CN106974659A - A kind of latent fingerprint detection method based on red fluorescence carbon point material - Google Patents
A kind of latent fingerprint detection method based on red fluorescence carbon point material Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/117—Identification of persons
- A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
- A61B5/1172—Identification of persons based on the shapes or appearances of their bodies or parts thereof using fingerprinting
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- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
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Abstract
The invention belongs to fingerprinting detection technique field, specially a kind of latent fingerprint detection method based on red fluorescence carbon point material.Red fluorescence carbon point proposed by the present invention is prepared using hydro-thermal method, then through filtering, neutralization, washing, the lyophilized solid for obtaining uniform particle sizes.This carbon point shows electropositive in acid condition, can be combined, be wrapped up by sebum, from the fluorescent quenching of carbon point in drying process by electronegative sebum in electrostatic interaction and fingerprint residues thing etc..And the carbon point that those are not combined with sebum, cause fluorescent quenching due to drying reunion.Finally under uviol lamp or under blue light, the pattern of latent fingerprint is rapidly and accurately shown.This method can simply and quickly show fingerprint in the way of launching fluorescence, can be applied on the various material surfaces such as glass, metal, leather, plastics, ceramics.Safety non-toxic of this carbon point itself, it is good and cheap, it is easily manufactured, it is suitable for popularization and application.
Description
Technical field
The invention belongs to fingerprinting detection technique field, the specific latent fingerprint method of detection.
Background technology
Everyone suffers from different fingerprints.In accident or criminal's field investigation, fingerprint analysis provides identification identity
Admissible evidence.When the finger of a people contacts the surface of solids, the material such as sweat and sebum, will leave uniqueness on surface on hand
Trace.Under normal circumstances, these traces can not be seen by bore hole, fingerprint of referred to as diving.The target of fingerprint detection is that enhancing is latent
The observability of fingerprint.Up to now, many nano luminescent materials apply showing in latent fingerprint.Including ZnS quantum dots,
Zinc oxide quantum dot, cadmiumsulfide quantum dot, lanthanide complex, gold nanoclusters etc..
In the more than ten years in past, carbon point receives extensive concern as a kind of outstanding fluorescent material.Its advantage includes stable
Fluorescence property, green, the good biological safety and environment friendly of low cost, synthetic method.Carbon point application field bag
Include bio-imaging, medicament transport, fluorescence sense and analysis.However, up to the present, carbon point is applied into grinding for fingerprint detection
Study carefully considerably less.In fact, application of the conventional carbon point on developing latent finger printss is faced with many obstacles.First, most of carbon points
Fluorescence is blue-green, can be disturbed by paper, plastics blue-fluorescence.Secondly, the solution of carbon point during evaporation and concentration, its
Fluorescence is because carbon point occurs to reunite and be quenched.The carbon point of general solid-state is all without obvious fluorescence.Finally, water as carbon point most
Conventional scattered medium is difficult to be uniformly adhered on many smooth surfaces, and organic solvent typically can all damage fingerprint
Note.
The content of the invention
It is an object of the invention to provide a kind of simple, fast, efficient, safe latent fingerprint detection method.
The latent fingerprint detection method that the present invention is provided, is the red fluorescence carbon point based on a kind of High Efficiency Luminescence.Due to the carbon
Point transmitting red fluorescence, can at utmost reduce the interference of multiple material blue background fluorescence.Although traditional carbon point all can
In the solution evaporation process, because particle aggregation and caused by fluorescent quenching, but this characteristic by the present invention dexterously using showing
Show fingerprint.Specifically, present invention synthetic surface first contains the carbon point of a large amount of amidos, and the carbon point is tied in acidic aqueous solution
Close hydrogen ion and show electropositive, can effectively be attracted by electrostatic interaction with the sebum with negative electrical charge in fingerprint residues thing etc.,
The evaporation of moisture is inhibited using the cladding of these residues, and is then spontaneously dried not in contact with the carbon point of fingerprint residues thing and lost glimmering
Light, finally shows the pattern and details of latent fingerprint complete display under ultraviolet lighting.
