CN108031862A - A kind of preparation method of gold-silver alloy nano particle - Google Patents
A kind of preparation method of gold-silver alloy nano particle Download PDFInfo
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- CN108031862A CN108031862A CN201810020473.6A CN201810020473A CN108031862A CN 108031862 A CN108031862 A CN 108031862A CN 201810020473 A CN201810020473 A CN 201810020473A CN 108031862 A CN108031862 A CN 108031862A
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Abstract
The invention discloses a kind of preparation method of gold-silver alloy nano particle, it is related to technical field of nanometer material preparation.It the described method comprises the following steps：(1) fructose is dissolved in the fructose aqueous solution that 0.5~1.5mol/L is made in deionized water, and pH is adjusted to 7~9 with lye；(2) aqueous solution of chloraurate and silver nitrate aqueous solution are carried out that mixed liquor is mixed to obtain, the molar ratio of gold ion and silver ion is 1: 1~5 in the mixed liquor；(3) after the fructose aqueous solution after adjustment pH being heated to boiling, above-mentioned mixed liquor, and 1~8 clock of sustained response under fluidized state is added, after reaction, gained reaction solution is centrifuged, taking precipitate drying, up to the gold-silver alloy nano particle.The present invention is using fructose as primary raw material, and by controlling reaction condition, making obtained gold-silver alloy nano particle, not only particle diameter is small, and good dispersion, plasma resonance model is obvious, and is remained without toxic chemical, safe to use.
Description
【Technical field】
The present invention relates to technical field of nano material, and in particular to a kind of preparation method of gold-silver alloy nano particle.
【Background technology】
Gold-silver alloy nano particle illustrates unique excellent physicochemical property in optics, electricity, catalysis etc., can be wide
It is general to be applied to each fields such as material, medical test, clinical medicine, food, chemical industry.Especially in optics aspect, electrum nanometer
Particle surface electronics generates obvious surface plasma resonance signal when interacting with light, and the wavelength of the plasmon signal leads to
It is frequently located between 510-430nm, available for medicine radiography, medical treatment detection and drug screening etc..In biomedical applications,
Basic demand to nano-particle is nontoxic, no chemical agent residue.Therefore, Fast back-projection algorithm is non-toxic and has obvious plasma
The gold and silver Nanoalloy particle of resonance signal becomes the research hotspot in life science and pharmaceutical field.
The method for preparing gold-silver alloy nano particle is mainly summarised as Physical and chemical method.Physical mainly includes gas phase
Method, mechanical milling method and laser ablation etc., but Physical is to the more demanding of equipment, it is difficult to obtain the particle of size uniform.
Chemical method is a kind of more mature synthetic method, mainly including vapour deposition process, liquid phase reduction and electrolysis etc..Wherein,
Liquid phase reduction application is more universal, it is to carry out reduction reaction to gold ion and silver ion using reducing agent, completes gold and silver and closes
The preparation of gold nano grain.This method is easy to operate, and cost is relatively low, but need to generally introduce chemical reagent, this can be to ecological environment
Bring potential risks.In recent years, plant reduction method gradually grew up in gold-silver alloy nano particle field is prepared.Example
Such as, chemical reducing agent is substituted by plant extraction liquids such as grapefruit flesh, olive leaf and pomegranates to realize gold-silver alloy nano particle
Synthesis.This method has that raw material sources are extensive, reaction condition is gentle, manufacturing cost is low, the advantage such as environmentally protective.
Fructose is the isomer of glucose, and a kind of reductive monosaccharide, and fructose is widely distributed, cheap, nothing
Poison and it is easy to long-time storage.At present, there is not yet related fructose water solution synthesizes gold-silver alloy nano particle as reducing agent
Report.If gold-silver alloy nano particle can be prepared using fructose aqueous solution as reducing agent, not only can with environmental protection, but also
Avirulent gold-silver alloy nano particle can be obtained, is laid a good foundation for further biologic applications.
