Patent Application
20230366862
The present invention relates to an analysis data processing device, an analysis device, an analysis data processing method and an examination program.
When whether a substance to be analyzed is included in a sample is derived, a plurality of different substances derived from the substance are detected in the analysis of the sample. In particular, since it is difficult to detect a polymer as it is because the polymer has a high molecular weight and is not easily dissolved, a product resulting from the decomposition or reaction of the polymer is detected. In Non-Patent Documents 1, 2 and 3, a plurality of different substances produced by pyrolytical decomposition of a polymer are detected by pyrolysis chromatography/mass spectrometry.
When the information in regard to whether a substance to be analyzed is included in a sample is obtained based on results of detection of a plurality of different substances as described above, an analyst or the like examines data on a case-by-case basis based on their knowledge about the substance. This may require the time or effort.
Thus, it is desirable that, in a case in which whether a substance to be analyzed is included in a sample is based on detection of a plurality of different substances derived from the substance, the information in regard to whether the substance to be analyzed is included in the sample is provided efficiently.
A first aspect of the present invention relates to an analysis data processing device including an information producer that produces first information in regard to whether a first substance to be analyzed is included in a sample based on first data in which a first substance and a plurality of second substances included in the first substance or produced by decomposition or reaction of the first substance are associated with each other and second data obtained by detection of a second substance in an analysis of the sample, and an output controller that outputs the first information together with information of the detected substance.
A second aspect of the present invention relates to an analysis device including the analysis data processing device of the first aspect.
A third aspect of the present invention relates to an analysis data processing method including producing first information in regard to whether a first substance to be analyzed is included in a sample based on first data in which a first substance and a plurality of second substances included in the first substance or produced by decomposition or reaction of the first substance are associated with each other and second data obtained by detection of a second substance in an analysis of the sample, and outputting the first information together with information of the detected substance.
A fourth aspect of the present invention relates to an examination program for causing a computer to execute an information producing process of producing first information in regard to whether a first substance to be analyzed is included in a sample based on first data in which a first substance and a plurality of second substances included in the first substance or produced by decomposition or reaction of the first substance are associated with each other and second data obtained by detection of a second substance in an analysis of the sample, and an output controlling process of outputting the first information together with information of the detected substance.
With the present invention, in a case in which whether a substance to be analyzed is included in a sample is based on detection of a plurality of different substances derived from the substance, the information in regard to whether the substance to be analyzed is included in the sample can be provided efficiently.
Embodiments of the present invention will be described below with reference to the drawings.
An analysis device of the present embodiment produces information in regard to whether a substance to be analyzed is included in a sample, based on data obtained in an analysis and data included in a substance database (DB). In the substance DB, a substance is associated with a plurality of substances that are included in the substance or produced by decomposition or reaction of the substance. In the following embodiment, the former substance is referred to as a first substance, and the latter substance is referred to as a second substance. It is preferable that a first substance is a mixture, a decomposition source substance or a reaction source substance. A second substance is preferably a component of a mixture or a substance produced by decomposition or reaction. A substance to be analyzed includes a first substance.
(Regarding Analysis Device)
The pyrolysis gas chromatograph 10 includes a pyrolysis apparatus 20, a carrier gas flow path 11, a sample introducer 12 into which a sample that is pyrolytically decomposed in the pyrolysis apparatus 20 is introduced, a column temperature adjuster 13, a separation column 14 and a sample gas introduction tube 15. The mass spectrometry unit 30 includes a vacuum container 31, an exhaust port 32, an ionizer 33 that ionizes a sample to produce sample-derived ions In, an ion adjuster 34, a mass separator 35 and a detector 36.
The measurer 100 separates a sample into components and detects each component.
As long as a sample may include a first substance to be analyzed, the sample is not limited in particular. In a case in which a sample is pyrolytically decomposed by the pyrolysis apparatus 20 as in the present embodiment, preparation of the sample does not require a special operation and is simple.
The pyrolysis gas chromatograph 10 pyrolytically decomposes a sample and then separates the sample into components using the separation column 14. A sample is gas or gaseous when being introduced into the separation column 14, and the gas or gaseous sample is referred to as a sample gas.
The carrier gas flow path 11 is a flow path for a carrier gas such as helium and introduces the carrier gas into the pyrolysis apparatus 20 (the arrow A1). The pyrolysis apparatus 20 pyrolytically decomposes a sample and introduces the sample into the sample introducer 12. The type of the pyrolysis apparatus 20 is not limited in particular, and may be a heating furnace type, an induction heating type or a filament type. The sample introducer 12 includes a chamber into which a sample is introduced, a split vent, etc. and introduces a sample gas suitably and selectively into the separation column 14.
The separation column 14 includes a column such as a capillary column. The temperature of the separation column 14 is controlled by the column temperature adjuster 13 including a column oven or the like such that the temperature of the separation column 14 is equal to or lower than several hundred ° C. Respective components into which a sample gas is separated in the separation column 14 are eluted from the separation column 14 at different times and introduced into the ionizer 33 of the mass spectrometry unit 30 through the sample gas introduction tube 15. In a case in which the separation column 14 is a capillary column, the capillary column and the sample gas introduction tube 15 may be integrated.
