CN104730181A - Chromatographic peak end point adjusting method and chromatographic work station having chromatographic peak end point adjusting function - Google Patents
Chromatographic peak end point adjusting method and chromatographic work station having chromatographic peak end point adjusting function Download PDFInfo
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Abstract
The present invention discloses a chromatographic peak end point adjusting method and a chromatographic work station having the chromatographic peak end point adjusting function. The chromatographic peak end point adjusting method comprises: determining a chromatographic peak middle point; sequentially judging whether the slope value of the data point in the data group and behind the chromatographic peak middle point is subjected to symbol change, and adopting the last data point before the symbol change or the first data point after the symbol change as the chromatographic peak end point if the symbol change exists; if the symbol change does not exist, searching a first data group having the data point average slope absolute value of less than the preset slope threshold, and adopting any one data point in the group as a first data point; searching a second data group having the data point average slope absolute value of more than the preset slope threshold and positioned behind the first data group, and adopting any one data point in the group as a second data point; and searching all data points having the slope absolute value of less than the preset slope threshold and positioned between the first data point and the second data point, and determining the lowest data point as the chromatographic peak end point. According to the present invention, the chromatographic peak end point can be quickly and accurately determined.
Description
Technical field
The present invention relates to chromatographic techniques field, particularly relate to a kind of chromatographic work station composed peak terminal method of adjustment and there is spectrum peak terminal adjustment function.
Background technology
The chromatogram arrangement of current industry all provides chromatographic work station, chromatographic work station is equivalent to a host computer, complete the control to slave computer (i.e. chromatogram arrangement) on the one hand, analyzing and processing is carried out to the chromatographic data that slave computer collects, to reach the quantitative test to testing sample on the other hand.Chromatogram arrangement comprises liquid chromatograph, high performance liquid chromatograph and Ultra Performance Liquid Chromatography instrument etc.
The quantitative test of testing sample is depended on to peak area or the peak height at sample correspondence spectrum peak.The peak area at spectrum peak refers to the area that spectrum peak and baseline surround, and need first to carry out the identification of spectrum peak before calculating spectrum peak area, the Main Function of spectrum peak identification is the starting point and the terminal that identify spectrum peak, and the starting point and the terminal that only determine spectrum peak could calculate spectrum peak area.
With reference to Fig. 1, show a kind of method flow diagram identifying spectrum peak starting point and terminal of prior art, in step S102, S103, S104, the starting point that a predetermined threshold determines to compose peak is greater than by the slope detecting data point N, in step S114, S115, S116, be less than described predetermined threshold to determine the terminal at spectrum peak by the absolute value of the slope detecting data point N.Determine in prior art that the method for composing peak terminal exists some inevitable problems, such as, with reference to Fig. 2, the spectrum peak starting point determined by the method for threshold decision is S, in the process of search drop point, when the valley point V composing peak occurs, the slope value of the data point near the V of valley point still can not meet the condition utilizing slope threshold value to determine to compose peak terminal, that causes spectrum peak terminal to determine is improper, such as, determine at E point.In addition, for the peak that some symmetry are bad, with reference to Fig. 3, the starting point at the spectrum peak shown in Fig. 3 is S1, trails long, after qualified spectrum peak terminal E1 occurs, follow-uply multiple data point is still had to satisfy condition, and the height of data point is on a declining curve, in this case, there is the too high phenomenon of drop point in the spectrum peak terminal E1 determined by slope threshold value.
Visible, the method for determining to compose peak terminal in prior art is only applicable to spectrum peak shape and compares the spectrum peak meeting rule, for the spectrum peak of special shape, there will be inevitable problem.
Summary of the invention
The object of the invention is to: solve in prior art the method only applying slope threshold value judgement and identify spectrum peak starting point and terminal, identify the inaccurate technical matters of terminal, a kind of spectrum peak terminal method of adjustment is provided.
