CN103949658A - Green synthesis method of nano-silver by utilizing eucommia ulmoides water extract - Google Patents
Green synthesis method of nano-silver by utilizing eucommia ulmoides water extract Download PDFInfo
- Publication number
- CN103949658A CN103949658A CN201410195459.1A CN201410195459A CN103949658A CN 103949658 A CN103949658 A CN 103949658A CN 201410195459 A CN201410195459 A CN 201410195459A CN 103949658 A CN103949658 A CN 103949658A
- Authority
- CN
- China
- Prior art keywords
- eucommia
- bark
- silver
- water extract
- nano
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
The invention discloses a green synthesis method of nano-silver by utilizing eucommia ulmoides water extract. The green synthesis method comprises the following steps: washing eucommia ulmoides, drying at 60 DEG C, and smashing into powder; weighing 20 mg of eucommia ulmoides powder in a beaker, adding 100 mg of water, putting in a water bath kettle at the constant temperature of 80 DEG C for 30 minutes, and filtering; carrying out high-speed centrifugal separation on an obtained solution so as to obtain the eucommia ulmoides water extract; uniformly mixing a silver nitrate solution with the eucommia ulmoides water extract, and putting in the constant-temperature water bath kettle for reaction so as to obtain nano-silver particles. The method has the benefit that a method for preparing nano-silver by utilizing the plant water extract as a reducing agent and a protective agent under mild conditions is provided in a liquid phase, and no damage to the environment and human bodies is achieved.
Description
Technical field
The invention belongs to nano material preparing technical field, relate to a kind of method of utilizing the green synthesizing nano-silver of bark of eucommia water extract.
Background technology
Existing chemical method is produced silver nano material need to add number of chemical reagent, so in preparation process, environment and human body is produced to harm, and high cost.
Nano Silver and compound thereof have the performances such as skin effect, quantum size effect, optical effect because of it makes it in Industrial Catalysis, biological medicine, bioanalysis chemistry, food security fast detecting, optical probe, sensor, have extensively potential application prospect aspect numerous.The preparation method of Nano Silver mainly contains physical vapor evaporation agglutination, sputtering method, laser high-temperature combustion method, mechanical milling method, electrochemical process, liquid phase chemical reduction method and photo-induction inducing defecation by enema and suppository etc. at present.Wherein, liquid phase chemical reduction method, because its equipment is simple, easy to operate, pattern and size are controlled etc., and feature becomes the main method that low cost is prepared Nano Silver.But most chemical methods need to be introduced more chemical reagent, exist production cost higher, and may bring certain problems such as environmental pollution.
The present invention utilizes hydro-thermal reaction system, only utilize the reproducible bark of eucommia water extract of occurring in nature under mild reaction conditions, to reduce silver ion, do not adopt other any reducing agents, prepared the controlled Nano Silver of pattern and size, the method energy-saving and environment friendly, does not also have the relevant report about this respect at present.
Summary of the invention
The object of the present invention is to provide a kind of method of utilizing the green synthesizing nano-silver of bark of eucommia water extract, solved existing chemical method production silver nano material and need to add number of chemical reagent, so in preparation process, environment and human body have been produced to the problem of harm.
The technical solution adopted in the present invention is to carry out according to following steps:
Step 1: the bark of eucommia is cleaned, and 60 ℃ dry, pulverize powdered;
Step 2: take 20mg Eucommia Bark in beaker, add 100mg water, be placed in 80 ℃ of water-baths of constant temperature 30 minutes, filter;
Step 3: gained solution high speed centrifugation is separated, obtain bark of eucommia water extract;
Step 4: liquor argenti nitratis ophthalmicus is mixed with bark of eucommia water extract, be placed in thermostat water bath and react, obtain nano silver particles.
Further, the centrifugal 12000r/min of step 3 high speed; Silver nitrate concentration in described step 4 in mixed liquor is 10
-2-10
-4mol/L.
Further, in step 4, the temperature of isothermal reaction is 20～60 ℃, and the reaction time is 5-30min.
Further, in step 1, the bark of eucommia refers to Bark of Eucommia Ulmoides and folium cortex eucommiae.
The invention has the beneficial effects as follows to provide and under a kind of temperate condition, in liquid phase, utilize vegetation water extract to prepare the method for silver nanoparticle for reducing agent and protective agent, can not produce harm to environment and human body.
