments; then samples were lyophilized and pulverized. The powdered bone sample was treated with 0.6M-HCl in a cellulose tube in a beaker over 20h at 4℃. The decalcified bone sample was treated by 0.6M-NaOH followed by 1.2M-HCl and 0.6M-HCl. Gelatin was extracted from acid/alkali-insoluble residue by heating in distilled water for 12h at 80-90℃. Combusted gelatin was refined into N_2 and CO_2. These gases were used for carbon and nitrogen isotopic measurement by using an isotope ratio mass spectrometer (Finnigan, MAT252). Gelatin was wrapped into a Sn cup and measured for C/N ratios by using an elemental analyzer (Euro Vector, Euro EA3000). To estimate sample preparation-induced variation, seven gelatins were extracted from a bone section, and each measured for C/N ratios, δ^<13>C and δ^<15>N values. The deviations of δ^<13>C and δ^<15>N values for seven gelatins are ±0.1‰ and ±0.2‰, respectively. Most bone sections have gelatin yield of more than 0.7 wt%, and carbon yield of the combusted gelatin between 42 and 46 wt%. Bone with more than 0.7 wt% gelatin is generally well preserved, and collagens with around 40 wt% C are intact. The bone samples in this study, therefore, are well preserved and regarded as suitable for analysis. The C/N ratios of gelatins varied from 3.1 to 3.4 with different sections in an individual. The values show quality of the gelatin extractions because the good collagens have C/N ratios between 2.9 and 3.6. The δ^<13>C values of gelatins have variations of about 1‰, between -19.3 and -18.2‰, for different bone sections in an individual. The other two individuals have variations between -19.3 and -18.4‰, and -18.3 and -17.7‰. The δ^<15>N values have variations of about 1.5‰ (12.6〜14.0‰, 12.4〜13.1‰ and 12.6〜14.1‰, respectively) for different sections of each individual. There is a positive correlation between δ^<13>C and δ^<15>N values. The back-bones tend to have highest values, and the rib and tooth have a little higher values than the others. ^<14>C ages have no variation in different sections. It means exterior organic substance don't get mixed in gelatin.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 第20回名古屋大学年代測定総合研究センターシンポジウム平成19(2007)年度報告<第2部> Proceedings of the 20th symposiumon on Chronological Studies at the Nagoya University Center for Chronological Research in 2007 日時:平成20 (2008)年1月10日(木)~11日(金) 会場:名古屋大学野依記念学術交流館 Date:January10th-11th, 2008 Venue:Nagoya Uhiversity Noyori Conference Hall
言語 ja
内容記述タイプ Other
出版者
言語 ja
出版者 名古屋大学年代測定資料研究センター
言語
言語 jpn
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/sumrua.19.117
ID登録タイプ JaLC
書誌情報 ja : 名古屋大学加速器質量分析計業績報告書

巻 19, p. 117-126, 発行日 2008-03
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