CN205374511U - Diatom sample survey box - Google Patents
Diatom sample survey box Download PDFInfo
- Publication number
- CN205374511U CN205374511U CN201620152522.8U CN201620152522U CN205374511U CN 205374511 U CN205374511 U CN 205374511U CN 201620152522 U CN201620152522 U CN 201620152522U CN 205374511 U CN205374511 U CN 205374511U
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- China
- Prior art keywords
- sample
- box
- diatom
- inner box
- scanning electron
- Prior art date
- 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.)
- Expired - Fee Related
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- 238000013461 design Methods 0.000 claims abstract description 13
- 238000012856 packing Methods 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 238000011109 contamination Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 abstract description 16
- 238000011160 research Methods 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 239000003814 drug Substances 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000003828 vacuum filtration Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000001616 monocyte Anatomy 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000120 microwave digestion Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Abstract
The utility model discloses a diatom sample survey box. Including (1) scanning electron microscope specimen holder, the surface covering has the conducting resin. (2 )Box in the sample adopts the flip formula or cup joints the formula design, has the hole site in the interior box, and every hole site can be fixed and place a scanning electron microscope specimen holder. (3 )Does box bottom seat in the sample have 4 8 the interior box of the same article can be placed to individual hole site, every hole site. (4 )The outer box of sample, the surface is with sample information fence. (5 )The extranal packing of leakproofness film. (6 )The bamboo slips of preventing announcing successful tender. The utility model relates to a rationally, convenient to use, practicality be strong, has good application prospect in the inspection of forensic medicine diatom, it also can be used to deposit the filter membrane sample in other fields such as the ecological research of diatom, the research of diatom taxonomy.
Description
Technical field
The utility model relates to medical jurisprudence diatom examination field, specifically, relating to a kind of sample box being applicable to diatom examination.
Background technology
In water, the cause of the death of decomposed body is identified is a universally acknowledged medical jurisprudence difficult problem, diatom examination is acknowledged as the best approach (" goldstandard "), but there is the deficiencies such as sensitivity pollution low, easy, complex steps, checkability are low in tradition methods for detecting diatom, it is easily generated false negative and false positive issue, causes diatom examination to be worth and queried.Applicant successively carried out diatom examination new industrial research from 2007 under Guangzhou, the Ministry of Public Security subsidize, successfully develop medical jurisprudence diatom examination new technology associated with micro-wave digestion-vacuum filtration-scanning electron microscopic observation, compared with tradition methods for detecting diatom, the advantages such as accurate, efficient, sensitive, anti-pollution, easy and simple to handle, environmental protection that the methods for detecting diatom using this technology has, having significant application value during decomposed body is drowned diagnosis in water, this achievement obtains 2015 years Ministry of Public Security's Award for Science and Technology first prize.But there is problems in that diatom examination includes micro-wave digestion, vacuum filtration, three steps of scanning electron microscopic observation when applying this technology to carry out diatom examination, after completing the first two steps i.e. Specimen eliminating, vacuum filtration, lacking and adapt to scanning electron microscopic observation, sample storage and recheck needs, simple and effective sample stores special arrangement.The simple type device that the medical jurisprudence diatom examination laboratory of this technology uses applicant to research and develop mostly is applied in the whole nation at present, it includes that monocyte sample stores plastic casing, stainless steel substrates (being reduced to the size being suitable for carrying filter membrane, be affixed on scanning electron microscope example seat during use), carbonaceous conductive adhesive tape, nail shape scanning electron microscope example seat and supports seat.During use, nail shape scanning electron microscope example seat is fixed on it and supports on seat, use conductive tape by stainless steel substrates together with nail shape scanning electron microscope example seat bonding, again by carbonaceous conductive adhesive tape cutting to suitable dimension, it is affixed on stainless steel substrates, then being sticked at by the filter membrane being loaded with diatom after suction filtration with tweezers and (be loaded with the one of diatom to face up) on conductive tape, nail shape scanning electron microscope example seat is in plated film conductive processing is placed on flip-shell sample box;When being scanned Electronic Speculum detection, then with tweezers nail shape scanning electron microscope example seat taken out in sample box and be placed in scanning electron microscope example indoor.This simple type device can substantially meet the needs that diatom sample stores, but Shortcomings, specifically includes: (1) step is many, operates cumbersome;(2) sample box used cannot fix nail shape scanning electron microscope example seat, and specimen holder is placed in sample box in horizontally-inclined mode, during mobile example box, easily causes specimen holder and moves, and causes the diatom on filter membrane to lose;(3) sample box used is that monocyte sample stores plastic casing, and the sample that a usual case need to be checked is more than 4, therefore needs to use multiple sample box, thereby results in the inconvenience on sample managing.(4) the support seat of nail shape scanning electron microscope example seat is reused, and there is the risk of cross pollution.(5) nail shape scanning electron microscope example seat is only applicable to specific model scanning electron microscope analysis.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned simple type diatom sample box, it is provided that a kind of loss easy and simple to handle, anti-, anti-pollution, meet the diatom examination sample box of Multi-example memory requirement.
