CN107216873A - A kind of preparation method and applications for being used to detect the carbon point of silver ion and dimercaptosuccinic acid - Google Patents
A kind of preparation method and applications for being used to detect the carbon point of silver ion and dimercaptosuccinic acid Download PDFInfo
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- CN107216873A CN107216873A CN201710361800.XA CN201710361800A CN107216873A CN 107216873 A CN107216873 A CN 107216873A CN 201710361800 A CN201710361800 A CN 201710361800A CN 107216873 A CN107216873 A CN 107216873A
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Abstract
The invention is related to a kind of preparation method and application for being used to detect the carbon point of silver ion and dimercaptosuccinic acid, there is provided a kind of non-toxic, stability of solution is good, and being used for high sensitivity detects nitrogen-doped carbon point of silver ion and dimercaptosuccinic acid and preparation method thereof.The carbon point is used to detect that silver ion and dimercaptosuccinic acid have reversible response, and various concentrations silver ion and dimercaptosuccinic acid can be detected by the change of carbon quantum dot fluorescence intensity.Fluorescence silver ion and dimercaptosuccinic acid detection agent of the present invention based on carbon point have excellent chemical stability, biocompatibility and hypotoxicity, while optical property is good, and detection speed is fast, and as a result accuracy and reliability are high, and test limit is low；The detection agent is used to detect reusable when silver ion and dimercaptosuccinic acid；Its preparation method technique is simple, easily operated, prepares cost low, it is easy to promote.
Description
Technical field
The invention belongs to fluorescent nano material and polymeric material field, and in particular to one kind is used to detect silver ion and mercapto
The preparation method and application of the nitrogen-doped carbon point of base succinic acid.
Background technology
Silver is just applied to each neck of daily production and living as a kind of metal with excellent in performance by the mankind very early
Among domain, especially Nano Silver is gone as a kind of nano material in electronics, plating, new energy, food and catalysis material etc. in recent years
Industry has special conduction, sterilization, anti-corrosion, catalysis and optical characteristics, and is widely used.Therefore silver ion is in detection solution
One of important process in field such as scientific research and industry.With the continuous development of scientific technology, to Silver detection speed and detection
The requirement of limit also more and more higher.For example, when whether silver ion content reaches discharge standard in detecting industrial wastewater, it is necessary to quick
It is accurately obtained testing result.
Dimercaptosuccinic acid is the key component of cold-waving agent, is additionally operable to be complexed hidden, Biochemical Research, heavy metal detoxification agent and rubber
Glue industry.Existing sulfhydryl compound detection method mainly has chromatography and electrochemical method etc., and these methods are typically time-consuming longer,
It is costly, therefore fast and accurately dimercaptosuccinic acid is detected also particularly significant.
The content of the invention
The purpose of the invention is that, there is provided a kind of nontoxicity the problem of presence for prior art, stability of solution is good,
And being used for high sensitivity detects nitrogen-doped carbon point of silver ion and dimercaptosuccinic acid and preparation method thereof.The carbon point is used
There is reversible response in detection silver ion and dimercaptosuccinic acid, can be detected not by the change of carbon quantum dot fluorescence intensity
With concentration silver ion and dimercaptosuccinic acid.
To achieve these goals, the technical solution adopted by the present invention is that one kind is used to detect silver ion and sulfydryl fourth two
The carbon point of acid, it is characterised in that its preparation method is：
Using amino acid as carbon source, amino acid and uric acid are dissolved in ultra-pure water, mixed liquor is made；
By step 1) in obtained mixed liquor be placed in micro-wave oven and heat, react；
After step 2) in reaction terminate after, reactant is naturally cooled into room temperature, dissolved with ultra-pure water, is sequentially passed through afterwards
Centrifuge, take supernatant, supernatant is dialysed after be freeze-dried, obtain composite shell carbon point.
Described amino acid is leucine or histidine.
