Abstract: In a chromatography quantitative measuring apparatus according to the present invention, a beam applied from a light source to a chromatography test strip is formed into an elliptical shape by an optical means such as a cylindrical lens, a variation in absorbance that accompanies elution of a marker regent is detected while the elliptical beam is applied between a marker reagent hold part and a detection part, and a measurement is automatically started in a prescribed period of time since the detection of variation. According to the chromatography quantitative measuring apparatus so configured, non-uniform coloration is reduced by shaping the beam elliptically with the optical means, whereby the accuracy of quantitative analysis is enhanced, and the apparatus can be operated easily.

Abstract: In a chromatography quantitative measuring apparatus, a beam applied from a light source to a chromatography test strip is formed into an elliptical shape by an optical means such as a cylindrical lens, a variation in absorbance that accompanies elution of a marker regent is detected while the elliptical beam is applied between a marker reagent hold part and a detection part, and a measurement is automatically started in a prescribed period of time since the detection of variation. According to the chromatography quantitative measuring apparatus so configured, non-uniform coloration is reduced by shaping the beam elliptically with the optical means, whereby the accuracy of quantitative analysis is enhanced, and the apparatus can be operated easily.

Abstract: In a chromatography quantitative measuring apparatus, a beam applied from a light source to a chromatography test strip is formed into an elliptical shape by an optical means such as a cylindrical lens, a variation in absorbance that accompanies elution of a marker regent is detected while the elliptical beam is applied between a marker reagent hold part and a detection part, and a measurement is automatically started in a prescribed period of time since the detection of variation. According to the chromatography quantitative measuring apparatus so configured, non-uniform coloration is reduced by shaping the beam elliptically with the optical means, whereby the accuracy of quantitative analysis is enhanced, and the apparatus can be operated easily.

Abstract: In a chromatography quantitative measuring apparatus according to the present invention, a beam applied from a light source to a chromatography test strip is formed into an elliptical shape by an optical means such as a cylindrical lens, a variation in absorbance that accompanies elution of a marker regent is detected while the elliptical beam is applied between a marker reagent hold part and a detection part, and a measurement is automatically started in a prescribed period of time since the detection of variation. According to the chromatography quantitative measuring apparatus so configured, non-uniform coloration is reduced by shaping the beam elliptically with the optical means, whereby the accuracy of quantitative analysis is enhanced, and the apparatus can be operated easily.

Abstract: Disclosed is a method for analyzing a sample solution, including introducing a sample solution 50 through a sample introduction part 6 and developing the sample solution 50 to a developing layer 2 through a capillary phenomenon to analyze an analyte contained in the sample solution 50, the sample introduction part 6 being provided on one side of a test strip 100 and the developing layer 2 being provided on the other side of the test strip 100, wherein the test strip 100 is disposed in such a development posture that the downstream region of the developing layer faces downward during the development. By this method, the developing rate is less susceptible to the viscosity of the sample solution 50 and thus has a small difference even among sample solutions 50 differing in viscosity. As a result, the analytical accuracy and reliability can be improved.

Abstract: By measuring a luminance difference between predetermined two points or a luminance variation in a predetermined region in a state in which a liquid sample is developed in a chromatography specimen 1, and comparing the luminance difference or the luminance variation with a preset reference value, it is possible to automatically detect degradation such as a decrease in hydrophilicity in the lower portion of a liquid-impermeable sheet material 8 during a chromatography inspection, thereby enabling an accurate inspection.

Abstract: Provided is a liquid sample analyzing method for analyzing an analyte in a liquid sample by using a test piece (1) on which overflow blocking lines (7) are formed to prevent the liquid sample from flowing to the outside from a passage region (3a) of an extended layer (3). In a state in which the liquid sample is not extended in the passage region (3a) of the extended region (3), the test piece (1) is measured so as to cross the passage region (3a) of the extended layer (3) and the overflow blocking lines (7). Thus in a state in which a difference in brightness is large between the passage region (3a) of the extended region (3) and the overflow blocking lines (7), it is possible to properly recognize the boundary portions between the passage region (3a) of the extended region (3) and the overflow blocking lines (7).

Abstract: A liquid sample analysis device includes a holder part 11 holding a test piece 1, an optical system 20 that optically detects a reaction state of a liquid sample and a reagent, and a support member 30 that integrally supports the holder part 11 and the optical system 20. The orientation of the test piece 1 is changed with respect to the direction of gravitational force by rotating the support member 30.

Abstract: Provided is a device in which light from a sample 7 fixed in a test piece 1 is captured by an image sensor 5 through an optical system made up of a lens 3, a diaphragm 4, and so on and concentration information is obtained, wherein a wide-band light source 12 for illuminating the test piece 1 is combined with an optical filter 13 for optionally selecting a wavelength of the light captured by the image sensor. Thus it is possible to reduce a measurement error caused by a change of the light quantity distribution of the light source 12.

Abstract: A liquid sample analysis device includes a holder part 11 holding a test piece 1, an optical system 20 that optically detects a reaction state of a liquid sample and a reagent, and a support member 30 that integrally supports the holder part 11 and the optical system 20. The orientation of the test piece 1 is changed with respect to the direction of gravitational force by rotating the support member 30.

