Abstract: The present invention relates to an analyzing device provided with: a light-measuring mechanism (6) that includes a light-emitting unit for emitting light onto a test tool (7) to analyze a sample and a light-receiving unit for receiving reflection light from the test tool (7); and a detecting mechanism (4) for detecting whether or not the test tool exists in a target area, the mechanism including a light-emitting unit for emitting light onto the test tool (7) and a light-receiving unit for receiving reflection light from the test tool (7). In the light-measuring mechanism (6), the light-emitting unit and light-receiving unit are disposed such that the light emission axis of the light-emitting unit and the light reception axis of the light-receiving unit are parallel or substantially parallel to each other.

Abstract: A measuring system according to the present invention includes a biosensor 2, and a measuring device 1 capable of assaying a specified component in a biological sample applied to the sensor 2. An announcement device 22 indicates a measuring procedure or a measurement result in the measuring device 1 by voice or the like by being combined with the measuring device 1.

Abstract: A data relay device and a data management system that eliminate the need for changing the setting when a new testing or measuring device is added is provided. An adapter 4 for connecting to a LAN 3 plural kinds of testing devices 5a, 5b . . . generating data in different formats stores in advance a conversion program for converting an individual message of each of the devices into a common message according to the kinds of the testing devices 5a, 5b . . . , converts the individual message sent from the testing devices 5a, 5b . . . in a serial manner into a common format and sends it to a communication management terminal 2.

Abstract: The present invention relates to a test piece for protein assay that is used for quantifying or semi-quantifying a protein and that contains an acidic pH indicator. This test piece for protein assay contains a surfactant as a sensitizer for increasing coloration sensitivity with respect to protein. A triphenylmethane-based indicator is used as the acidic pH indicator, for example. The present invention also provides a method for manufacturing a test piece for protein assay. With this method, a test piece for protein assay is manufactured by impregnating an absorbent carrier with an impregnant containing an acidic pH indicator and a sensitizer, and then drying this product. A surfactant is used as the sensitizer.

Abstract: The present invention relates to a test tool feeder (X1) including a storage portion for storing a plurality of test tools (4A, 4B), and a transporting member (2) provided with at least one loading portion (21, 22) for loading the test tools (4A, 4B) stored in the storage portion, where the transporting member transports the test tools (4A, 4B) one by one. The storage portion includes a plurality of storage spaces (11, 12) each storing a plurality of test tools (4A, 4B). Preferably, in the test tool feeder (X1), with respect to each of the storage spaces (11, 12), selection can be made between a state in which the test tools (4A, 4B) are taken out from the storage space (11, 12) and a state in which the test tools (4A, 4B) are not taken out from the storage space.

Abstract: The present invention relates to a method of manufacturing an analytical tool, where the method includes a reagent member forming process for preparing a reagent member containing a reagent to react with a specific component contained in sample liquid. The reagent member forming process includes a plurality of applying and drying steps in which material liquid containing a reagent is applied and then the material liquid is dried. The applying and drying steps may be performed with use of material liquid containing the same reagent, for example. The applying and drying steps are performed 2-200 times, for example.

Abstract: The present invention relates to a technique for assaying a protein. With the present invention, a compound having a chemical structure expressed by the following Chemical Formula (1) is used as a protein assay indicator. In Chemical Formula (1), X1 is a halogen, a nitro group, or a nitroso group; X2 is a halogen; X3 is a halogen or hydrogen; X4 is a hydroxyl group or a salt thereof, and X5 is a carboxyl group or a salt thereof.

Abstract: The present invention relates to a lancet (A1) in which a first member (2) including a lancing element (1) and a second member (3) for accommodating the tip (1a) of the lancing element (1) are arranged movably relative to each other. In the lancet (A1), when a load greater than a predetermined value is applied in a direction to make the first and the second members (2, 3) approach each other, the tip (1a) of the lancing element (1) is capable of projecting from the second member (3) by relative movement between the first member (2) and the second member (3) in a direction to approach each other. The tip (1a) of the lancing element (1) can be accommodated in the second member (3) so as not to project from the second member (3) by relative movement between the first member (2) and the second member (3) in a direction to separate from each other.

Abstract: The present invention relates to an analytical tool (1) including a capillary (5) for moving a sample liquid introduced through a liquid introduction port (51), and a window (43) for checking that the sample liquid of an amount necessary for measurement is supplied into the capillary (5). In the analytical tool (1), an opaque region (45) is defined between the liquid introduction port (51) and the window (43). For example, the analytical tool (1) includes a substrate (2), a cover (4) defining the capillary (5) together with the substrate (2), and a working electrode (21) and a counter electrode (22) which include respective exposed portions (21a, 22a) facing the interior of the capillary (5). Preferably, at least part of the window (43) is formed at a region which avoids a position directly above the exposed portions (21a, 22a).

Abstract: An analyzer (A) includes a current measurer (42) for measuring the current flowing between paired electrodes (22a), (22b) when a sample is introduced to the reagent layer (23) of a sensor (2) and voltage is applied across the electrodes, while also including a processor (3) for analyzing the sample based on the current after a predetermined reference time point. The analyzer (A) further includes a fail determiner (44) which monitors the change of the current before and after the reference time point and determines that the sensor (2) is improper when the current change does not correspond to a predetermined current change.