Described amino acid and the ratio of uric acid are：Mol ratio, amino acid: uric acid=1: 3-5.
Described micro-wave oven heating power is 600-750W, and the heat time is 1-10min.
The molecular cut off of described dialysis bag filter is 1~14kDa.
A kind of application for being used to detect the carbon point of silver ion and dimercaptosuccinic acid：The carbon point is used as silver ion and sulfydryl fourth
The detection reagent of diacid, is applied in chemistry, biotechnology and biochemistry.
Prepare liquid is added into the solution containing detection silver ion and the carbon point of dimercaptosuccinic acid, the fluorescence for monitoring solution is strong
Degree.
It can cause it when adding silver ion solution into the solution containing detection silver ion and the carbon point of dimercaptosuccinic acid
Fluorescent emission reduced capability is until quenching；Dimercaptosuccinic acid solution is added into the carbon dots solution of fluorescent quenching can cause its fluorescence
Emissivities are gradually recovered.
Solvent in the solution of the described carbon point containing detection silver ion and dimercaptosuccinic acid is the aqueous solution, ethanol is molten
Liquid, chloroformic solution or cell solution.
Application according to claim 7, it is characterised in that：It is described containing detection silver ion and dimercaptosuccinic acid
In the solution of carbon point, composite shell carbon point concentration is 0.1-100mg/ml.
What the invention was brought has the beneficial effect that：
Fluorescence silver ion and dimercaptosuccinic acid detection agent of the present invention based on carbon point have excellent chemical stability, biological
Compatibility and hypotoxicity, while optical property is good, and detection speed is fast, and as a result accuracy and reliability are high, and test limit is low；
The detection agent is used to detect reusable when silver ion and dimercaptosuccinic acid；Its preparation method technique is simple, easily operated, system
Standby cost is low, it is easy to promote.
Brief description of the drawings
Fig. 1：Detection silver ion and the scanning electron microscope (SEM) photograph of the leucine carbon point of dimercaptosuccinic acid prepared by embodiment 1.
Fig. 2：The transmission grain-size graph of leucine carbon point prepared by embodiment 1.
Fig. 3：Embodiment 1 is used for the UV absorption spectrogram for detecting the leucine carbon point of silver ion and dimercaptosuccinic acid.
Fig. 4：Fluorogram of the leucine carbon point of embodiment 1 under different excitation wavelengths.
Fig. 5：The leucine carbon point of embodiment 1 is to different metal ions solution fluorescence response figure.
Fig. 6：The leucine carbon point of embodiment 1 is in 350nm excitation wavelengths to various concentrations silver ion solution fluorescence response
Figure.
Fig. 7：The leucine carbon point of embodiment 1 is in 350nm excitation wavelengths to various concentrations silver ion solution fluorescence response line
Property fitted figure.
Fig. 8：The leucine carbon point of embodiment 1 is after 350nm excitation wavelength fluorescent quenchings to various concentrations dimercaptosuccinic acid
Solution fluorescence response figure.
Fig. 9：The leucine carbon point of embodiment 1 is after 350nm excitation wavelength fluorescent quenchings to various concentrations dimercaptosuccinic acid
Solution fluorescence responds Linear Fit Chart.
Embodiment
It is a kind of to be used to detect the carbon point of silver ion and dimercaptosuccinic acid, it is characterised in that its preparation method is：
Using amino acid as carbon source, amino acid and uric acid are dissolved in ultra-pure water, mixed liquor is made；
By step 1) in obtained mixed liquor be placed in micro-wave oven and heat, react；
After step 2) in reaction terminate after, reactant is naturally cooled into room temperature, dissolved with ultra-pure water, is sequentially passed through afterwards
Centrifuge, take supernatant, supernatant is dialysed after be freeze-dried, obtain composite shell carbon point.
Described amino acid is leucine or histidine.
Described amino acid and the ratio of uric acid are：Mol ratio, amino acid: uric acid=1: 3-5.