To achieve these goals, the utility model adopts the following technical scheme that
A kind of diatom examination sample box, including several with the sample inner box of lid and for placing the base of sample inner box;Being provided with scanning electron microscope example seat in sample inner box, scanning electron microscope example seating face is provided with conducting resinl.
As preferably, in above-mentioned diatom examination sample box, described scanning electron microscope example seat is nail shape or cylindrical sample seat, its a diameter of 12mm-35
mm。
As preferably, in above-mentioned diatom examination sample box, the described sample inner box with lid uses cylinder design, uses flip-shell or socket joint type design;When using clam shell design, lid is connected with inner box theme, is above covered with flange, opens it to facilitate or buckles;When using socket joint type design, lid and inner box independence, the two is connected by socket mode.
As preferably, the bottom of described sample inner box is provided with for fixed placement one nail shape or the position, hole of cylindrical scan electron microscopic sample seat.
As preferably, in above-mentioned diatom examination sample box, the internal diameter 30mm-50mm of the described sample inner box with lid, external diameter 32mm-52mm, high 25mm-40mm;
As preferably, in above-mentioned diatom examination sample box, the quantity of sample inner box is 4-8, base arranges the box position of respective numbers for placing sample inner box.
As preferably, in above-mentioned diatom examination sample box, it is additionally provided with the box sample for holding sample inner box and base Wai, it is printed on sample message hurdle on the outer box of described sample and (includes docket, sample ID, the sample preparation time, sample preparation people's name, analysis time, analyst's name etc.).The outer box of sample is provided with for understanding sample treatment state, preventing sample by the anti-tear-off label of artificial destruction.The outer surface of the outer box of sample is additionally provided with sealing film's external packing, for the outer box of packaged sample, prevents sample box to be contaminated.
Compared with prior art, the utility model has the advantages that
(1) step is few, easy and simple to handle.In diatom examination, completing to clear up, after suction filtration process, filter membrane is directly sticked on the conducting resinl on the scanning electron microscope example seat in sample inner box, filter membrane (together with specimen holder) is after plated film conductive processing, its (together with specimen holder) is put into sample inner box, buckle lid, then sample inner box is placed in the outer box of sample.Sample can preserve in the outer box of sample for a long time.
(2) diatom loss is few.Scanning electron microscope example seat is fixed in sample box, and during mobile example box, filter membrane is fixed relative to position, and the diatom loss caused because of mobile example box greatly reduces.
(3) sample managing is convenient, rationally.The sample box used can place 4-8 sample; material evidence sample (usually 4-6) in one case can be put together in a sample box, with sample message and anti-tear-off label on sample box, facilitates sample managing; prevent sample by artificial destruction, the integrality of protection chain of evidence.
(4) anti-pollution.The equal single use of sample box all material, each sample is all placed in independent sample inner box, and the outer box of untapped sample uses plastic film packaging, uses the outer box of rear sample to post anti-tear-off label, is effectively prevented pollution and occurs.
