CN205844066U - The pretreating device of chemical substance detection in a kind of saliva - Google Patents
The pretreating device of chemical substance detection in a kind of saliva Download PDFInfo
- Publication number
- CN205844066U CN205844066U CN201620546481.0U CN201620546481U CN205844066U CN 205844066 U CN205844066 U CN 205844066U CN 201620546481 U CN201620546481 U CN 201620546481U CN 205844066 U CN205844066 U CN 205844066U
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- CN
- China
- Prior art keywords
- absorbent material
- saliva
- sampling
- lid
- chemical substance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
This utility model provides the pretreating device of chemical substance detection in a kind of saliva.Described pretreating device is made up of plastic tube (1), sampling probe (2), sampling syringe (3), absorbent material (4), bottom of which has holes absorbent material pipe (5), conical plastics lid (6), absorbent material lid (7), sampling probe push rod (8).Sampling probe (2), sampling syringe (3) and sampling probe push rod (8) constitute sampler, absorbent material (4), bottom of which has holes absorbent material pipe (5) and absorbent material lid (7) constitute saliva buffer, and plastic tube (1) and plastic tubular cover (6) constitute airtight centrifuge tube.Apply device of the present utility model, chemical substance in saliva can be detected, there is quick, accurate, simple operation and other advantages.
Description
Technical field
This utility model belongs to technical field of analytical chemistry, is specifically related to a kind of be exclusively used in chemical substance in saliva detection
Pretreating device.
Background technology
In saliva, chemical substance is more, the material such as including Benzodiazepines class, furfural class and phenols.
The explanation mankind are conducive to be exposed to for Benzodiazepines class material, bran aldehyde material and phenolic material Quality Research in saliva
The character of health risk and degree during this type of material.Due to saliva sample not easily collecting and preservation, Benzodiazepines class, furfural in saliva
Class and aldehydes matter content are relatively low, and during detection, interference is relatively big, and the requirement to sample pre-treatments is higher.
Therefore, a kind of pretreating device being exclusively used in the detection of chemical substance in saliva is developed significant.
Utility model content
The purpose of this utility model is to provide the pretreating device of chemical substance detection in a kind of saliva, has quick, accurate
Really, simple operation and other advantages.
This utility model be the technical scheme is that the pretreating device of chemical substance detection in a kind of saliva, by boring
Shape plastic tube, sampling probe, sampling syringe, absorbent material, the absorbent material pipe of bottom of which has holes, conical plastics lid, absorbent material
Lid, sampling probe push rod form, and sampling probe connects sampling syringe, and sampling syringe connects sampling probe push rod and constitutes sampler；Water suction
Material is placed in the absorbent material pipe of bottom of which has holes, and absorbent material pipe top is absorbent material lid, thus constitutes saliva and keeps in
Device, sampler and saliva buffer are placed in conical plastics pipe, and sampling probe push rod and absorbent material lid are all at conical plastics pipe
Above Gai.
Described conical plastics pipe and plastic tubular cover) constitute airtight centrifuge tube, for centrifugation and deposit sample, centrifugal
It is 0 ~ 5 mL that pipe is provided with scale, good airproof performance.
The described hole diameter bottom bottom of which has holes absorbent material pipe is 2 ~ 5 mm, saliva stream in centrifugation step
Go out, in extraction step extractant add, the addition of deicer in drying steps.
A diameter of 0.5 ~ 2cm of described sampling syringe.
In saliva of the present utility model, the pretreating device of chemical substance detection has the positive effect that:
(1) use this device only need to be centrifuged, extract, except after water can sample introduction analysis, process step simple, it is easy to promoting should
With；
(2) accuracy is high, completes pre-treatment in airtight system, greatly reduces analysans and is purifying transfer process
In loss, add the accuracy of analysis process；
(3) cost is relatively low, the water suction of plastic tube that this device relates to, sampling probe, sampling syringe, absorbent material, bottom of which has holes
Tubes of material, plastic tubular cover, absorbent material lid, sampling probe push rod and deicer etc., the material being easy to get for laboratory is prepared from,
Cost is relatively low；
(4) environmental friendliness, device good airproof performance, sample is not easy volatilization, while improving precision of analysis, decreases
The pretreatment process pollution to environment.
