CN115197439B - Plant interface super-assembled SAFs fluorescent material and preparation method thereof - Google Patents
Plant interface super-assembled SAFs fluorescent material and preparation method thereof Download PDFInfo
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- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G18/00—Cultivation of mushrooms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G18/00—Cultivation of mushrooms
- A01G18/40—Cultivation of spawn
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/35—Bulbs; Alliums, e.g. onions or leeks
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
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- C09K2211/182—Metal complexes of the rare earth metals, i.e. Sc, Y or lanthanide
Abstract
The invention provides a plant interface super-assembled SAFs fluorescent material and a preparation method thereof. Firstly, placing living plants in simulated sunlight, and incubating in a disodium terephthalate solution to obtain incubated living plants; and transferring the living plants after incubation to an aqueous solution of lanthanide metals for continuous incubation to obtain the plant interface super-assembled SAFs fluorescent material, wherein the living plants are brassica plants, shallots or mushrooms of the cruciferae. Repeatedly rubbing the material in deionized water by hands, and then measuring under a fluorescence spectrophotometer, wherein the fluorescence quantity of the material is unchanged, which shows that the plant interface super-assembled SAFs fluorescent material prepared by the preparation method has strong fluorescence stability and long service life and can be recycled. In addition, the preparation method has the advantages of simple and efficient process, wide raw material sources, environmental friendliness and strong sustainability, and can realize large-scale production.
Description
Technical Field
The invention belongs to the technical field of biological materials, and particularly relates to a plant interface super-assembled SAFs fluorescent material and a preparation method thereof.
Background
Metal-organic framework Materials (MOFs) are coordination polymers which have been rapidly developed in the last two decades, have a three-dimensional pore structure, generally take metal ions as connection points, and organic ligand supports to form a 3D extension of space, are another important novel porous material besides zeolite and carbon nanotubes, and have wide application in catalysis, energy storage and separation. MOFs have become an important research direction for a number of chemical branches, such as inorganic chemistry and organic chemistry.
The lanthanide metal organic frameworks (Ln-MOFs) material has excellent luminescence performance, has the advantages of long service life, high color purity, strong sharp emission and the like in near infrared and visible light regions, can eliminate the background luminescence of biological matrixes, and is suitable for quantitative analysis of biological samples. However, the existing preparation method of lanthanide metal organic frameworks (Ln-MOFs) fluorescent materials has the defects of complex process, difficult and expensive raw material acquisition, unfriendly environment and the like, and the MOFs-based fluorescent sensing has the defects of unstable MOF suspension, reduced fluorescence amount, difficult material recycling and the like.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a plant interface super-assembled SAFs fluorescent material and a preparation method thereof.
The specific technical scheme of the invention is as follows:
the invention provides a preparation method of a plant interface super-assembled SAFs fluorescent material, which is characterized by comprising the following steps: step S1, placing fresh living plants under simulated sunlight, and incubating in a disodium terephthalate solution to obtain incubated living plants; and S2, transferring the incubated living plant into an aqueous solution of lanthanide metal for further incubation, thus obtaining the plant interface super-assembled SAFs fluorescent material, wherein the living plant is brassica plant, shallot or mushroom of the cruciferae.
The preparation method of the plant interface super-assembled SAFs fluorescent material provided by the invention also has the technical characteristics that the lanthanide metal is europium chloride hexahydrate or terbium chloride hexahydrate.
The preparation method of the plant interface super-assembled SAFs fluorescent material provided by the invention also has the technical characteristics that in the step S1, simulated sunlight is generated by a high-power sunlight simulator, the concentration of the disodium terephthalate solution is 1-300 mmol/L, the dosage is 1-300 mL, and the incubation time in the disodium terephthalate solution is 2-96 h.
The preparation method of the plant interface super-assembled SAFs fluorescent material provided by the invention also has the technical characteristics that the power of the high-power sunlight simulator is 100-3000W.
The preparation method of the plant interface super-assembled SAFs fluorescent material provided by the invention also has the technical characteristics that the concentration of the aqueous solution of the lanthanide series metal in the step S2 is 1-300 mmol/L, the dosage is 1-300 mL, and the continuous incubation time in the aqueous solution of the lanthanide series metal is 2-96 h.