Described micro-wave oven heating power is 600-750W, and the heat time is 1-10min.
The molecular cut off of described dialysis bag filter is 1~14kDa.
A kind of application for being used to detect the carbon point of silver ion and dimercaptosuccinic acid：The carbon point is used as silver ion and sulfydryl fourth
The detection reagent of diacid, is applied in chemistry, biotechnology and biochemistry.
Prepare liquid is added into the solution containing detection silver ion and the carbon point of dimercaptosuccinic acid, the fluorescence for monitoring solution is strong
Degree.
It can cause it when adding silver ion solution into the solution containing detection silver ion and the carbon point of dimercaptosuccinic acid
Fluorescent emission reduced capability is until quenching；Dimercaptosuccinic acid solution is added into the carbon dots solution of fluorescent quenching can cause its fluorescence
Emissivities are gradually recovered.
Solvent in the solution of the described carbon point containing detection silver ion and dimercaptosuccinic acid is the aqueous solution, ethanol is molten
Liquid, chloroformic solution or cell solution.
In the solution of the described carbon point containing detection silver ion and dimercaptosuccinic acid, composite shell carbon point concentration is 0.1-
100mg/ml。
Embodiment 1：
The present invention is further described below by way of non-limiting example.
(1), the preparation of the leucine carbon point of detection silver ion and dimercaptosuccinic acid：
0.3g leucines are weighed, 1g urea is dissolved in 9mL ultra-pure waters, after being completely dissolved, in 700W in household microwave oven
It is lower to heat 4 points 30 seconds, after sample is cooled to room temperature, dissolved with 12mL ultra-pure waters.Centrifuged 10 minutes under 12000 revs/min,
Take supernatant.Dialysed 48 hours using molecular cut off as 14kDa bag filter, solution is taken out, be freeze-dried, obtain detection silver
The leucine carbon point of ion and dimercaptosuccinic acid, in preservation at 4 DEG C.
By the detection silver ion and the leucine carbon point of dimercaptosuccinic acid of preparation, electron-microscope scanning is carried out, as a result such as Fig. 1 institutes
Show；By preparation detection silver ion and dimercaptosuccinic acid leucine carbon point, carry out transmission granularmetric analysis, as a result as shown in Fig. 2
From Fig. 1 and Fig. 2, the composite shell alanine carbon point average grain diameter of preparation is 10nm, and is evenly distributed, into equally distributed
Spheric granules.
(2), detected for leucine carbon point uv-visible absorption spectroscopy：
By the detection silver ion and the leucine carbon point of dimercaptosuccinic acid of preparation, uv-visible absorption spectroscopy inspection is carried out
Survey, as a result as shown in figure 3, it can be seen from figure 3 that 225nm or so and 265nm or so two absworption peaks are π-π * transition and n- respectively
π * transition, can prove the formation of carbon point structure.
(3), detected for leucine carbon point fluorescence maximum excitation wavelength：
Leucine carbon point sample ultra-pure water wiring solution-forming prepared by embodiment 1 is chosen, 320- is used in XRF
390nm excitation wavelength fluorometric investigation fluorescence spectras, as a result as shown in figure 4, as seen from Figure 4, the composite shell alanine of preparation
Carbon point fluorescence intensity under 320-390nm excitation wavelengths first strengthens to be reduced afterwards, a length of 350nm of optimum excitation wave, from Fig. 4 and Tu Nei
Small figure is visible Red Shift Phenomena.