Device of the present utility model is the detection of chemical substance in the saliva, has quick, accurate, simple to operate etc. excellent
Point.
Accompanying drawing explanation
Fig. 1 is the structural representation of one of pretreating device of the present utility model.
Fig. 2 is the structural representation of one of pretreating device of the present utility model.
Fig. 3 is the structural representation of one of pretreating device of the present utility model.
In figure: 1-conical plastics pipe, 2-sampling probe, 3-sample syringe, 4-absorbent material, 5-bottom of which has holes absorbent material
Pipe, 6-conical plastics lid, 7-absorbent material lid, 8-sampling probe push rod, 9-extract solution, 10-saliva sample.
Detailed description of the invention
It will be understood to those of skill in the art that the following example is merely to illustrate this utility model, and should not be regarded as limiting
Scope of the present utility model.Unreceipted concrete technology or condition person in embodiment, according to the skill described by the document in this area
Art or condition or carry out according to product description.Agents useful for same or instrument unreceipted production firm person, being can be by purchasing
Buy the conventional products of acquisition.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
As it is shown in figure 1, in saliva of the present utility model chemical substance detection pretreating device by conical plastics pipe 1, take
Sample pin 2, sampling syringe 3, absorbent material 4, the absorbent material pipe 5 of bottom of which has holes, conical plastics lid 6, absorbent material lid 7,
Sampling probe push rod 8 forms, and sampling probe 2 connects a diameter of 1 ~ 2cm of sampling syringe 3(sampling syringe 3), sampling syringe 3 connection takes
Sample pin push rod 8 constitutes sampler, can change as required and unpick and wash；Absorbent material 4 is placed in the absorbent material pipe 5 of bottom of which has holes
In, absorbent material pipe top is absorbent material lid 7, and size matches with absorbent material lid 7, thus constitutes saliva and keeps in
Device, can change as required and unpick and wash.Sampler and saliva buffer are placed in conical plastics pipe 1, sampling probe push rod and water suction
Material lid 7 is all on conical plastics lid 6.
Described conical plastics pipe 1 and plastic tubular cover 6 constitute airtight centrifuge tube, for centrifugation and deposit sample, from
It is 0 ~ 5 mL that heart pipe is provided with scale.
The described hole diameter bottom bottom of which has holes absorbent material pipe 5 is 2 ~ 5 mm, saliva stream in centrifugation step
Go out, in extraction step extractant add, the addition of deicer in drying steps.
The application of the pretreating device of chemical substance detection in saliva:
When being used for detecting the Benzodiazepines class materials such as catechol in saliva, resorcinol and hydroquinone, device such as Fig. 1 institute
Showing, extraction solution is methanol, and deicer is anhydrous magnesium sulfate.
Open absorbent material lid, take out absorbent material and put in smoker oral cavity, after absorbent material is completely moistening, fast
Speed is taken out and is put back to bottom of which has holes absorbent material pipe and be sealed against；After centrifugal 2 ~ 5 min, the saliva sample of clarification is collected and is moulded
The bottom of material pipe；Open absorbent material lid, take absorbent material away, add 1 ~ 3 mL methanol extraction solution, with the saliva of bottom
Sample fully mixes；Open absorbent material lid, add 3 ~ 5 g deicer anhydrous magnesium sulfates, be sufficiently mixed except standing 3 ~ 6 after water
min；Pull out sampling probe push rod, by taking to sampling syringe except 1 ~ 2 mL methanol extraction liquid after water, take off sampler, will
Sample is transferred in chromatogram bottle, enters GC/MS and analyzes, it is adaptable to catechol, resorcinol and to benzene two in detection saliva simultaneously
The Benzodiazepines class materials such as phenol.
When being used for detecting the aldehydes matters such as phenol in saliva, paracresol, orthoresol and metacresol, device is as shown in Figure 2.
Open absorbent material lid, take out absorbent material and put in smoker oral cavity, after absorbent material is completely moistening, fast
Speed is taken out and is put back to bottom of which has holes absorbent material pipe and be sealed against；After centrifugal 5 min, the saliva sample of clarification collects plastics
The bottom of pipe 1；Pull out sampling probe push rod, 2 mL saliva samples are taken to sampling syringe, take off sampler, sample is turned
Move in ml headspace bottle, enter HS-GC/MS and analyze, can be with phenolic materials such as phenol, paracresol, orthoresol and metacresols in detection saliva
Matter.
