result 1916 件
| JaLCDOI | 10.18926/15179 |
|---|---|
| Title Alternative | Requiring factors in structural model of the blood vesselfor the principle analysis of measurement of blood pressure waveform by applanation tonometry. |
| FullText URL | 016_1_009_020.pdf |
| Author | Kitawaki, Tomoki| Oka, Hisao| |
| Abstract | 生体内の血圧脈波を非侵襲的に計測する手法として,｢トノメトリ法｣が知られており,近年,この計測手法を用いて得られた血圧脈波波形から,動脈硬化などの循環器系疾患のスクリーニングや予防診断に役立てようという動きが活発である｡しかしながら,組織内の血管を圧迫した場合の血管の変形挙動については,十分な解析は行われていない｡そこで本研究では,生体中のトノメトリ状態を解析可能な数値解析モデルを構築することを目的とした｡この結果, トノメトリ法による血圧脈波計測の原理解析を行うための血管断面構造の応力解析モデルには,以下の要件が求められることが明らかとなった｡・センサ部と皮膚表面はそれぞれ独立な要素としてモデル化し,これらの接触部においては摩擦を考慮しなければならない｡・応力の定量的な解析を行うためには,素材の非線形的な機械的特性を考慮する必要がある｡さらに,実験結果と計算結果を一致させるためには,初期形状を正確にモデル化することが必要であることがわかった｡ |
| Keywords | トノメトリ法 (Applanation tonometry) 有限要素法 (Finite Element Model) 数値解析モデル (Numerical calculation) 血圧計測 (Blood pressure measurement) |
| Publication Title | 岡山大学医学部保健学科紀要 |
| Published Date | 2005-12-25 |
| Volume | volume16 |
| Issue | issue1 |
| Start Page | 9 |
| End Page | 20 |
| ISSN | 1345-0948 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002307172 |
| Author | 小林 青樹| 野崎 貴博| |
|---|---|
| Published Date | 1998-03-20 |
| Publication Title | 岡山大学構内遺跡発掘調査報告 |
| Volume | volume14 |
| Content Type | Research Paper |
| JaLCDOI | 10.18926/15177 |
|---|---|
| Title Alternative | Development of intramuscular probe for local muscle function |
| FullText URL | 016_1_001_008.pdf |
| Author | Oka, Hisao| Edamatsu, Motonari| Watanabe, Shogo| Kitawaki, Tomoki| |
| Abstract | 臨床においては,筋機能や機能不全を診断するために,表面筋電図や針筋電図,筋生検などが行われている｡しかし,これらの方法では筋機能や筋収縮メカニズムを連続的に測定することは難しい｡本研究では新たに筋内挿入型プローブと測定システムを開発した｡測定プローブは光ファイバと6本の白金細線から構成されている｡光ファイバを用いて筋の局所血流量と筋内圧力を測定し,6個の電極を用いて運動単位活動電位を測定した｡プローブと測定システムの基礎特性を確認した後,麻酔下のラットの排腹筋において,安静時および局所虚血時の活動電位,血流量,筋内圧力を測定した｡また脛骨神経を電気刺激し,活動電位波形から伝播速度を算出したところ,プローブは正常に動作していることが確認できた｡さらに筋小胞体からのカルシウム放出チャネルを抑制するdantroleneを筋注すると,筋内圧力波形は大きく減少したが,活動電位波形はほとんど変化しないことがわかった｡ |
| Keywords | 筋機能 (muscle function) 筋内圧力 (intramuscular pressure) 筋内血流 (intramuscular blood flow) 活動電位 (action potential) 筋収縮 (muscle contraction) |
| Publication Title | 岡山大学医学部保健学科紀要 |
| Published Date | 2005-12-25 |
| Volume | volume16 |
| Issue | issue1 |
| Start Page | 1 |
| End Page | 8 |
| ISSN | 1345-0948 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002307295 |
| Author | 岡山大学医学部保健学科| |
|---|---|
| Published Date | 2006-03-31 |
| Publication Title | 岡山大学医学部保健学科紀要 |
| Volume | volume16 |
| Issue | issue2 |
| Content Type | Others |
| JaLCDOI | 10.18926/15168 |
|---|---|
| Title Alternative | Electrical Cell-substrate Impedance Sensing (ECIS)法を用いた培養細胞の微細挙動の定量的評価法 - 細胞-細胞間隙と細胞-電極間隙の評価 - |
| FullText URL | 017_1_009_015.pdf |
| Author | Goda, Noriko| Yamamoto, Yoshitake| Nakamura, Takao| Kusuhara, Toshimasa| Maruyama, Toshinori| |