The mass spectrometry unit 30 includes a mass spectrometer, ionizes a sample introduced into the ionizer 33 and performs mass separation for detection. The path through which sample-derived ions In produced in the ionizer 33 flow is schematically indicated by the arrow A2. The sample-derived ion In includes ions obtained when an electron, an atom or an atomic group is bonded to a sample, or ions produced by dissociation or the like of a sample or sample-derived ion In.
As long as being able to detect sample-derived ions In in mass spectrometry with desired accuracy, the type of a mass spectrometer that is included in the mass spectrometry unit 30 is not limited in particular. A mass spectrometer that includes one or more mass spectrometry devices of any type can be used.
The vacuum container 31 of the mass spectrometry unit 30 includes an exhaust port 32. The exhaust port 32 is connected to a vacuum exhaust system (not shown) that includes a pump such as a turbo-molecular pump that can realize a high vacuum state equal to or lower than 10−2 Pa and its auxiliary pump. In
The ionizer 33 of the mass spectrometry unit 30 includes an ion source and ionizes a sample that has been introduced into the ionizer 33. An ionization method performed by the ionizer 33 is not limited in particular as long as ionization can be performed with desired efficiency. In a case in which a Gas Chromatograph-Mass Spectrometer (GC-MS) is included as in the analysis device 1000 of the present embodiment, electron ionization, chemical ionization or the like can be used. Sample-derived Ions In produced in the ionizer 33 are introduced into the ion adjuster 34.
The ion adjuster 34 of the mass spectrometry unit 30 includes an ion transport system such as a lens electrode or an ion guide and makes adjustment by converging sample-derived ions In by electromagnetic action, etc. Sample-derived ions In emitted from the ion adjuster 34 are introduced into the mass separator 35.
The mass separator 35 of the mass spectrometry unit 30 includes a quadrupole mass filter and performs mass separation on the introduced sample-derived ions In. The mass separator 35 causes the sample-derived ions In to pass selectively in accordance with a value of the mass-to-charge ratio using a voltage applied to the quadrupole mass filter. The sample-derived ions In obtained by mass separation in the mass separator 35 enter the detector 36. In the following description, the term a “mass-to-charge ratio” is interpreted in a broad sense and is a parameter indicating the ratio of a mass to a charge, and m/z is used as its one example. However, a mass-to-charge ratio of a different unit or the like instead of m/z can also be used.
The detector 36 of the mass spectrometry unit 30 includes an ion detector and detects the entered sample-derived ions In. The detector 36 converts a detection signal obtained by detection of the entered sample-derived ions In into a digitalized signal by an Analog/Digital (A/D) converter (not shown) and outputs the digitalized detection signal to the information processor 40 (the arrow A4). Hereinafter, data including an intensity of a detection signal of sample-derived ions In obtained by an analysis operation performed in the measurer 100 is referred to as detection data.
The information processor 40 includes an information processing apparatus such as an electronic calculator and executes processes such as communication, storage or calculation in regard to various data in addition to serving as an interface with respect to a user of the analysis device 1000 (hereinafter simply referred to as a “user”).
The inputter 41 includes an input device such as a mouse, a keyboard, various buttons or a touch panel. The inputter 41 receives information required for a process executed by the controller 50 from the user. The communicator 42 includes a communication device that can communicate via wireless connection or wired communication such as the Internet, and suitably transmits and receives data and so on relating to a process executed by the controller 50.
The storage 43 includes a storage medium and stores a program and data for execution of a process by the controller 50. An examination program for execution of a process by the information producer 52, described below, is included in the program.
Part of data used by the analysis device 1000 may be saved in a remote server or the like, and at least part of a calculation process executed by the examination program may be executed in the remote server or the like.
The substance DB 430 of the storage 43 is a DB including substance data. In the substance data, a first substance is associated with a plurality of second substances that are included in the first substance or produced by decomposition or reaction of the first substance. In the following embodiments, when a plurality of datasets in the substance DB 430 are “associated with” or “correspond to” one another, it means that when one dataset is obtained, the other dataset can be referenced by a search through the substance DB 430.
In a case in which a plurality of second substances are included in a first substance, by way of example, the first substance is a mixture and the plurality of second substances are components included in the first substance. For example, 1,2-Benzenedicarboxylic acid, dipentyl ester (branched and linear, CAS No, 84777-06-0), which is a phthalate ester, includes three types of compounds which are Diisopentyl phthalate (CAS No. 605-50-5), N-pentyl-isopentylphthalate, (CAS No. 776297-69-9) and Dipentyl phthalate (CAS No. 131-18-0). It is desirable that whether 1,2-Benzenedicarboxylic acid, dipentyl ester (branched and linear) is included in a sample is determined based on the detection of the above-mentioned three types of compounds.
1,2-Benzenedicarboxylic acid, dipentyl ester (branched and linear), described above, and 1,2-Benzenedicarboxylic acid, di-C6-10-alkyl esters (CAS No. 68515-42-4) are subject to regulation in Europe and are mixtures of phthalate esters. In regard to the analysis data processing method according to the present embodiment, it is preferable that a first substance to be analyzed is a mixture of phthalate esters, and a second substance is each component of the mixture. A first substance included in the substance DB 430 can include any mixture as long as including a plurality of components detectable second substances.