(4), for leucine carbon point to different metal ions solution fluorescence response：
Choose embodiment 1 prepare leucine carbon point sample ultra-pure water wiring solution-forming, in ultraviolet-visual spectrometer
Solution absorbance A=0.1 is prepared with ultra-pure water under light source 350nm wavelength, absorbance is divided into for 0.1 leucine carbon dots solution
11 groups, every group of 10mL, be separately added into 0.02 μ L ultra-pure water and concentration for 50mmol/L Al3+ solution, Ba2+ solution,
Cd2+ solution, Cr3+ solution, Mn2+ solution, Pb2+ solution, Hg2+ solution, Ni+ solution, Co2+ solution, Ag+ solution, test solution
Middle concentration of metal ions is 100 μm of ol/L, and observation each group solution can be seen in the change in fluorescence of light source 350nm wavelength by Fig. 5
Go out, only to silver ion response preferably, leucine carbon point prepared by this explanation has very well the leucine carbon point of preparation to silver ion
Selectivity.
(5), for leucine carbon point to various concentrations silver ion solution fluorescence response：
Choose embodiment 1 prepare leucine carbon point sample ultra-pure water wiring solution-forming, in ultraviolet-visual spectrometer
Solution absorbance A=0.1 is prepared with ultra-pure water under light source 350nm wavelength, absorbance is divided into for 0.1 leucine carbon dots solution
12 groups, every group of 10mL is separately added into different amounts of concentration and is 50mmol/L silver ion solution, and make concentration of silver ions in solution
By 0 μm of ol/L to 200 μm of ol/L, change in fluorescence of each group solution in light source 350nm wavelength is observed, as seen from Figure 6,
As the fluorescence intensity of the increase leucine carbon point of concentration of silver ions gradually decreases up to quenching, leucine carbon prepared by this explanation
Point has good detectability to silver ion.
(6), for leucine carbon point to various concentrations silver ion solution fluorescence response linear fit：
The leucine carbon point for choosing the preparation of embodiment 1 carries out linear fit, knot to various concentrations silver ion fluorescence response
Fruit is as shown in fig. 7, as seen from Figure 7, leucine carbon point adds 0 μm of ol/L to 200 μm of ol/L silver ion solutions fluorescence gradually
Weaken, leucine carbon point is that 30 μm of ol/L to 110 μm of ol/L silver ion solutions linear fits are preferable to concentration, can extrapolate system
Standby leucine carbon point is limited to 10 μm of ol/L or so to silver ion detection.Leucine carbon point detection silver ion prepared by this explanation has
Good sensitivity.
(7), the leucine carbon point of fluorescent weakening is to various concentrations dimercaptosuccinic acid solution fluorescence recovery situation：
Selection addition concentration of silver ions is made into molten for 200mmol/L fluorescent weakening leucine carbon point sample with ultra-pure water
Liquid, is divided into 12 groups, every group of 10mL is separately added into the dimercaptosuccinic acid solution that different amounts of concentration is 50mmol/L by solution, and
Dimercaptosuccinic acid concentration in solution is set by 0 μm of ol/L to 170 μm of ol/L, to observe each group solution in light source 350nm wavelength
Change in fluorescence, as a result as shown in figure 8, as seen from Figure 8, the fluorescence of leucine carbon point is increased with dimercaptosuccinic acid concentration
Intensity gradually strengthens until replying former carbon point fluorescence intensity, and leucine carbon point prepared by this explanation has well to dimercaptosuccinic acid
Detectability.
(8), the leucine carbon point of fluorescent weakening responds linear fit to various concentrations dimercaptosuccinic acid solution fluorescence：
Choose and add fluorescent weakening leucine carbon point of the concentration of silver ions for 200 μm of ol/L to various concentrations dimercaptosuccinic acid
Fluorescence response carries out linear fit, as a result as shown in figure 9, as seen from Figure 9, the leucine carbon point of fluorescent weakening adds 20
μm ol/L to 210 μm of ol/L dimercaptosuccinic acids solution fluorescence gradually recovers, and leucine carbon point is 70 μm of ol/L to 190 μ to concentration
The fitting of mol/L dimercaptosuccinic acids linear is preferable, and the leucine carbon point that can extrapolate preparation is limited to 20 μ to silver ion detection
Mol/L or so.Leucine carbon point detection dimercaptosuccinic acid prepared by this explanation has good sensitivity.