【The content of the invention】
In view of the above-mentioned problems, the technical problem to be solved in the present invention is to provide a kind of preparation side of gold-silver alloy nano particle
Method, this method is using fructose as primary raw material, by controlling reaction condition, makes obtained gold-silver alloy nano particle not only particle diameter
Small, good dispersion, plasma resonance model is obvious, and is remained without toxic chemical, safe to use.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of preparation method of gold-silver alloy nano particle, comprises the following steps：
(1) fructose is dissolved in the fructose aqueous solution that 0.5~1.5mol/L is made in deionized water, with lye by the fruit
The pH of sugar aqueous solution is adjusted to 7~9；
(2) after being mixed aqueous solution of chloraurate and silver nitrate aqueous solution, magnetic force stirs under the rotating speed of 150~250rpm
1~3min is mixed, obtains mixed liquor, the molar ratio of gold ion and silver ion is 1: 1~5 in the mixed liquor；
(3) after the fructose aqueous solution after adjustment pH in step (1) being heated to boiling, the obtained mixing of step (2) is added
Liquid, and 1~8 clock of sustained response under fluidized state, after reaction, gained reaction solution is centrifuged, taking precipitate drying,
Up to the gold-silver alloy nano particle.
Further, the lye is the sodium hydroxide solution of 1mol/L, and the preparation method of the sodium hydroxide solution
For：Sodium hydroxide dissolution of crystals is formed into 1mol/L sodium hydroxide solutions in deionized water.
Further, the aqueous solution of chloraurate preparation method is：Gold chloride dissolution of crystals is formed in deionized water
0.1mol/L chlorauric acid solutions.
Further, the preparation method of the silver nitrate aqueous solution is：Silver nitrate crystal is dissolved in shape in deionized water
Into 0.01mol/L silver nitrate solutions.
Preferably, the molar ratio of gold ion and silver ion is 1: 1.5 in the mixed liquor.
Preferably, the molar ratio of gold ion and silver ion is 1: 2.5 in the mixed liquor.
Further, in the step (3), after fructose aqueous solution first is heated to boiling, boiling 5~15 minutes is kept,
It is fully hydrolyzed fructose aqueous solution, the mixed liquor added in step (2) is reacted.
Inventor has found in many experiments：Pass through the ratio of gold ion and silver ion in the mixed liquor of rate-determining steps (2)
With the reaction time under step (3) fluidized state, the component of the gold-silver alloy nano particle synthesized by energy controllable adjustment.
Compared with prior art, the invention has the advantages that：
(1) present invention is using fructose as primary raw material, by controlling reaction condition, makes obtained gold-silver alloy nano particle not
But particle diameter is small (particle diameter is about 12nm), and good dispersion, plasma resonance model is obvious, and remain, make without toxic chemical
With safe.
(2) equipment of the present invention is simple, easy to operate, and reaction condition is gentle, and main reaction raw materials fructose
It is cheap, be readily available, be safe and non-toxic, the chemical reagent that used in the past is replaced using it as reducing agent, such as sodium citrate, boron
Sodium hydride, mercaptan, oleyl amine etc., obtained gold-silver alloy nano particle surface remain without toxic reagent, will not generate new
Noxious material.
【Brief description of the drawings】
In order to clearly illustrate the technical solution of the embodiment of the present invention, attached drawing used in embodiment is made below
Simple to introduce, attached drawing is only description of the present invention to embodiment.
Fig. 1 is the UV-visible absorption spectrum of gold-silver alloy nano particle in the embodiment of the present invention 3；
Fig. 2 is the TEM figures (transmission electron microscope figure) of gold-silver alloy nano particle in the embodiment of the present invention 3；
Fig. 3 is the EDX collection of illustrative plates (energy dispersive spectrogram) of gold-silver alloy nano particle in the embodiment of the present invention 3；
Fig. 4 is the UV-visible absorption spectrum of gold-silver alloy nano particle in the embodiment of the present invention 4；
Fig. 5 is the TEM figures (transmission electron microscope figure) of gold-silver alloy nano particle in the embodiment of the present invention 4；
Fig. 6 is the EDX collection of illustrative plates (energy dispersive spectrogram) of gold-silver alloy nano particle in the embodiment of the present invention 4；
【Embodiment】
The embodiment of the present invention is described further below in conjunction with attached drawing.
