CN110426474A - A kind of pipeline retrogressive method of illegal drug - Google Patents
A kind of pipeline retrogressive method of illegal drug Download PDFInfo
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- CN110426474A CN110426474A CN201910738907.0A CN201910738907A CN110426474A CN 110426474 A CN110426474 A CN 110426474A CN 201910738907 A CN201910738907 A CN 201910738907A CN 110426474 A CN110426474 A CN 110426474A
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- illegal drug
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
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Abstract
The invention discloses a kind of pipeline retrogressive methods of illegal drug, comprising the following steps: selection needs the illegal drug investigated so that it is determined that target substance: the reactant information in differential responses stage needed for obtaining its metabolite information and production contraband after body metabolism according to the relevant information of illegal drug.These information include physicochemical property, metabolised proportion, pre-treating method and the instrument analytical method of these substances.Wherein processing analysis method includes Solid Phase Extraction, derivatization and liquid chromatography-mass spectrography/mass spectrometry or gas chromatography-mass spectrum/mass spectrometry combination method；One region is divided and acquires each sewage sample for dividing region, detect the concentration information of target substance in sewage sample, when target substance concentration value be greater than given threshold then judge the target substance affiliated illegal drug by illegal use, calculate the consumption figure and consumption number of the illegal drug；Trace the scene of illegal drug illegal activities.
Description
Technical field
The present invention relates to illegal drug monitoring technology field more particularly to a kind of pipeline retrogressive methods of illegal drug.
Background technique
Sewage epidemiology is by the chemical substance concentration in analysis sewage treatment plant inflow, according to body metabolism machine
Reason, flow of inlet water and service size of population estimation this area crowd consume the rule of certain class chemical substance.Its advantage is that can
To carry out real-time monitoring, and reflection locality illegal drug consumption quantity promptly and accurately to sewage.Sampling and easy analysis, consumption
When it is few, at low cost and objectivity is strong, can really reflect the real consumption amount of different material, it is small can even more to react community etc.
Range and daily consumption change the propensity to consume of this short time, while can also measure the consumption figure of novel chemical substance, to making
It is predicted with development trend.But usually acquisition sample site reflects a regional abuse number in sewage treatment plant's import
Amount, can not be accurately positioned specific drug abuse personnel geographical location and drug abuse source, deposit in terms of guidance refines strike
In certain defect.
Summary of the invention
According to problem of the existing technology, the invention discloses a kind of pipeline retrogressive methods of illegal drug, specific to wrap
Include following steps:
Selection needs the illegal drug investigated so that it is determined that target substance: obtaining its warp according to the relevant information of illegal drug
The reactant information in differential responses stage needed for metabolite information after body metabolism and production contraband, wherein reactant
Information includes physicochemical property, metabolised proportion, pretreatment mode information and the instrument analytical method of substance, and pretreatment mode information is
Substance is from the extracting method in sewage, including Solid Phase Extraction, derivatization, and wherein analysis method includes liquid chromatography-mass spectrography/mass spectrum
Combination or gas chromatography-mass spectrum/mass spectrometry combination method；
Each sewage sample for dividing region is divided and acquired to a region, detects target substance in sewage sample
Concentration information then judges that the affiliated illegal drug of the target substance is made by illegal when the concentration value of target substance is greater than given threshold
With calculating the consumption figure and consumption number of the illegal drug；
Trace the scene of illegal drug illegal activities.
Further, the spot according to urban discharging pipeline designed lines analysis illegal drug: in sewage plant, higher level is more
The concentration analysis that sewage sample carries out target substance is obtained at the inspection shaft or secondary pressing pump station of a node river outlet, works as detection
The target concentration of sewage sample is greater than given threshold at a certain node, it is determined that the region that the node connecting line is covered
There are contraband abuse, inspection shaft or secondary pressing pump station from the multiple confluence nodes of the higher level of continuation from the node take dirt
Water sample continues the exceeded situation of each node destination object of Analysis and Screening, traces there are the node of concentration over-standard situation, until chasing after
With to outside the region at plumbing drain inspection shaft until.
By adopting the above-described technical solution, a kind of pipeline retrogressive method of illegal drug provided by the invention, this method
By establishing the sampling technique that combines based on urban pipe network system, the source of illegal drug in sewage is accurately traced back to, from anti-
It reflects a regional illegal drug abuse level and is increased to street, community, cell and building level, to improve discovery abuse example
Such as the accuracy in the geographical location of drug addict, for public security, accurately beat drugs provide scientific basis.The technical method is not only
Accurately, and directly illegal drug is traced back to using source, overcomes many drawbacks of traditional beat drugs method, is saved big
The manpower and material resources of amount, new step that the counterdrug operation for pushing China is marched toward.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the present invention relates to the flow charts of the pipeline retrogressive method of illegal drug.