Abstract: Disclosed is a method for analyzing a sample solution, including introducing a sample solution 50 through a sample introduction part 6 and developing the sample solution 50 to a developing layer 2 through a capillary phenomenon to analyze an analyte contained in the sample solution 50, the sample introduction part 6 being provided on one side of a test strip 100 and the developing layer 2 being provided on the other side of the test strip 100, wherein the test strip 100 is disposed in such a development posture that the downstream region of the developing layer faces downward during the development. By this method, the developing rate is less susceptible to the viscosity of the sample solution 50 and thus has a small difference even among sample solutions 50 differing in viscosity. As a result, the analytical accuracy and reliability can be improved.

Abstract: Provided is a liquid sample analyzing method for analyzing an analyte in a liquid sample by using a test piece (1) on which overflow blocking lines (7) are formed to prevent the liquid sample from flowing to the outside from a passage region (3a) of an extended layer (3). In a state in which the liquid sample is not extended in the passage region (3a) of the extended region (3), the test piece (1) is measured so as to cross the passage region (3a) of the extended layer (3) and the overflow blocking lines (7). Thus in a state in which a difference in brightness is large between the passage region (3a) of the extended region (3) and the overflow blocking lines (7), it is possible to properly recognize the boundary portions between the passage region (3a) of the extended region (3) and the overflow blocking lines (7).

Abstract: Provided is a device in which light from a sample 7 fixed in a test piece 1 is captured by an image sensor 5 through an optical system made up of a lens 3, a diaphragm 4, and so on and concentration information is obtained, wherein a wide-band light source 12 for illuminating the test piece 1 is combined with an optical filter 13 for optionally selecting a wavelength of the light captured by the image sensor. Thus it is possible to reduce a measurement error caused by a change of the light quantity distribution of the light source 12.

Abstract: A solution measurement method in which a specimen X stored in a capillary 8 is developed from the capillary 8 to the development layer of a test piece, and the amount of a substance to be measured in the specimen X is calculated by measuring the optical property of a predetermined portion to be measured, the method including: measuring the portion to be measured, in response to a reduction of the specimen X in the capillary 8 to a predetermined amount or less; and calculating the amount of the substance to be measured in the specimen X, based on the measured value. According to this method, it, is possible to detect that a certain amount of the specimen X has flown from the capillary 8 to the portion to be measured on the development layer.

Abstract: By measuring a luminance difference between predetermined two points or a luminance variation in a predetermined region in a state in which a liquid sample is developed in a chromatography specimen 1, and comparing the luminance difference or the luminance variation with a preset reference value, it is possible to automatically detect degradation such as a decrease in hydrophilicity in the lower portion of a liquid-impermeable sheet material 8 during a chromatography inspection, thereby enabling an accurate inspection.

Abstract: In a biosensor for measuring the concentration of an object to be analyzed by optical signal detection, when a liquid sample is supplied to a supply part (12), the liquid sample is developed in a development part (13), and color development takes place in a reaction part (14) depending upon the concentration of the object to be analyzed. The absorbance of the reaction part (14) is read. In this case, the amount of the liquid sample supplied into the supply part (12) can be measured by reading the development speed.

Abstract: In a chromatography quantitative measuring apparatus according to the present invention, a beam applied from a light source to a chromatography test strip is formed into an elliptical shape by an optical means such as a cylindrical lens, a variation in absorbance that accompanies elution of a marker regent is detected while the elliptical beam is applied between a marker reagent hold part and a detection part, and a measurement is automatically started in a prescribed period of time since the detection of variation. According to the chromatography quantitative measuring apparatus so configured, non-uniform coloration is reduced by shaping the beam elliptically with the optical means, whereby the accuracy of quantitative analysis is enhanced, and the apparatus can be operated easily.

Abstract: In a chromatography quantitative measuring apparatus according to the present invention, a beam applied from a light source to a chromatography test strip is formed into an elliptical shape by an optical means such as a cylindrical lens, a variation in absorbance that accompanies elution of a marker regent is detected while the elliptical beam is applied between a marker reagent hold part and a detection part, and a measurement is automatically started in a prescribed period of time since the detection of variation. According to the chromatography quantitative measuring apparatus so configured, non-uniform coloration is reduced by shaping the beam elliptically with the optical means, whereby the accuracy of quantitative analysis is enhanced, and the apparatus can be operated easily.

Abstract: In a chromatography quantitative measuring apparatus according to the present invention, a beam applied from a light source to a chromatography test strip is formed into an elliptical shape by an optical means such as a cylindrical lens, a variation in absorbance that accompanies elution of a marker regent is detected while the elliptical beam is applied between a marker reagent hold part and a detection part, and a measurement is automatically started in a prescribed period of time since the detection of variation. According to the chromatography quantitative measuring apparatus so configured, non-uniform coloration is reduced by shaping the beam elliptically with the optical means, whereby the accuracy of quantitative analysis is enhanced, and the apparatus can be operated easily.

Abstract: In a chromatography quantitative measuring apparatus according to the present invention, a beam applied from a light source to a chromatography test strip is formed into an elliptical shape by an optical means such as a cylindrical lens, a variation in absorbance that accompanies elution of a marker regent is detected while the elliptical beam is applied between a marker reagent hold part and a detection part, and a measurement is automatically started in a prescribed period of time since the detection of variation. According to the chromatography quantitative measuring apparatus so configured, non-uniform coloration is reduced by shaping the beam elliptically with the optical means, whereby the accuracy of quantitative analysis is enhanced, and the apparatus can be operated easily.