Abstract: Provide is a sample analysis tool whose reactivity and reproducibility in analysis can be prevented from decreasing. The sample analysis tool 10 of the present invention includes a development member 11 and a plastic base 16, and at least part of the development member 11 is in contact with the plastic base 16. The sample analysis tool 10 further includes a hydrophilic component layer 15, and the hydrophilic component layer 15 is formed on part or the whole of at least one of a surface of the plastic base 16 and a surface of the development member 11. It is particularly preferable that the hydrophilic component layer 15 contains sucrose or N-methyl glucosamine. In the sample analysis tool 10 of the present invention, since the hydrophilic component layer 15 is formed on part or the whole of at least one of the surface of the plastic base 16 and the surface of the development member 11, it is possible to prevent the adhesion of a hydrophobic component(s) derived from the plastic base 16.
Abstract: A mount unit 10 is used for fixing, to a living body, a sensor 20 of which a portion 20a can be placed under the skin of the living body. The mount unit 10 includes a main body portion 11 that holds a placement of the portion of the sensor 20 under the skin of the living body and two or more holding portions 12a to 12d attached to the main body portion 11. Each of the holding portions 12a to 12d includes an adhesive material layer 13 capable of adhering to the living body and is movable so as to allow for selection between a state in which the adhesive material layer 13 is in contact with the living body and a state in which the adhesive material layer 13 is separate from the living body.
Abstract: Provided is an analysis method in which increase in a background can be prevented in a simple manner without cost. The analysis method of the present invention is carried out using a sample analysis tool 10 including a development member 11 in which a developing solution supply portion 12, a sample supply portion 13, and a detection portion 14 in which a substance 17 that specifically binds to an analyte 16 in a sample is immobilized are provided in this order from upstream to downstream along the flow of a developing solution. A sample solution is supplied to the sample supply portion 13, and a developing solution is supplied to the developing solution supply portion 12 simultaneously with the supply of the sample solution or prior to the supply of the sample solution. By the development of the developing solution in the development member 11 in the presence of a labeled specifically binding substance 15, the sample solution is introduced to the detection portion 14.
Abstract: Analysis equipment is provided, which is capable of fulfilling a demand for miniaturization and ensuring high sensitivity, and which can be produced easily. The present invention relates to a method of continuously measuring a substrate concentration based on a response when a voltage is applied to a sensor. The present invention includes a response voltage application step of applying a response voltage E2 at which a response attributed to a substrate is obtained and a non-response voltage application step of applying a non-response voltage E1 at which the response attributed to the substrate is not obtained or is not substantially obtained. Preferably, the response voltage application step and the non-response voltage application step are repeated alternately.
Abstract: A user-specific data provision system includes: a handheld device transmitting user-specific information held specifically by a user and user's biometric information acquired by measuring biometric information of the user; the server device receiving the user-specific information and the user's biometric information; and a medical facility terminal receiving information transmitted from the server device, a server device including an access point information determining unit acquiring access point information representing an access point to which the handheld device belongs at present and determining whether the access point is changed or not, at least one of the handheld device and the server device, further including a biometric information prediction determining unit determining whether or not the user's biometric information satisfies a predetermined criterion, wherein the server device transmits the user-specific information to the medical facility terminal when determining that the access point is chang
Type:
Application
Filed:
April 9, 2010
Publication date:
February 2, 2012
Applicant:
ARKRAY, Inc.
Inventors:
Koji Katsuki, Go Shionoya, Kazuya Iketani
Abstract: Provided are a method of detecting a target with high accuracy, a method of suppressing an increase in background, and a detection apparatus. A first target-binding substance that is immobilized at a carrier and is capable of binding to a target and a second target-binding substance that supports a labeling substance and is capable of binding to the target are used. By reacting a sample, the first target-binding substance, and the second target-binding substance, a complex of the target in the sample, the first target-binding substance, and the second target-binding substance is formed in a first container. Subsequently, after the complex is transferred from the first container to a second container, the complex is detected by detecting the labeling substance in the second container.