Fig. 2 is the schematic diagram that the scene of illegal drug criminal offence is traced in the method for the present invention.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, with reference to the attached drawing in the embodiment of the present invention, to this
Technical solution in inventive embodiments carries out clear and complete description:
A kind of pipeline retrogressive method of illegal drug as shown in Figure 1, comprising the following steps:
S1: target substance to be detected is determined.The illegal drug to be investigated of determination first, such as drugs, harmful food additive
Add agent etc.；Then pertinent literature is searched, determines the metabolite that above-mentioned parent drug generates after body metabolism, and production should
The substance in the differential responses stage that illegal drug is related to, by all substances list, then for each substance being related to, investigation
Their relevant information, such as metabolised proportion, physicochemical property, processing method (can be Solid Phase Extraction, derivatization), analysis method
(can be liquid chromatography-mass spectrography/mass spectrometry or gas chromatography-mass spectrum/mass spectrometry) etc.；Final choice meets steady in sewage
Qualitative high, metabolised proportion height, target substance of the substance without conditions such as other sources, easy detections as experiment detection, with dirt
Water epidemiological method can convert the target concentration that experiment detects to the concentration of the illegal drug to be investigated, then carry out
Judge the abuse condition of illegal drug, sometimes can choose multiple substances while being used as target detection thing, indicates collectively same
Illegal drug, so that investigation result is more preferably reliable.
S2: some region of illegal drug criminal offence in certain city is determined.Region division is carried out first, is drawn according to different purposes
Divide detection zone, the survey area in the city can be divided according to the range that sewage plant collects sewage under normal circumstances；It determines
Behind survey area, the Wastewater Sample of sewage treatment plant's entrance in each region is acquired respectively；Then water sample collective conveyance is arrived
Inspection center carries out pre-treatment (Solid Phase Extraction, derivatization etc.) and instrument analysis (gas phase or liquid phase analysis instrument), available
Target substance (only using suitable metabolin or parent material as target detection thing when a wide range of investigation, it can not be according to reaction
The detection of object determine contraband production the case where) concentration data, some contrabands have legitimate origin, i.e., exist in sewage
Reasonable concentration range can determine that there are illegal drug consumer behaviors in a certain region when being more than this range；Further according to existing
The model and related software of some sewage epidemiology can analyze to obtain the specific contraband consumption figure in the region and consumer
Number has an accurate, comprehensive understanding to the service condition of the region illegal drug.
As shown in Fig. 2, S3: the scene of retrospect illegal drug criminal offence.Have determined that there are violated in a certain region
After the behavior of product abuse, it can further analyze the scene of the abuse or produce the stage of reaction of the contraband, to refer to
Lead the attack action of public security organ.By the sewerage system in city, in the inspection of the several node river outlets of sewage plant higher level
Sewage sample is obtained at well or secondary pressing pump station, further analyzes smaller area according to the processing and analysis method of step 2
Target substance concentration；After detecting that the target concentration at a certain node in water sample is exceeded, the node can be determined
There are contraband abuses for overlay area, then according to urban drainage pipe network system, continue the several confluences of higher level from the node
Inspection shaft or secondary pressing pump station at node obtain water sample, continue each exceeded situation of node destination object of Analysis and Screening, a step
Step is traced to the source, until tracing back to the inspection shaft node outside a certain building of a certain cell；After determining scene, it can also analyze not
With each substance of the stage of reaction, judge that the region is illegal drug abuse or illegal drug production behavior, if separated
Contraband goods produces behavior, can also judge its production phase, and then public security organ is helped to formulate suitable action plan, implement to arrest
Action.
Further, the pipeline retrogressive method of the illegal drug is based on sewage epidemiological method, utilizes inversion reckoning method
Consumption per head is calculated, correction factor is determined and estimates service group quantity.Shown in detailed process is as follows:
Pre-capita consumption quantity calculate be usually measurement compound concentration multiplied by final flow rate, then divided by the size of population,
Consumption per head is obtained, calculation formula is as follows:
In formula, CTFor the concentration of object in the sewage of measurement；F is the discharge of sewage, i.e. municipal sewage plant feed water flow
Amount；fTFor the human body metabolic correction factor, reflect the target substance of measurement and the correction relationship of real consumption substance；P is the sewage
The service group quantity for the treatment of plant.
If using biological marker method to pass through the substance that body metabolism is generated and excreted to estimate as the size of population
Method, total amount can be calculate by the following formula at this time:
In formula, CBMFor the biomarker concentration for reflecting the size of population in sewage；mUDTo generate biomarker per capita
Quantity.
Correction factor is important parameter during inversion reckoning.Correction factor and object are in the intracorporal metabolised proportion of people
It is related, it is also related with the absorption mode of object.If object is identical as investigation substance, that is, use parent compound inverting
When calculating consumption quantity, correction factor calculating process is as follows:
In formula, xhIt is the percentage (%) that parent compound pass-through mode h intake human body is excreted without metabolism；
RhIt is the ratio that human body is taken in by the approach h that ingests.
