CN108946861A - A kind of method of beta-lactam antibiotic in graphene oxide/eosin Y compound photocatalytic degradation water body - Google Patents
A kind of method of beta-lactam antibiotic in graphene oxide/eosin Y compound photocatalytic degradation water body Download PDFInfo
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- CN108946861A CN108946861A CN201810766960.7A CN201810766960A CN108946861A CN 108946861 A CN108946861 A CN 108946861A CN 201810766960 A CN201810766960 A CN 201810766960A CN 108946861 A CN108946861 A CN 108946861A
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- beta
- lactam antibiotic
- eosin
- graphene oxide
- photocatalytic degradation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
A kind of method of beta-lactam antibiotic in graphene oxide/eosin Y compound photocatalytic degradation water body, it is prepared for a kind of dyestuff eosin Y covalent bond graphene oxide composite material, which had both had the photo-catalysis capability for introducing or greatly strengthening GO of the strong advantage of GO adsorption capacity, light-sensitive coloring agent.When illumination, dye molecule is optically excited generation electronics, and the dissolved oxygen in electron reduction solution, generating has strong oxidizing property1O2And H2O2, and then the beta-lactam antibiotic oxidative degradation that the surface GO will be adsorbed on.The method of the present invention has the characteristics that easy to operate, quick, removal is efficient, has a wide range of application, and is expected to the processing for utilizing sunlight for actual water sample.
Description
Technical field
The present invention relates to beta-lactam antibiotics in a kind of graphene oxide/eosin Y compound photocatalytic degradation water body
Method, belong to field of environmental improvement.
Background technique
China is maximum production of raw medicine state and the big country of antibiotic usage in the world, the production of bulk pharmaceutical chemicals and anti-
The use of raw element can bring serious antibiotic to pollute to environment water, and antibiotic pollution may induce and propagate all kinds of antibiotic
Drug resistance causes bacterium, influences the immune system of people, to generate threat to the health of the mankind, (Chen Fei .2013. magnetic surface trace is multiple
The preparation of light combination catalyst and the Xi'an research [D] of degradation selectivity antibiotic: Chang An University).Currently, interior for removing β-
The method of amides antibiotic pollutant mainly has physical-chemical process, bioremediation, chloridising, advanced oxidation processing skill
Art: ozone oxidation, Fenton and light Fenton oxidation, electric conductor oxidation and conductor photocatalysis etc..The above method there are some disadvantages,
Such as operating condition is harsh, removal efficiency is low, application range is narrow or at high cost, and is difficult to carry out large-scale application.
Summary of the invention
It is an object of the invention to using graphene oxide (GO) as matrix covalent bond dye molecule eosin Y (EY),
The compound had both had the adsorption capacity of GO, also contemplated the excellent conductive capability of GO, kept the transmitting of charge rapider.Dyestuff
The introducing of molecule makes compound generate quick response to light, improves compound to the utilization efficiency of sunlight.Utilize this spy
Property, a kind of quick, efficient degradation beta-lactam antibiotic method is provided.
Technical scheme is as follows:
(1) sequentially added in clean culture plate beta-lactam antibiotic, sodium dihydrogen phosphate (PBS) buffer solution,
Graphene oxide/eosin Y (GO/EY) suspension is protected from light a period of time to reach adsorption equilibrium；
(2) above-mentioned solution LED light irradiates a period of time, realizes photocatalytic degradation beta-lactam antibiotic；
(3) mixed liquor after illumination is supplemented to the volume before illumination with ultrapure water while be transferred in centrifuge tube, through simple
Supernatant liquor is taken to survey its absorbance in the maximum absorption wave strong point of beta-lactam antibiotic after centrifuge separation, so that it is interior to calculate β-
Amides antibiotic removes degradation rate.
Invention effect
Compared with prior art, the present invention has the advantage that
(1) minimizing technology is simple, quick, efficient；
(2) white led lamps simulated solar irradiation, more conducively practical application are utilized.
Specific embodiment
Embodiment 1
50mg L is sequentially added in 24 clean well culture plates-1Cefaclor (CEC) solution 80 μ L, pH 7.0
1720 μ L, 0.1mg mL of PBS buffer solution-1Graphene oxide/eosin Y (GO/EY) dispersion liquid 200 μ L, total volume 2mL.
The porous plate is placed on dark place and is incubated for 45min, then irradiates 4h with white led lamps.Volume before being supplemented to irradiation with ultrapure water,
Centrifugation calculates removal efficiency with ultraviolet specrophotometer in the absorbance that wavelength is measurement supernatant at 264nm.
Embodiment 2
50mg L is sequentially added in 24 clean well culture plates-1Cefaclor (CEC) solution 80 μ L, pH 7.0
1720 μ L, 0.1mg mL of PBS buffer solution-1Graphene oxide/eosin Y (GO/EY) dispersion liquid 200 μ L, total volume 2mL.
The porous plate is placed on dark place and is incubated for 45min, then irradiates 4h with green LED lamp.Volume before being supplemented to irradiation with ultrapure water,
Centrifugation calculates removal efficiency with ultraviolet specrophotometer in the absorbance that wavelength is measurement supernatant at 264nm.