Feux rouges carbon point is dissolved in acid solution by the present invention, is fitted into spray bottle, it is only necessary to unification several watts of power of branch
Uviol lamp is the latent fingerprint of detectable surfaces of various materials, is a kind of simple, quick, portable, efficient, safe method.Specifically
Step is as follows：
（1）The preparation of red fluorescence carbon point
By 0.05 ~ 0.2 gram of organic amine ultrasonic dissolution in water, 0.5 ~ 2 milliliter of phosphoric acid is added, after being well mixed, is sealed in poly-
In the stainless steel cauldron of tetrafluoroethene liner, in 150 ~ 220 DEG C, hydro-thermal reaction 4 ~ 48 hours；After hydro-thermal reaction terminates, system
Room temperature is cooled to, the solution obtains settled solution with micro-pore-film filtration；The settled solution, which is neutralized, using sodium hydroxide obtains suspended
Liquid, using centrifuge, collects bottom precipitation, with ethanol and washed several times with water；Washed sample dissolves in an acidic solution, so
After be freeze-dried, that is, red fluorescence carbon point is made；
Prepared carbon point, its main component is carbon, simultaneously containing a small amount of nitrogen, hydrogen, oxygen element, and particle diameter is 1 ~ 5
Nanometer, with carbonization structure；
（2）Latent fingerprint detection
By the dissolving of red fluorescence carbon point in an acidic solution, obtain sending out the carbon dots solution of red fluorescence, take 5 ~ 15ml carbon dots solutions
In spray bottle；Spray solution is being attached on the fingerprint of carrier, be then placed in 50 ~ 70 DEG C baking oven 1 ~ 2 minute or
Room temperature is placed 8 ~ 12 minutes, after surface moisture volatilization, under the ultra violet lamp of 365 nanometers of wavelength, you can it was observed that show
Fingerprint lines, is taken pictures with camera.
Wherein, the carrier can be glass, metal, leather, plastics, ceramics etc..
The invention has the advantages that：
（1）Carbon point synthetic method is simple, with low cost, and yield is high, safety non-toxic, environmental protection；
（2）The process for show is low for equipment requirements, simple to operate portable, is adapted to popularization and application；
（3）Many matrix launch blue-fluorescence under uviol lamp, and the carbon point launches red fluorescence, can be reduced to a great extent
Ambient interferences, improve the accuracy of analysis；
（4）Fingerprint manifestation stablizes lasting after the spraying of carbon point, and the fingerprint placed for a long time can also be shown.
Brief description of the drawings
Fig. 1：The transmission electron microscope image of carbon point.
Fig. 2：Fluorescence spectrum of the carbon dots solution in the case where different wavelengths of light is excited.
Fig. 3：Carbon dots solution is sprayed to the laser confocal microscope picture after fingerprint trace.Right figure is details in a play not acted out on stage, but told through dialogues photo, left
Figure is photograph via bright field.
Fig. 4：Carbon dots solution is sprayed on glass（A）, aluminium foil（B）, leather（C）, plastics（D）On the fingerprint on surface, in ultraviolet light
Take the picture of lower shooting.
Fig. 5：The present invention carries out the flow diagram of latent fingerprint detection.
Embodiment
Embodiment 1
（1）The preparation of feux rouges carbon point：
The p-phenylenediamine ultrasonic dissolution for weighing 0.1 gram adds 1 milliliter of concentrated phosphoric acid in 40 milliliters of water（85%）, it is well mixed
Afterwards, it is sealed in ptfe autoclave, system is heated to 180 DEG C and reacted 24 hours.System is cooled to after room temperature, is filtered
To settled solution.The settled solution is neutralized using sodium hydroxide and obtains suspension, and centrifugation, collection bottom precipitation use second alcohol and water
Washing precipitation is for several times.Washed sample is dissolved in 10 milliliters of watery hydrochloric acid（0.1 mol/L）In, then it is freeze-dried, that is, is made red
Light carbon point；
（2）Feux rouges carbon dots solution is applied to showing for latent fingerprint：
0.1 gram of feux rouges carbon point is dissolved in 100 milliliters of watery hydrochloric acid（0.1 mol/L）In, obtain feux rouges carbon dots solution.Will
10 milliliters of feux rouges carbon dots solutions are poured into spray bottle.Glass, metal, leather, plastics, ceramics and other items are chosen to hold as fingerprint
Carrier, by spray solution on fingerprint, is then placed in 60 DEG C of baking oven one minute or is placed ten minutes in room temperature, wait surface
After moisture volatilization, under 365 nanometers of ultra violet lamp, you can it was observed that the fingerprint lines shown, is photographed to record with camera.