Embodiment 1
A kind of preparation method of gold-silver alloy nano particle of the present embodiment, comprises the following steps：
(1) glass container used is washed, is then rinsed well with deionized water；Fructose is dissolved in deionized water
In be made 0.5mol/L fructose aqueous solution, the pH of the fructose aqueous solution is adjusted to 7 with the sodium hydroxide solution of 1mol/L；
The preparation method of the sodium hydroxide solution is：Sodium hydroxide dissolution of crystals is formed into 1mol/L sodium hydroxides in deionized water
Solution.
(2) after aqueous solution of chloraurate and silver nitrate aqueous solution being mixed, the magnetic agitation under the rotating speed of 150rpm
1min, obtains mixed liquor, and the molar ratio of gold ion and silver ion is 1: 1 in the mixed liquor；The aqueous solution of chloraurate preparation side
Method is：Gold chloride dissolution of crystals is formed into 0.1mol/L chlorauric acid solutions in deionized water；The system of the silver nitrate aqueous solution
Preparation Method is：Silver nitrate crystal is dissolved in formation 0.01mol/L silver nitrate solutions in deionized water.
(3) after the fructose aqueous solution after adjustment pH in step (1) being heated to boiling, boiling 5 minutes is kept, makes fructose water
Solution is fully hydrolyzed, and adds mixed liquor made from step (2), and 1~8 clock of sustained response under fluidized state, and exist respectively
Sampled when reacting the 1st minute, the 2nd minute, the 4th minute, the 6th minute, the 8th minute, after reaction, during to above-mentioned differential responses
Between acquired sample centrifuge 10 minutes under 8000rpm, and by gained sediment at 45 DEG C it is 10 minutes dry, i.e., respectively must
To obtained gold-silver alloy nano particle when reacting 1 minute, 2 minutes, 4 minutes, 6 minutes, 8 minutes.
Embodiment 2
A kind of preparation method of gold-silver alloy nano particle of the present embodiment, comprises the following steps：
(1) glass container used is washed, is then rinsed well with deionized water；Fructose is dissolved in deionized water
In be made 1.5mol/L fructose aqueous solution, the pH of the fructose aqueous solution is adjusted to 9 with the sodium hydroxide solution of 1mol/L；
The preparation method of the sodium hydroxide solution is：Sodium hydroxide dissolution of crystals is formed into 1mol/L sodium hydroxides in deionized water
Solution.
(2) after aqueous solution of chloraurate and silver nitrate aqueous solution being mixed, the magnetic agitation under the rotating speed of 250rpm
3min, obtains mixed liquor, and the molar ratio of gold ion and silver ion is 1: 5 in the mixed liquor；The aqueous solution of chloraurate preparation side
Method is：Gold chloride dissolution of crystals is formed into 0.1mol/L chlorauric acid solutions in deionized water；The system of the silver nitrate aqueous solution
Preparation Method is：Silver nitrate crystal is dissolved in formation 0.01mol/L silver nitrate solutions in deionized water.
(3) after the fructose aqueous solution after adjustment pH in step (1) being heated to boiling, boiling 15 minutes is kept, makes fructose
Aqueous solution is fully hydrolyzed, and adds mixed liquor made from step (2), and 1~8 clock of sustained response under fluidized state, and respectively
Sampled when reacting the 1st minute, the 2nd minute, the 4th minute, the 6th minute, the 8th minute, after reaction, to above-mentioned differential responses
Sample acquired by time centrifuges 10 minutes under 8000rpm, and gained sediment is dried 10 minutes at 45 DEG C, that is, distinguishes
Obtained gold-silver alloy nano particle when obtaining reacting 1 minute, 2 minutes, 4 minutes, 6 minutes, 8 minutes.
Embodiment 3
A kind of preparation method of gold-silver alloy nano particle of the present embodiment, comprises the following steps：
(1) glass container used is washed, is then rinsed well with deionized water；Fructose is dissolved in deionized water
In be made 1.11mol/L fructose aqueous solution, the pH of the fructose aqueous solution is adjusted to the sodium hydroxide solution of 1mol/L
8.26；The preparation method of the sodium hydroxide solution is：Sodium hydroxide dissolution of crystals is formed into 1mol/L hydrogen in deionized water
Sodium hydroxide solution.