Abstract: A probe for detecting a polymorphism in exon 12 of the JAK2 gene, the probe comprising at least one of the oligonucleotides in (a) to (c) below: (a) an oligonucleotide having a nucleotide sequence homologous to the sequence complementary to a nucleotide sequence having a length of 19 to 50 nucleotides containing the nucleotides 114 to 132 of SEQ ID NO:1; (b) an oligonucleotide having a nucleotide sequence homologous to the sequence complementary to a nucleotide sequence having a length of 22 to 50 nucleotides containing the nucleotides 122 to 143 of SEQ ID NO:1; and (c) an oligonucleotide having a nucleotide sequence homologous to a nucleotide sequence having a length of 10 to 50 nucleotides containing the nucleotides 41 to 50 of SEQ ID NO:11.
Abstract: A method for displaying a chromatogram as a combination of HbA1c region where HbA1c elutes and HbA0 region where HbA0 and one or more variant Hb's elute, the method includes steps of: determining, based on priority levels of HbA0 and one or more variant Hb's, display form of the HbA0 region so that a peak of a component with higher priority level among HbA0 and one or more variant Hb's whose peaks are to be displayed in the HbA0 region is displayed more preferentially; and displaying the HbA0 region in the determined display form and the HbA1c region, concurrently.
Abstract: An analyzing system that enables further expansion of analysis items and automation of analysis. In the analyzing system for performing an analysis using container 1 and an analyzing apparatus, container 1 is a dedicated container previously containing a reagent for a specific analysis item or an expansion container to which a user can freely set an analysis item.
Abstract: The biosensor unit has a substrate composed of a subcutaneously retained part that is retained under the skin and a base part that is placed on the skin surface. The biosensor unit comprises a sensor part detecting numerical information regarding a substance to be measured as electric signals, a signal amplifying part amplifying the electric signals, a CPU including a calculation part A/D converting the amplified electric signals and processing them to create transmittable data, a storage storing electric signals and data, a transmission part transmitting data to an external device through optical communication, and a battery part for drive. The sensor part is provided on the subcutaneously retained part and the transmission part is provided on the base part.
Abstract: An analysis apparatus includes a plurality of separation channels, a detector, and a control unit. In each separation channel, a particular component contained in a sample is separated from other components. The detector detects the separated particular component. The control unit controls an analysis step and a preprocessing step. The analysis step includes a separation step of performing the separation and a detection step of performing the detection in each separation channel. The preprocessing step is performed to put each separation channel into a state in which it can perform the analysis step. The control unit simultaneously carries out at least parts of the preprocessing steps of at least two of the plurality of separation channels.
Abstract: The ionic strength of a diluent for preparing an analytical sample is set to be 0.06 to 0.16. The analytical sample prepared by using the diluent having the ionic strength within this range can be subjected to both for analyzing a first object in a test sample by electrode method and for analyzing a second object in the test sample by liquid chromatography method, and high-precision measurement can be attained. The analytical sample is especially useful for preparing a sample for measurement used both for measuring glucose concentration in a blood sample by enzyme electrode method and for measuring glycohemoglobin concentration in the blood sample by liquid chromatography method.
Type:
Application
Filed:
June 22, 2011
Publication date:
January 19, 2012
Applicants:
SEKISUI MEDICAL CO., LTD., ARKRAY, Inc.
Abstract: Provided is a prozone phenomenon detecting method, by which generation of a prozone phenomenon can be detected even when a conventional specimen analysis tool is used, and examinations using an immunochromatography method and the like can be performed efficiently. In the method, a specimen analysis tool containing substances that specifically bind to a target component contained in a sample is used. The specimen analysis tool is obtained by arranging a sample supplying portion, a reagent portion, and a detection portion on the porous base material from upstream to downstream in a sample moving direction in this order. The reagent portion contains a labeled substance that specifically binds to the target component. The detection portion contains an immobilized substance that specifically binds to the target component.