Embodiment 2
Preparation method and embodiment 1 are identical, but step（1）In 180 DEG C heating be changed within 24 hours 200 DEG C heat 20 hours, its
His condition is constant.The feux rouges carbon point of 0.1 gram of synthesis is dissolved in 100 milliliters of watery hydrochloric acid（0.1 mol/L）In, use spray-on process
The latent fingerprint on glass, metal, leather, plastics, ceramics and other items surface is detected, is photographed to record with camera.
Embodiment 3
Preparation method and embodiment 1 are identical, but step（1）The amount of middle use p-phenylenediamine is changed to 0.2 gram, and other conditions are not
Become.The feux rouges carbon point of 0.1 gram of synthesis is dissolved in 100 milliliters of watery hydrochloric acid（0.1 mol/L）In, with spray-on process detect glass,
The latent fingerprint on metal, leather, plastics, ceramics and other items surface, is photographed to record with camera.
Embodiment 4
Preparation method and embodiment 1 are identical, but step（1）The amount of middle use p-phenylenediamine is changed to 0.2 gram, 180 DEG C of heating 24
Hour is changed to 200 DEG C and heated 20 hours, and other conditions are constant.The carbon point of 0.1 gram of synthesis is dissolved in 100 milliliters of watery hydrochloric acid
（0.1 mol/L）In, the latent fingerprint on glass, metal, leather, plastics, ceramics and other items surface is detected with spray-on process, camera is used
Photograph to record.
Embodiment 5
（1）The preparation of feux rouges carbon point：
By 0.1 gram of o-phenylenediamine ultrasonic dissolution in 40 milliliters of water, 1 milliliter of concentrated phosphoric acid is added（85%）, it is uniform after mixing
Afterwards, it is sealed in ptfe autoclave, system is heated 24 hours at 180 DEG C.System is cooled to after room temperature, is filtrated to get clear
Clear solution.The settled solution, which is neutralized, using sodium hydroxide obtains suspension, centrifugation, collection bottom precipitation, with ethanol and water washing
Precipitation is for several times.Washed sample is dissolved in 10 milliliters of watery hydrochloric acid（0.1 mol/L）In, then it is freeze-dried, that is, feux rouges carbon is made
Point；
（2）Feux rouges carbon dots solution is applied to showing for latent fingerprint：
0.1 gram of feux rouges carbon point is dissolved in 100 milliliters of watery hydrochloric acid（0.1 mol/L）In, obtain feux rouges carbon dots solution.Will
10 milliliters of feux rouges carbon dots solutions are poured into spray bottle.Glass, metal, leather, plastics, ceramics and other items are chosen to hold as fingerprint
Carrier, by spray solution on fingerprint, is then placed in 60 DEG C of baking oven one minute or is placed ten minutes in room temperature, wait surface
After moisture volatilization, under 365 nanometers of ultra violet lamp, you can it was observed that the fingerprint lines shown, is photographed to record with camera.
Embodiment 6
Preparation method and embodiment 5 are identical, but step（1）In 180 DEG C heating be changed within 24 hours 200 DEG C heat 20 hours, its
His condition is constant.The feux rouges carbon point of 0.1 gram of synthesis is dissolved in 100 milliliters of watery hydrochloric acid（0.1 mol/L）In, use spray-on process
The latent fingerprint on glass, metal, leather, plastics, ceramics and other items surface is detected, is photographed to record with camera.