Abstract: The present invention relates to an analytical tool (1) comprising a substrate (10), a capillary (13) which is formed on the substrate(10) and into which a sample liquid is to be loaded by movement of the sample liquid in the capillary. The substrate (10) is provided with a liquid movement preventer for preventing the sample liquid loaded into the capillary (13) from moving further. Preferably, the liquid movement preventer includes a stepped portion (18B) projecting from the substrate or a recess provided at the substrate.

Abstract: The present invention relates to a measuring instrument (1) comprising a channel (60) for moving a sample liquid (BL) containing a solid component (B1) and providing a liquid reaction field and first and second electrodes (31, 32) which are used to apply voltage to the liquid reaction field. The first electrode (31) has an electron transfer interface (31a) for transferring electrons between it and the liquid reaction field when voltage is applied to the liquid reaction field via the first and second electrodes (31, 32). The measuring instrument (1) comprises concentrating means (51) for increasing the concentration of solid components at portions thereof which contact the electron transfer interface (31a) in the liquid reaction field. The concentrating means (51) preferably comprises a water-absorbing layer containing an absorbent polymer material.

Abstract: The present invention relates to an analytical tool (Y) including a liquid introduction port (61), one or a plurality of flow paths (51) for moving a sample liquid introduced through the liquid introduction port (61), and a separation film (8) for filtering the sample liquid supplied to the liquid introduction port (61) and then introducing the sample liquid to one or plurality of flow paths (51). The analytical tool (Y) is structured to move the sample liquid through the separation film (8) in the thickness direction of the separation film (8) for filtration. The flow path (51) is structured to move the sample liquid by capillary action.

Abstract: The present invention relates to an analytical tool (X1) to be mounted to an analytical apparatus (1) which includes a plurality of terminals (11, 12) and an analysis circuit (13). The analytical tool includes a plurality of electrodes (21, 22) coming into contact with the plurality of terminals (11, 12) when mounted to the analytical apparatus (1). In the analytical tool (X1), at least one (12) of the electrodes (21, 22) serves as a disturbing-noise countermeasure electrode to which disturbing noise is more likely to come in comparison with the other electrodes (11) than the above-mentioned electrode (12).

Abstract: The present invention relates to a technique for measuring a glucose level by utilizing a reaction system containing an enzyme and an electron carrier. In accordance with the glucose level measuring method of the present invention, glucose dehydrogenase with cytochrome C attached thereto or glucose dehydrogenase derived from a microorganism belonging to a burkholderia genus is used as the enzyme, and a Ru compound is used as the electron carrier. The present invention further provides a glucose sensor in which glucose dehydrogenase with cytochrome C attached thereto or glucose dehydrogenase derived from derived from a microorganism belonging to a burkholderia genus is used as the enzyme, and a Ru compound is used as the electron carrier.

Abstract: A measurement data processing system is provided, which can transmit measurement data for processing from a data measuring device that has measured and stored the data to a data processing device without a complicated operation. When a personal measuring instrument (1) is connected to a cable (3), followed by turning on a power switch (1a) or when a personal measuring instrument (1) whose power switch (1a) is on is connected to a computer (2) via a cable (3), the computer (2) automatically executes a series of operations including fetching the measurement data stored in the personal measuring instrument (1), analyzing the data and then outputting the results of processing to a printer (4).

Abstract: A selective complex of a lipoprotein with hemoglobin or a hemoglobin analogue; a method of assaying hemoglobin or a hemoglobin analogue in a sample, comprising reacting the sample with a lipoprotein which is capable of selectively forming a complex with hemoglobin or a hemoglobin analogue; and a kit for assaying hemoglobin or a hemoglobin analogue, comprising a lipoprotein which is capable of selectively forming a complex with hemoglobin or a hemoglobin analogue.

Abstract: A suction generating device for a sample analysis device is provided. The device comprises four parts, namely, a cover plate 61, a middle plate 62, a bottom plate 63 and an operation plate 64. A protruding portion 642 for compressing the suction generating chamber is formed in an approximately center portion on the lower side of the operation plate 64, a protruding portion 641 for operation is formed in an approximately center portion on the upper side of the operation plate 64. A cavity 631 for inserting the sample analysis device therein is formed in an approximately center portion in the bottom plate 63; and a hole 632 for light irradiation is punched in a determined portion in the cavity 631. A concave portion 623 for fitting the operation plate 64 therein is formed in the middle plate 62, and a window section 621 is formed in the center of the concave portion 623 to let the lower protruding portion 642 on the operation plate 64 protrude therethrough.

Abstract: This invention provides a device for analyzing a sample which is capable of performing rapid and precise analysis of a small amount of sample, and whose gradient in a measuring apparatus is not limited. This device comprises approximately a rectangular plate shaped body comprising a base member made of resin and a transparent covering. A first depressed cylindrical concave portion is formed in the upper surface of the base member, and a groove is formed in communication with the first depressed cylindrical concave portion, the groove extending to the end of the protrusion portion 5c, and a second depressed cylindrical concave portion which is smaller than the first depressed cylindrical concave portion is formed in a certain position in the groove, the end of the groove opening to the outside at the end of the protrusion portion 5c. Then, the transparent covering is placed over the upper surface of the base member and then integrated together.

Abstract: A biosensor is provided, which can measure an analyte in a sample with high precision. The biosensor is produced by disposing a electrode system including a working electrode 12 and a counter electrode 13 on a substrate 11, and then forming a reagent layer 16 containing a reagent and particulates on the electrode system. The influence of the impurities in the sample on the electrode system can be eliminated by the particulates. The average particle diameter of the particulates preferably is in the range from 0.1 to 45 ?m.