| Abstract | We have proposed a mathematical model for the micro-dynamics for cultured cells measured with ECIS system for the detection of nanometer-order dynamics of cells cultured on a small gold electrode and could separately evaluate cell-to-cell distance (A) and cell-to-substrate distance (h). For wide applications of this method, we constructed mathematical models which express cell-to-electrode impedances for some kinds of confluent conditions. Based on this mathematical model, we defined new parameters S(A) and S(h) in order to evaluate cell-to-cell distance and cell-to-substrate distance. As the application, we investigated the effect of X-irradiation to bovine aortic endothelial cell (BAEC). We analyzed the micro-dynamics of cells from the impedance of BAEC before and after X-irradiation. It was proved that the stimulation of 100 Gy X-irradiation to the BAEC resulted in the large scale of increase in the cell-to-cell distances (A), and the slight increase in the cell-to-substrate distances (h) accompany with continuous fluctuations. |
| Keywords | ECIS method (ECIS法) bio-electrical impedance (生体インピーダンス) cultured cell modeling (細胞培養) micromotion of cultured cells (細胞微細挙動) X-irradiation (放射線被曝) |
| Publication Title | 岡山大学医学部保健学科紀要 |
| Published Date | 2007-03-15 |
| Volume | volume17 |
| Issue | issue1 |
| Start Page | 9 |
| End Page | 15 |
| ISSN | 1345-0948 |
| language | English |
| File Version | publisher |
| NAID | 120002307368 |
| JaLCDOI | 10.18926/15163 |
|---|---|
| Title Alternative | Relationship between vertebral transformation (or fracture) and bone mineral density in lumbar vertebrae. |
| FullText URL | 065_115_118.pdf |
| Author | Nakai, Mutsuo| Akiyama, Tsuneo| Kajimoto, Kazuhiro| Mitsunobu, Fumihiro| Mifune, Takashi| Tanizaki, Yoshiro| |
| Abstract | QCTによる腰椎海綿骨骨塩量と,圧迫骨折を含む,椎体(第11胸椎～第4腰椎)の変形率の関係を検討した｡椎体変形率と腰椎QCT値の間の強い相関関係が確認され,椎体変形者全体の50%はQCT値70mg/cm(3)以下に分布し,90%は125mg/cm(3)以下に分布した｡さらに,この70mg/cm(3)付近での椎体変形者の割合は50%であり,125mg/cm(3)付近での椎体変形の割合は10%であった｡QCTによる腰椎海綿骨骨塩量測定値は,腰椎の変形および骨折の危険性を予 測する良好な指標であることが確認できた｡ |
| Keywords | 骨粗鬆症 (osteoporosis) 骨塩量 (bone mineral density) QCT (quantitative computed tomography) 腰椎 (lumbar vertebrae) |
| Publication Title | 岡大三朝分院研究報告 |
| Published Date | 1994-09 |
| Volume | volume65 |
| Start Page | 115 |
| End Page | 118 |
| ISSN | 0918-7839 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002307136 |
| JaLCDOI | 10.18926/15162 |
|---|---|
| Title Alternative | Clinical opplication of a newly developed radiographic system including a fluoroscope equiped with CCD and digital image processor |
| FullText URL | 065_107_114.pdf |
| Author | Akiyama, Tsuneo| Nakai, Mutsuo| Kajimoto, Kazuhiro| Mitsunobu, Fumihiro| Mifune, Takashi| Tanizaki, Yoshiro| Ochi, Koji| Riaz, Chowdhury| Satou, Masataka| Ukon, Hiroe| |
| Abstract | 画像の入力部に世界初100万画素の多画素･高精細のCCD(電荷結合素子)を用いたテレビカメラを搭載したX線テレビ装置とDigital・Radiography装置を導入し,主に消化管検査を中心に多目的に任用した｡このシステムは従来のscreen/filmシステムの持つ膨大な情報量を確保しながらCCDカメラのメリットを最大限に生かしており,DRシステムの特長であるリアルタイムのCRT撮影画像表示,透視像のFREEZE確認,動態解析,画像処理等を導入することにより診断能の向上がはかれた｡更に,従来X線フィルム･撮像管に比較して被曝量の大幅な低減が期待できた｡また,デジタルであるため撮影像をHDに保管すると共にMODにも記録･再生が可能である｡今後,PACSやフイルムレス電子媒体保管への展開の可能性についても確認できた｡ |
| Keywords | 増感紙/フイルム (Screen/Film) 光電子増倍管 (Image･Intensifier (l･I)) デジタル･イメージング (Digital･Imaging) 電荷結合素子 (CCD) 光磁気ディスク (MOD) デジタルラジオグラフィ (Digital Radiography) |
| Publication Title | 岡大三朝分院研究報告 |
| Published Date | 1994-09 |
| Volume | volume65 |
| Start Page | 107 |
| End Page | 114 |
| ISSN | 0918-7839 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002307511 |
