Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Reexamination Certificate
2002-07-12
2008-10-21
Warden, Jill (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
C422S091000, C422S105000, C422S105000, C436S180000, C600S310000, C600S319000, C700S090000, C700S268000
Reexamination Certificate
active
07438855
ABSTRACT:
An apparatus for measuring a glucose concentration is noninvasive, accurate, and compact. The apparatus includes a detection unit (10) and a principal component analysis (PCA) unit (20). The detection unit includes a light source (11) to emit mid-infrared light, an ATR prism (12) to receive the mid-infrared light with a measuring object placed on the ATR prism, and a spectrum detector (13) to detect an absorption spectrum from the mid-infrared light from the ATR prism. The PCA unit includes a loading memory (24) to store a glucose corresponding loading and a personal data memory (28) to store personal data in the form of a calibration curve. According to the detected absorption spectrum, stored loading, and stored personal data, the PCA unit computes a glucose concentration of the measuring object.
REFERENCES:
patent: 2003/0023152 (2003-01-01), Abbink et al.
Heise, Multivariate Determination of Glucose in Whole Blood by Attenuated Total Reflection Infrared Spectroscopy, Analytical Chem, 1989,61, 2009-2015.
Aizawa Katsuo
Hasegawa Takeshi
Kanazawa Masao
Nakamura Atsushi
Sota Takayuki
Nagpaul Jyoti
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Photoscience Incorporated
Warden Jill
Waseda University
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