The invention also provides a plant interface super-assembled SAFs fluorescent material, which is characterized by being prepared by adopting the preparation method of the plant interface super-assembled SAFs fluorescent material, wherein the plant interface super-assembled SAFs fluorescent material has the characteristic of not reducing the fluorescence quantity by repeated rubbing.
Effects and effects of the invention
Firstly, placing living plants under simulated sunlight, and incubating in a disodium terephthalate solution to obtain incubated living plants; and transferring the living plants after incubation to an aqueous solution of lanthanide metals for continuous incubation to obtain the plant interface super-assembled SAFs fluorescent material, wherein the living plants are brassica plants, shallots or mushrooms of the cruciferae. Repeatedly rubbing the material in deionized water by hands, and then placing the material under a fluorescence spectrophotometer for measurement, wherein the fluorescence amount of the material is unchanged.
Therefore, compared with the prior art, the plant interface super-assembled SAFs fluorescent material provided by the invention has the advantages of strong fluorescence stability, long service life and recycling. In addition, the preparation method has the advantages of simple and efficient process, wide raw material sources, environmental friendliness and strong sustainability, and can realize large-scale production.
Drawings
FIG. 1 is an optical photograph of example 1 when SAFs fluorescent materials are super-assembled at the interface of living cabbage.
Fig. 2 is an SEM image of blank cabbage.
Fig. 3 is an SEM magnified view of blank cabbage.
FIG. 4 is an SEM image of the surface super assembled SAFs fluorescent material of the living cabbage prepared in example 1.
FIG. 5 is an SEM magnified view of the interface super-assembled SAFs fluorescent material of the living cabbage prepared in example 1.
FIG. 6 is a fluorescence optical diagram of the living cabbage interface super-assembled SAFs fluorescent material prepared in example 1.
FIG. 7 is an optical photograph of example 2 when SAFs fluorescent materials are super-assembled using a living rape interface.
FIG. 8 is an SEM image of the living rape interface super-assembled SAFs fluorescent material prepared in example 2.
FIG. 9 is an optical photograph of example 3 when SAFs fluorescent materials were super-assembled using living onion interfaces.
FIG. 10 is a 245nm fluorescence image of the living onion interface super-assembled SAFs fluorescent material prepared in example 3 after 1 time of rubbing.
FIG. 11 is a 245nm fluorescence image of the living onion interface super-assembled SAFs fluorescent material prepared in example 3 after 5 times of rubbing.
FIG. 12 is a 245nm fluorescence image of the living onion interface super-assembled SAFs fluorescent material prepared in example 3 after 10 times of rubbing.
FIG. 13 is a 245nm fluorescence image of the living onion interface super-assembled SAFs fluorescent material prepared in example 3 after 20 times of rubbing.
FIG. 14 is a graph showing the amount of fluorescence lost after kneading of the living onion interface super-assembled SAFs fluorescent material obtained in example 3.
FIG. 15 is an optical photograph of the case of the interface super-assembled SAFs fluorescent material using the living Lentinus edodes in example 4.
FIG. 16 is a 245nm fluorescent image of the living Lentinus edodes interface super-assembled SAFs fluorescent material prepared in example 4 after 10 times of rubbing.
Detailed Description
The terms used in the present invention generally have meanings commonly understood by those of ordinary skill in the art unless otherwise indicated.
In the following examples, various processes and methods, which are not described in detail, are conventional methods well known in the art.
The reagents used in the examples below are commercially available in general, and the experimental procedures and conditions not noted are referred to in the art as conventional procedures and conditions.
The living cabbage, rape, shallot and lentinus edodes used in the following examples were purchased in the strong bergamot market in Jinan. Experimental drugs were purchased from Aladin, disodium terephthalate CAS number 10028-70-3, molecular formula: c (C) 8 H 4 Na 2 O 4 Molecular weight: 210.1; europium chloride hexahydrate CAS No.: 13759-92-7, molecular formula: euCl 3 ·6H 2 O, molecular weight: 366.41; terbium chloride hexahydrate CAS number: 13798-24-8, molecular formula: tbCl 3 ·6H 2 O, molecular weight: 373.38.WINSURE brand high power sunlight simulator. Siemens FS5 fluorescence spectrophotometer.