Accompanying drawing explanation
Fig. 1 is Nano Silver and the uv-visible absorption spectroscopy figure thereof that embodiment 1 makes;
Fig. 2 is the nano silver particles transmission electron microscope picture that embodiment 1 makes.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Comprise the following steps: the preparation of (1) bark of eucommia water extract: the bark of eucommia is cleaned, and 60 ℃ dry, pulverize powdered.Take 20mg Eucommia Bark in beaker, add 100mg water, be placed in 80 ℃ of water-baths of constant temperature 30 minutes, filter, available filter paper, by gained solution high speed centrifugation (12000r/min) separation, obtains bark of eucommia water extract; (2) liquor argenti nitratis ophthalmicus is mixed with bark of eucommia water extract, the silver nitrate concentration in mixed liquor is 10
-2-10
-4mol/L, after mixing, be placed in thermostat water bath, temperature is controlled at 20 ℃-60 ℃, and the reaction time is controlled at 5-30min, controlled preparation, control different temperature and reaction time, change the concentration of silver nitrate, can obtain the nano silver particles of different-grain diameter, the particle diameter of the Nano Silver that can make is 5-60nm.
The technical problem that the present invention solves is to provide utilizes vegetation water extract to prepare the method for silver nanoparticle for reducing agent and protective agent in liquid phase under a kind of temperate condition; the method is simple; mild condition, has environmental friendliness, the feature such as the large and structure of output is distinct.
In bark of eucommia water extract, polyphenol is as reducing agent; do not need to add other chemical reagent, environment and biology are not had to toxic action, made up the deficiency that existing chemical method is produced silver nano material; gutta-percha, as protective agent, can effectively be controlled the pattern of silver nanoparticle product.This reaction system is simple, and preparation is convenient, mild condition, as for the production of, can be greatly cost-saving.
The present invention will be described to enumerate specific embodiment below:
Embodiment 1: a kind of method of utilizing the green synthesizing nano-silver of bark of eucommia water extract of the present embodiment, and its concrete steps are as follows:
Step 1: the bark of eucommia is cleaned, and 60 ℃ dry, pulverize powdered;
Step 2: take 20mg Eucommia Bark in beaker, add 100mg water, be placed in 80 ℃ of water-baths of constant temperature 30 minutes, filter;
Step 3: gained solution high speed centrifugation 12000r/min is separated, obtain bark of eucommia water extract;
Step 4: liquor argenti nitratis ophthalmicus is mixed with bark of eucommia water extract, and the silver nitrate concentration in mixed liquor is 10
-3mol/L, after mixing, is placed in thermostat water bath, and temperature is controlled at 40 ℃, and the reaction time is controlled at 20 minutes, and the particle diameter of the Nano Silver of preparation is 10-40nm.
Be illustrated in figure 1 Nano Silver and uv-visible absorption spectroscopy figure thereof that embodiment 1 makes, its maximum absorption band is 521nm.
Be illustrated in figure 2 the nano silver particles transmission electron microscope picture that embodiment 1 makes.In Fig. 2, scale is 20nm.
Embodiment 2: a kind of method of utilizing the green synthesizing nano-silver of bark of eucommia water extract of the present embodiment, and its concrete steps are as follows:
Step 1: the bark of eucommia is cleaned, and 60 ℃ dry, pulverize powdered;
Step 2: take 20mg Eucommia Bark in beaker, add 100mg water, be placed in 80 ℃ of water-baths of constant temperature 30 minutes, filter;
Step 3: gained solution high speed centrifugation 12000r/min is separated, obtain bark of eucommia water extract;
Step 4: liquor argenti nitratis ophthalmicus is mixed with bark of eucommia water extract, and the silver nitrate concentration in mixed liquor is 10
-4mol/L, after mixing, is placed in thermostat water bath, and temperature is controlled at 20 ℃, and the reaction time is controlled at 30min, and the particle diameter of the Nano Silver of preparation is 5-20nm.
Embodiment 3: a kind of method of utilizing the green synthesizing nano-silver of bark of eucommia water extract of the present embodiment, and its concrete steps are as follows:
Step 1: the bark of eucommia is cleaned, and 60 ℃ dry, pulverize powdered;
Step 2: take 20mg Eucommia Bark in beaker, add 100mg water, be placed in 80 ℃ of water-baths of constant temperature 30 minutes, filter;
Step 3: gained solution high speed centrifugation 12000r/min is separated, obtain bark of eucommia water extract;
Step 4: liquor argenti nitratis ophthalmicus is mixed with bark of eucommia water extract, and the silver nitrate concentration in mixed liquor is 10
-2mol/L, after mixing, is placed in thermostat water bath, and temperature is controlled at 60 ℃, and the reaction time is controlled at 5min, and the particle diameter of the Nano Silver of preparation is 30-60nm.