Phthalate esters tend to be subject to regulation because of negative impact on living organisms, and an efficient quantitative analysis is highly important for quality management or the like of products. Thus, it is preferable that phthalate esters are subject to an analysis.
A non-limiting example in which a plurality of second substances are produced by decomposition or reaction of a first substance includes a case in which a first substance is a polymer and a second substance is part of the polymer. For example, in a case in which a first substance is polystyrene, a plurality of second substances may include a styrene monomer, a styrene dimer, a styrene trimer and the like. The substance DB 430 can include polyethylene, polypropylene, polystyrene, polyvinylchloride, polycarbonate, poly (methyl methacrylate) and polyamide 6 as first substances. In this case, second substances can include the products shown in the table 2 of the above-mentioned Non-Patent Document 1. In the present embodiment, a first substance to be analyzed can be a resin, in particular, a synthetic resin. In this case, the analysis data processing method according to the present embodiment is suitable for detecting microplastic in a sample. A non-limiting example in which a plurality of second substances are produced by reaction of a first substance can include a case in which derivatization is performed when second substances are produced from a first substance. A first substance included in the substance DB 430 can include any mixture as long as a plurality of substances detectable as second substances may be produced by decomposition or reaction.
As shown in respective tables, described below, the below-mentioned output controller 53 can cause the displayer 44 to display respective items in association with one another. In other words, the following respective tables are examples of a display screen of the displayer 44. In this case, design in each diagram such as presence or absence of a vertical line or a horizontal line is not limited in particular.
The determination criterion information is the information representing to what extent each of a plurality of second substances associated with a first substance is detected for determination that the first substance is included in a sample. “Detection of all components” of the determination criterion information represents that, in a case in which all of a plurality of second substances corresponding to a certain first substance are detected in an analysis of a sample, it is determined that the first substance is included in the sample.
The substance DB 430 does not have to include determination criterion information. In this case, the information producer 52 may execute a process, described below, without depending on the type of a first substance. For example, it is assumed that “detection of all components” is set in regard to all of first substances.
In the substance DB 430, a plurality of second substances are associated with a first substance, and determination criterion information is further associated with a first substance. For example, a plurality of second substances “1,” “2” and “3” are associated with a first substance “A.” Further, “detection of all components” is associated with the first substance “A” as the determination criterion information. In the table A, the associations are indicated by partitioning of respective items with solid lines extending horizontally for each first substance.
In the substance DB 430, a first substance corresponding to one second substance may be included.
In the substance DB 430, the format, representation and the like of data are not limited in particular as long as the information producer 52 can execute a process, described below. For example, in regard to “detection of all components” of the determination criterion information, such a character string does not need to be stored in the substance DB 430, and a number or a symbol may represent “detection of all components.” Reference numbers or the like may be used instead of the names of a first substance and a second substance. In the substance DB 430, data can be stored in association with each other with use of arrays or the like.
The table A and each of the following tables showing the contents of the substance DB 430 are for the sake of convenience for explaining the association among data sets in the substance DB 430. However, with the control of the output controller 53, as shown in the table A, a first substance and a plurality of second substances can be associated with each other, and the data of the substance DB 430 can be displayed by the displayer 44 in a table format. In this case, the output controller 53 can extract the data corresponding to a first substance to be analyzed from the substance DB 430 and cause the displayer 44 to display the data.
The displayer 44 is configured to include a display device such as a liquid crystal monitor. The displayer 44 displays the information and the like produced by the information producer 52 on a display device due to the control of the output controller 53.
The controller 50 includes a processor such as a CPU (Central Processing Unit) and a storage medium such as a memory. The processor operates as a main constituent of the analysis device 1000 by reading a program stored in the storage 43 or the like into a memory for execution, controlling the measurer 100, processing detection data, etc.
As long as the controller 50 can execute a process according to the present embodiment, the physical configuration of the controller 50 is not limited in particular.
The device controller 51 of the controller 50 controls an operation for an analysis to be performed (an analysis operation) by each element of the measurer 100. For example, the device controller 51 can detect sample-derived ions In in a scan mode in which the m/z of ions passing through the mass separator 35 changes continuously or an SIM (Selective Ion Monitoring) mode in which a plurality of sample-derived ions having a specific m/z are allowed to pass through the mass separator 35. In this case, the device controller 51 changes a voltage of the mass separator 35 such that sample-derived ions In having an m/z that is set based on input from the inputter 41, or the like, selectively pass through the mass separator 35.
The information producer 52 of the controller 50 produces information in regard to whether a first substance to be analyzed is included in a sample based on substance data and detection data. The information includes first substance determination information, described below.
The graph creator 521 of the information producer 52 creates data corresponding to a graph representing variations in intensity of a detection signal based on detection data. The graph creator 521 preferably creates at least one of chromatogram data which is the data corresponding to a chromatogram and mass spectrum data which is the data corresponding to a mass spectrum. A chromatogram is a graph in which the abscissa indicates a retention time, and the ordinate indicates the intensity of a detection signal for ions detected during each retention time. A mass spectrum is a graph in which the abscissa indicates an m/z of detected ions, and the ordinate indicates an intensity of a detection signal for ions having each m/z.