If object is different from investigation substance, i.e., when pushing away consumption figure using product to be measured is counter, correction factor calculating process
It is as follows:
In formula, MWIAnd MWTIt is the molecular weight investigated substance and analyze object respectively；xhIt is to investigate metabolism as analysis
The percentage metabolism example (%) of object.
Consumer groups' quantity is pre-capita consumption quantity divided by daily consumption number of times and the product for consuming dosage for each person every day, meter
It is as follows to calculate formula:
In formula, PcFor consumer groups' quantity；N is daily consumption number of times；D is to consume dosage, the product of the two for each person every day
For consumption quantity for each person every day.
Therefore this method can trace to the source monitoring in real time, can be by the division of the times such as month, season, time to the drug in sewage
It is monitored or carries out according to sewage plant, a certain region in city, residential quarter etc. the detection of tracing to the source of different location, wherein result
Objective and accurate, compared to the method that traditional " planted agent " investigates, the system is with more objectivity and comprehensive.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (2)
1. a kind of pipeline retrogressive method of illegal drug, it is characterised in that the following steps are included:
Selection needs the illegal drug investigated so that it is determined that target substance: obtaining it through human body according to the relevant information of illegal drug
The reactant information in differential responses stage needed for metabolite information after metabolism and production contraband, wherein reactant information
Physicochemical property, metabolised proportion, pretreatment mode information and instrument analytical method including substance, pretreatment mode information are substance
It include Solid Phase Extraction, derivatization from the extracting method in sewage, wherein analysis method includes liquid chromatography-mass spectrography/mass spectrometry
Or gas chromatography-mass spectrum/mass spectrometry combination method；
Each sewage sample for dividing region is divided and acquired to a region, detects the concentration of target substance in sewage sample
Information, when the concentration value of target substance be greater than given threshold then judge the affiliated illegal drug of the target substance by illegal use,
Calculate the consumption figure and consumption number of the illegal drug；
Trace the scene of illegal drug illegal activities.
2. the pipeline retrogressive method of illegal drug according to claim 1, it is further characterized in that: according to urban discharging pipeline
The spot of designed lines analysis illegal drug: in the inspection shaft or secondary pressing pump station of the multiple node river outlets of sewage plant higher level
Place obtains the concentration analysis that sewage sample carries out target substance, when the target concentration for detecting sewage sample at a certain node is big
In given threshold, it is determined that there are contraband abuses in the region that the node connecting line is covered, and continue from the node
Inspection shaft or secondary pressing pump station at the multiple confluence nodes of higher level take sewage sample, continue each node destination object of Analysis and Screening
Exceeded situation, trace there are the node of concentration over-standard situation, until follow to outside the region at plumbing drain inspection shaft until.
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| CN201910738907.0A CN110426474A (en) | 2019-08-12 | 2019-08-12 | A kind of pipeline retrogressive method of illegal drug |
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| CN201910738907.0A CN110426474A (en) | 2019-08-12 | 2019-08-12 | A kind of pipeline retrogressive method of illegal drug |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113362198A (en) * | 2021-06-02 | 2021-09-07 | 郑州大学 | System and method for discovering dangerous article manufacturing personnel in community |
| CN114324804A (en) * | 2021-12-30 | 2022-04-12 | 杭州谱育科技发展有限公司 | Tracing method for contraband in sewage |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104834821A (en) * | 2015-05-13 | 2015-08-12 | 中国环境科学研究院 | Method for determining population exposure area according to environmental health risk assessment on river pollution specific pollutants and application of method |
| CN108648793A (en) * | 2018-05-25 | 2018-10-12 | 大连海事大学 | A kind of drug consumption monitoring system based on sewage drug concentration information |
-
2019
- 2019-08-12 CN CN201910738907.0A patent/CN110426474A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104834821A (en) * | 2015-05-13 | 2015-08-12 | 中国环境科学研究院 | Method for determining population exposure area according to environmental health risk assessment on river pollution specific pollutants and application of method |
| CN108648793A (en) * | 2018-05-25 | 2018-10-12 | 大连海事大学 | A kind of drug consumption monitoring system based on sewage drug concentration information |
Non-Patent Citations (4)
| Title |
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| DAVID R. BAKER ET AL.: "Drugs of abuse in wastewater and suspended particulate matter — Further developments in sewage epidemiology", 《ENVIRONMENT INTERNATIONAL》 * |
| JEREMY PRICHARD ET AL.: "Sewage epidemiology and illicit drug research: The development of ethical research guidelines", 《SCIENCE OF THE TOTAL ENVIRONMENT》 * |
| 王强: "环境污水监测技术对深圳基层毒品防控的借鉴及启示", 《环境科学与管理》 * |
| 王德高: "《污水流行病学》", 28 February 2018, 科学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113362198A (en) * | 2021-06-02 | 2021-09-07 | 郑州大学 | System and method for discovering dangerous article manufacturing personnel in community |
| CN114324804A (en) * | 2021-12-30 | 2022-04-12 | 杭州谱育科技发展有限公司 | Tracing method for contraband in sewage |
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Application publication date: 20191108 |
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