(2) after aqueous solution of chloraurate and silver nitrate aqueous solution being mixed, the magnetic agitation under the rotating speed of 200rpm
2min, obtains mixed liquor, and the molar ratio of gold ion and silver ion is 1: 1.5 in the mixed liquor；It is prepared by the aqueous solution of chloraurate
Method is：Gold chloride dissolution of crystals is formed into 0.1mol/L chlorauric acid solutions in deionized water；The silver nitrate aqueous solution
Preparation method is：Silver nitrate crystal is dissolved in formation 0.01mol/L silver nitrate solutions in deionized water.
(3) after the fructose aqueous solution after adjustment pH in step (1) being heated to boiling, boiling 10 minutes is kept, makes fructose
Aqueous solution is fully hydrolyzed, and adds mixed liquor made from step (2), and 1~8 clock of sustained response under fluidized state, and respectively
Sampled when reacting the 1st minute, the 2nd minute, the 4th minute, the 6th minute, the 8th minute, after reaction, to above-mentioned differential responses
Sample acquired by time centrifuges 10 minutes under 8000rpm, and gained sediment is dried 10 minutes at 45 DEG C, that is, distinguishes
Obtained gold-silver alloy nano particle when obtaining reacting 1 minute, 2 minutes, 4 minutes, 6 minutes, 8 minutes.
Embodiment 4
A kind of preparation method of gold-silver alloy nano particle of the present embodiment, comprises the following steps：
(1) glass container used is washed, is then rinsed well with deionized water；Fructose is dissolved in deionized water
In be made 1.11mol/L fructose aqueous solution, the pH of the fructose aqueous solution is adjusted to the sodium hydroxide solution of 1mol/L
8.13；The lye is, and the preparation method of the sodium hydroxide solution is：By sodium hydroxide dissolution of crystals in deionized water
Form 1mol/L sodium hydroxide solutions.
(2) after aqueous solution of chloraurate and silver nitrate aqueous solution being mixed, the magnetic agitation under the rotating speed of 200rpm
2min, obtains mixed liquor, and the molar ratio of gold ion and silver ion is 1: 2.5 in the mixed liquor；It is prepared by the aqueous solution of chloraurate
Method is：Gold chloride dissolution of crystals is formed into 0.1mol/L chlorauric acid solutions in deionized water；The silver nitrate aqueous solution
Preparation method is：Silver nitrate crystal is dissolved in formation 0.01mol/L silver nitrate solutions in deionized water.
(3) after the fructose aqueous solution after adjustment pH in step (1) being heated to boiling, boiling 10 minutes is kept, makes fructose
Aqueous solution is fully hydrolyzed, and adds mixed liquor made from step (2), and 1~8 clock of sustained response under fluidized state, and respectively
Sampled when reacting the 1st minute, the 2nd minute, the 4th minute, the 6th minute, the 8th minute, after reaction, to above-mentioned differential responses
Sample acquired by time centrifuges 10 minutes under 8000rpm, and gained sediment is dried 10 minutes at 45 DEG C, that is, distinguishes
Obtained gold-silver alloy nano particle when obtaining reacting 1 minute, 2 minutes, 4 minutes, 6 minutes, 8 minutes.
In order to illustrate the effect of the present invention, applicant is respectively to electrum nanometer made from embodiment 3 and embodiment 4
Granule-morphology, particle diameter, constituent and plasmon resonance signal of grain etc. are detected, as a result as follows：
The result of embodiment 3：
Embodiment 3 is reacted 1 minute, 2 minutes, 4 points using the UV-2600 types ultraviolet specrophotometer of Japanese Shimadzu Corporation
Clock, 6 minutes, 8 minutes gained sample centrifugation after, its uv-visible absorption spectra (UV-Vis) figure is surveyed, as shown in Figure 1, this implementation
The absworption peak that gold-silver alloy nano particle made from example produces produces obvious plasmon resonance signal between 420-510nm.