Claims (4)
1. a method of utilizing the green synthesizing nano-silver of bark of eucommia water extract, is characterized in that carrying out according to following steps:
Step 1: the bark of eucommia is cleaned, and 60 ℃ dry, pulverize powdered;
Step 2: take 20mg Eucommia Bark in beaker, add 100mg water, be placed in 80 ℃ of water-baths of constant temperature 30 minutes, filter;
Step 3: gained solution high speed centrifugation is separated, obtain bark of eucommia water extract;
Step 4: liquor argenti nitratis ophthalmicus is mixed with bark of eucommia water extract, be placed in thermostat water bath and react, obtain nano silver particles.
2. according to a kind of method of utilizing the green synthesis of nano gold of bark of eucommia water extract described in claim 1, it is characterized in that: in described step 1, the bark of eucommia refers to Bark of Eucommia Ulmoides and folium cortex eucommiae.
3. according to a kind of method of utilizing the green synthesizing nano-silver of bark of eucommia water extract described in claim 1, it is characterized in that: the centrifugal 12000r/min of described step 3 high speed; Silver nitrate concentration in described step 4 in mixed liquor is 10
-2-10
-4mol/L.
4. a kind of method of utilizing the green synthesizing nano-silver of bark of eucommia water extract according to claim 1, is characterized in that: in described step 4, the temperature of isothermal reaction is 20～60 ℃, and the reaction time is 5-30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195459.1A CN103949658B (en) | 2014-05-09 | 2014-05-09 | A kind of method utilizing Cortex Eucommiae water extract green syt nanometer silver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195459.1A CN103949658B (en) | 2014-05-09 | 2014-05-09 | A kind of method utilizing Cortex Eucommiae water extract green syt nanometer silver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103949658A true CN103949658A (en) | 2014-07-30 |
| CN103949658B CN103949658B (en) | 2016-08-17 |
Family
ID=51327081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410195459.1A Active CN103949658B (en) | 2014-05-09 | 2014-05-09 | A kind of method utilizing Cortex Eucommiae water extract green syt nanometer silver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103949658B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040414A (en) * | 2015-05-25 | 2015-11-11 | 厦门大学 | Preparation method of sliver supporting fabric based on plant material and nanometer sliver synergetic antibacterial |
| CN106112008A (en) * | 2016-08-18 | 2016-11-16 | 安徽科技学院 | Utilize the method that Flos Osmanthi Fragrantis blade prepares nanometer silver |
| CN106827142A (en) * | 2017-01-03 | 2017-06-13 | 浙江省林产品质量检测站 | A kind of antibacterial, anti-mite, except aldehyde bamboo mat manufacture method |
| CN107598153A (en) * | 2017-08-30 | 2018-01-19 | 西安理工大学 | A kind of preparation method of the Silver Nanoparticles of anti-pancreatic cancer and lung cancer |
| CN108097980A (en) * | 2017-12-18 | 2018-06-01 | 上海理工大学 | A kind of method that silver nano-grain is prepared using rhizoma atractylodis leaching liquor |
| CN109550974A (en) * | 2018-12-13 | 2019-04-02 | 华南理工大学 | A kind of preparation method using carnosic acid green syt nano silver |
| CN109702218A (en) * | 2018-12-25 | 2019-05-03 | 浙江大学 | A kind of method and product and application preparing nano-Ag particles using Phyllanthus embical fruit extracting solution |
| CN109909512A (en) * | 2017-12-12 | 2019-06-21 | 中国科学院深圳先进技术研究院 | A kind of silver nanowires and its green magnanimity preparation method |
| CN109909513A (en) * | 2019-04-26 | 2019-06-21 | 中国科学院西双版纳热带植物园 | A kind of method and purposes with comospore Glochidion puberum biosynthesis nano silver particles |
| CN110405225A (en) * | 2019-08-14 | 2019-11-05 | 昆山菲骐环保科技有限公司 | The preparation method of one Plant Extracts nano materials |