| JaLCDOI | 10.18926/15157 |
|---|---|
| Title Alternative | Use of danazol in myoma |
| FullText URL | 065_077_081.pdf |
| Author | Nakagiri, Yoshiyasu| Kobayashi, Yasuaki| Ishida, Makoto| |
| Abstract | 子宮筋腫14症例に対しダナソールを400mg/dayを月経5日目より16週間経口投与した。平均年齢は45.4才で,ダナゾール投与により超音波計測では筋腫核の体積は投与前を100%とすると75%へと縮小した。投与後に赤血球,ヘモグロビンは有意に増加し,s-GOTは平均22.5U/ℓが平均28.8U/ℓ,s-GPTも平均19.4U/ℓが平均34.9U/ℓと有意な上昇が認められたが投与後速やかに正常範囲に戻った｡投与により過多月経は92.9%,月経痛80%,腰痛は75%に改善が認められた｡投与によりQCT法による骨塩量は平均10.4%の上昇がみられたが,4例には骨塩量の平均5.5%低下がみられた｡筋腫核の縮小率は投与前を100%とすると骨塩量低下群では平均51.7%になり,骨塩量増加群では平均84.4%になり,有意に骨塩量低下群に縮小率が高かった｡ |
| Keywords | 子宮筋腫 (myoma) ダナゾール (danazol) 骨塩量 (bone mineral density) 骨粗鬆症 (osteoporosis) |
| Publication Title | 岡大三朝分院研究報告 |
| Published Date | 1994-09 |
| Volume | volume65 |
| Start Page | 77 |
| End Page | 81 |
| ISSN | 0918-7839 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002307597 |
| Author | Ito, Hiroshi| |
|---|---|
| Published Date | 2009-08-03 |
| Publication Title | 岡山医学会雑誌 |
| Volume | volume121 |
| Issue | issue2 |
| Content Type | Journal Article |
| Author | 横田 美香| 岩崎 志保| |
|---|---|
| Published Date | 1997-12-20 |
| Publication Title | 岡山大学構内遺跡発掘調査報告 |
| Volume | volume13 |
| Content Type | Research Paper |
| JaLCDOI | 10.18926/15126 |
|---|---|
| Title Alternative | Pelvimetry with smaller radiation field by CC･DR system- An examination on applying to lateral radiography of the pelvis (Guthmann) ― |
| FullText URL | 066_062_071.pdf |
| Author | Nakai, Mutsuo| Akiyama, Tsuneo| Nakagiri, Yoshiyasu| Kobayashi, Yasuaki| |
| Abstract | 100万画素CCDカメラを用いたI.I.-DR装置(CC･DRシステム)をX線骨盤計測に適用するため,被曝線量をはじめとするいくつかの点を検討した｡照射野内の被曝線量は従来の高感度Screen-Film システムであるG12/HRSと同等以下に抑えることが可能であった｡また,CC･DRシステムの9インチ円形照射野は一般的に用いられている大角フィルム面積の1/3であり,胎位の95%を占めるといわれている頭位の撮影においては胎児の生殖腺はもちろん, 赤色骨髄を多く含む脊椎への被曝を大幅に低減できた｡また,新たに開発された距離計測ソフトウェアーの正確度は良好で,通常lmm以下の誤差で測定が可能であることを確認した。その他,装置に標準装備されている自動露出機構の特性についても報告し,最後に撮影時の留意点についても検討した｡ |
| Keywords | 骨盤計測 (Pelvimetry) グースマン法 (Guthmann Position) デジタルラジオグラフィー (digital radiography) 被曝線量 (exposure dose) |
| Publication Title | 岡大三朝分院研究報告 |
| Published Date | 1995-09 |
| Volume | volume66 |
| Start Page | 62 |
| End Page | 71 |
| ISSN | 0918-7839 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002307350 |
| JaLCDOI | 10.18926/15104 |
|---|---|
| Title Alternative | THE IMPROVEMENT OF SKILL BY SNOWBOADING CLASS OF THE UNIVERSITY GENERAL EDUCATION ATHLETICS |
| FullText URL | 009_057_062.pdf |
| Author | Yamaguchi, Tatsuo| Sugiyama, Kiyoshi| |
| Abstract | 本研究はスノーボード集中授業により初心者の滑走スキルがどの程度向上したかを検討したものである｡実技試験を実施した結果､以下の如くの結果が得られた｡即ち､転倒者の割合は女子班では55.6%､男子班では50.0%と約半数が転倒する状態であった｡男子班は全員､連続ターンが出来ていたが女子班 では出来ないかほとんど出来ない者が約4割であった｡平均ターン回数は男子班が9.8回,女子班が2.9回で女子班の値が小さかった(P<0.1)｡その理由については､男女の体力差や指導方法の違いなどが考えられる｡試技の平均所要時間は男子班が33.0秒で女子班が41.0秒であった｡経験者班を基準にする と男子班は12.6%,女子班は40.0%余分に時間を要している状態であった｡事前のスケートボード練習の有効性は確認できなかった｡理由としては､練習の回数と時間が少な過ぎたことと参加者数が少なかったことによると推察される｡ |
| Keywords | スノーボード (Snowboarding) 大学一般教育体育実技 (university general education athletics) 集中授業 (an intensive class) 実技試験 (a skill test) スキルの向上 (the improvement of the skill) |
| Publication Title | 岡山大学教育実践総合センター紀要 |
| Published Date | 2009-03-10 |
| Volume | volume9 |
| Issue | issue1 |
| Start Page | 57 |