The gold of 2 minute gained is reacted embodiment 3 using the JEM-2100F types transmission electron microscope of Japan Electronics Corporation
The TEM figures (transmission electron microscope figure) that silver alloy nano particle is characterized, as shown in Fig. 2, can significantly find out this reality
Apply gold-silver alloy nano particle pattern obtained by example show it is spherical, obtained by remaining 1 minute, 4 minutes, 6 minutes, 8 minutes
Sample pattern it is similar with the gold-silver alloy nano particle that 2 minutes obtain, its particle size is 12.1nm or so.
4 minutes gained gold and silver are reacted using Japan Electronics Corporation EDAX Falcon s60 types energy disperse spectroscopy detection embodiment 3 to close
The EDX collection of illustrative plates (energy dispersive spectrogram) of gold nano grain, as shown in figure 3, can significantly find out the present embodiment reaction gained
The component of nano particle is gold, silver element, and Cu is copper mesh component used in test, is not the impurity that nano particle is included.
The result of embodiment 4：
Embodiment 4 is reacted 1 minute, 2 minutes, 4 points using the UV-2600 types ultraviolet specrophotometer of Japanese Shimadzu Corporation
Clock, 6 minutes, 8 minutes gained sample centrifugation after, its uv-visible absorption spectra (UV-Vis) figure is surveyed, as shown in figure 4, this implementation
The absworption peak that gold-silver alloy nano particle made from example produces produces obvious plasmon resonance signal between 420-510nm.
The gold of 2 minute gained is reacted embodiment 4 using the JEM-2100F types transmission electron microscope of Japan Electronics Corporation
The result (transmission electron microscope figure) that silver alloy nano particle is characterized, as shown in Figure 5, it can be clearly seen that the present embodiment
The gold-silver alloy nano particle of gained shows spherical, its particle size is 12.7nm or so, remaining 1 minute, 4 minutes, 6
The pattern of sample obtained by minute, 8 minutes is similar with the electrum nanotopography that the 2nd minute is obtained.
4 minute gained electrum is reacted embodiment 4 using Japan Electronics Corporation's EDAX Falcon s60 types energy disperse spectroscopies
The EDX collection of illustrative plates (energy dispersive spectrogram) of nano particle, as shown in fig. 6, can significantly find out receiving for the present embodiment reaction gained
The component of rice grain is gold, silver element, and Cu is copper mesh component used in test, is not the impurity that nano particle is included.
In conclusion the pattern of nano particle made from the method for the present invention is spherical, particle diameter is about 12nm, particle into
It is divided into gold, silver element, no noxious material remains, and can produce the plasma resonance absorption peak of 420-510nm.
Described above is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, equal change or the modification change completed under the technical spirit suggested by all present invention, should all belong to
Cover the scope of the claims in the present invention.
Claims (7)
- A kind of 1. preparation method of gold-silver alloy nano particle, it is characterised in that：Comprise the following steps：(1) fructose is dissolved in the fructose aqueous solution that 0.5~1.5mol/L is made in deionized water, with lye by the fructose water The pH of solution is adjusted to 7~9；(2) after aqueous solution of chloraurate and silver nitrate aqueous solution being mixed, the magnetic agitation 1 under the rotating speed of 150~250rpm ~3min, obtains mixed liquor, and the molar ratio of gold ion and silver ion is 1: 1~5 in the mixed liquor；(3) after the fructose aqueous solution after adjustment pH in step (1) being heated to boiling, mixed liquor made from step (2) is added, and 1~8 clock of sustained response under fluidized state, after reaction, gained reaction solution is centrifuged, taking precipitate drying, to obtain the final product The gold-silver alloy nano particle.
- A kind of 2. preparation method of gold-silver alloy nano particle according to claim 1, it is characterised in that：The lye is The sodium hydroxide solution of 1mol/L, and the preparation method of the sodium hydroxide solution is：By sodium hydroxide dissolution of crystals in go from 1mol/L sodium hydroxide solutions are formed in sub- water.
- A kind of 3. preparation method of gold-silver alloy nano particle according to claim 1, it is characterised in that：The gold chloride Water solution preparation method is：Gold chloride dissolution of crystals is formed into 0.1mol/L chlorauric acid solutions in deionized water.