When being used for detecting the bran aldehyde materials such as furfural in saliva, 5 methyl furfural and 5 hydroxymethyl furfural, device such as Fig. 3
Shown in, extraction solution is dichloromethane.
Open absorbent material lid, take out absorbent material and put in smoker oral cavity, after absorbent material is completely moistening, fast
Speed is taken out and is put back to bottom of which has holes absorbent material pipe and be sealed against；After centrifugal 2 min, the saliva sample of clarification collects plastics
The bottom of pipe；Open absorbent material lid, take absorbent material away, add 2 mL dichloromethane extraction solution, with the saliva of bottom
Sample fully mixes, and stands 3 min and is layered as dichloromethane layer and water layer；Pull out sampling probe push rod, by 1 mL lower floor two
Chloromethanes extract takes to sampling syringe, takes off sampler, is transferred in chromatogram bottle by sample, enters GC/MS and analyzes, can be simultaneously
The bran aldehyde material such as furfural, 5 methyl furfural and 5 hydroxymethyl furfural in detection saliva.
Claims (4)
1. in a saliva chemical substance detection pretreating device, it is characterised in that: this device by conical plastics pipe (1), take
Sample pin (2), sampling syringe (3), absorbent material (4), the absorbent material pipe (5) of bottom of which has holes, conical plastics lid (6), water suction
Material lid (7), sampling probe push rod (8) form, and sampling probe (2) connects sampling syringe (3), and sampling syringe (3) connects sampling probe
Push rod (8) constitutes sampler；Absorbent material (4) is placed in the absorbent material pipe (5) of bottom of which has holes, and absorbent material pipe top is for inhaling
Water material lid (7), thus constitutes saliva buffer, and sampler and saliva buffer are placed in conical plastics pipe (1), sampling probe
Push rod and absorbent material lid (7) are all on conical plastics lid (6).
The pretreating device of chemical substance detection in saliva the most according to claim 1, it is characterised in that: described taper
Plastic tube (1) and plastic tubular cover (6) constitute airtight centrifuge tube, and it is 0 ~ 5 mL that centrifuge tube is provided with scale.
The pretreating device of chemical substance detection in saliva the most according to claim 1, it is characterised in that: described bottom
The hole diameter of absorbent material pipe (5) with holes bottom is 2 ~ 5 mm.
The pretreating device of chemical substance detection in saliva the most according to claim 1, it is characterised in that: described sampling
A diameter of 0.5 ~ 2cm of syringe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546481.0U CN205844066U (en) | 2016-06-07 | 2016-06-07 | The pretreating device of chemical substance detection in a kind of saliva |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546481.0U CN205844066U (en) | 2016-06-07 | 2016-06-07 | The pretreating device of chemical substance detection in a kind of saliva |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205844066U true CN205844066U (en) | 2016-12-28 |
Family
ID=57623624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620546481.0U Withdrawn - After Issue CN205844066U (en) | 2016-06-07 | 2016-06-07 | The pretreating device of chemical substance detection in a kind of saliva |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205844066U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053648A (en) * | 2016-06-07 | 2016-10-26 | 云南中烟工业有限责任公司 | Pretreatment device for detection of phenolic substances and application |
| CN111380742A (en) * | 2020-03-12 | 2020-07-07 | 博睿泰合(苏州)医疗科技有限公司 | Sample loading detection system and detection method for blood vitamin D pretreatment |
-
2016
- 2016-06-07 CN CN201620546481.0U patent/CN205844066U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053648A (en) * | 2016-06-07 | 2016-10-26 | 云南中烟工业有限责任公司 | Pretreatment device for detection of phenolic substances and application |
| CN106053648B (en) * | 2016-06-07 | 2018-07-24 | 云南中烟工业有限责任公司 | A kind of pretreating device of aldehydes matter detection and application |
| CN111380742A (en) * | 2020-03-12 | 2020-07-07 | 博睿泰合(苏州)医疗科技有限公司 | Sample loading detection system and detection method for blood vitamin D pretreatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20180724 |
|
| AV01 | Patent right actively abandoned |