CN103146382A - Preparation method of peach gum based fluorescent carbon nanoparticles - Google Patents
Preparation method of peach gum based fluorescent carbon nanoparticles Download PDFInfo
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- CN103146382A CN103146382A CN2013100779016A CN201310077901A CN103146382A CN 103146382 A CN103146382 A CN 103146382A CN 2013100779016 A CN2013100779016 A CN 2013100779016A CN 201310077901 A CN201310077901 A CN 201310077901A CN 103146382 A CN103146382 A CN 103146382A
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Abstract
The invention discloses a preparation method of peach gum based fluorescent carbon nanoparticles. The preparation method disclosed by the invention comprises the following steps: washing original peach gum, removing impurities and subsequently hydrolyzing to acquire hydrolyzed peach gum; adding the hydrolyzed peach gum into deionized water and fully dissolving the hydrolyzed peach gum to acquire a hydrolyzed peach gum solution; transferring the hydrolyzed peach gum solution to a hydrothermal reaction kettle, filling argon for 5 minutes, carrying out hydrothermal reaction for 6-48 hours at the temperature of 140-220 DEG C, cooling to room temperature after the reaction is finished, and acquiring the peach gum based fluorescent carbon nanoparticles. The preparation method disclosed by the invention has the advantages of being simple in preparation process, easy to obtain raw materials, low in synthesis cost and suitable for large scale preparation; the prepared peach gum based fluorescent carbon nanoparticles has the characteristics of high fluorescence strength, strong light stability and good dissolubility, and has good application prospect in fluorescence labeling, biological detection, luminescent devices and the like.
Description
Technical field
The invention belongs to functional natural macromolecular material field, particularly a kind of preparation method of peach gum base fluorescent carbon nano particle.
Background technology
Toxicity is low owing to having for the fluorescent carbon nano particle, good biocompatibility, light stability are strong etc., and characteristics are paid close attention to widely; The fluorescent carbon nano particle has good application prospect at aspects such as cell imaging, biomarker, sensor and solar cells; Current, the existing more report of the preparation of relevant fluorescent carbon nano particle, but these methods of having reported mostly lay particular emphasis on and use synthetic polymer to be raw material, and exist preparation process complicated, synthesize the high in cost of production shortcoming; Adopt natural macromolecular material to be that raw material prepares the report of fluorescent carbon nano particle less; Peach gum is a kind of gluey vitrina that the rosaceous plant trunk is secreted out, and its main component is polysaccharide; China has abundant peach gum resource, and the peach gum raw material cheaply is easy to get, and still about the research of peach gum, also is at present the starting stage; In addition, the research that utilizes peach gum to prepare the fluorescent carbon nano particle has not yet to see report.
Summary of the invention
The purpose of this invention is to provide a kind of preparation method of peach gum base fluorescent carbon nano particle, prepare peach gum base functional materials, enlarge the Application Areas of peach gum.
Concrete steps are:
(1) former peach gum is cleaned, after removal impurity, hydrolysis makes the hydrolysis peach gum.
(2) the hydrolysis peach gum that step (1) is made joins in deionized water, and it is fully dissolved, and making concentration is the hydrolysis peach gum solution of 0.5 ~ 10 mg/ml.
(3) the hydrolysis peach gum solution that step (2) is made is transferred in hydrothermal reaction kettle, passes into argon gas 5 minutes, and 140 ~ 220 ℃ of lower hydro-thermal reactions 6 ~ 48 hours, then cool to room temperature, namely made peach gum base fluorescent carbon nano particle.
Described former peach gum is that the rosaceous plant trunk is secreted and the air-dry solid matter that forms on trunk.
The prepared peach gum base fluorescent carbon nano particle of the present invention has been tested its optical property with ultraviolet-visible photothermal spectroscopic analyzer and fluorescence spectrophotometer, result show its have excellent water-soluble, luminous intensity is high and the characteristics such as good light stability; Tested its size with transmission electron microscope, found that its particle diameter is 6 ~ 10 nanometers; With infrared spectrometer, its surface group is tested, found that its surface contains hydroxyl and carbonyl functional group; In addition, preparation process of the present invention is very simple, and raw material is easy to get, suitable a large amount of preparations.This peach gum base fluorescent carbon nano particle has good application prospect at aspects such as fluorescent mark, biological detection and luminescent devices.
