Abstract: The invention provides a method for producing radiolabeled tyrosine derivatives with good purity and stability, by a safe method suitable for industrial production of pharmaceuticals. The invention relates to a method for producing Compound (5) and Radiolabeled Compound (6) as follows: wherein each symbol is as defined in the description.

Abstract: Disclosed is a method for managing information on a blood product with a computer, including: obtaining a measurement result of a specimen, collected from the blood product, which is measured by a blood analyzer with product identification information of the blood product being used as specimen identification information of the specimen, and the specimen identification information; and in a database in which information on the blood product is stored in association with the product identification information, associating the measurement result with other information on the blood product other than the measurement result, on the basis of the product identification information used as the specimen identification information.

Abstract: A blood analyzer according to one or more embodiments may include: a specimen preparation part that prepares a measurement specimen by mixing a reagent into a blood preparation; a measurement part that measures the measurement specimen; a measurement mode selection unit that receives an input of a type of blood preparation as a measurement target selected from a plurality of types of blood preparations; and a controller. The controller may cause the specimen preparation part to prepare the measurement specimen depending on the selected type of blood preparation.

Abstract: A blood analyzer according to one or more embodiments may include: a specimen preparation part that prepares a measurement specimen by mixing a reagent into a blood preparation; a measurement part that measures the measurement specimen; a measurement mode selection unit that receives an input of a type of blood preparation as a measurement target selected from a plurality of types of blood preparations; and a controller. The controller may cause the specimen preparation part to prepare the measurement specimen depending on the selected type of blood preparation.

Abstract: A blood analyzer according to one or more embodiments may include: a specimen preparation part that prepares a measurement specimen by mixing a reagent into a blood preparation; a measurement part that measures the measurement specimen; a measurement mode selection unit that receives an input of a type of blood preparation as a measurement target selected from a plurality of types of blood preparations; and a controller. The controller may cause the specimen preparation part to prepare the measurement specimen depending on the selected type of blood preparation.

Abstract: A management system includes a plurality of analyzers; and a computer system connected to the analyzers via a network, wherein each of the analyzers comprises: a data transmitter for transmitting data produced by the analyzer to the computer system via the network, and wherein the computer system includes a memory under control of a processor, the memory storing instructions enabling the processor to carry out operations, comprising: (a) receiving a plurality of data transmitted from the data transmitters of the plurality of analyzers; (b) generating an aggregate result used for determining a determination condition for making a determination as to whether or not a notification to a user of the analyzer is required based on the plurality of received data; and (c) outputting the aggregate result. A computer system and a method of providing information are also disclosed.

Abstract: A management system includes a plurality of analyzers; and a computer system connected to the analyzers via a network, wherein each of the analyzers comprises: a data transmitter for transmitting data produced by the analyzer to the computer system via the network, and wherein the computer system includes a memory under control of a processor, the memory storing instructions enabling the processor to carry out operations, comprising: (a) receiving a plurality of data transmitted from the data transmitters of the plurality of analyzers; (b) generating an aggregate result used for determining a determination condition for making a determination as to whether or not a notification to a user of the analyzer is required based on the plurality of received data; and (c) outputting the aggregate result. A computer system and a method of providing information are also disclosed.

Abstract: A management system includes a plurality of analyzers; and a computer system connected to the analyzers via a network, wherein each of the analyzers comprises: a data transmitter for transmitting data produced by the analyzer to the computer system via the network, and wherein the computer system includes a memory under control of a processor, the memory storing instructions enabling the processor to carry out operations, comprising: (a) receiving a plurality of data transmitted from the data transmitters of the plurality of analyzers; (b) generating an aggregate result used for determining a determination condition for making a determination as to whether or not a notification to a user of the analyzer is required based on the plurality of received data; and (c) outputting the aggregate result. A computer system and a method of providing information are also disclosed.

Abstract: A quality control method using a plurality of analyzers and a control device connected to the analyzers via a network, the method comprising: (a) measuring quality control samples by the analyzers; (b) collecting a plurality of quality control data obtained by measuring the quality control samples; (c) implementing a quality control by the control device based on the collected quality control data; (d) obtaining uncertainty of measurement of analyzer based on uncertainty of analyzer calibration and the quality control data; (e) outputting a result of the quality control; and (f) outputting the uncertainty of measurement is disclosed. A quality control system and an analyzer are also disclosed.

Abstract: A management system includes a plurality of analyzers; and a computer system connected to the analyzers via a network, wherein each of the analyzers comprises: a data transmitter for transmitting data produced by the analyzer to the computer system via the network, and wherein the computer system includes a memory under control of a processor, the memory storing instructions enabling the processor to carry out operations, comprising: (a) receiving a plurality of data transmitted from the data transmitters of the plurality of analyzers; (b) generating an aggregate result used for determining a determination condition for making a determination as to whether or not a notification to a user of the analyzer is required based on the plurality of received data; and (c) outputting the aggregate result. A computer system and a method of providing information are also disclosed.

Abstract: A quality control method using a plurality of analyzers and a control device connected to the analyzers via a network, the method comprising: (a) measuring quality control samples by the analyzers; (b) collecting a plurality of quality control data obtained by measuring the quality control samples; (c) implementing a quality control by the control device based on the collected quality control data; (d) obtaining uncertainty of measurement of analyzer based on uncertainty of analyzer calibration and the quality control data; (e) outputting a result of the quality control; and (f) outputting the uncertainty of measurement is disclosed. A quality control system and an analyzer are also disclosed.

Abstract: A reagent for measurement of leukocytes and hemoglobin concentration in the blood includes a cationic surfactant in an amount sufficient to lyse erythrocytes and denature hemoglobin, at least one of the following hemoglobin stabilizers:(a) sulfosalicylic acid, or its salt, in an amount effective for promoting the conversion of hemoglobin into methemoglobin,(b) 0.2 to 10.0 g/L of a water-soluble chelating agent having a nitrogen atom and a carboxyl group, and(c) piperazine, or its salt, in an amount effective for promoting the conversion of hemoglobin into methemoglobin, anda buffer for maintaining pH at 4 to 6.

Abstract: A reagent for measurement of leukocytes and hemoglobin concentration in the blood includes a cationic surfactant in an amount sufficient to lyse erythrocytes and denature hemoglobin, at least one of the following hemoglobin stabilizers: (a) sulfosalicylic acid, or its salt, in an amount effective for promoting the conversion of hemoglobin into methemoglobin, (b) 0.2 to 10.0 g/L of a water-soluble chelating agent having a nitrogen atom and a carboxyl group, and (c) piperazine, or its salt, in an amount effective for promoting the conversion of hemoglobin into methemoglobin, and a buffer for maintaining pH at 4 to 6.