Embodiment 7
Preparation method and embodiment 5 are identical, but step（1）The amount of middle use o-phenylenediamine is changed to 0.2 gram, and other conditions are not
Become.The feux rouges carbon point of 0.1 gram of synthesis is dissolved in 100 milliliters of watery hydrochloric acid（0.1 mol/L）In, with spray-on process detect glass,
The latent fingerprint on metal, leather, plastics, ceramics and other items surface, is photographed to record with camera.
Embodiment 8
Preparation method and embodiment 5 are identical, but step（1）The amount of middle use o-phenylenediamine is changed to 0.2 gram, 180 DEG C of heating 24
Hour is changed to 200 DEG C and heated 20 hours, and other conditions are constant.The feux rouges carbon of 0.1 gram of synthesis is selected and is dissolved in 100 milliliters of dilute salt
Acid（0.1 mol/L）In, the latent fingerprint on glass, metal, leather, plastics, ceramics and other items surface is detected with spray-on process, phase is used
Machine is photographed to record.
Embodiment 9
（1）The preparation of feux rouges carbon point：
By 0.1 gram of m-phenylene diamine (MPD) ultrasonic dissolution in 40 milliliters of water, 1 milliliter of concentrated phosphoric acid is added（85%）, it is uniform after mixing
Afterwards, it is sealed in ptfe autoclave, system is heated 24 hours at 180 DEG C.System is cooled to after room temperature, is filtrated to get clear
Clear solution.The settled solution, which is neutralized, using sodium hydroxide obtains suspension, centrifugation, collection bottom precipitation, with ethanol and water washing
Precipitation is for several times.Washed sample is dissolved in 10 milliliters of watery hydrochloric acid（0.1 mol/L）In, then it is freeze-dried, that is, feux rouges carbon is made
Point；
（2）Feux rouges carbon dots solution is applied to showing for latent fingerprint：
0.1 gram of feux rouges carbon point is dissolved in 100 milliliters of watery hydrochloric acid（0.1 mol/L）In, obtain feux rouges carbon dots solution.Will
10 milliliters of feux rouges carbon dots solutions are poured into spray bottle.Glass, metal, leather, plastics, ceramics and other items are chosen to hold as fingerprint
Carrier, by spray solution on fingerprint, is then placed in 60 DEG C of baking oven one minute or is placed ten minutes in room temperature, wait surface
After moisture volatilization, under 365 nanometers of ultra violet lamp, you can it was observed that the fingerprint lines shown, is photographed to record with camera.
Embodiment 10
Preparation method and embodiment 9 are identical, but step（1）The amount of middle use m-phenylene diamine (MPD) is changed to 0.2 gram, and other conditions are not
Become.The feux rouges carbon point of 0.1 gram of synthesis is dissolved in 100 milliliters of watery hydrochloric acid（0.1 mol/L）In, with spray-on process detect glass,
The latent fingerprint on metal, leather, plastics, ceramics and other items surface, is photographed to record with camera.
Embodiment 11
Preparation method and embodiment 9 are identical, but step（1）In 180 DEG C heating be changed within 24 hours 200 DEG C heat 20 hours, its
His condition is constant.The feux rouges carbon point of 0.1 gram of synthesis is dissolved in 100 milliliters of watery hydrochloric acid（0.1 mol/L）In, use spray-on process
The latent fingerprint on glass, metal, leather, plastics, ceramics and other items surface is detected, is photographed to record with camera.
Embodiment 12
Preparation method and embodiment 9 are identical, but step（1）The amount of middle use m-phenylene diamine (MPD) is changed to 0.2 gram, 180 DEG C of heating 24
Hour is changed to 200 DEG C and heated 20 hours, and other conditions are constant.The feux rouges carbon of 0.1 gram of synthesis is selected and is dissolved in 100 milliliters of dilute salt
Acid（0.1 mol/L）In, the latent fingerprint on glass, metal, leather, plastics, ceramics and other items surface is detected with spray-on process, phase is used
Machine is photographed to record.