Description of drawings
Fig. 1 is the uv-visible absorption spectroscopy figure of the peach gum base fluorescent carbon nano particle of the embodiment of the present invention 1 preparation.
Fig. 2 is the fluorescence spectrum figure (excitation wavelength is 340 nanometers) of the peach gum base fluorescent carbon nano particle of the embodiment of the present invention 1 preparation.
Fig. 3 is the fluorescence photo of the aqueous solution under ultraviolet lamp of the peach gum base fluorescent carbon nano particle of the embodiment of the present invention 1 preparation.
Fig. 4 is the transmission electron microscope figure of the peach gum base fluorescent carbon nano particle of the embodiment of the present invention 1 preparation.
Fig. 5 is the infrared spectrogram of the peach gum base fluorescent carbon nano particle of the embodiment of the present invention 1 preparation.
Embodiment
Embodiment 1:
(1) former peach gum is cleaned, after removal impurity, hydrolysis makes the hydrolysis peach gum.
(2) the hydrolysis peach gum that 150 milligrams of steps (1) is made joins in 30 ml deionized water, and it is fully dissolved, and obtaining concentration is the hydrolysis peach gum solution of 5 mg/ml.
(3) the hydrolysis peach gum solution that step (2) is made is transferred in the hydrothermal reaction kettle of 100 milliliters, passed into argon gas 5 minutes, 180 ℃ of lower hydro-thermal reactions 24 hours, cool to room temperature then, namely making particle diameter is the peach gum base fluorescent carbon nano particle of 6 ~ 10 nanometers.
Embodiment 2:
(1) former peach gum is cleaned, after removal impurity, hydrolysis makes the hydrolysis peach gum.
(2) the hydrolysis peach gum that 100 milligrams of steps (1) is made joins in 10 ml deionized water, and it is fully dissolved, and obtaining concentration is the hydrolysis peach gum solution of 10 mg/ml.
(3) the hydrolysis peach gum solution that step (2) is made is transferred in the hydrothermal reaction kettle of 100 milliliters, passed into argon gas 5 minutes, 200 ℃ of lower hydro-thermal reactions 12 hours, cool to room temperature then, namely making particle diameter is the peach gum base fluorescent carbon nano particle of 6 ~ 10 nanometers.
Embodiment 3:
(1) former peach gum is cleaned, after removal impurity, hydrolysis makes the hydrolysis peach gum.
(2) the hydrolysis peach gum that 20 milligrams of steps (1) is made joins in 40 ml deionized water, and it is fully dissolved, and obtaining concentration is the hydrolysis peach gum solution of 0.5 mg/ml;
(3) the hydrolysis peach gum solution that step (2) is made is transferred in the hydrothermal reaction kettle of 100 milliliters, passed into argon gas 5 minutes, 220 ℃ of lower hydro-thermal reactions 6 hours, cool to room temperature then, namely making particle diameter is the peach gum base fluorescent carbon nano particle of 6 ~ 10 nanometers.
Embodiment 4:
(1) former peach gum is cleaned, after removal impurity, hydrolysis makes the hydrolysis peach gum.
(2) the hydrolysis peach gum that 100 milligrams of steps (1) is made joins in 50 ml deionized water, and it is fully dissolved, and obtaining concentration is the hydrolysis peach gum solution of 2 mg/ml.
(3) the hydrolysis peach gum solution that step (2) is made is transferred in the hydrothermal reaction kettle of 100 milliliters, passed into argon gas 5 minutes, 140 ℃ of lower hydro-thermal reactions 48 hours, cool to room temperature then, namely making particle diameter is the peach gum base fluorescent carbon nano particle of 6 ~ 10 nanometers.
Embodiment 5:
(1) former peach gum is cleaned, after removal impurity, hydrolysis makes the hydrolysis peach gum.
(2) the hydrolysis peach gum that 320 milligrams of steps (1) is made joins in 40 ml deionized water, and it is fully dissolved, and obtaining concentration is the hydrolysis peach gum solution of 8 mg/ml.