One spectrum peak provided by the invention terminal method of adjustment, comprises the steps:
Step S401, determines spectrum peak intermediate point;
Step S402, judges whether the slope value of the data point in the data group after described spectrum peak intermediate point occurs reversion successively, if there is reversion, using first data point after last data point before reversion or reversion as spectrum peak terminal;
S403, if not there is reversion, the average gradient absolute value searching data point in group is less than the first data group of predetermined slope threshold value, and selects arbitrary data point in described first data group as the first data point;
S404, the average gradient absolute value searching data point in the group after described first data group is greater than the second data group of predetermined slope threshold value, and selects arbitrary data point in described second data group as the second data point;
S405, all slope absolute values searched between described first data point and described second data point are less than the data point of predetermined slope threshold value, and wherein minimum data point is defined as spectrum peak terminal, in described data group, the number of data point is at least 1.
Spectrum peak disclosed by the invention terminal method of adjustment, solves in prior art the method only applying slope threshold value judgement and identifies spectrum peak terminal, causes spectrum peak terminal to determine inaccurate technical matters, can determine spectrum peak terminal quickly and accurately.
As one citing, described spectrum peak intermediate point is spectrum peak maximum.
After determining spectrum peak maximum, just can apply spectrum peak disclosed by the invention terminal method of adjustment and identify spectrum peak terminal, this method identification spectrum peak fast and accurately.
As one citing, described spectrum peak intermediate point is turned right a little in spectrum peak.
The method first utilizing slope threshold value to judge determines turning right a little of spectrum peak, then applies method identification of the present invention spectrum peak terminal, can improve recognition efficiency further.
As one citing, in step S403, by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the first data point.
Data in described data group are many, directly slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the first data point, the time of spectrum peak terminal identification can be reduced.
As one citing, in step s 404, by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the second data point.
Slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the second data point, makes the position of composing peak terminal more accurate.
Another object of the present invention is to: solve the method only applying slope threshold value in prior art and identify spectrum peak starting point and terminal, identify the inaccurate technical matters of terminal, a kind of chromatographic work station with spectrum peak terminal adjustment function be provided, comprise:
Spectrum peak intermediate point searches unit, for determining spectrum peak intermediate point;
Slope value reversion detecting unit, for judging whether the slope value of the data point in the data group after described spectrum peak intermediate point occurs reversion successively, if there is reversion, using first data point after last data point before reversion or reversion as spectrum peak terminal;
First data point searches unit, if for not there is reversion, the average gradient absolute value searching data point in group is less than the first data group of predetermined slope threshold value, and selects arbitrary data point in described first data group as the first data point;
Second data point searches unit, and the average gradient absolute value for searching data point in the group after described first data group is greater than the second data group of predetermined slope threshold value, and selects arbitrary data point in described second data group as the second data point;
Terminal confirmation unit, all slope absolute values searched between described first data point and described second data point are less than the data point of predetermined slope threshold value, wherein minimum data point are defined as spectrum peak terminal.
As one citing, described spectrum peak intermediate point searches unit, for searching spectrum peak maximum.
As one citing, described spectrum peak intermediate point searches unit, turns right a little for searching spectrum peak.
As one citing, described first data point searches unit, and by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the first data point.
As one citing, described second data point searches unit, and by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the second data point.
Accompanying drawing explanation
Fig. 1 is a kind of method flow diagram identifying spectrum peak starting point and terminal of prior art;
Fig. 2 is a kind of schematic diagram that there is the spectrum peak of valley point of prior art;
Fig. 3 is the schematic diagram at a kind of longer spectrum peak that trails of prior art;
Fig. 4 is a kind of method flow diagram composing peak terminal method of adjustment embodiment of the present invention;
Fig. 5 is a kind of method flow diagram composing peak terminal method of adjustment preferred embodiment of the present invention;
Fig. 6 is a kind of structural representation with the embodiment of the chromatographic work station 600 of spectrum peak terminal adjustment function of the present invention.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the present invention are further described in detail.
With reference to Fig. 4, show a kind of method flow diagram composing peak terminal method of adjustment embodiment of the present invention, comprise the steps:
Step S401, determines spectrum peak intermediate point;
In this step, first apply the method that in prior art, slope threshold value judges and find out the intermediate point composing peak.In the present embodiment, the intermediate point composing peak is chosen for the summit at spectrum peak.