It is attached：Embodiment the results list
。
Claims (4)
1. a kind of latent fingerprint detection method based on red fluorescence carbon point material, it is characterised in that comprise the following steps that：
（1）The preparation of red fluorescence carbon point
By 0.05 ~ 0.2 gram of organic amine ultrasonic dissolution in water, 0.5 ~ 2 milliliter of phosphoric acid is added, after being well mixed, is sealed in poly-
In the stainless steel cauldron of tetrafluoroethene liner, in 150 ~ 220 DEG C, hydro-thermal reaction 4 ~ 48 hours；After hydro-thermal reaction terminates, system
Room temperature is cooled to, the solution obtains settled solution with micro-pore-film filtration；The settled solution, which is neutralized, using sodium hydroxide obtains suspended
Liquid, using centrifuge, collects bottom precipitation, with ethanol and washed several times with water；Washed sample dissolves in an acidic solution, so
After be freeze-dried, that is, red fluorescence carbon point is made；
Prepared carbon point, its main component is carbon, simultaneously containing a small amount of nitrogen, hydrogen, oxygen element, and particle diameter is 1 ~ 5
Nanometer, with carbonization structure；
（2）Latent fingerprint detection
By the dissolving of red fluorescence carbon point in an acidic solution, obtain sending out the carbon dots solution of red fluorescence, take 5 ~ 15 milliliters of carbon points molten
Liquid is in spray bottle；Spray solution is being attached on the fingerprint of carrier, be then placed in 50 ~ 70 DEG C baking oven 1 ~ 2 minute or
Placed 8 ~ 12 minutes in room temperature, after surface moisture volatilization, under the ultra violet lamp of 365 nanometers of wavelength, you can it was observed that showing
Fingerprint lines, taken pictures with camera.
2. the latent fingerprint detection method according to claim 1 based on red fluorescence carbon point material, it is characterised in that described
Carrier is glass, metal, leather, plastics or ceramics.
3. a kind of preparation method of red fluorescence carbon point, it is characterised in that comprise the following steps that：
By 0.05 ~ 0.2 gram of organic amine ultrasonic dissolution in water, 0.5 ~ 2 milliliter of phosphoric acid is added, after being well mixed, is sealed in poly-
In the stainless steel cauldron of tetrafluoroethene liner, in 150 ~ 220 DEG C, hydro-thermal reaction 4 ~ 48 hours；After hydro-thermal reaction terminates, system
Room temperature is cooled to, the solution obtains settled solution with micro-pore-film filtration；The settled solution, which is neutralized, using sodium hydroxide obtains suspended
Liquid, using centrifuge, collects bottom precipitation, with ethanol and washed several times with water；Washed sample dissolves in an acidic solution, so
After be freeze-dried, that is, red fluorescence carbon point is made.
4. a kind of red fluorescence carbon point obtained as preparation method described in claim 1, its main component is carbon, is contained simultaneously
There are a small amount of nitrogen, hydrogen, oxygen element, particle diameter is 1 ~ 5 nanometer, with carbonization structure.
