CN106124496A - A kind of monitoring material based on graphene oxide and its preparation method and application - Google Patents
A kind of monitoring material based on graphene oxide and its preparation method and application Download PDFInfo
- Publication number
- CN106124496A CN106124496A CN201610463573.7A CN201610463573A CN106124496A CN 106124496 A CN106124496 A CN 106124496A CN 201610463573 A CN201610463573 A CN 201610463573A CN 106124496 A CN106124496 A CN 106124496A
- Authority
- CN
- China
- Prior art keywords
- graphene oxide
- monitoring
- monitoring material
- mixed liquor
- material based
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The present invention relates to a kind of monitoring material based on graphene oxide and its preparation method and application, it is specifically related to the monitoring material to temperature and/or light sensitive, belonging to the monitoring technical field of perishable food, medicine or vaccine, this material is the illumination based on graphene oxide for Cold Chain Logistics storage and temperature monitoring material.The monitoring material of the present invention be by graphene oxide, catalysis material, reducing agent (be dispersed in water and obtain mixed liquor, mixed liquor is the driest, thus obtain the mixture of above-mentioned three class materials.Under As-deposited state, this material is yellow, at illumination or higher temperature (> 8 DEG C) under the conditions of, the color of material is gradually converted into dark yellow so that black, color change has irreversible feature, it is achieved thereby that the effect of illumination and temperature monitored by a kind of material simultaneously, this material has important application prospect needing lucifuge, the Cold Chain Logistics of low temperature, storage field.
Description
Technical field
The present invention relates to a kind of monitoring material based on graphene oxide and its preparation method and application, be specifically related to temperature
Degree and/or the monitoring material of light sensitive, belong to the monitoring technical field of perishable food, medicine or vaccine, and this material is for using
Illumination based on graphene oxide and temperature monitoring material in Cold Chain Logistics storage.
Background technology
At present, substantial amounts of vaccine, medicine and food are required under the conditions of the cold chain of low temperature and lucifuge carrying out storing in a warehouse, transporting
And use.If wherein certain link is due to reasons such as equipment faults, making article departing from cold chain environment, corresponding article character will
Change.But in prior art, after corresponding article character changes, because of the most corresponding substantially prompting or mark,
User is not easy to find, thus critical vaccine, medicine or the personal safety of food user.Such as, in the vaccine event of Shandong,
Even veteran doctor, when carrying out vaccination, owing to vaccine identifies the most accordingly, the most do not realize judgement
Whether vaccine there occurs rotten or lost efficacy.
Summary of the invention
The technology of the present invention solves problem: overcomes the deficiencies in the prior art, proposes a kind of prison based on graphene oxide
Measure and monitor the growth of standing timber material and its preparation method and application.
The technical solution of the present invention is:
A kind of monitoring material based on graphene oxide, the form of this monitoring material is powder, thin film or block, including oxygen
Functionalized graphene, catalysis material and reducing agent；
Described graphene oxide, catalysis material, the mass ratio of reducing agent are 0.5-10:0.1-2:0.1-2；
Described catalysis material is a kind of in titanium dioxide or zinc oxide or both mixture；
Described reducing agent is one or more the mixture in glucose, maltose, fructose or vitamin C.
A kind of preparation method of monitoring material based on graphene oxide, step is:
(1) graphene oxide, catalysis material are added to the water, ultrasonic disperse 5 under the conditions of lucifuge, low temperature (1～6 DEG C)
～60 minutes, obtain the mixed liquor I of uniform component；
(2) in the mixed liquor I that step (1) obtains, add reducing agent, ultrasonic disperse 1～5 minutes, obtain uniform component
Mixed liquor II；
(3) mixed liquor II that step (2) obtains is carried out cold drying process, obtain monitoring material based on graphene oxide
Material, the monitoring material obtained is yellow.
In described step (2), the concentration of graphene oxide is 0.5g/L～10g/L, and the concentration of catalysis material is
0.1g/L～2g/L, the concentration of reducing agent is 0.1g/L～2g/L；
The temperature that in described step (3), cold drying processes is 1～6 DEG C；
In described step (3), the mode of dried is atomization drying, sucking filtration or convection drying, the monitoring material obtained
For powder, thin film or bulk.
The application of a kind of monitoring material based on graphene oxide, step is: described monitoring based on graphene oxide
Materials application is in needing lucifuge or the monitoring of low temperature storage article；Described lucifuge refers to avoid sun exposure, and described is low
Temperature refers to that temperature is not higher than 8 DEG C；Described need lucifuge or low temperature storage article refer to food, medicine or vaccine；
The application of described monitoring material, is fixed on described treating after referring to be packaged monitoring material packaging material
On monitoring article or its outer package surface；
Described packaging material are transparent plastic or glass；
Described be fixed as pasting or with article to be monitored or packaging integrated plastic packaging.
