2007
DOI: 10.1541/ieejeiss.127.686
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Application to Noninvasive Measurement of Blood Components Based on Infrared Spectroscopy

Abstract: Recently, lifestyle diseases (diabetics, hyperlipemia etc.) have been steadily increasing, because change of diet, lack of exercise, increase an alcoholic intake, and increase a stress. It is a matter of vital importance to us. About tens of millions of people in Japan have approached the danger of lifestyle diseases. So they have to do a blood test to make sure that they have controlled physical condition themselves. Therefore, they have to measure blood components again and again. So, they are burden too hea… Show more

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Cited by 6 publications
(3 citation statements)
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“…We performed initial experiments toward the development of a system for estimating glucose concentrations based on the near-infrared absorption of a sample [16,17]. We performed initial experiments toward the development of a system for estimating glucose concentrations based on the near-infrared absorption of a sample [16,17].…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…We performed initial experiments toward the development of a system for estimating glucose concentrations based on the near-infrared absorption of a sample [16,17]. We performed initial experiments toward the development of a system for estimating glucose concentrations based on the near-infrared absorption of a sample [16,17].…”
Section: Introductionmentioning
confidence: 99%
“…We have constructed a reflected light detection system using confocal optics. We performed initial experiments toward the development of a system for estimating glucose concentrations based on the near-infrared absorption of a sample [16,17]. The system can detect the absorption conditions at various depths by using the depth resolution of the confocal optical system [18].…”
Section: Introductionmentioning
confidence: 99%
“…や H. M. Heise (8) らの 近赤外および中赤外領域における生体グルコースの分光分 析が著名とされている (9) 。その後国内,国外において様々な 企業,研究機関により研究が進められ,2000 年代には様々 な手法が提案され,装置の開発が行なわれている (10) 。非侵 襲で血糖値が測定できる近赤外光を用いた全反射分光法や ファイバープローブを使用した吸光度測定など (11) ,生体へ の光の侵入深さを検討した研究が多く行われた。しかし現 在,生体皮膚組織,生体組織成分量の個人差や日間変動な どを要因として測定の安定性が確認されず,実用的な手法 は確立されていない (12) 。また,Partial Least Squares(PLS) 回帰分析などの多変量解析 (13) を用いることで生体の吸光情 報からグルコースの検量モデルを構築する研究 (14) が精度の 高い測定結果を実現した。しかし,吸光情報の各種の要因 によるデータ中の偶然的な相関がファクターの中に混入し, 検量モデルのオーバーフィッティングが起きるため,検量 モデルの精度評価の信頼性 (15) 反射光検出システムを構築した。試料の近赤外吸収により グルコース濃度を推定する (16) (17) グルコース計測システムの 開発に向けた初期実験を行っている。開発中の装置は,共 焦点光学系の奥行き分解能 (18)…”
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