The calculator 522 of the information producer 52 calculates the intensities of detection signals of a plurality of second substances corresponding to a first substance to be analyzed. The calculator 522 acquires the information of a first substance to be analyzed, which is set based on input by the inputter 41. The calculator 522 refers to the substance DB 430 and acquires the information of a plurality of second substances corresponding to a first substance to be analyzed. The calculator 522 acquires the retention times and m/z of the second substances based on the information of the plurality of second substances acquired from the substance DB 430. The retention times and m/z may be stored in the substance DB 430 or acquired from another database. The calculator 522 refers to chromatogram data or mass spectrum data, and calculates the height or area of a peak corresponding to the retention time and m/z of each second substance. The calculator 522 causes the storage 43 or the like to store the calculated height or area of a peak as the detection intensity representing the magnitude of a detection signal of a second substance. The calculator 522 may calculate at least one of the sum and the average value of the detection intensities of a plurality of second substances corresponding to a first substance to be analyzed.
The calculator 522 can calculate the concentration of a second substance in a sample based on the detection intensity of the second substance with use of the detection intensity of a standard sample having a known concentration, or the like. The calculator 522 may calculate at least one of the sum and the average value of the concentrations of a plurality of second substances corresponding to a first substance to be analyzed. The calculation for the sum is particularly suitable for detection of a phthalate ester. For example, the concentration of 1,2-Benzenedicarboxylic acid, di-C6-10-alkyl esters which are subject to regulation in Europe is calculated as the sum of the concentrations of molecules having 6 to 10 branched and linear carbon atoms. In such a case, it is possible to accurately determine whether a corresponding first substance has a concentration subject to regulation by calculating the sum of the concentrations of a plurality of second substances.
The first determiner 523 of the information producer 52 determines whether a plurality of second substances associated with a first substance to be analyzed are included in a sample. Based on whether the detection intensity or the concentration of a second substance satisfies a condition based on a threshold value defined by the magnitude of noise or the like in an analysis of the sample, the first determiner 523 determines whether the second substance is included in a sample. For example, in a case in which the detection intensity of a second substance is equal to or higher than the above-mentioned threshold value, the first determiner 523 can determine that the second substance is included in the sample. Otherwise, the first determiner 423 can determine that the second substance is not included in the sample.
The first determiner 523 can represent an obtained result of determination with a binary value or the like and cause the storage 43 to store the result of determination in association with the name, the reference number, the concentration and the like of a second substance. Hereinafter, the information representing a result of determination in regard to whether the second substance is included in a sample is referred to as second substance determination information.
The second determiner 524 of the information producer 52 determines whether a first substance to be analyzed is included in a sample based on second substance determination information and determination criterion information. The second determiner 524 refers to the substance DB 430 and refers to the determination criterion information of a first substance to be analyzed. In a case in which “detection of all components” is set for the determination criterion information, when all of second substances corresponding to a first substance to be analyzed are included in a sample, the second determiner 524 determines that the first substance is included in the sample. When not all of the second substances corresponding to the first substance to be analyzed is included in the sample, the second determiner 524 determines that the first substance is not included in the sample.
The second determiner 524 can represent an obtained result of determination with a binary value or the like and cause the storage 43 to store the result of determination in association with the name, the reference number, the concentration and the like of the first substance. Hereinafter, the information representing a result of determination in regard to whether the first substance is included in a sample is referred to as first substance determination information.
In the item C12 for determination in regard to a first substance, the contents of first substance determination information which is whether each first substance is included in a sample are shown. In the item C13 for the concentration of a first substance, the concentration of a first substance in a sample is shown. In the item C22 for determination in regard to a second substance, whether each second substance is included in a sample is shown. In the following table, in the item C22 for determination in regard to a second substance, a check mark is suitably shown in a case in which it is determined that each second substance is included in a sample, and a hyphen is suitably shown in a case in which it is determined that each second substance is not included in a sample. However, a method of displaying a result of determination in regard to a second substance is not limited in particular. In the item C23 for the concentration of a second substance, the concentration of a second substance is shown. The unit for the calculated concentration of each of a first substance and a second substance is not limited to mg/kg which is shown in the table.
Also in the following table, although a symbol such as a check mark, a hyphen or a circle is used to indicate a binary value such as presence or absence of detection, a display method is not limited in particular.
In the example of the table B, all of second substances 1 to 3 corresponding to a first substance A are detected, and the determination criterion in regard to the first substance A is “detection of all components” according to the table A (
In the example of the table B, the concentration of the first substance A is shown as the sum of the concentrations of the plurality of second substances 1 to 3 corresponding to the first substance A. Since it is determined that the first substance B or C is not included in the sample, the concentrations are not shown in the item C13 for the concentration of a first substance.
With reference back to
(Regarding Analysis Method)
In the step S1005, the first determiner 523 determines whether the plurality of second substances corresponding to the first substance to be analyzed are included in a sample. When the step S1005 ends, the step S1007 is started. In the step S1007, the second determiner 524 produces information in regard to whether the first substance to be analyzed is included in the sample. When the step S1007 ends, the step S1009 is started.