| CN113527769A (en) * | 2021-06-28 | 2021-10-22 | 中国科学院合肥物质科学研究院 | Synthesis method of eucommia polysaccharide nano silver, synthesized eucommia polysaccharide nano silver and application thereof |
| CN113828791A (en) * | 2021-08-26 | 2021-12-24 | 桂林理工大学 | Method for green preparation of silver nanoparticles from passion fruit peel extract and application of silver nanoparticles |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912976A (en) * | 2010-08-24 | 2010-12-15 | 厦门大学 | Method for preparing silver nano granules by reducing plant extract |
| WO2011041458A1 (en) * | 2009-09-29 | 2011-04-07 | Varma Rajender S | Green synthesis of nanometals using fruit extracts and use thereof |
| CN102202815A (en) * | 2008-05-16 | 2011-09-28 | 维鲁泰克技术股份有限公司 | Green synthesis of nanometals using plant extracts and use thereof |
| CN102240815A (en) * | 2011-06-16 | 2011-11-16 | 广东工业大学 | Method for preparing nano silver particles by using plant extract for reduction, and application of method |
| CN102941348A (en) * | 2012-12-05 | 2013-02-27 | 苏州大学 | Method for preparing nano-silver hydrosol by using plant extract |
-
2014
- 2014-05-09 CN CN201410195459.1A patent/CN103949658B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102202815A (en) * | 2008-05-16 | 2011-09-28 | 维鲁泰克技术股份有限公司 | Green synthesis of nanometals using plant extracts and use thereof |
| WO2011041458A1 (en) * | 2009-09-29 | 2011-04-07 | Varma Rajender S | Green synthesis of nanometals using fruit extracts and use thereof |
| CN101912976A (en) * | 2010-08-24 | 2010-12-15 | 厦门大学 | Method for preparing silver nano granules by reducing plant extract |
| CN102240815A (en) * | 2011-06-16 | 2011-11-16 | 广东工业大学 | Method for preparing nano silver particles by using plant extract for reduction, and application of method |
| CN102941348A (en) * | 2012-12-05 | 2013-02-27 | 苏州大学 | Method for preparing nano-silver hydrosol by using plant extract |
Non-Patent Citations (2)
| Title |
|---|
| 南京医药大学编著: "《中药大辞典（上册）（第2版）》", 31 March 2006, 上海科学技术出版社 * |
| 王俊丽: "《西北民族地区植物资源利用与生物技术》", 31 March 2013, 科学出版社 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040414B (en) * | 2015-05-25 | 2017-05-03 | 厦门大学 | Preparation method of sliver supporting fabric based on plant material and nanometer sliver synergetic antibacterial |
| CN105040414A (en) * | 2015-05-25 | 2015-11-11 | 厦门大学 | Preparation method of sliver supporting fabric based on plant material and nanometer sliver synergetic antibacterial |
| CN106112008A (en) * | 2016-08-18 | 2016-11-16 | 安徽科技学院 | Utilize the method that Flos Osmanthi Fragrantis blade prepares nanometer silver |
| CN106112008B (en) * | 2016-08-18 | 2019-04-05 | 安徽科技学院 | The method for preparing nano silver using sweet osmanthus blade |
| CN106827142A (en) * | 2017-01-03 | 2017-06-13 | 浙江省林产品质量检测站 | A kind of antibacterial, anti-mite, except aldehyde bamboo mat manufacture method |
| CN107598153A (en) * | 2017-08-30 | 2018-01-19 | 西安理工大学 | A kind of preparation method of the Silver Nanoparticles of anti-pancreatic cancer and lung cancer |
| CN109909512A (en) * | 2017-12-12 | 2019-06-21 | 中国科学院深圳先进技术研究院 | A kind of silver nanowires and its green magnanimity preparation method |
| CN108097980A (en) * | 2017-12-18 | 2018-06-01 | 上海理工大学 | A kind of method that silver nano-grain is prepared using rhizoma atractylodis leaching liquor |
| CN109550974A (en) * | 2018-12-13 | 2019-04-02 | 华南理工大学 | A kind of preparation method using carnosic acid green syt nano silver |
| CN109702218A (en) * | 2018-12-25 | 2019-05-03 | 浙江大学 | A kind of method and product and application preparing nano-Ag particles using Phyllanthus embical fruit extracting solution |
| CN109702218B (en) * | 2018-12-25 | 2020-09-29 | 浙江大学 | Method for preparing nano-silver particles by using phyllanthus emblica extract, product and application |
| CN109909513A (en) * | 2019-04-26 | 2019-06-21 | 中国科学院西双版纳热带植物园 | A kind of method and purposes with comospore Glochidion puberum biosynthesis nano silver particles |
