Abstract: Disclosed are a method for determining a platelet concentration of a blood sample, a hematology system and a storage medium.

Abstract: An amphibious robot for in-service inspection of drainage pipelines and a control method thereof are provided. The robot includes a robot body, a detection module for detecting environmental state and pose information of robot itself, a propulsion module including a car-like propulsion module and a ship-like propulsion module for controlling robot movement, a structure conversion module for realizing the conversion between the two modes, a ground terminal controller for remote information monitoring and issuing instructions, a mobile terminal controller for receiving instructions and controlling robot movement and structure conversion, and a power module.

Abstract: A method, system and storage medium for providing an alarm for indicating that an abnormality is present in a sample analyzer are provided. The method includes: mixing a first aliquot of a blood sample with a diluent agent to prepare a first test sample; mixing a second aliquot of the blood sample with a lytic reagent to prepare a second test sample; detecting electrical impedance signals of the first test sample; detecting at least two types of optical signals of the second test sample; acquiring first platelet detection data based on the electrical impedance signals; acquiring second platelet detection data based on the at least two types of optical signals; acquiring an evaluation result based on a difference between the first platelet detection data and the second platelet detection data; determining whether the evaluation result meets a preset condition to provide an alarm.

Abstract: A blood analysis method, a blood analysis system, and a storage medium are provided. The blood analysis method includes: providing a blood sample; mixing a first aliquot of the blood sample with a diluent to prepare a first test sample; mixing a second aliquot of the blood sample with a lytic reagent to prepare a second test sample; detecting electrical impedance signals of the first test sample to obtain first volume distribution data; detecting at least two types of optical signals of the second test sample to obtain second volume distribution data; acquiring red blood cell test data of the blood sample; determining, based on the first volume distribution data, the second volume distribution data, and the red blood cell test data, whether the blood sample contains schistocytes; and if the determination result is yes, providing a warning that the blood sample may contain schistocytes.

Abstract: Disclosed are a method for determining a platelet concentration of a blood sample, a hematology system (100) and a storage medium.

Abstract: A sample analyzer includes a sample preparation device, an impedance testing device, an optical testing device, and a controller. The controller is configured to control the impedance testing device to test a first test sample to obtain a first platelet counting result for a test blood sample based on electronic information of the first test sample; control the optical testing device to test a second test sample to obtain a second platelet counting result for the test blood sample based only on optical information of the second test sample or based on both the electronic information of the first test sample and the optical information of the second test sample; determine whether the first platelet counting result is unreliable due to abnormality of the test blood sample; and output the first and/or the second platelet counting result according to the result of the determination.

Abstract: A method, system and storage medium for providing an alarm for indicating that an abnormality is present in a sample analyzer are provided. The method includes: mixing a first aliquot of a blood sample with a diluent agent to prepare a first test sample; mixing a second aliquot of the blood sample with a lytic reagent to prepare a second test sample; detecting electrical impedance signals of the first test sample; detecting at least two types of optical signals of the second test sample; acquiring first platelet detection data based on the electrical impedance signals; acquiring second platelet detection data based on the at least two types of optical signals; acquiring an evaluation result based on a difference between the first platelet detection data and the second platelet detection data; determining whether the evaluation result meets a preset condition to provide an alarm.

Abstract: A blood cell analysis method and a blood cell analyzer are provided. In the method and analyzer, characteristic information of white blood cell fragments is obtained based on side scattered light information and fluorescence information, characteristic information of platelets is obtained based on forward scattered light information and fluorescence information and then a count value for the platelets is acquired based on the characteristic information of the platelets and the characteristic information of the white blood cell fragments. The present invention can avoid the influence of the white blood cell fragments on the platelet counting, thereby ensuring the accuracy of the platelet counting without increasing costs.

Abstract: A blood cell analysis method and a blood cell analyzer are provided. In the method and analyzer, characteristic information of white blood cell fragments is obtained based on side scattered light information and fluorescence information, characteristic information of platelets is obtained based on forward scattered light information and fluorescence information and then a count value for the platelets is acquired based on the characteristic information of the platelets and the characteristic information of the white blood cell fragments. The present invention can avoid the influence of the white blood cell fragments on the platelet counting, thereby ensuring the accuracy of the platelet counting without increasing costs.

Abstract: Blood analysis apparatus, method, and storage medium are provided, including: obtaining optical signals of a first test sample; determining a first test result of a blood sample from the optical signals of the first test sample; determining whether any one or a combination of reticulocytes, immature platelets and large-volume platelets in the blood sample is abnormal from the optical signals of the first test sample; outputting the first test result if it is determined that reticulocytes, immature platelets and large-volume platelets in the blood sample are normal; if it is determined that any one or a combination of reticulocytes, immature platelets and large-volume platelets in the blood sample is abnormal, preparing a second test sample and obtaining optical signals of the second test sample; and obtaining a second test result of the blood sample from the optical signals of the second test sample and outputting the first test result.