In the step S1009, the output controller 53 causes the displayer 44 to display the information produced in the step S1007. When the step S1009 ends, the process ends.
With the above-mentioned embodiment, the following effects are obtained.
Following modifications are in the scope of the present invention and can be combined with the above-mentioned embodiment. In the below-mentioned modified examples, parts having structure and functions similar to those of the above-mentioned embodiment are denoted with the same reference numerals, and a description will suitably be not repeated.
While a sample is analyzed by Pyrolysis-Gas Chromatography/Mass Spectroscopy (Py-GC/MS) in the above-mentioned embodiment by way of example, the type of the analysis is not limited in particular as long as the sample can be separated into components for detection. An analysis of a sample can include mass spectrometry, chromatography and chromatography/mass spectrometry. As non-limiting examples, an analysis of a sample can include pyrolysis gas chromatography, thermal extraction/desorption gas chromatography, pyrolysis gas chromatography/mass spectrometry and thermal extraction/desorption gas chromatography/mass spectrometry. Here, in the thermal extraction/desorption gas chromatography, gas including a sample component obtained by heating of a sample is adsorbed by an adsorbent, and then the sample component obtained by desorption by heating of the adsorbent is subjected to gas chromatography. Refer to Patent Documents 1 and 2 for details.
From a similar point of view, an analysis device that analyzes a sample can include a mass spectrometer, a chromatograph and a chromatograph-mass spectrometer. As non-limiting examples, the analysis device can include a pyrolysis gas chromatograph, a thermal desorption gas chromatograph, a thermal extraction/desorption gas chromatograph, a pyrolysis gas chromatograph-mass spectrometer, a thermal desorption gas chromatograph-mass spectrometer and a thermal extraction/desorption gas chromatograph-mass spectrometer.
While one stage of mass separation is performed in the above-mentioned embodiment, two or more stages of mass separation may be performed. A dissociation method is not limited in particular, and collision-induced dissociation or the like can be used.
In the above-mentioned embodiment, it is assumed that, when the first substance determination information is displayed by the displayer 44, a screen element, corresponding to a first substance, such as the name of the first substance displayed on the screen, is clicked. At this time, the output controller 53 can cause the displayer 44 to display a graph or a calculated value obtained in an analysis of a sample in regard to a plurality of second substances corresponding to the first substance.
A second screen element D2 includes chromatograms CH4 and CH5 corresponding to second substances 4 and 5, respectively. The second substances 1, 2 and 3 correspond to the first substance B in the substance DB 430. None of the second substances 4 and 5 is detected in the analysis of the sample (see
In this manner, the graph, the calculated value or the like obtained in an analysis can be displayed in a simple manner, so that the user can easily obtain detailed information as necessary.
Any action, such as placing a mouse cursor on the name of a first substance, in addition to clicking, taken with respect to the screen element corresponding to the first substance can start the display of the first screen element D1 and the second screen element D2. Alternatively or additionally, mass spectra may be displayed in the chromatograms CH1 to CH5. The first screen element D1 and the second screen element D2 may be superimposed in the screen showing the results of determination and the like as shown in the table B, or only the first screen element D1 or the second screen element D2 may be displayed on the display screen.
In the analysis device 1000 of the present modified example, when the user takes action with respect to the screen element corresponding to the first substance A to be analyzed on the screen displaying the first substance determination information, the output controller 53 causes the displayer 44 to display at least one of the graph and the calculated value obtained in the analysis in regard to the plurality of second substances 1 to 3 associated with the first substance. Thus, the more detailed information in regard to the detection of the second substances 1 to 3 can be provided to the user in a simple manner.
While “detection of all components” is set for the determination criterion information in regard to all of the first substances in the table A of the above-mentioned embodiment, the invention is not limited to this. Various conditions can be set.
In regard to the determination criterion for the first substance C, the determination criterion 1 is that two or more second substances out of the four second substances 6 to 9 are detected, and the determination criterion 2 is that the ratio of the second substance 6 with respect to the entire first substance C is equal to or larger than 1% by weight. In the present modified example, in a case in which both of the determination criterion 1 and the determination criterion 2 are satisfied, the second determiner 524 determines that the first substance C is included in the sample. However, how conditions of a plurality of determination criteria are combined is not limited in particular. For example, when the count of satisfied determination criteria is equal to or larger than an arbitrary number, the second determiner 524 can determine that a first substance is included in a sample. The information in regard to how to combine the conditions of such determination criteria can also be set for each first substance in the substance DB 430.
In regard to the first substance C, since three (6, 7, 8) out of the corresponding four second substances 6 to 9 are detected, the determination criterion 1 (“detection of two or more components” in the table C) is satisfied. While the concentration of the first substance is 300 mg/kg, the concentration of the second substance 6 is 100 mg/kg, which is equal to or larger than 1%. Therefore, the determination criterion 2 is also satisfied. Therefore, as shown in the item C12 for determination in regard to a first substance, the second determiner 524 produces the first substance determination information representing that the first substance C is included in the sample.