(3) the hydrolysis peach gum solution that step (2) is made is transferred in the hydrothermal reaction kettle of 100 milliliters, passed into argon gas 5 minutes, 160 ℃ of lower hydro-thermal reactions 36 hours, cool to room temperature then, namely making particle diameter is the peach gum base fluorescent carbon nano particle of 6 ~ 10 nanometers.
Embodiment 6:
(1) former peach gum is cleaned, after removal impurity, hydrolysis makes the hydrolysis peach gum.
(2) the hydrolysis peach gum that 180 milligrams of steps (1) is made joins in 30 ml deionized water, and it is fully dissolved, and obtaining concentration is the hydrolysis peach gum solution of 6 mg/ml.
(3) the hydrolysis peach gum solution that step (2) is made is transferred in the hydrothermal reaction kettle of 100 milliliters, passed into argon gas 5 minutes, 180 ℃ of lower hydro-thermal reactions 20 hours, cool to room temperature then, namely making particle diameter is the peach gum base fluorescent carbon nano particle of 6 ~ 10 nanometers.
Claims (1)
1. the preparation method of a peach gum base fluorescent carbon nano particle is characterized in that concrete steps are:
(1) former peach gum is cleaned, after removal impurity, hydrolysis makes the hydrolysis peach gum;
(2) the hydrolysis peach gum that step (1) is made joins in deionized water, and it is fully dissolved, and making concentration is the hydrolysis peach gum solution of 0.5 ~ 10 mg/ml;
(3) the hydrolysis peach gum solution that step (2) is made is transferred in hydrothermal reaction kettle, passed into argon gas 5 minutes, 140 ~ 220 ℃ of lower hydro-thermal reactions 6 ~ 48 hours, cool to room temperature then, namely making particle diameter is the peach gum base fluorescent carbon nano particle of 6 ~ 10 nanometers;
Described former peach gum is that the rosaceous plant trunk is secreted and the air-dry solid matter that forms on trunk.
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| CN201310077901.6A CN103146382B (en) | 2013-03-11 | 2013-03-11 | Preparation method of peach gum based fluorescent carbon nanoparticles |
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| CN201310077901.6A CN103146382B (en) | 2013-03-11 | 2013-03-11 | Preparation method of peach gum based fluorescent carbon nanoparticles |
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| CN103146382B CN103146382B (en) | 2014-09-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105505387A (en) * | 2014-09-26 | 2016-04-20 | 西南大学 | Fluorescence carbon nanometer quantum dot based on natural pectin and preparation method thereof |
| CN106281319A (en) * | 2016-07-25 | 2017-01-04 | 桂林理工大学 | The preparation method of fluorescent carbon nano-particle based on stratiform transition metal carbide |
| CN106925217A (en) * | 2017-04-08 | 2017-07-07 | 桂林理工大学 | A kind of preparation method of the magnetic porous carbon of peach gum base |
| CN114410617A (en) * | 2022-02-09 | 2022-04-29 | 安徽工程大学 | Immobilization method for improving hydrogen production bacteria biological hydrogen synthesis and application |
-
2013
- 2013-03-11 CN CN201310077901.6A patent/CN103146382B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 张阳德等: "壳聚糖-碳纳米粒的制备及其体外性质的研究", 《中国现代医学杂志》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105505387A (en) * | 2014-09-26 | 2016-04-20 | 西南大学 | Fluorescence carbon nanometer quantum dot based on natural pectin and preparation method thereof |
| CN105505387B (en) * | 2014-09-26 | 2018-04-10 | 西南大学 | Fluorescent carbon nano-quantum point based on natural pectin and preparation method thereof |
| CN106281319A (en) * | 2016-07-25 | 2017-01-04 | 桂林理工大学 | The preparation method of fluorescent carbon nano-particle based on stratiform transition metal carbide |
| CN106281319B (en) * | 2016-07-25 | 2018-01-12 | 桂林理工大学 | The preparation method of fluorescence carbon nano-particle based on stratiform transition metal carbide |
| CN106925217A (en) * | 2017-04-08 | 2017-07-07 | 桂林理工大学 | A kind of preparation method of the magnetic porous carbon of peach gum base |
| CN114410617A (en) * | 2022-02-09 | 2022-04-29 | 安徽工程大学 | Immobilization method for improving hydrogen production bacteria biological hydrogen synthesis and application |
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| CN103146382B (en) | 2014-09-24 |
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