| CN109909513B (en) * | 2019-04-26 | 2022-03-04 | 中国科学院西双版纳热带植物园 | Method for biologically synthesizing nano silver particles by using glochidion pubescens and application |
| CN110405225A (en) * | 2019-08-14 | 2019-11-05 | 昆山菲骐环保科技有限公司 | The preparation method of one Plant Extracts nano materials |
| CN113527769A (en) * | 2021-06-28 | 2021-10-22 | 中国科学院合肥物质科学研究院 | Synthesis method of eucommia polysaccharide nano silver, synthesized eucommia polysaccharide nano silver and application thereof |
| CN113828791A (en) * | 2021-08-26 | 2021-12-24 | 桂林理工大学 | Method for green preparation of silver nanoparticles from passion fruit peel extract and application of silver nanoparticles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103949658B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103949658A (en) | Green synthesis method of nano-silver by utilizing eucommia ulmoides water extract | |
| Asemani et al. | Green synthesis of copper oxide nanoparticles using Juglans regia leaf extract and assessment of their physico-chemical and biological properties | |
| Ndikau et al. | Green synthesis and characterization of silver nanoparticles using Citrullus lanatus fruit rind extract | |
| Mittal et al. | Phytofabrication of nanoparticles through plant as nanofactories | |
| Baker et al. | Plants: emerging as nanofactories towards facile route in synthesis of nanoparticles | |
| CN100450677C (en) | Plant reduction method for preparing silver Nano granules and gold Nano granules | |
| CN103978223B (en) | A kind of method utilizing Cortex Eucommiae water extract green syt nanometer gold | |
| CN104889419B (en) | Biological synthesis method of spherical nano silver particles | |
| CN102093369A (en) | Method for extracting chlorophyll and preparing sodium ferrous chlorophyll from silkworm excrement | |
| CN107309438A (en) | A kind of method that polysaccharide from Phyllanthus Emblica L prepares Nano Silver compound particle | |
| CN114656645B (en) | Preparation method of cyclodextrin metal organic framework stably existing in water phase | |
| Pham et al. | Extraction of anthocyanins from Butterfly pea (Clitoria ternatea L. Flowers) in Southern Vietnam: Response surface modeling for optimization of the operation conditions | |
| CN103551585A (en) | Method for preparing nano-silver by utilizing persimmon tannin as reductant | |
| Nguyen et al. | Evaluation of saponin-rich/poor leaf extract-mediated silver nanoparticles and their antifungal capacity | |
| CN105478795A (en) | Method for preparing silver nanoparticles with sugarcane extract | |
| CN103864137A (en) | Flower-like zinc oxide nanometer material and preparation method thereof | |
| Asghari et al. | Synthesis of silver nanoparticle using Portulaca oleracea L. extracts | |
| Sawalha et al. | Toward a better understanding of metal nanoparticles, a novel strategy from eucalyptus plants | |
| Sun et al. | Flavonoids extraction from Taraxacum officinale (Dandelion): optimisation using response surface methodology and antioxidant activity | |
| Chakraborty et al. | Batch removal of crystal violet from aqueous solution by H2SO4 modified sugarcane bagasse: equilibrium, kinetic, and thermodynamic profile | |
| CN103978222A (en) | Method for green synthesis of nano-palladium by using water extract of eucommia ulmoides | |
| Din et al. | Selection of optimum strategies for the fabrication of plant-mediated metal nanoparticles: emerging problems in sustainability | |
| CN104561105B (en) | A kind of method and its application of pycnoporus samguineus biosynthesis gold nano grain | |
| CN103766913A (en) | Method for extracting total stilbene compound from penoy seeds | |
| Singh et al. | Chemo-bio synthesis of silver nanoparticles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191023 Address after: No. 228, Jian Dong Boulevard, Maping Town, Zigui County, Yichang, Hubei Patentee after: Hubei Jisheng textile Polytron Technologies Inc Address before: 430073 No. 1 Textile Road, Hongshan District, Hubei, Wuhan Patentee before: Wuhan Textile University |