In the item C51 for a first result, a check mark is shown in a case in which the determination criterion 1 is satisfied, and a hyphen is shown in a case in which the determination criterion 1 is not satisfied. In the item C51 for a first result, the count of a plurality of second substances corresponding to a first substances is shown in the right portion in the parentheses, and the count of detected second substances out of the count of the second substances is shown in the left portion in the parentheses. As shown in the table E, the output controller 53 can cause the displayer 44 to display the count of second substances included in a sample out of a plurality of second substances corresponding to a first substance.
In the item C52 for second determination, a result of the determination criterion 2 is shown. Because the determination criterion 2 is not set for the first substances A and B, no information is displayed. In regard to the first substance C, satisfaction of the determination criterion 2 is indicated by ∘, and the quantitative information in regard to the determination criterion 2 is mentioned in the parentheses. Here, based on the determination criterion 2, the ratio of the concentration of the second substance 6 with respect to the concentration of the first substance C is shown. In this manner, when the relative amounts of the concentrations of a plurality of second substances corresponding to a first substance to be analyzed are in a predetermined range, the information producer 52 produces the first substance determination information representing that the first substance is included in a sample. In this case, the second determiner 524 may make determination based on whether the concentration of a second substance is in the predetermined range instead of the relative amount of concentration.
In the present modified example, in a case in which the predetermined count of second substances corresponding to a first substance to be analyzed is detected, the information producer 52 produces the first substance determination information representing that the first substance is included in the sample. However, in a case in which a specific substance out of a plurality of second substances corresponding to a first substance to be analyzed is detected, or in a case in which the specific substance is detected at a predetermined ratio, the information producer 52 may produce the first substance determination information representing that the first substance is included in the sample. As the specific substance, it is preferable that a substance having high detectability in an analysis of a sample, a substance that is stably detected, or the like is used from the viewpoint of more accurate detection of a first substance to be analyzed.
In the analysis device 1000 of the present modified example, the output controller 53 causes the displayer 44 to display the count of detected second substances out of corresponding second substances for each first substance. Thus, the information in regard to the results of detection of the plurality of second substances corresponding to the first substance to be analyzed can be provided in a simple manner.
In the modified example 3, the second determiner 524 may determine whether a first substance is included in a sample based on whether the relative amounts of detection intensities of a plurality of second substances corresponding to the first substance are in a predetermined range, instead of the relative amount of concentration.
The determination may be made based on whether not the relative amount but the absolute amount of detection intensity is in a predetermined range.
In the above-mentioned embodiment, a certain second substance may correspond to a plurality of first substances in the substance DB 430. In this case, the information producer 52 can produce first substance determination information representing that only part of first substances out of a plurality of first substances corresponding to a second substance is included. The second determiner 524 can select one or more first substances out of the plurality of first substances that correspond to the certain second substance and satisfy the determination criterion, determine that the one or more selected first substances are included in a sample, and determine that the rest of the first substances is not included in the sample.
In this manner, in the analysis device 1000 in the present modified example, in a case in which the plurality of first substances A and B are associated with the common second substances 1 and 2, the information producer 52 selects part of the plurality of first substances A and B as the first substance included in the sample and produces the first substance determination information. Thus, in a case in which part of the plurality of first substances A and B having the common second substances 1 and 2 is included, the composition of the sample can be derived more accurately. Here, the second determiner 524 can select the first substance A included in the sample from the plurality of first substances A and B based on the count or the detection rate of the detected second substances for each first substance.
In the above-mentioned embodiment, a plurality of corresponding second substances are stored in association with one another in the substance DB 430 for each first substance. However, each second substance may be stored in association with the corresponding first substance in the substance DB 430.
Based on an input or the like via the inputter 41, the output controller 53 is preferably configured to be capable of switching between displaying a plurality of second substances being associated with one first substance as shown in the table A and displaying a plurality of first substances being associated with one second substance as shown in the table J. Thus, the contents of the substance DB 430 can be displayed appropriately in accordance with the information or the like required by the user.
In the above-mentioned embodiment, the output controller 53 can cause the displayer 44 to display a notification in a case in which part of a plurality of second substances corresponding to a first substance to be analyzed is detected and the remaining second substances are not detected in an analysis of a sample. While a notification method performed by the output controller 53 is not limited in particular, a notification may be displayed as a pop-up message on the screen of the displayer 44, for example. In determination in regard to whether a second substance is included in a sample, the result may vary depending on noise in data obtained by an analysis, the shape of a peak of a chromatogram or the like. Therefore, in a case in which part of a plurality of second substances corresponding to a first substance is detected as described above, it is preferable that the user is notified and the user confirms the presence or absence of detection in regard to the remaining second substances in more detail in order to enhance the accuracy of determination.