Specific embodiments of the present invention will be described below with reference to examples and drawings.
Example 1 ]
The embodiment provides a preparation method of a living cabbage interface super-assembled SAFs fluorescent material, which comprises the following steps:
step S1, placing fresh living plants in simulated sunlight, and incubating in a disodium terephthalate solution to obtain incubated living plants, wherein the specific process is as follows:
adding 840mg of disodium terephthalate into 20mL of deionized water, stirring for 30min, then placing the living Chinese cabbage in the normal position, and incubating for 48h under the irradiation of a high-power sunlight simulator (with the power of 300W) to obtain the incubated living Chinese cabbage;
step S2, transferring the living plants after incubation into aqueous solution of lanthanide series metals for further incubation, thus obtaining the plant interface super-assembled SAFs fluorescent material, which comprises the following specific processes:
1476mg of europium chloride hexahydrate is added into 20mL of deionized water, stirring is carried out for 30min, then the incubated living Chinese cabbage washed by the deionized water is immersed in the water, the living Chinese cabbage is continuously incubated for 48h under the irradiation of a high-power sunlight simulator (the power is 300W), and finally the living Chinese cabbage interface super-assembled SAFs fluorescent material is obtained after washing by the deionized water.
FIG. 1 is an optical photograph of example 1 when SAFs fluorescent materials are super-assembled at the interface of living cabbage.
SEM test characterization is carried out on the living cabbage interface super-assembled SAFs fluorescent material prepared in the embodiment. And (3) washing fresh living cabbages with deionized water to obtain blank cabbages, and carrying out SEM test characterization on the blank cabbages. The results were as follows:
fig. 2 is an SEM image of blank cabbage. Fig. 3 is an SEM magnified view of blank cabbage. FIG. 4 is an SEM image of the surface super assembled SAFs fluorescent material of the living cabbage prepared in example 1. FIG. 5 is an SEM magnified view of the interface super-assembled SAFs fluorescent material of the living cabbage prepared in example 1. FIG. 6 is a fluorescence optical diagram of the living cabbage interface super-assembled SAFs fluorescent material prepared in example 1.
Comparing FIGS. 2, 3, 4 and 5, it can be seen that the blank Chinese cabbage has no particulate matter in vivo, and SAFs are synthesized in vivo by performing interface super-assembly. As can be seen from FIG. 6, the living cabbage interface super-assembled SAFs fluorescent material prepared in this example has fluorescence luminescence property.
Example 2 ]
The embodiment provides a preparation method of a living rape interface super-assembled SAFs fluorescent material, which comprises the following steps:
step S1, placing fresh living plants in simulated sunlight, and incubating in a disodium terephthalate solution to obtain incubated living plants, wherein the specific process is as follows:
transferring 840mg of disodium terephthalate, adding into 20mL of deionized water, stirring for 30min, then placing the living rape in the normal position, and incubating for 48h under the irradiation of a high-power sunlight simulator (with the power of 300W) to obtain the incubated living rape;
step S2, transferring the living plants after incubation into aqueous solution of lanthanide series metals for further incubation, thus obtaining the plant interface super-assembled SAFs fluorescent material, which comprises the following specific processes:
149mg of terbium chloride hexahydrate is added into 20mL of deionized water, stirring is carried out for 30min, then the incubated living rape washed by the deionized water is immersed in the water, the living rape is continuously incubated for 48h under the irradiation of a high-power sunlight simulator (with the power of 300W), and finally the living rape interface super-assembled SAFs fluorescent material is obtained after washing by the deionized water.
FIG. 7 is an optical photograph of example 2 when SAFs fluorescent materials are super-assembled using a living rape interface.
SEM test characterization is carried out on the living rape interface super-assembled SAFs fluorescent material prepared in the embodiment, and the results are as follows:
FIG. 8 is an SEM image of the living rape interface super-assembled SAFs fluorescent material prepared in example 2.