Abstract: Provided are a sample analyzer and a sample analysis method. The sample analyzer includes: a sampling apparatus configured to collect a blood sample; a sample preparation apparatus configured to mix the blood sample with a hemolytic agent and a dye to prepare a test sample liquid; an optical detection apparatus configured to detect side-scattered light signals and fluorescence signals generated by particles in the test sample liquid; and a processor configured to: generate a scatter diagram based on at least the side-scattered light signals and the fluorescence signals, and obtain a predetermined feature region, wherein an intensity of side-scattered light corresponding to a central position of the predetermined feature region is greater than an intensity of side-scattered light corresponding to a central position of a region containing neutrophil granulocyte population; and obtain a blast cell parameter based on the predetermined feature region.

Abstract: An alarming method for a platelet aggregation sample can include providing a blood sample, preparing a first test sample from the blood sample under a first reaction condition, acquiring a test signal of the first test sample, and obtaining first platelet test data. The method can also include preparing a second test sample from the blood sample under a second reaction condition, acquiring a test signal of the second test sample, and obtaining second platelet test data. The method can further include obtaining an evaluation result based on the first platelet test data and the second platelet test data, determining whether the evaluation result meets a predetermined condition, and alarming that the blood sample may be the platelet aggregation sample if the evaluation result meets the predetermined condition. The second reaction condition may include a reaction condition for reducing the platelet aggregation degree of the blood sample.

Abstract: Provided are a method and device for recognizing hook effect in immune turbidimetry, and a computer readable medium. This method generates a reaction curve using light signals measured in a predetermined time period by immune reaction of analyte in a sample, and uses distribution information of the reaction curve in the predetermined time period to determine whether the sample has hook effect. This method only uses measurement information of a small predetermined time period in entire reaction time to determine whether a sample has hook effect, and terminates the test in time, thus accelerating the speed of immune turbidimetry detection of samples with hook effect.

Abstract: A method for identifying fragmented red blood cells comprising: acquiring side scatter light signals and fluorescence signals of cell particles in a sample liquid; and distinguishing and identifying a fragmented red blood cell population from the cell particles according to the side scatter light signals and the fluorescence signals of the cell particles. The fragmented red blood cell population can be identified from the cell particles by processing and analyzing the side scatter light signals and fluorescence signals of the sample liquid. The present application further provides a device for identifying fragmented red blood cells, a blood cell analyzer and an analysis method. Fragmented red blood cells can be identified according to the fluorescence that characterizes a nucleic acid content in a cell particle and the side scatter light, thus reducing errors in identification and counting.

Abstract: Disclosed are a method for detecting a blood sample, a blood cell analyzer, and a storage medium. The method includes: acquiring at least two types of optical signal values of cells in a sample from a target detection channel, and generating a scattergram or a data array according to the at least two types of optical signal values of the cells; detecting cell distribution information of an aging characteristic region in the scattergram or data array; and outputting a detection result according to the cell distribution information.

Abstract: A method, system and storage medium for providing an alarm for indicating that an abnormality is present in a sample analyzer are provided. The method includes: mixing a first aliquot of a blood sample with a diluent agent to prepare a first test sample; mixing a second aliquot of the blood sample with a lytic reagent to prepare a second test sample; detecting electrical impedance signals of the first test sample; detecting at least two types of optical signals of the second test sample; acquiring first platelet detection data based on the electrical impedance signals; acquiring second platelet detection data based on the at least two types of optical signals; acquiring an evaluation result based on a difference between the first platelet detection data and the second platelet detection data; determining whether the evaluation result meets a preset condition to provide an alarm.

Abstract: A blood analysis method, a blood analysis system, and a storage medium are provided. The blood analysis method includes: providing a blood sample; mixing a first aliquot of the blood sample with a diluent to prepare a first test sample; mixing a second aliquot of the blood sample with a lytic reagent to prepare a second test sample; detecting electrical impedance signals of the first test sample to obtain first volume distribution data; detecting at least two types of optical signals of the second test sample to obtain second volume distribution data; acquiring red blood cell test data of the blood sample; determining, based on the first volume distribution data, the second volume distribution data, and the red blood cell test data, whether the blood sample contains schistocytes; and if the determination result is yes, providing a warning that the blood sample may contain schistocytes.

Abstract: Disclosed are a blood analysis system, a blood analyzer, a blood analysis method and a storage medium. The blood analysis method includes: acquiring at least two types of optical signals of a test sample derived from a blood sample, wherein red blood cells in the test sample are lysed, blood cells in the test sample are stained by a fluorescence dye, and the at least two types of optical signals include scattered light signals and/or fluorescent signals; generating a scattergram based on the at least two types of optical signals; identifying a preset region in the scattergram based on the at least two types of optical signals; and acquiring detection data of a platelet subpopulation based on the preset region.

Abstract: A blood analyzer and a blood analysis method thereof are provided. The blood analyzer includes a test sample preparation apparatus, a flow chamber, a measurement apparatus and a data processor. The method adopts a white blood cell measurement channel to detect a test blood sample subjected to hemolysis and fluorescence staining and utilizes data in a blood ghost region to identify reticulocyte particles, thereby realizing differentiation of reticulocytes and large platelets and realizing finer classification and count of reticulocytes without separately designing an optical detection channel in the blood analyzer. A computer readable storage medium is also disclosed, in which a program is stored, and the program can be executed by the data processor to implement the above method.

Abstract: Disclosed are a method for determining a platelet concentration of a blood sample, a hematology system (100) and a storage medium.