Abstract: A probe for detecting a polymorphism in ab1 gene, said probe comprising at least one fluorescence-labeled oligonucleotide selected from P1 below: (P1) an oligonucleotide comprising a nucleotide sequence complementary to a nucleotide sequence of 10 to 50 consecutive nucleotides containing nucleotides 125 to 133 in SEQ ID NO:1 or 2 or a homologous sequence thereof, wherein the nucleotide corresponding to the nucleotide at position 125 is cytosine and labeled with a fluorescent dye.
Abstract: A biosensor manufacturing method including a sheet material forming process and a dicing process. In the sheet material forming process a sheet material with plural biosensor forming sections is formed. Each of the biosensor forming sections includes a first base plate, a second base plate stacked on the first base plate and forming a capillary between the second base plate and the leading end portion of the first base plate for sucking in sample liquid, and a hydrophilic layer formed on the second base plate at least in a region facing the capillary. In the dicing process plural biosensors are obtained by dicing the sheet material with a blade from the first base plate side at the leading end of each of the biosensor forming sections, such that the leading end of the capillary opens onto the leading end face of the first base plate and the second base plate.
Abstract: A nucleic acid abundance ratio measurement device includes a detection section that detects a detection signal over different temperature ranges of a melting curve for a nucleic acid mixture having one or more melting temperatures, and an abundance ratio computation section that computes a nucleic acid abundance ratio based on a ratio of characteristic amounts obtained from the detection signal detected by the detection section and based on detection amount data.
Abstract: A measurement of plasma glucose is carried out through the following steps, a sample preparation step (S101, S102) of preparing a measurement sample by hemolyzing hemocytes in blood, a step of measuring whole blood glucose (S103 to S105) of measuring a glucose concentration in whole blood with the measurement sample, and a step of calculating a liquid content ratio of whole blood (S109) of calculating a liquid content ratio of whole blood from a hemocyte/plasma ratio in the blood hemocyte and predetermined ratios of liquid components of hemocytes and of liquid components of plasma.
Abstract: The present invention provides an electrochemical sensor comprising a substrate, an electrically conductive layer made of carbon particles which is disposed on the substrate, a cell membrane mimetic structure layer containing an enzyme at least one of inside the cell membrane mimetic structure layer and on the interface of the cell membrane mimetic structure layer which is disposed on the electrically conductive layer.
Type:
Application
Filed:
February 4, 2010
Publication date:
December 22, 2011
Applicant:
ARKRAY, Inc.
Inventors:
Koji Katsuki, Yoshiaki Fujinawa, Masashi Tsukada, Yosuke Murase
Abstract: The present invention is directed to a laser perforation apparatus including a laser light oscillator for emitting laser light that radiates skin, and a protection member 4—disposed on an optical path taken by the laser light as the laser light is emitted from the laser light oscillator and reaches the skin. The protection member 4—covers a laser light emitting portion in the laser light oscillator and includes plural laser light transmission portions permitting transmission of the laser light. Preferably, the protection member 4—is configured to be movable in a direction intersecting a transmission direction of the laser light.
Abstract: An analysis apparatus includes a first analysis unit which collects samples by utilizing a first nozzle to analyze the sample, a second analysis unit which collects samples by utilizing a second nozzle to analyze the sample, and a transport apparatus which transports a plurality of sample vessels along a predetermined transport route. When a predetermined waiting state is provided such that the transport of the plurality of sample vessels is interrupted or stopped, then the sample collecting position is changed for at least one of the first and second nozzles, and the samples are collected from the plurality of sample vessels by means of the nozzle having the changed position. Accordingly, it is possible to enhance the efficiency of the analysis process performed by the analysis apparatus, while suppressing the transport apparatus from being large-sized and suppressing the structure from being complicated.