Claims (10)
1. a kind of be used to detect the carbon point of silver ion and dimercaptosuccinic acid, it is characterised in that its preparation method is：
1) using amino acid as carbon source, amino acid and uric acid are dissolved in ultra-pure water, mixed liquor is made；
2) by step 1) in obtained mixed liquor be placed in micro-wave oven and heat, react；
3) after step 2) reaction terminate after, reactant is naturally cooled into room temperature, dissolved with ultra-pure water, sequentially pass through afterwards from
The heart, take supernatant, supernatant is dialysed after be freeze-dried, obtain composite shell carbon point.
2. a kind of carbon point for being used to detect silver ion and dimercaptosuccinic acid according to claim 1, it is characterised in that：It is described
Amino acid be leucine or histidine.
3. a kind of carbon point for being used to detect silver ion and dimercaptosuccinic acid according to claim 1, it is characterised in that：Step
1) mol ratio of amino acid and uric acid is：Amino acid: uric acid=1: 3-5.
4. a kind of carbon point for being used to detect silver ion and dimercaptosuccinic acid according to claim 1, it is characterised in that：Step
2) micro-wave oven heating power is 600-750W in, and the heat time is 1-10min.
5. a kind of carbon point for being used to detect silver ion and dimercaptosuccinic acid according to claim 1, it is characterised in that：Step
3) molecular cut off of dialysis bag filter is 1~14kDa in.
6. it is used for the application for detecting the carbon point of silver ion and dimercaptosuccinic acid described in a kind of claim 1：Characterized in that, described
Carbon point is applied in chemistry, biotechnology and biochemistry as the detection reagent of silver ion and dimercaptosuccinic acid.
7. application according to claim 6, it is characterised in that：To the carbon point containing detection silver ion and dimercaptosuccinic acid
Prepare liquid is added in solution, the fluorescence intensity of solution is monitored.
8. application according to claim 7, it is characterised in that：When to contain detection silver ion and dimercaptosuccinic acid carbon point
Solution in add silver ion solution can cause its fluorescent emission reduced capability until quenching；To the carbon dots solution of fluorescent quenching
Middle addition dimercaptosuccinic acid solution can cause its fluorescent emission ability gradually to be recovered.
9. application according to claim 7, it is characterised in that：The described carbon containing detection silver ion and dimercaptosuccinic acid
Solvent in the solution of point is the aqueous solution, ethanol solution, chloroformic solution or cell solution.
10. application according to claim 7, it is characterised in that：It is described containing detection silver ion and dimercaptosuccinic acid
In the solution of carbon point, carbon point concentration is 0.1-100mg/ml.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499153A (en) * | 2019-07-15 | 2019-11-26 | 郑州大学 | A kind of carbon dots of mitochondria positioning, preparation method and its application in Silver detection |
| CN110976910A (en) * | 2020-01-14 | 2020-04-10 | 中原工学院 | Size-adjustable nano silver and synthetic method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849722A (en) * | 2012-08-29 | 2013-01-02 | 中国科学院长春光学精密机械与物理研究所 | Carbon nano-dot, and preparation method and application thereof |
-
2017
- 2017-05-19 CN CN201710361800.XA patent/CN107216873A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849722A (en) * | 2012-08-29 | 2013-01-02 | 中国科学院长春光学精密机械与物理研究所 | Carbon nano-dot, and preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 周婷婷: "微波法合成荧光碳量子点在环境离子检测中的应用研究", 《中国优秀硕士论文全文数据库》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110499153A (en) * | 2019-07-15 | 2019-11-26 | 郑州大学 | A kind of carbon dots of mitochondria positioning, preparation method and its application in Silver detection |
| CN110976910A (en) * | 2020-01-14 | 2020-04-10 | 中原工学院 | Size-adjustable nano silver and synthetic method and application thereof |
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