As other citing, the intermediate point at described spectrum peak also can choose there is flex point or chooses spectrum peak maximum and spectrum peak and having any point between flex point as intermediate point of spectrum peak.
As other citing, determine that spectrum peak intermediate point also can adopt other prior aries to realize.
Step S402, judges whether the slope value of the data point in the data group after described spectrum peak intermediate point occurs reversion successively, if there is reversion, using first data point after last data point before reversion or reversion as spectrum peak terminal;
In this step, slope value occur reversion refer to slope value from negative value become on the occasion of.In the present embodiment, data point number in each data group is 3, and alternately cover grouping, described alternately covering grouping refers to: 1st, 2,3 data points are first group, 2nd, 3,4 data points are second group, 3rd, 4,5 data points are the 3rd group, so alternately cover circulation grouping.Choosing every 3 data points is one group, makes that spectrum peak terminal regulated efficiency is high, terminal confirms accurately.
As other citing, the data point number in described each data group also can be 1,2,4 etc.
As other citing, the data point number N in described each data group can according to the formula of prior art:
N=(PW*SR)/15 calculates, in formula: PW is the peak width at spectrum peak, and SR is sampling rate.
As other citing, each data group also can adopt other group technologies, and such as the 1st, 2,3 data point is first group, and the 3rd, 4,5 data point is second group; Or 1st, 2,3 data points are first group, the 4th, 5,6 data point is second group.
As other citing, there is reversion in described slope value, also can refer to that slope value becomes 0 from negative value.
S403, if not there is reversion, the average gradient absolute value searching data point in group is less than the first data group of predetermined slope threshold value, and selects arbitrary data point in described first data group as the first data point;
In this step, as one citing, by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the first data point.Data in described data group are many, directly slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the first data point, the time of spectrum peak terminal identification can be reduced.
S404, the average gradient absolute value searching data point in the group after described first data group is greater than the second data group of predetermined slope threshold value, and selects arbitrary data point in described second data group as the second data point;
In this step, as one citing, by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the second data point.Slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the second data point, makes the position of composing peak terminal more accurate.
S405, all slope absolute values searched between described first data point and described second data point are less than the data point of predetermined slope threshold value, wherein minimum data point are defined as spectrum peak terminal.
As one citing, in this step, all slope absolute values searched between described first data point and described second data point are less than the data point of predetermined slope threshold value, wherein absorbency Y are worth minimum data point and are defined as spectrum peak terminal.Absorbency Y refers to that light is by the incident intensity before solution or a certain material and this light denary logarithm by the transmitted intensity ratio after solution or material, and the unit of absorbance is Au, mAu.
The spectrum peak terminal method of adjustment of the present embodiment, solves in prior art the method only applying slope threshold value judgement and identifies spectrum peak terminal, causes spectrum peak terminal to determine inaccurate technical matters, can determine spectrum peak terminal quickly and accurately.
With reference to Fig. 5, show a kind of method flow diagram composing peak terminal method of adjustment preferred embodiment of the present invention, comprise the steps:
Step S501, is set as 3 by the number of data point in data group, searches for from i-th data point;
Step S502, judges that the slope of each data point in data group is with or without reversion, if having, performs step S510, if not, performs step S503;
Step S503, calculates the average gradient of data point in data group;
Step S504, judges whether the absolute value of the average gradient of data point in data group is less than predetermined slope threshold value, if not, performs step S511, if so, performs step S505;
Step S505, judges whether the first data point exists, and if so, performs step S512, if not, performs step S508;
Step S506, by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the first data point;
Step S507, judges whether the absolute value of the average gradient of data point in data group is greater than predetermined slope threshold value, if not, performs step S512, if so, performs step S508;
Step S508, by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the second data point;
Step S509, all slope absolute values searched between described first data point and described second data point are less than the data point of predetermined slope threshold value, wherein minimum data point are defined as spectrum peak terminal;
Step S510, using the terminal of the data point of first after reversion as spectrum peak;
Step S511, judges whether the first data point exists, and if so, performs step S507, if not, performs step S512;
Step S512, i=i+1, and return step S502.