As shown in FIG. 8, the SAFs structure particles were grown in vivo, indicating that the SAFs were synthesized by the in vivo interfacial super-assembly.
Example 3 ]
The embodiment provides a preparation method of a living onion interface super-assembled SAFs fluorescent material, which comprises the following steps:
step S1, placing fresh living plants in simulated sunlight, and incubating in a disodium terephthalate solution to obtain incubated living plants, wherein the specific process is as follows:
adding 840mg of disodium terephthalate into 20mL of deionized water, stirring for 30min, then placing living onions in the water, and incubating for 48h under the irradiation of a high-power sunlight simulator (with the power of 300W) to obtain incubated living onions;
step S2, transferring the living plants after incubation into aqueous solution of lanthanide series metals for further incubation, thus obtaining the plant interface super-assembled SAFs fluorescent material, which comprises the following specific processes:
149mg of terbium chloride hexahydrate is added into 20mL of deionized water, stirring is carried out for 30min, then the living onions after incubation which are washed by the deionized water are immersed in the solution, the living onions are continuously incubated for 48h under the irradiation of a high-power sunlight simulator (the power is 300W), and finally the living onions are washed by the deionized water, so that the living onions interface super-assembled SAFs fluorescent material is obtained.
FIG. 9 is an optical photograph of example 3 when SAFs fluorescent materials were super-assembled using living onion interfaces.
The living body green onion interface super-assembled SAFs fluorescent material prepared in the embodiment is repeatedly kneaded and washed by hands in deionized water, and then placed under a fluorescence spectrophotometer to measure the fluorescence quantity. The results were as follows:
FIG. 10 is a 245nm fluorescence image of the living onion interface super-assembled SAFs fluorescent material prepared in example 3 after 1 time of rubbing. FIG. 11 is a 245nm fluorescence image of the living onion interface super-assembled SAFs fluorescent material prepared in example 3 after 5 times of rubbing. FIG. 12 is a 245nm fluorescence image of the living onion interface super-assembled SAFs fluorescent material prepared in example 3 after 10 times of rubbing. FIG. 13 is a 245nm fluorescence image of the living onion interface super-assembled SAFs fluorescent material prepared in example 3 after 20 times of rubbing.
As can be seen from FIGS. 10 to 13, the living body green onion interface super-assembled SAFs fluorescent material prepared in the embodiment has no change in macroscopic fluorescence color after repeated rubbing.
FIG. 14 is a graph showing the amount of fluorescence lost after kneading of the living onion interface super-assembled SAFs fluorescent material obtained in example 3.
As can be seen from FIG. 14, the living body green onion interface super-assembled SAFs fluorescent material prepared in this example has no change in fluorescence intensity after repeated rubbing.
Example 4 ]
The embodiment provides a preparation method of a living mushroom interface super-assembled SAFs fluorescent material, which comprises the following steps:
step S1, placing fresh living plants in simulated sunlight, and incubating in a disodium terephthalate solution to obtain incubated living plants, wherein the specific process is as follows:
adding 840mg of disodium terephthalate into 20mL of deionized water, stirring for 30min, then placing the living mushroom in the water, and incubating for 48h under the irradiation of a high-power sunlight simulator (with the power of 300W) to obtain an incubated living onion;
step S2, transferring the living plants after incubation into aqueous solution of lanthanide series metals for further incubation, thus obtaining the plant interface super-assembled SAFs fluorescent material, which comprises the following specific processes:
1476mg of europium chloride hexahydrate is added into 20mL of deionized water, stirring is carried out for 30min, then the incubated living mushroom washed by the deionized water is immersed in the solution, the incubation is continued for 48h under the irradiation of a high-power sunlight simulator (the power is 300W), and finally the washing is carried out by the deionized water, so that the living mushroom interface super-assembled SAFs fluorescent material is obtained.
FIG. 15 is an optical photograph of the case of the interface super-assembled SAFs fluorescent material using the living Lentinus edodes in example 4.
