Abstract: A measurement device including a processor, wherein the processor is configured to transmit advertisement information to a communication terminal in advertisement processing for establishing communication between a host device and the communication terminal, the advertisement information including state information indicating a state of the host device and bonding information indicating a presence or an absence of storage of an encryption key used for communication with the communication terminal, and in advertisement processing for re-establishing communication after the encryption key is shared between the host device and the communication terminal, the advertisement information includes bonding information indicating stored of the encryption key and state information indicating a current state of the host device.

Abstract: The present disclosure provides a quality control substance for use in the analysis of leukocytes, which can be prepared safely with easily available raw materials, which has excellent preservation stability, and which can be used in the analysis of sediments in a sample. This quality control substance includes artificial particles whose form as observed with a microscope is similar to the form of leukocytes as observed therewith.

Abstract: The present disclosure provides a quality control substance for use in the analysis of erythrocytes, which can be prepared safely with easily available raw materials, which has an excellent preservation stability, and which can be used in the analysis of sediments in a sample. This quality control substance includes artificial particles whose form as observed with a microscope is similar to the form of erythrocytes as observed therewith.

Abstract: A guidance method guides a camera held by a holder holding the camera that captures a field of view of a microscope through an eyepiece lens of the microscope to an appropriate holding position with respect to an optical axis of the eyepiece lens. The guidance method comprises a computer executes: acquiring, from the camera, an image of the field of view captured by the camera held by the holder; specifying a visual field area in the image corresponding to the field of view; obtaining a center of gravity coordinate of the visual field area; and creating guidance information to the holding position based on a comparison between the center of gravity coordinate and a reference coordinate corresponding to a center of gravity of the visual field area obtained from an image captured by the camera held at the holding position.

Abstract: A measurement device including an insertion port into which a sensor is inserted and plural terminals that contacts the sensor, wherein the terminals slide on a contact surface of the sensor at which a measurement target component is measured, a first electrode group located on a rear end side and a second electrode group located on a farther distal end side are provided on the contact surface, the plural terminals receive normal forces from the contact surface and include a first terminal group that contacts the first electrode group on a side closer to the insertion port than a side on which a second terminal group contacts the second electrode group, and a sum of normal forces that the first terminal group receives from the contact surface is smaller than a sum of normal forces that the second terminal group receives from the contact surface.

Abstract: A measurement system including a sensor and a measurement device including an insertion port for the sensor, wherein the measurement device measures a measurement target component at the sensor and includes plural terminals contacting the sensor, and the terminals slide on a contact surface of the sensor, the contact surface has a first electrode group on a rear end side and a second electrode group on a distal end side, the plural terminals receive static frictional forces from the contact surface and include a first terminal group contacting the first electrode group on a side closer to the insertion port than a side on which a second terminal group contacting the second electrode group, and a sum of static frictional forces that the first terminal group receives from the contact surface is smaller than a sum of static frictional forces that the second terminal group receives from the contact surface.

Abstract: A nozzle structure includes: a nozzle that includes a pressed portion; and a holder that includes an adjustment portion and that supports the nozzle, in which the pressed portion is formed in an annular shape having an axis that is identical to an axis of the nozzle, the adjustment portion faces the pressed portion with a space therebetween obliquely above the pressed portion, in a state in which the nozzle is supported by the holder, and the adjustment portion returns the nozzle to a central axis side by a reaction force when the pressed portion abuts the adjustment portion.

Abstract: A method of measuring stable hemoglobin A1c by a hemoglobin separation analysis method based on cation exchange, the method comprising: obtaining an analysis signal from a blood specimen to be measured by the separation analysis method; determining a C value, which is a peak value of a stable hemoglobin A1c peak, and an X value, which is a peak value of a specific peak appearing between the stable hemoglobin A1c peak and a hemoglobin A0 peak, from the analysis signal; and correcting the C value by applying the C value and the X value to a predetermined arithmetic expression to obtain a C? value that is a reduced value from the C value, wherein the arithmetic expression is determined based on a correlation between a C value and an X value obtained from a blood specimen in which a stable hemoglobin A1c value is known by the separation analysis method.

Abstract: A liquid chromatography column comprising: a column tube including a flow path that runs therethrough in an axial direction of the column tube and that is filled with a filler; a filter unit that is mounted at an axial direction end of the column tube to trap the filler inside the flow path; and a cap that includes a through hole communicated with the flow path through the filter unit and that is mounted at the column tube, wherein a gap, which is a space into which the filler overflowing from the flow path can escape when the cap is being attached to the column tube, is formed at an outer side of a contact surface at which the column tube and the filter unit contact each other.

Abstract: An information processing device includes an acquisition section that is coupled to a camera that continuously images a sample including a material component and flowing through a flow cell in time series and generates a first image of the sample and a second image in which a portion continuous to the first image in time series overlaps a part of the first image, and acquires the first image and the second image generated by the camera, and an image output section that outputs a composite image obtained by combining the first image and the second image.