| End Page | 62 |
| ISSN | 1346-3705 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002307502 |
| JaLCDOI | 10.18926/OER/14928 |
|---|---|
| Title Alternative | The Analysis of the Financial Management of the CooperativeSilk−Reeling Filatures between theWorldWars : The Case of Shimoina County, Nagano Prefecture |
| FullText URL | 40_4_033_048.pdf |
| Author | Tanaka, Masataka| |
| Abstract | The aim of this paper is to analyze the financial management of the cooperative silk−reeling filatures in Shimoina County, Nagano Prefecture between W. W. I and W. W. II. The earlier researches elucidate that the cooperative silk−reeling filatures in the Ina area produced comparatively high grade thread, but those researches have not focused on their managements including the financial conditions. This paper conducts a comparative research on the financial management of five cooperative silk−reeling filatures in the county. Through this research, the following facts are cleared up. First, during the 1920s the sources of capital changed. Local banks had previously supplied capitals for the cooperatives, but during the 1920s the investments in the cooperatives of their members increased and local credit cooperatives, which were their affiliates, injected capital into them. As a result their equity capital was reinforced. Along with the previous loans from local banks, Sangyõ kumiai chuõkinko (the central bank for cooperatives) financed them as a national agricultural policy. During the 1930s, when the Great Depression occurred, their high equity ratios were maintained. Although the investments of their members and the local credit cooperatives declined and the national loans of Sangyõ kumiai chuõkinko started to compose the main portion of their budgets. Second, during that time the spending policy of their budgets was converted. In the early 1920s, when the cooperatives were established, the price of silk cocoons was kept higher than the market price of them to maintain the cocoon supply from the cooperative members. In the late 1920s, when the cooperative achieved high management performance, they started to invest their profits in their production facilities. The cooperatives continued to apply that strategy to a countermeasure against the Great Depression. One of the remarkable examples is Taishõkan filature of Yamabuki Cooperative Association, which introduced multi−ends reeling machines under the economic hardship of the Great Depression. Finally, those cooperatives took various measures to ensure high−quality cocoons for high grade thread. For instances, they standardized the sort of silkworm eggs which they recommended, sent technical supervisors to their members’ houses, and provided extra incentives for cocoons of fine quality. |
| Publication Title | 岡山大学経済学会雑誌 |
| Published Date | 2009-03-10 |
| Volume | volume40 |
| Issue | issue4 |
| Start Page | 33 |
| End Page | 48 |
| ISSN | 0386-3069 |
| Related Url | http://www.e.okayama-u.ac.jp/~shiryou/gakkaishi.htm |
| language | Japanese |
| Copyright Holders | 岡山大学経済学会 |
| File Version | publisher |
| NAID | 120002308398 |
| JaLCDOI | 10.18926/14926 |
|---|---|