FIG. 16 is a 245nm fluorescent image of the living Lentinus edodes interface super-assembled SAFs fluorescent material prepared in example 4 after 10 times of rubbing.
As can be seen from FIG. 16, the surface of the living Lentinus edodes prepared in this example was super-assembled with SAFs fluorescent material, and after 10 times of kneading, the macroscopic fluorescence color was unchanged.
The foregoing is a detailed description of the embodiments, convenient those skilled in the art are able to make and use the present invention. Those skilled in the art, based on the present invention, should not be subjected to innovative work, but rather should be able to obtain improvements or modifications by means of analysis, analogies or limited enumeration, etc. within the scope of protection defined by the following claims.
Claims (5)
1. The preparation method of the plant interface super-assembled SAFs fluorescent material is characterized by comprising the following steps of:
step S1, placing fresh living plants under simulated sunlight, and incubating in a disodium terephthalate solution to obtain incubated living plants;
s2, transferring the living plants after incubation into aqueous solution of lanthanide series metals for continuous incubation, obtaining the plant interface super-assembled SAFs fluorescent material,
wherein the living plant is Brassica plant of Brassicaceae, herba Alii Fistulosi or Lentinus Edodes,
the lanthanide metal is europium chloride hexahydrate or terbium chloride hexahydrate.
2. The method for preparing the plant interface super-assembled SAFs fluorescent material of claim 1,
wherein the simulated sunlight in step S1 is generated by a high-power sunlight simulator,
the concentration of the disodium terephthalate solution is 1-300 mmol/L, the dosage is 1-300 mL,
the incubation time in the disodium terephthalate solution is 2-96 hours.
3. The method for preparing the plant interface super-assembled SAFs fluorescent material of claim 2,
the power of the high-power sunlight simulator is 100-3000W.
4. The method for preparing the plant interface super-assembled SAFs fluorescent material of claim 1,
wherein the concentration of the aqueous solution of the lanthanide metal in the step S2 is 1-300 mmol/L, the dosage is 1-300 mL,
and the continuous incubation time in the aqueous solution of the lanthanide series metal is 2-96 hours.
5. A plant interface super-assembled SAFs fluorescent material is characterized in that the plant interface super-assembled SAFs fluorescent material is prepared by adopting the preparation method of the plant interface super-assembled SAFs fluorescent material as claimed in any one of claims 1 to 4,
wherein, the plant interface super-assembled SAFs fluorescent material has the characteristic of not reducing the fluorescence amount by repeated rubbing.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918672A (en) * | 2012-09-03 | 2015-09-16 | 利物浦大学 | Metal-organic frameworks |
| CN106565966A (en) * | 2016-11-08 | 2017-04-19 | 中国科学院合肥物质科学研究院 | Europium-based coordination polymer nanosphere and preparation method and application thereof |
| CN109021247A (en) * | 2018-09-19 | 2018-12-18 | 福州大学 | A kind of rare-earth base metal organic framework compound of lamellar structure and its preparation method and application |
| CN111996001A (en) * | 2020-08-27 | 2020-11-27 | 华东师范大学 | Organic framework material with fluorescence recognition function on p-nitrobenzene, preparation method and application |
| CN112080013A (en) * | 2020-09-28 | 2020-12-15 | 青岛科技大学 | Europium metal organic framework material and preparation method and application thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918672A (en) * | 2012-09-03 | 2015-09-16 | 利物浦大学 | Metal-organic frameworks |
| CN106565966A (en) * | 2016-11-08 | 2017-04-19 | 中国科学院合肥物质科学研究院 | Europium-based coordination polymer nanosphere and preparation method and application thereof |
| CN109021247A (en) * | 2018-09-19 | 2018-12-18 | 福州大学 | A kind of rare-earth base metal organic framework compound of lamellar structure and its preparation method and application |
| CN111996001A (en) * | 2020-08-27 | 2020-11-27 | 华东师范大学 | Organic framework material with fluorescence recognition function on p-nitrobenzene, preparation method and application |
| CN112080013A (en) * | 2020-09-28 | 2020-12-15 | 青岛科技大学 | Europium metal organic framework material and preparation method and application thereof |
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