Abstract: There is provided a method of feeding a sample liquid to a flow cell having a merging path in which a sample liquid and a sheath liquid flow, at least one sheath liquid flow path that introduces the sheath liquid into the merging path along a flowing direction of fluid in the merging path, and a sample flow path introducing the sample liquid into the merging path at an angle orthogonal to the flowing direction, wherein, given that an opening surface area of a sheath liquid introducing opening of the sheath liquid flow path onto the merging path is S1, an opening surface area of a sample liquid introducing opening of the sample flow path onto the merging path is S2, a flow rate per unit time of the sheath liquid supplied to the sheath liquid flow path is L, and a flow rate per unit time of the sample liquid supplied to the sample flow path is J, a relationship (L/S1)/(J/S2)?0.7 is satisfied.

Abstract: An electrophoresis device (analysis system) is an electrophoresis device that electrophoreses a sample in a capillary by applying a voltage to a pair of electrodes in a microchip (analysis tool) provided with the pair of electrodes at both ends of the capillary. The electrophoresis device includes: an installation unit installing the microchip, a first terminal and a second terminal respectively in contact with one and the other of the pair of electrodes of the microchip installed in the installation unit, a power supply device (voltage application unit) connected to the first terminal and the second terminal and applying a voltage in the capillary, and a terminal rotation unit (changing unit) changing a combination of electrical connections between the pair of electrodes, and the first terminal and the second terminal.

Abstract: A method that is capable of stably preserving hemoglobin in a solution. A method for stabilizing hemoglobin in a solution includes causing at least one of acetylacetone or uric acid to coexist in the solution containing hemoglobin.

Abstract: The present disclosure provides a preservation liquid for calcium oxalate dihydrate crystals, which is a solution containing an anionic surfactant or a non-ionic surfactant. Also provided is a method for preserving calcium oxalate dihydrate crystals, the method including preserving calcium oxalate dihydrate crystals in a solution containing an anionic surfactant or a non-ionic surfactant.

Abstract: An object of the present disclosure to provide a quality control substance which is used in a urine sediment analyzer, and which is for performing quality control in the analysis of squamous epithelial cells that can be present in urine. The present disclosure achieves the above-described object, by using squamous epithelial cells derived from a mammal as the quality control substance to be used in the urine sediment analyzer.

Abstract: There is provided a stable glycohemoglobin measurement method. In the method, a processor executes a process to separate hemoglobin in blood to acquire a hemoglobin A1c peak derived from stable glycohemoglobin, hemoglobin A peaks including fractions derived from hemoglobin A, and hemoglobin-derived peaks fractionated other than the hemoglobin A peaks and find the value of the stable glycohemoglobin by performing a correction calculation to lower, based on the area of a peak selected from among the hemoglobin-derived peaks fractionated other than the hemoglobin A peaks, a value obtained by dividing the area of the hemoglobin A1c peak by the areas of the hemoglobin A peaks.

Abstract: A filter device includes a first filter, a first retaining member that has a hollow shape, the first filter being fitted inside the first retaining member, a second filter that has a smaller pore size than the first filter, a second retaining member that is disposed downstream of the first filter and that has a hollow shape, the second filter being fitted inside the second retaining member, and a spacer that has a hollow shape, that is disposed between the first retaining member and the second retaining member, that maintains a non-contact state between the first filter and the second filter, and that includes a first contact portion contacting the first filter.

Abstract: In one aspect, a biosensor that is capable of performing measurement with a high reproducibility, and a method of manufacturing the biosensor are provided. The present disclosure, as one aspect, relates to a biosensor that comprises a base material, a conductive part including two or more electrodes provided on a surface of the base material, and a reagent layer provided on at least a part of the conductive part, wherein the reagent layer is a reagent layer with the reagent stacked three-dimensionally, obtained by repeatedly forming droplet dots of the reagent on the conductive part.

Abstract: A biosensor that is capable of performing measurement with a high reproducibility is provided in one aspect. The present disclosure, as one aspect, relates to a biosensor that includes a base material, a conductive part including two or more electrodes provided on a surface of the base material, and a reagent layer provided on at least a part of the conductive part, the reagent layer has a mean thickness of 5 ?m to 10 ?m and a mean thickness difference, calculated based on the following formula, of ?6 ?m to +5 ?m.

Abstract: A control device includes an acquiring unit that performs chromatography on a sample containing a reference component and a component to be analyzed that is a first component or a second component to acquire a retention time of a reference peak, an index value, and a peak retention time of the component to be analyzed; and an identifying unit that obtains the threshold based on a correlation stored in ROM, the acquired retention time of the reference peak, and the index value, and compares the threshold with the peak retention time of the component to be analyzed to identify whether a peak of the component to be analyzed is a first peak or a second peak.