With reference to Fig. 6, show a kind of structural representation with the embodiment of the chromatographic work station 600 of spectrum peak terminal adjustment function of the present invention.Chromatographic work station 600 comprises:
Spectrum peak intermediate point searches unit 601, for determining spectrum peak intermediate point;
Slope value reversion detecting unit 602, for judging whether the slope value of the data point in the data group after described spectrum peak intermediate point occurs reversion successively, if there is reversion, using first data point after last data point before reversion or reversion as spectrum peak terminal;
First data point searches unit 603, if for not there is reversion, the average gradient absolute value searching data point in group is less than the first data group of predetermined slope threshold value, and selects arbitrary data point in described first data group as the first data point;
Second data point searches unit 604, and the average gradient absolute value for searching data point in the group after described first data group is greater than the second data group of predetermined slope threshold value, and selects arbitrary data point in described second data group as the second data point;
Terminal confirmation unit 605, all slope absolute values searched between described first data point and described second data point are less than the data point of predetermined slope threshold value, wherein minimum data point are defined as spectrum peak terminal.
As one citing, described spectrum peak intermediate point searches unit 601, for searching spectrum peak maximum.
As one citing, described spectrum peak intermediate point searches unit 601, turns right a little for searching spectrum peak.
As one citing, described first data point searches unit 603, and by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the first data point.
As one citing, described second data point searches unit 604, and by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the second data point.
As one citing, described chromatographic work station 600 performs each step according to the process flow diagram shown in Fig. 5.
Above-describedly be only the preferred embodiments of the present invention; be understood that; the explanation of above preferred embodiment just understands method of the present invention and core concept thereof for helping; the protection domain be not intended to limit the present invention; all any amendments, equivalent replacement etc. made within thought of the present invention and principle, all should be included within protection scope of the present invention.
Claims (12)
1. compose a peak terminal method of adjustment, it is characterized in that, comprise the steps:
Step S401, determines spectrum peak intermediate point;
Step S402, judges whether the slope value of the data point in the data group after described spectrum peak intermediate point occurs reversion successively, if there is reversion, using first data point after last data point before reversion or reversion as spectrum peak terminal;
S403, if not there is reversion, the average gradient absolute value searching data point in group is less than the first data group of predetermined slope threshold value, and selects arbitrary data point in described first data group as the first data point;
S404, the average gradient absolute value searching data point in the group after described first data group is greater than the second data group of predetermined slope threshold value, and selects arbitrary data point in described second data group as the second data point;
S405, all slope absolute values searched between described first data point and described second data point are less than the data point of predetermined slope threshold value, and wherein minimum data point is defined as spectrum peak terminal, in described data group, the number of data point is at least 1.
2. spectrum peak according to claim 1 terminal method of adjustment, is characterized in that, described spectrum peak intermediate point is spectrum peak maximum.
3. spectrum peak according to claim 1 terminal method of adjustment, is characterized in that, described spectrum peak intermediate point is turned right a little in spectrum peak.
4. the spectrum peak terminal method of adjustment according to claim 1,2 or 3, is characterized in that, in step S403, by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the first data point.
5. the spectrum peak terminal method of adjustment according to claim 1,2 or 3, is characterized in that, in step s 404, by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the second data point.
6. spectrum peak according to claim 4 terminal method of adjustment, is characterized in that, in step s 404, by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the second data point.
7. there is a chromatographic work station for spectrum peak terminal adjustment function, it is characterized in that, comprising:
Spectrum peak intermediate point searches unit, for determining spectrum peak intermediate point;
Slope value reversion detecting unit, for judging whether the slope value of the data point in the data group after described spectrum peak intermediate point occurs reversion successively, if there is reversion, using first data point after last data point before reversion or reversion as spectrum peak terminal;
First data point searches unit, if for not there is reversion, the average gradient absolute value searching data point in group is less than the first data group of predetermined slope threshold value, and selects arbitrary data point in described first data group as the first data point;
Second data point searches unit, and the average gradient absolute value for searching data point in the group after described first data group is greater than the second data group of predetermined slope threshold value, and selects arbitrary data point in described second data group as the second data point;
Terminal confirmation unit, all slope absolute values searched between described first data point and described second data point are less than the data point of predetermined slope threshold value, wherein minimum data point are defined as spectrum peak terminal.