| Title Alternative | 気管支喘息症例における気道過敏性と鼻腔･副鼻腔疾患の関係に関する検討 |
| FullText URL | 070_028_035.pdf |
| Author | Mifune, Takashi| Takata, Shingo| Okamoto, Makoto| Tsugeno, Hirofumi| Ashida, Kozo| Harada, Seishi| Mitsunobu, Fumihiro| Hosaki, Yasuhiro| Tanizaki, Yoshiro| Harada, Mine| |
| Abstract | Pathological changes of nasosinus occur often in subjects with bronchial asthma. Coexisting nasosinus lesion may affect pathophysiology of lower respiratory tract in asthmatics. The extent of nasal and sinus lesion was quantified in 17 patients with bronchial asthma, and their relationships to atopic status, asthma severity and bronchial hyperresponsiveness were evaluated in this study. Opacification degree of maxillary sinuses and nasal mucosa thickening were quantified using CT scans. The opacification degree was evaluated as (total opacification area)/(total maxillary sinus area). Although the opacification degree of maxillary sinuses in atopic patients showed no significant difference compared with that in non-atopic patients, maximum nasal mucosa thickening in atopic patients had a significant difference compared with that in non-atopic patients (p=0.028). In severe asthmatics, the opacification degree of maxillary sinuses was significantly more prominent compared with those in moderate and mild asthmatics (p=0.0005, p=0.036, respectively). Significantly marked nasal mucosa thickening was recognized in mild asthmatics compared with that in moderate asthmatics (p=0.0462). Regarding bronchial hyperresponsiveness, a significant correlation between Dmin and the opacification degree of maxillary sinuses was observed (rs= -0.551, p=0.0276). Nasal mucosa thickening had no correlation with bronchial hyperresponsiveness. The results suggest that sinusitis may affect bronchial hyperresponsiveness and asthma severity. Treatment of sinusitis may lead to improvement of asthma symptoms. |
| Keywords | 気管支喘息 (bronchial asthma) 副鼻腔炎 (sinusitis) CT所見 (CT findings) 気道過敏性 (hyperresponsiveness) |
| Publication Title | 岡大三朝分院研究報告 |
| Published Date | 1999-12 |
| Volume | volume70 |
| Start Page | 28 |
| End Page | 35 |
| ISSN | 0918-7839 |
| language | English |
| File Version | publisher |
| NAID | 120002308098 |
| Author | Takahashi, Noboru| |
|---|---|
| Published Date | 2008-12-31 |
| Publication Title | |
| Content Type | Thesis or Dissertation |
| Author | 岡山大学環境管理センター| |
|---|---|
| Published Date | 2008-12 |
| Publication Title | 環境制御 |
| Volume | volume30 |
| Content Type | Others |
| Author | Okino, Takeshi| |
|---|---|
| Published Date | 1990-02 |
| Publication Title | 岡山医学会雑誌 |
| Volume | volume102 |
| Issue | issue1-2 |
| Content Type | Journal Article |
| Author | 岡山医学会| |
|---|---|
| Published Date | 1947-10-31 |
| Publication Title | 岡山医学会雑誌 |
| Volume | volume59 |
| Issue | issue1 |
| Content Type | Others |
| Author | Morimoto, Setsuo| |
|---|---|
| Published Date | 1966-05-30 |
| Publication Title | 岡山医学会雑誌 |
| Volume | volume78 |
| Issue | issue4-5 |
| Content Type | Journal Article |
| Author | Shimatani, Nobuto| |
|---|---|
| Published Date | 1966-05-30 |
| Publication Title | 岡山医学会雑誌 |
| Volume | volume78 |
| Issue | issue4-5 |
| Content Type | Journal Article |