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Cited By (14)
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|---|---|---|---|---|
| CN107582067A (en) * | 2017-09-04 | 2018-01-16 | 苏州晓松科技开发有限公司 | A kind of bioluminescence visualization reagent and process for show for being used to show human skin's biological evidence vestige |
| CN107603612A (en) * | 2017-09-18 | 2018-01-19 | 山西大学 | A kind of preparation method and application of hollow fluorescent orange carbon nano-particles |
| CN108359453A (en) * | 2018-02-05 | 2018-08-03 | 吉林大学 | It is a kind of to pass through the feux rouges carbonized polymers point and preparation method thereof of the high fluorescence quantum efficiency of blood-brain barrier by prepared by o-phenylenediamine |
| CN109385273A (en) * | 2017-08-09 | 2019-02-26 | 中国科学院宁波材料技术与工程研究所 | Extra long life room temperature phosphorimetry material, preparation method and application |
| CN109504374A (en) * | 2018-11-30 | 2019-03-22 | 郑州大学 | A kind of method of large scale preparation high efficiency red/near infrared emission fluorescent carbon point |
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| CN112280556A (en) * | 2020-11-14 | 2021-01-29 | 西北农林科技大学 | Preparation of phosphate radical responsive carbon quantum dots and application of phosphate radical responsive carbon quantum dots in fingerprint fluorescence identification |
| CN113583667A (en) * | 2021-07-30 | 2021-11-02 | 安徽工业大学 | Sweat fingerprint developing reagent based on multicolor diazo carbon dots and display method thereof |
| CN116214762A (en) * | 2023-03-16 | 2023-06-06 | 苏州博之顺材料科技有限公司 | Modified plastic processing system and method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100009432A1 (en) * | 2003-06-13 | 2010-01-14 | Korea Advanced Inst Sci & Tech | Conductive carbon nanotubes dotted with metal and method for fabricating a biosensor using the same |
| CN103395771A (en) * | 2013-08-01 | 2013-11-20 | 吉林大学 | Carbon dots with high fluorescent quantum yield, and application thereof in fluorescent color development |
| CN103919558A (en) * | 2014-04-13 | 2014-07-16 | 中南民族大学 | Method of adopting fluorescence quenching system to potential fingerprint display |
| CN104388083A (en) * | 2014-11-18 | 2015-03-04 | 沈阳大学 | Method for synthesizing brilliant-yellow fluorescent carbon dots |
| CN104610964A (en) * | 2015-01-08 | 2015-05-13 | 中国科学院大学 | Preparation method of wavelength adjustable fluorescent carbon dot and application of fluorescent carbon dot in mercury ion detection |
| CN106010523A (en) * | 2016-05-21 | 2016-10-12 | 辽宁大学 | Phosphorus-doped fluorescent carbon point with high fluorescent quantum yield as well as preparation method and application thereof |
| CN106370640A (en) * | 2016-11-25 | 2017-02-01 | 西南大学 | Carbon dot-gold cluster composite fluorescent nanoprobe and application thereof |
| CN106381143A (en) * | 2016-08-30 | 2017-02-08 | 上海交通大学 | Method for batch green synthesis of nitrogen and phosphorus doped fluorescent carbon dots |
| CN106566534A (en) * | 2016-11-04 | 2017-04-19 | 中国矿业大学 | Red-light carbon dot of high yield and high quantum yield, and preparation method thereof |
-
2017
- 2017-05-20 CN CN201710361291.0A patent/CN106974659A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100009432A1 (en) * | 2003-06-13 | 2010-01-14 | Korea Advanced Inst Sci & Tech | Conductive carbon nanotubes dotted with metal and method for fabricating a biosensor using the same |
| CN103395771A (en) * | 2013-08-01 | 2013-11-20 | 吉林大学 | Carbon dots with high fluorescent quantum yield, and application thereof in fluorescent color development |
| CN103919558A (en) * | 2014-04-13 | 2014-07-16 | 中南民族大学 | Method of adopting fluorescence quenching system to potential fingerprint display |
| CN104388083A (en) * | 2014-11-18 | 2015-03-04 | 沈阳大学 | Method for synthesizing brilliant-yellow fluorescent carbon dots |
| CN104610964A (en) * | 2015-01-08 | 2015-05-13 | 中国科学院大学 | Preparation method of wavelength adjustable fluorescent carbon dot and application of fluorescent carbon dot in mercury ion detection |
| CN106010523A (en) * | 2016-05-21 | 2016-10-12 | 辽宁大学 | Phosphorus-doped fluorescent carbon point with high fluorescent quantum yield as well as preparation method and application thereof |