A program for implementing an information processing function of the analysis device 1000 may be recorded in a computer-readable recording medium. A computer system may read the program, which is recorded in the recording medium, in regard to the control of a process to be executed by the above-mentioned information producer 52 and its related processes and execute the program. A “computer system” here includes hardware such as an OS (Operating System) or peripheral appliances. Further, a “computer-readable recording medium” refers to a movable recording medium such as a flexible disc, an optical magnetic disc, an optical disc or a memory card and a storage device such as a hard disc or a Solid State Drive (SSD) built into the computer system. Further, a “computer-readable recording medium” may include an object that retains a program dynamically for a short period of time such as a communication wire that is used when a program is transmitted through a network such as the Internet or a communication line such as a telephone line, or an object that retains a program for a certain period of time such as a volatile memory in a computer system that serves as a server or a client. Further, the above-mentioned program may be to implement part of the above-mentioned functions and may further be to implement the above-mentioned functions by being combined with a program that has already been recorded in the computer system.
Further, in a case where being applied to a personal computer (hereinafter referred to as a PC), the program relating to the above-mentioned control can be provided via a recording medium such as a CD-ROM or a DVD-ROM, or a data signal such as the Internet.
(Aspects)
It is understood by those skilled in the art that the plurality of above-mentioned illustrative embodiments or modified examples are specific examples of the below-mentioned aspects.
(Item 1) An analysis data processing device according to one aspect includes an information producer that produces first information (first substance determination information) in regard to whether a first substance to be analyzed is included in a sample based on first data (substance data) in which a first substance and a plurality of second substances included in the first substance or produced by decomposition or reaction of the first substance are associated with each other and second data (detection data) obtained by detection of a second substance in an analysis of the sample, and an output controller that outputs the first information together with information of the detected substance. Thus, in a case in which whether a substance to be analyzed is included in a sample is based on detection of a plurality of different substances derived from the substance, it is possible to efficiently provide the information regard to whether the substance to be analyzed is included in the sample.
(Item 2) The analysis data processing device according to another aspect, wherein the first data includes at least one of a resin and a phthalate ester as the first substance, and the information producer produces the first information in regard to whether at least one of a resin and a phthalate ester to be analyzed is included in the sample, in the analysis data processing device according to the aspect of item 1. In regard to a resin and a phthalate ester, whether a substance is included in a sample is often based on detection of a plurality of different substances derived from the substance. Therefore, with the present aspect, it is possible to particularly efficiently provide the information in regard to whether a substance to be analyzed is included in a sample.
(Item 3) The analysis data processing device according to another aspect, wherein the first data includes a synthetic resin as the first substance, and the information producer produces the first information in regard to whether microplastic is included in the sample, in the analysis data processing device according to the aspect of item 2. Thus, it is possible to efficiently provide the information in regard to whether microplastic that has been particularly problematic in recent years is included in a sample.
(Item 4) The analysis data processing device according to another aspect, wherein the analysis includes at least one of mass spectrometry, chromatography, pyrolysis-gas chromatography, thermal extraction/desorption chromatography, chromatography/mass spectrometry, pyrolysis-gas chromatography/mass spectrometry and thermal extraction/desorption chromatography, in the analysis data processing device of the aspect of any one of items 1 to 3. Thus, even in a case in which a sample includes various types of molecules, it is possible to separate these molecules to correctly detect second substances.
(Item 5) The analysis data processing device according to another aspect, wherein in the first data, second information (determination criterion information) is associated with the first substance, the information producer produces the first information based on the second information, and the second information represents to what extent each of the plurality of second substances associated with the first substance is detected for determination that the first substance is included in the sample, in the analysis data processing device of the aspect of any one of items 1 to 4. Thus, it is possible to more accurately provide the information in regard to whether a substance is included in a sample by using a different determination criterion for each substance to be analyzed.
(Item 6) The analysis data processing device according to another aspect, wherein the information producer produces the first information representing that the first substance to be analyzed is included in the sample in a case in which a predetermined count of the plurality of second substances associated with the first substance to be analyzed is detected, in the analysis data processing device of the aspect of any one of items 1 to 5. Thus, it is possible to more accurately provide the information in regard to whether a substance is included in a sample in association with the substance to be analyzed.
(Item 7) The analysis data processing device according to another aspect, wherein the information producer produces the first information representing that the first substance to be analyzed is included in the sample in a case in which a specific substance out of the plurality of second substances associated with the first substance to be analyzed is detected or in a case in which the specific substance is detected at a predetermined ratio, in the analysis data processing device of the aspect of any one of items 1 to 5. Thus, it is possible to more accurately provide the information in regard to whether a substance to be analyzed is included in a sample by using the characteristics of a specific substance.
(Item 8) The analysis data processing device according to another aspect, wherein the information producer produces the first information representing that the first substance to be analyzed is included in the sample when at least one of concentrations, detection intensities, relative amounts of the concentrations and relative amounts of the detection intensities is in a predetermined range, in the analysis data processing device of the aspect of any one of items 1 to 7. Thus, it is possible to more accurately provide the information in regard to whether a substance to be analyzed is included in a sample by using quantitative data.
(Item 9) The analysis data processing device according to another aspect, wherein the information producer selects part of the plurality of first substances as the first substance included in the sample in a case in which a plurality of the first substances are associated with the common second substance, in the analysis data processing device of the aspect of any one of items 1 to 8. Thus, when any of a plurality of first substances is selectively included in a sample, etc., it is possible to more accurately provide the information in regard to whether a substance to be analyzed is included in a sample.