(5) applied widely.Use nail shape or cylindrical sample seat, be applicable to the most all model scanning electron microscope analysis.
Accompanying drawing explanation
Fig. 1 is diatom examination sample box front schematic view.
Fig. 2 is diatom examination sample box A-A generalized section.
Fig. 3 is diatom examination sample box side schematic view.
Fig. 4 is the flip structure schematic diagram of the sample inner box with lid.
Fig. 5 is the fit structure schematic diagram of nail shape scanning electron microscope example seat and sample box.
Fig. 6 is the socket joint type structural representation of the sample inner box with lid.
Detailed description of the invention
As shown in figures 1 to 6, a kind of diatom examination sample box, including several with the sample inner box 1 of lid 11 and for placing the base 2 of sample inner box;Being provided with scanning electron microscope example seat 3 in sample inner box 1, scanning electron microscope example seat 3 surface is provided with conducting resinl 4.Described scanning electron microscope example seat 3 can be nail shape or cylindrical sample seat, and material is aluminium or copper, its a diameter of 12mm-35 mm.The host material of described conducting resinl can be carbon, copper or silver.
Further, the described sample inner box 1 with lid uses cylinder design, uses flip-shell or socket joint type design;When using clam shell design, lid is connected with interior box main body, is above covered with flange, opens it to facilitate or buckles;When using socket joint type design, lid and inner box independence, the two is connected by socket mode.As shown in figs. 4 and 6.
Further, the bottom of described sample inner box 1 is provided with for fixed placement one nail shape or the position, hole 12 of cylindrical scan electron microscopic sample seat, as shown in Figure 5.
Further, the internal diameter 30mm-50mm of the described sample inner box 1 with lid, external diameter 32mm-52mm, high 25mm-40mm;Material is transparent polymer polymeric material.
Further, the quantity of sample inner box 1 is 4-8, base arranges the position, hole of respective numbers for placing sample inner box.As it is shown in figure 1, the quantity of sample inner box 1 is 6.
Further, the box sample for holding sample inner box and base Wai it is additionally provided with;It is printed on sample message hurdle, including docket, sample ID, sample preparation time, sample preparation people's name, analysis time or analyst's name on the outer box of described sample;The outer box of sample is provided with anti-tear-off label.The outer surface of the outer box of sample is additionally provided with sealing film's external packing;
During work, concrete operation step is as follows:
(1) take out sample inner box: tear sealing film's external packing on above-mentioned diatom sample box surface off, open the outer box of sample and be taken out sample inner box 1.
(2) paste filter membrane: open lid 11 in sample, with the filter membrane in tweezers gripping Vacuum filtration device, it be entirely pasted on the conducting resinl 4 of the scanning electron microscope example seating face in sample inner box,
(3) filter membrane conductive processing: filter membrane (together with specimen holder) being put into vacuum coater (or ion sputtering instrument) and carries out plated film (gold, platinum or other metal film), thickness is 10-30nm.
(4) Sample storage and management: the filter membrane (together with specimen holder) after conductive processing is put into sample inner box, buckles lid, then is placed in by sample inner box 1 in the outer box of sample.Note: the sample of same ancestor's case is placed in the outer box of a sample, to facilitate sample managing.After sample Information fills in corresponding information (docket, sample ID, sample preparation time, sample preparation people's name etc.) on the outer box of sample, stick the anti-tear-off label being marked with " analysis " or equivalents.
(6) filter membrane scanning electron microscopic observation: tear the anti-tear-off label on the outer box of sample off, open the outer box of sample and be taken out sample inner box, open lid 11 in sample, be stained with the scanning electron microscope example seat 3 of filter membrane with tweezers pinching surface, put it into scanning electron microscope example room and carry out diatom detection.
(7) preservation after sample analysis and management: diatom examination is complete, puts back to sample inner box 1 with tweezers by the scanning electron microscope example seat 3 being stained with filter membrane, buckles lid, then is placed in by sample inner box 1 in the outer box of sample.After sample Information supplements and fills in corresponding information (analysis time, analyst's name etc.) on the outer box of sample, stick " analyzing first " or the anti-tear-off label of equivalents.When being necessary to recheck, by (6) step operation, detect complete, supplement and fill in reinspection relevant information (recheck the time, recheck people's name etc.), and stick the anti-tear-off label of " reinspection " or equivalents.