8. chromatographic work station according to claim 7, is characterized in that, described spectrum peak intermediate point searches unit, for searching spectrum peak maximum.
9. chromatographic work station according to claim 7, is characterized in that, described spectrum peak intermediate point searches unit, turns right a little for searching spectrum peak.
10. the chromatographic work station according to claim 7,8 or 9, is characterized in that, described first data point searches unit, and by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the first data point.
11. chromatographic work stations according to claim 7,8 or 9, it is characterized in that, described second data point searches unit, and by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the second data point.
12. chromatographic work stations according to claim 10, is characterized in that, described second data point searches unit, and by described data group, slope absolute value is less than predetermined slope threshold value and minimum data point is defined as the second data point.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001354A (en) * | 2018-05-30 | 2018-12-14 | 迈克医疗电子有限公司 | Wave crest recognition methods and device, chromatograph and storage medium |
| CN110160980A (en) * | 2019-06-25 | 2019-08-23 | 迈克医疗电子有限公司 | Analysis method, analytical equipment and the Systems for optical inspection of sample absorbance change rate |
| CN110234990A (en) * | 2016-11-28 | 2019-09-13 | 德克萨斯大学系统董事会 | System, method and apparatus for the peak trace analysis based on width |
| WO2022100236A1 (en) * | 2020-11-16 | 2022-05-19 | 三诺生物传感股份有限公司 | Method for fluorescence intensity peak detection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4059994A (en) * | 1976-11-26 | 1977-11-29 | The Foxboro Company | Pneumatic chromatograph |
| JPS61145457A (en) * | 1984-12-19 | 1986-07-03 | Hitachi Ltd | Data processing apparatus for chromatograph |
| CN102084239A (en) * | 2008-07-07 | 2011-06-01 | 新日本制铁株式会社 | Method for measuring water content in a compound and water content measuring device |
| CN102193900A (en) * | 2011-07-01 | 2011-09-21 | 国电南京自动化股份有限公司 | Peak recognition algorithm based on first-order derivative characteristic |
| CN103426155A (en) * | 2012-05-16 | 2013-12-04 | 深圳市蓝韵实业有限公司 | Column diagram boundary dividing method based on solving column diagram changing rate |
-
2013
- 2013-12-18 CN CN201310698160.3A patent/CN104730181B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4059994A (en) * | 1976-11-26 | 1977-11-29 | The Foxboro Company | Pneumatic chromatograph |
| JPS61145457A (en) * | 1984-12-19 | 1986-07-03 | Hitachi Ltd | Data processing apparatus for chromatograph |
| US4752888A (en) * | 1984-12-19 | 1988-06-21 | Hitachi, Ltd. | Method of determining major and minor peaks in a chromatogram using a data processor |
| CN102084239A (en) * | 2008-07-07 | 2011-06-01 | 新日本制铁株式会社 | Method for measuring water content in a compound and water content measuring device |
| CN102193900A (en) * | 2011-07-01 | 2011-09-21 | 国电南京自动化股份有限公司 | Peak recognition algorithm based on first-order derivative characteristic |
| CN103426155A (en) * | 2012-05-16 | 2013-12-04 | 深圳市蓝韵实业有限公司 | Column diagram boundary dividing method based on solving column diagram changing rate |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234990A (en) * | 2016-11-28 | 2019-09-13 | 德克萨斯大学系统董事会 | System, method and apparatus for the peak trace analysis based on width |
| CN109001354A (en) * | 2018-05-30 | 2018-12-14 | 迈克医疗电子有限公司 | Wave crest recognition methods and device, chromatograph and storage medium |
| CN110160980A (en) * | 2019-06-25 | 2019-08-23 | 迈克医疗电子有限公司 | Analysis method, analytical equipment and the Systems for optical inspection of sample absorbance change rate |
| WO2022100236A1 (en) * | 2020-11-16 | 2022-05-19 | 三诺生物传感股份有限公司 | Method for fluorescence intensity peak detection |
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