(Item 10) The analysis data processing device according to another aspect, wherein the information producer selects the first substance included in the sample from among the plurality of first substances based on a count or ratio of the detected second substances in the plurality of second substances respectively associated with the plurality of first substances, in the analysis data processing device of the aspect of item 9. Thus, when any of a plurality of first substances is selectively included in a sample, etc., it is possible to select a substance having a high possibility of being included in the sample and more accurately provide the information in regard to whether a substance to be analyzed is included in the sample.
(Item 11) The analysis data processing device according to another aspect, wherein the information producer produces the first information representing that the first substance to be analyzed is included in the sample in a case in which a predetermined count of conditions out of a plurality of conditions is satisfied in regard to a result of the analysis performed on the plurality of second substances associated with the first substance to be analyzed, in the analysis data processing device of the aspect of any one of items 1 to 10. Thus, it is possible to more flexibly set a condition and more accurately provide the information in regard to whether a substance to be analyzed is included in a sample.
(Item 12) The analysis data processing device according to another aspect, wherein the output controller controls a display device such that the display device is switchable between displaying a plurality of the second substances being associated with one first substance and displaying a plurality of the first substances being associated with one second substance, in the analysis data processing device of the aspect of any one of items 1 to 11. Thus, it is possible to appropriately display the information in regard to a substance to be analyzed in accordance with the information required by the user, or the like.
(Item 13) The analysis data processing device according to another aspect, wherein the output controller causes a display device to display a count of the plurality of detected second substances out of the plurality of corresponding second substances for each first substance, in the analysis data processing device of the aspect of any one of items 1 to 12. Thus, it is possible to provide specific information in a simple manner in regard to the results of detection of a plurality of second substances corresponding to a first substance to be analyzed.
(Item 14) The analysis data processing device according to another aspect, wherein the output controller causes a display device to display at least one of a graph and a calculated value obtained in the analysis in regard to the plurality of second substances associated with the first substance when a user takes action with respect to a screen element corresponding to the first substance to be analyzed in the first information, in the analysis data processing device of the aspect of any one of items 1 to 13. Thus, it is possible to provide more detailed information in regard to the detection of a second substance to the user in a simple manner.
(Item 15) The analysis data processing device according to another aspect, wherein the graph is a chromatogram or a mass spectrum, in the analysis data processing device of the aspect of item 14. Thus, the user can observe the waveform of the peak of a second substance, or the like, and obtain more detailed information in regard to the detection of the second substance.
(Item 16) The analysis data processing device according to another aspect, wherein the output controller causes a display device to display at least one of, a sum or an average of concentrations of the plurality of second substances, and a sum or an average of detection intensities of the plurality of second substances together with the first information, in the analysis data processing device of the aspect of any one of items 1 to 15. Thus, it is possible to provide quantitative information in regard to the amount of a first substance included in a sample.
(Item 17) The analysis data processing device according to another aspect, wherein the output controller causes a display device to display a notification in a case in which part of the plurality of second substances associated with the first substance to be analyzed is detected and remaining part of the plurality of second substances associated with the first substance to be analyzed is not detected in the analysis, in the analysis data processing device of the aspect of any one of items 1 to 16. Thus, it is possible to provide the information in regard to an undetected second substance to the user in an easy-to-understand manner.
(Item 18) An analysis device according one aspect includes the analysis data processing device according to any one of items 1 to 17. Thus, in a case in which whether a substance to be analyzed is included in a sample is based on detection of a plurality of different substances derived from the substance, it is possible to efficiently provide the information regard to whether the substance to be analyzed is included in the sample.
(Item 19) The analysis device according to another aspect, wherein the analysis device includes at least one of a mass spectrometer, a chromatograph, a pyrolysis-gas chromatograph, a thermal desorption gas chromatograph, a thermal extraction/desorption gas chromatograph, a chromatograph/mass spectrometer, a pyrolysis-gas chromatograph/mass spectrometer and a thermal desorption gas chromatograph-mass spectrometer and a thermal extraction/desorption gas chromatograph-mass spectrometer, in the analysis device of the aspect of item 18. Thus, even in a case in which a sample includes various types of molecules, it is possible to separate these molecules to correctly detect second substances.
(Item 20) An analysis data processing method according to one aspect includes producing first information in regard to whether a first substance to be analyzed is included in a sample based on first data in which a first substance and a plurality of second substances included in the first substance or produced by decomposition or reaction of the first substance are associated with each other and second data obtained by detection of a second substance in an analysis of the sample; and outputting the first information together with information of the detected substance. Thus, in a case in which whether a substance to be analyzed is included in a sample is based on detection of a plurality of different substances derived from the substance, it is possible to efficiently provide the information regard to whether the substance to be analyzed is included in the sample.
(Item 21) An examination program according to one aspect for causing a computer to execute an information producing process (corresponding to the step S1005 of the flowchart of
The present invention is not limited to the contents of the above-mentioned embodiment. Other aspects considered in the scope of technical idea of the present invention are also included in the scope of the present invention.
| Filing Document | Filing Date | Country | Kind |
|---|---|---|---|
| PCT/JP2020/036989 | 9/29/2020 | WO |