Above-mentioned diatom examination sample box is applicable not only to medical jurisprudence diatom examination, also can be used for depositing the filter membrane sample in other field such as diatom ecological study, diatom means of taxonomic research.Above-mentioned embodiment is the more typical embodiment of the utility model, not limits practical range of the present utility model with this.The every other embodiment that those skilled in the art are obtained under not making creative work premise, broadly falls into the scope of the utility model protection;The equivalence change that all shapes according to the utility model, structure and principle are made, all should be covered by protection domain of the present utility model.
Claims (9)
1. a diatom examination sample box, it is characterised in that include that several are with the sample inner box (1) of lid (11) and for placing the base (2) of sample inner box;Being provided with scanning electron microscope example seat (3) in sample inner box (1), scanning electron microscope example seat (3) surface is provided with conducting resinl (4).
2. diatom examination sample box as claimed in claim 1, it is characterised in that described scanning electron microscope example seat (3) is nail shape or cylindrical sample seat, its a diameter of 12mm-35 mm.
3. diatom examination sample box as claimed in claim 1, it is characterised in that the described sample inner box (1) with lid uses cylinder design, uses flip-shell or socket joint type design;When using clam shell design, lid is connected with inner box theme, is above covered with flange, opens it to facilitate or buckles;When using socket joint type design, lid and inner box independence, the two is connected by socket mode.
4. diatom examination sample box as claimed in claim 1, it is characterised in that the bottom of described sample inner box (1) is provided with for fixed placement one nail shape or the position, hole (12) of cylindrical scan electron microscopic sample seat.
5. diatom examination sample box as claimed in claim 1, it is characterised in that the internal diameter 30mm-50mm, external diameter 32mm-52mm, high 25mm-40mm of the described sample inner box (1) with lid.
6. diatom examination sample box as claimed in claim 1, it is characterised in that the quantity of sample inner box (1) is 4-8, base arranges the box position of respective numbers for placing sample inner box.
7. diatom examination sample box as claimed in claim 1, it is characterised in that be additionally provided with the box sample for holding sample inner box and base Wai;It is printed on sample message hurdle, including docket, sample ID, sample preparation time, sample preparation people's name, analysis time or analyst's name on the outer box of described sample.
8. diatom examination sample box as claimed in claim 7, it is characterised in that the outer box of described sample is provided with anti-tear-off label.
9. diatom examination sample box as claimed in claim 7, it is characterised in that the outer surface of the outer box of described sample is additionally provided with the sealing film's external packing preventing sample contamination.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620152522.8U CN205374511U (en) | 2016-03-01 | 2016-03-01 | Diatom sample survey box |
Applications Claiming Priority (1)
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CN201620152522.8U CN205374511U (en) | 2016-03-01 | 2016-03-01 | Diatom sample survey box |
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CN205374511U true CN205374511U (en) | 2016-07-06 |
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CN201620152522.8U Expired - Fee Related CN205374511U (en) | 2016-03-01 | 2016-03-01 | Diatom sample survey box |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105606849A (en) * | 2016-03-01 | 2016-05-25 | 广州市刑事科学技术研究所 | Diatom test sample box |
CN108709416A (en) * | 2018-04-26 | 2018-10-26 | 宁波大学 | Circular glass fibrous filter membrane fire drawer shape box after a kind of filter |
-
2016
- 2016-03-01 CN CN201620152522.8U patent/CN205374511U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105606849A (en) * | 2016-03-01 | 2016-05-25 | 广州市刑事科学技术研究所 | Diatom test sample box |
CN108709416A (en) * | 2018-04-26 | 2018-10-26 | 宁波大学 | Circular glass fibrous filter membrane fire drawer shape box after a kind of filter |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 |
|
CF01 | Termination of patent right due to non-payment of annual fee |