Embodiment 3
50mg L is sequentially added in 24 clean well culture plates-1Cefaclor (CEC) solution 80 μ L, pH 7.0
1720 μ L, 0.1mg mL of PBS buffer solution-1Graphene oxide/eosin Y (GO/EY) dispersion liquid 200 μ L, total volume 2mL.
The porous plate is placed on dark place and is incubated for 45min, then irradiates 6h with white led lamps.Volume before being supplemented to irradiation with ultrapure water,
Centrifugation calculates removal efficiency with ultraviolet specrophotometer in the absorbance that wavelength is measurement supernatant at 264nm.
Processing environment water sample 1,2,3 is distinguished using embodiment 1,2,3, removal effect is preferable, the results are shown in Table 1.
Cefaclor (CEC) goes division result in 1 actual water sample of table
Claims (5)
1. the method for beta-lactam antibiotic, feature in a kind of graphene oxide/eosin Y compound photocatalytic degradation water body
It is comprising the following three steps:
(1) beta-lactam antibiotic, sodium dihydrogen phosphate (PBS) buffer solution, oxidation are sequentially added in clean culture plate
Graphene/eosin Y (GO/EY) suspension is protected from light a period of time to reach adsorption equilibrium；
(2) above-mentioned solution LED light irradiates a period of time, realizes photocatalytic degradation beta-lactam antibiotic；
(3) mixed liquor after illumination is supplemented to the volume before illumination with ultrapure water while be transferred in centrifuge tube, is simply centrifuged
Supernatant liquor is taken to survey its absorbance in the maximum absorption wave strong point of beta-lactam antibiotic after separation.
2. method according to claim 1, it is characterised in that EY and GO Covalent bonding together.
3. method according to claim 1, it is characterised in that light source is white led lamps.
4. method according to claim 1, it is characterised in that light application time is 4 h.
5. method according to claim 1, it is characterised in that the pH of solution is 7.0 when illumination.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810766960.7A CN108946861A (en) | 2018-07-13 | 2018-07-13 | A kind of method of beta-lactam antibiotic in graphene oxide/eosin Y compound photocatalytic degradation water body |
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|---|---|---|---|
| CN201810766960.7A CN108946861A (en) | 2018-07-13 | 2018-07-13 | A kind of method of beta-lactam antibiotic in graphene oxide/eosin Y compound photocatalytic degradation water body |
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| CN108946861A true CN108946861A (en) | 2018-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261450A (en) * | 2019-05-20 | 2019-09-20 | 安徽科技学院 | It is a kind of to detect dopamine and adrenaline modified glassy carbon electrode, preparation method and application simultaneously |
Citations (4)
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|---|---|---|---|---|
| CN104353469A (en) * | 2014-10-28 | 2015-02-18 | 江苏大学 | Method for preparing nanocomposite photocatalyst and application of nanocomposite photocatalyst |
| CN104941621A (en) * | 2015-05-26 | 2015-09-30 | 华南理工大学 | Composite photocatalyst for efficiently degrading antibiotics as well as preparation method and application thereof |
| CN107298478A (en) * | 2017-06-26 | 2017-10-27 | 苏州科技大学 | A kind of method of beta lactam antibioticses in fast degradation water |
| CN108043457A (en) * | 2017-12-25 | 2018-05-18 | 福州大学 | The preparation method of high conductivity graphene-eosin W or W S composite aerogel photochemical catalyst |
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2018
- 2018-07-13 CN CN201810766960.7A patent/CN108946861A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353469A (en) * | 2014-10-28 | 2015-02-18 | 江苏大学 | Method for preparing nanocomposite photocatalyst and application of nanocomposite photocatalyst |
| CN104941621A (en) * | 2015-05-26 | 2015-09-30 | 华南理工大学 | Composite photocatalyst for efficiently degrading antibiotics as well as preparation method and application thereof |
| CN107298478A (en) * | 2017-06-26 | 2017-10-27 | 苏州科技大学 | A kind of method of beta lactam antibioticses in fast degradation water |
| CN108043457A (en) * | 2017-12-25 | 2018-05-18 | 福州大学 | The preparation method of high conductivity graphene-eosin W or W S composite aerogel photochemical catalyst |
Non-Patent Citations (1)
| Title |
|---|
| 张磊磊: "基于氧化石墨烯的复合材料(Fe3O4/GO和GO/EY)制备及其应用", 《中国优秀硕士学位论文全文数据库-工程科技I辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261450A (en) * | 2019-05-20 | 2019-09-20 | 安徽科技学院 | It is a kind of to detect dopamine and adrenaline modified glassy carbon electrode, preparation method and application simultaneously |
| CN110261450B (en) * | 2019-05-20 | 2021-11-30 | 安徽科技学院 | Glassy carbon electrode capable of simultaneously detecting dopamine and epinephrine modification, and preparation method and application thereof |
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Application publication date: 20181207 |
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