- A kind of 4. preparation method of gold-silver alloy nano particle according to claim 1, it is characterised in that：The silver nitrate The preparation method of aqueous solution is：Silver nitrate crystal is dissolved in formation 0.01mol/L silver nitrate solutions in deionized water.
- A kind of 5. preparation method of gold-silver alloy nano particle according to claim 1, it is characterised in that：The mixed liquor The molar ratio of middle gold ion and silver ion is 1: 1.5.
- A kind of 6. preparation method of gold-silver alloy nano particle according to claim 1, it is characterised in that：The mixed liquor The molar ratio of middle gold ion and silver ion is 1: 2.5.
- A kind of 7. preparation method of gold-silver alloy nano particle according to claim 1, it is characterised in that：The step (3) in, after fructose aqueous solution first is heated to boiling, boiling 5~15 minutes is kept, is fully hydrolyzed fructose aqueous solution, then added The mixed liquor entered in step (2) is reacted.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906078A (en) * | 2018-07-20 | 2018-11-30 | 上海理工大学 | A kind of efficient Pd/Co3O4The preparation method of monolith catalysts |
| CN114713836A (en) * | 2022-03-02 | 2022-07-08 | 上海电力大学 | Synthetic method of Cu-Ag sheet-shaped nano composite material |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368824A (en) * | 2014-11-14 | 2015-02-25 | 上海理工大学 | Method for manufacturing gold-solver alloy nanometer particles through sugarcane extract |
| CN105478795A (en) * | 2015-12-14 | 2016-04-13 | 上海理工大学 | Method for preparing silver nanoparticles with sugarcane extract |
| CN106001608A (en) * | 2016-07-11 | 2016-10-12 | 上海理工大学 | Method for preparing silver nanoparticles with water-soluble starch |
| CN106623979A (en) * | 2017-02-27 | 2017-05-10 | 上海理工大学 | Preparation method of gold-silver alloy nanoparticles |
| CN106735296A (en) * | 2016-12-13 | 2017-05-31 | 上海理工大学 | A kind of method for preparing gold-silver alloy nano particle |
| CN107282940A (en) * | 2017-06-13 | 2017-10-24 | 上海理工大学 | A kind of method that utilization pseudo-ginseng extract solution prepares gold nano grain |
| CN107498062A (en) * | 2017-07-25 | 2017-12-22 | 上海理工大学 | A kind of preparation method of spherical gold nano grain |
-
2018
- 2018-01-09 CN CN201810020473.6A patent/CN108031862A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368824A (en) * | 2014-11-14 | 2015-02-25 | 上海理工大学 | Method for manufacturing gold-solver alloy nanometer particles through sugarcane extract |
| CN105478795A (en) * | 2015-12-14 | 2016-04-13 | 上海理工大学 | Method for preparing silver nanoparticles with sugarcane extract |
| CN106001608A (en) * | 2016-07-11 | 2016-10-12 | 上海理工大学 | Method for preparing silver nanoparticles with water-soluble starch |
| CN106735296A (en) * | 2016-12-13 | 2017-05-31 | 上海理工大学 | A kind of method for preparing gold-silver alloy nano particle |
| CN106623979A (en) * | 2017-02-27 | 2017-05-10 | 上海理工大学 | Preparation method of gold-silver alloy nanoparticles |
| CN107282940A (en) * | 2017-06-13 | 2017-10-24 | 上海理工大学 | A kind of method that utilization pseudo-ginseng extract solution prepares gold nano grain |
| CN107498062A (en) * | 2017-07-25 | 2017-12-22 | 上海理工大学 | A kind of preparation method of spherical gold nano grain |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906078A (en) * | 2018-07-20 | 2018-11-30 | 上海理工大学 | A kind of efficient Pd/Co3O4The preparation method of monolith catalysts |
| CN108906078B (en) * | 2018-07-20 | 2021-05-11 | 上海理工大学 | High-efficiency Pd/Co3O4Process for preparing block catalyst |
| CN114713836A (en) * | 2022-03-02 | 2022-07-08 | 上海电力大学 | Synthetic method of Cu-Ag sheet-shaped nano composite material |
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