| CN106381143A (en) * | 2016-08-30 | 2017-02-08 | 上海交通大学 | Method for batch green synthesis of nitrogen and phosphorus doped fluorescent carbon dots |
| CN106566534A (en) * | 2016-11-04 | 2017-04-19 | 中国矿业大学 | Red-light carbon dot of high yield and high quantum yield, and preparation method thereof |
| CN106370640A (en) * | 2016-11-25 | 2017-02-01 | 西南大学 | Carbon dot-gold cluster composite fluorescent nanoprobe and application thereof |
Cited By (22)
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|---|---|---|---|---|
| CN109385273A (en) * | 2017-08-09 | 2019-02-26 | 中国科学院宁波材料技术与工程研究所 | Extra long life room temperature phosphorimetry material, preparation method and application |
| CN109385273B (en) * | 2017-08-09 | 2021-10-12 | 中国科学院宁波材料技术与工程研究所 | Ultra-long-life room temperature phosphorescent material, and preparation method and application thereof |
| CN107582067A (en) * | 2017-09-04 | 2018-01-16 | 苏州晓松科技开发有限公司 | A kind of bioluminescence visualization reagent and process for show for being used to show human skin's biological evidence vestige |
| CN107603612A (en) * | 2017-09-18 | 2018-01-19 | 山西大学 | A kind of preparation method and application of hollow fluorescent orange carbon nano-particles |
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| CN108359453A (en) * | 2018-02-05 | 2018-08-03 | 吉林大学 | It is a kind of to pass through the feux rouges carbonized polymers point and preparation method thereof of the high fluorescence quantum efficiency of blood-brain barrier by prepared by o-phenylenediamine |
| CN108359453B (en) * | 2018-02-05 | 2021-02-26 | 吉林大学 | Red light carbonized polymer dot prepared from o-phenylenediamine and capable of passing through blood brain barrier and having high fluorescence quantum efficiency and preparation method of red light carbonized polymer dot |
| CN110343426A (en) * | 2018-04-02 | 2019-10-18 | 中国科学院宁波材料技术与工程研究所 | A kind of anti-forgery ink with thermal response phosphorescence, preparation method and application |
| CN110343426B (en) * | 2018-04-02 | 2021-12-31 | 中国科学院宁波材料技术与工程研究所 | Anti-counterfeiting ink with thermal response phosphorescence, and preparation method and application thereof |
| CN110343521A (en) * | 2018-04-02 | 2019-10-18 | 中国科学院宁波材料技术与工程研究所 | A kind of thermal response phosphor material, preparation method and application |
| CN109504374B (en) * | 2018-11-30 | 2021-07-20 | 郑州大学 | Method for preparing efficient red/near-infrared emission fluorescent carbon dots on large scale |
| CN109504374A (en) * | 2018-11-30 | 2019-03-22 | 郑州大学 | A kind of method of large scale preparation high efficiency red/near infrared emission fluorescent carbon point |
| CN109796971B (en) * | 2019-01-09 | 2021-07-02 | 山西大学 | Nitrogen-doped red fluorescent carbon quantum dot and preparation method and application thereof |
| CN109796971A (en) * | 2019-01-09 | 2019-05-24 | 山西大学 | A kind of N doping red fluorescence carbon quantum dot and its preparation method and application |
| CN109880614A (en) * | 2019-03-16 | 2019-06-14 | 复旦大学 | Carbon dots-starch composite phosphor and preparation method thereof for fingerprint detection of diving |
| CN110041922A (en) * | 2019-04-12 | 2019-07-23 | 冯翔宇 | A kind of carbon-based nano fluorescent material and preparation method thereof |
| CN110257061A (en) * | 2019-07-31 | 2019-09-20 | 西南大学 | Method for preparing yellow fluorescence carbon dots using 2,3- diamino-pyridine and products thereof and application |
| CN112280556A (en) * | 2020-11-14 | 2021-01-29 | 西北农林科技大学 | Preparation of phosphate radical responsive carbon quantum dots and application of phosphate radical responsive carbon quantum dots in fingerprint fluorescence identification |
| CN112280556B (en) * | 2020-11-14 | 2022-12-09 | 西北农林科技大学 | Preparation of phosphate radical responsive carbon quantum dots and application of phosphate radical responsive carbon quantum dots in fingerprint fluorescence identification |
| CN113583667A (en) * | 2021-07-30 | 2021-11-02 | 安徽工业大学 | Sweat fingerprint developing reagent based on multicolor diazo carbon dots and display method thereof |
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