Abstract: A method for analyzing nucleated red blood cells in a blood sample includes obtaining fluorescence signals and scattered light signals of cells in a blood sample; classifying and counting ghost particles, white blood cells, and nucleated red blood cells in the blood sample according to the fluorescence signals and the scattered light signals; obtaining a characteristic value of a characteristic particle population related to the nucleated red blood cells; and ascertaining a final nucleated red blood cell detection result according to the classifying and counting result of the nucleated red blood cells and the characteristic value of the characteristic particle group.

Abstract: The present application relates to washing machine assembly. The described washing machine assembly comprises a body, an outer drum, an inner drum, a door assembly and an ultrasound apparatus; the outer drum is connected to the body, and an accommodating container and an open groove that communicate with each other are formed inside of the outer drum; the inner drum is located inside of the accommodating container and a washing tank is formed in the inner drum; the door assembly is rotatingly connected on the outer drum, the door assembly covers the outer drum so as to block the open groove, and an mounting hole is formed inside of the door assembly; the ultrasound apparatus is located inside of the mounting hole and is connected to the door assembly, and the ultrasound apparatus is at least partially located inside of the washing tank.

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 nucleated red blood cell warning devices and methods, and flow cytometers using the same. The devices, methods and flow cytometers can warn whether nucleated red blood cells exist in a blood sample. The warning device may obtain forward-scattered light information, side-scattered light information and fluorescence information when cells in the blood sample pass through a detection region of the flow cytometer. The warning device may generate a side-scattered light-fluorescence dot plot, so as to classify leucocytes into four groups, and may generate a forward-scattered light-fluorescence dot plot, where the forward-scattered light-fluorescence dot plot can include a leucocyte group region. The warning device may obtain a predetermined feature region located at the left side of the leucocyte group region, perform statistics on the amount of characterization cells in the predetermined feature region, and provide a warning when the number of the characterization cells exceeds a threshold value.

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 cell analyzer and a sorting method for the cell analyzer are disclosed. Multiple optical signals generated by each of particles irradiated with light in a blood sample in a detection region are collected. The particles includes a first category of particles and a second category of particles. For each of the particles, Intensities of a first group of optical signals, which includes at least two optical signals selected from the multiple optical signals, and a pulse width of a second group of optical signals, which includes at least one optical signal selected from the multiple optical signals are acquired. For each of the particles, one or more reinforcement signals related to the particle are calculated based on an intensity of a first optical signal selected from the first group of optical signals and a pulse width of a second optical signal selected from the second group of optical signals, where the first optical signal is as same as or different from the second optical signal.

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: 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: 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.

Abstract: A cell analyzer and a sorting method for the cell analyzer are disclosed. Multiple optical signals generated by each of particles irradiated with light in a blood sample in a detection region are collected. The particles includes a first category of particles and a second category of particles. For each of the particles, Intensities of a first group of optical signals, which includes at least two optical signals selected from the multiple optical signals, and a pulse width of a second group of optical signals, which includes at least one optical signal selected from the multiple optical signals are acquired. For each of the particles, one or more reinforcement signals related to the particle are calculated based on an intensity of a first optical signal selected from the first group of optical signals and a pulse width of a second optical signal selected from the second group of optical signals, where the first optical signal is as same as or different from the second optical signal.

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: The present disclosure relates to the field of medical technology, which provides methods and apparatuses for identifying red blood cells infected by plasmodium. The methods may include: obtaining a forward-scattered light signal, a side-scattered light signal and an optional fluorescence signal from cells in a blood sample; obtaining a first two-dimensional scattergram according to the forward-scattered light signal and the side-scattered light signal, or obtaining a three-dimensional scattergram according to the forward-scattered light signal, the side-scattered light signal and the fluorescence signal; and identifying cells located in a predetermined area of the first two-dimensional scattergram or the three-dimensional scattergram as the red blood cells infected by plasmodium. The apparatuses perform the methods. The methods and apparatuses can have better identification accuracy.

Abstract: A cell analyzer and a sorting method for the cell analyzer are disclosed. Multiple optical signals generated by each of particles irradiated with light in a blood sample in a detection region are collected. The particles includes a first category of particles and a second category of particles. For each of the particles, Intensities of a first group of optical signals, which includes at least two optical signals selected from the multiple optical signals, and a pulse width of a second group of optical signals, which includes at least one optical signal selected from the multiple optical signals are acquired. For each of the particles, one or more reinforcement signals related to the particle are calculated based on an intensity of a first optical signal selected from the first group of optical signals and a pulse width of a second optical signal selected from the second group of optical signals, where the first optical signal is as same as or different from the second optical signal.

Abstract: A cell analyzer and a sorting method for the cell analyzer are disclosed. Multiple optical signals generated by each of particles irradiated with light in a blood sample in a detection region are collected. The particles includes a first category of particles and a second category of particles. For each of the particles, Intensities of a first group of optical signals, which includes at least two optical signals selected from the multiple optical signals, and a pulse width of a second group of optical signals, which includes at least one optical signal selected from the multiple optical signals are acquired. For each of the particles, one or more reinforcement signals related to the particle are calculated based on an intensity of a first optical signal selected from the first group of optical signals and a pulse width of a second optical signal selected from the second group of optical signals, where the first optical signal is as same as or different from the second optical signal.

Abstract: The present disclosure relates to the field of medical technology, which provides methods and apparatuses for identifying red blood cells infected by plasmodium. The methods may include: obtaining a forward-scattered light signal, a side-scattered light signal and an optional fluorescence signal from cells in a blood sample; obtaining a first two-dimensional scattergram according to the forward-scattered light signal and the side-scattered light signal, or obtaining a three-dimensional scattergram according to the forward-scattered light signal, the side-scattered light signal and the fluorescence signal; and identifying cells located in a predetermined area of the first two-dimensional scattergram or the three-dimensional scattergram as the red blood cells infected by plasmodium. The apparatuses perform the methods. The methods and apparatuses can have better identification accuracy.

Abstract: A cell analyzer and a sorting method for the cell analyzer are disclosed. Multiple optical signals generated by each of particles irradiated with light in a blood sample in a detection region are collected. The particles includes a first category of particles and a second category of particles. For each of the particles, Intensities of a first group of optical signals, which includes at least two optical signals selected from the multiple optical signals, and a pulse width of a second group of optical signals, which includes at least one optical signal selected from the multiple optical signals are acquired. For each of the particles, one or more reinforcement signals related to the particle are calculated based on an intensity of a first optical signal selected from the first group of optical signals and a pulse width of a second optical signal selected from the second group of optical signals, where the first optical signal is as same as or different from the second optical signal.

Abstract: Provided is a method for preparing a broccoli protein peptide. The method uses a broccoli protein as the raw material, and obtains a broccoli protein peptide powder through the steps of preprocessing, enzymatic hydrolysis, terminating enzymatic hydrolysis, separation, and drying and the like. Also provided is the use of the prepared broccoli protein peptide in resisting oxidation, reducing cholesterol and lowering blood lipids.

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.