Beneficial effect
(1) the monitoring material of the present invention is when by illumination, and graphene oxide is in catalysis material and the effect of reducing agent
Under, occurring to the transformation of Graphene, color is the most correspondingly changed into dark yellow from yellow so that black；
(2) the monitoring material of the present invention is lucifuge, higher temperature (> 8 DEG C) under the conditions of, the graphene oxide in this material is also
Reacting with reducing agent and the transformation to Graphene occurs, correspondingly, the color of material is also changed into dark yellow with blackening from yellow
Color；
(3) the monitoring material of the present invention can reach the monitoring effect of illumination and temperature simultaneously；
(4) the monitoring material of the present invention is by illumination or when being in higher temperature conditions, and the change procedure of color has
Irreversibility；
(5) the monitoring material of the present invention is by illumination or when being in higher temperature conditions, with light application time or be in relatively
The increase of the time under high-temperature, monitoring material color deepen have additive；
(6) raw material of the monitoring material of the present invention is nontoxic, harmless, non-volatile, easily encapsulates, and is difficult to be monitored
There is chemical reaction in article or packaging, is free from side effects article to be monitored；
(7) the monitoring material of the present invention needing lucifuge, the Cold Chain Logistics storage of low temperature is before field has important application
Scape, can be simultaneously used for temperature and the material of illumination monitoring, thus simultaneously to temperature during meeting cold chain storage, transporting and use
The demand of monitoring dual with illumination.
(8) the monitoring material of the present invention is by graphene oxide, catalysis material (in titanium dioxide and Zinc oxide powder
One or both mixture), reducing agent (mixture of one or more in glucose, maltose, fructose and vitamin C)
It is dispersed in water and obtains mixed liquor, mixed liquor is the driest, thus obtain the mixture of above-mentioned three class materials.Should under As-deposited state
Material is yellow, at illumination or higher temperature (> 8 DEG C) under the conditions of, the color of material is gradually converted into dark yellow so that black, face
Complexion changed has irreversible feature, it is achieved thereby that the effect of illumination and temperature monitored by a kind of material simultaneously, this material is needing
Lucifuge, the Cold Chain Logistics of low temperature, storage field is wanted to have important application prospect.
(9) owing to all emphasizing to need lucifuge, low temperature storage in the outer package of vaccines a lot of in prior art, medicine and food,
But it has not been used to the indicating label of illumination and temperature monitoring in packaging etc.；The present invention has illumination and temperature monitoring performance
Material, is encapsulated in the packaging of vaccine, medicine or food etc., and once article will be sent out departing from cold chain environment, monitoring material
Raw irreversible color change, can point out storage conveying people or user to pay close attention to the change of article character intuitively, thus will
The application risk that depart from cold chain article is greatly reduced.
Accompanying drawing explanation
Fig. 1 is the monitoring material of As-deposited state in embodiment 1, and color is yellow；
Fig. 2 is to monitor the photo after material irradiates 8 hours in the sunlight in embodiment 1, and color is black.
Detailed description of the invention
With embodiment, the present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1
(1) 10g graphene oxide, 0.5g titanium dioxide are added in 1L water, at lucifuge, ultrasonic disperse 30 under the conditions of 6 DEG C
Minute, obtain the mixed liquor I of uniform component；Further, addition 0.1g glucose in above-mentioned mixed liquor, ultrasonic disperse 5 minutes,
Obtain the mixed liquor II of uniform component；
(2) above-mentioned mixed liquor II is obtained film like monitoring material by suction method under the conditions of 6 DEG C.Under As-deposited state,
The color of material is yellow, as shown in Figure 1；
(3) the yellow film shape obtained monitoring material plastics package is fixed on the outer package surface of vaccine to be monitored
On；
(4) vaccine with yellow film shape monitoring material step (3) obtained irradiates 8 hours in the sunlight, monitoring
The color transition of material is black, as in figure 2 it is shown, show that this monitoring material has good illumination indicating effect, also carries simultaneously
Show that vaccine has had been subjected to the rising of illumination or temperature, need to check whether vaccine lost efficacy or rotten further.
Embodiment 2
(1) 0.5g graphene oxide, 0.05g titanium dioxide and 0.05g zinc oxide are added in 1L water, at lucifuge, 1 DEG C of bar
Ultrasonic disperse 5 minutes under part, obtain the mixed liquor I of uniform component；Further, above-mentioned mixed liquor adds 0.1g fructose, super
Sound disperses 1 minute, obtains the mixed liquor II of uniform component；
(2) above-mentioned mixed liquor II is obtained powder monitoring material by atomization drying method.Under As-deposited state, the face of material
Color is yellow；
(3) yellow powder obtained monitoring material glass packaging is fixed on the outer package surface of medicine to be monitored
On；
(4) step (3) is obtained with yellow powder monitoring material medicine lucifuge, 30 DEG C preserve 24 hours,
Color transition is buff, shows that this monitoring material has good illumination indicating effect, and the most also prompting medicine has been subjected to
The rising of illumination or temperature, needs to check whether medicine lost efficacy or rotten further.
Embodiment 3
(1) 10g graphene oxide, 1g titanium dioxide and 1g zinc oxide are added in 1L water, lucifuge, under the conditions of 4 DEG C super
Sound disperses 60 minutes, obtain the mixed liquor I of uniform component；Further, in above-mentioned mixed liquor add 0.025g glucose,
0.025g maltose, 0.025g fructose, 0.025g vitamin C, ultrasonic disperse 5 minutes, obtain the mixed liquor of uniform component；
(2) above-mentioned mixed liquor II is obtained bulk material as temperature monitoring material by cold drying.At As-deposited state
Under, the color of material is yellow；
(3) the yellow bulk obtained monitoring material plastics package is fixed on the outer package surface of food to be monitored
On；
(4) step (3) is obtained with yellow bulk monitoring material food daylight, 25 DEG C preserve 2 hours, color
Being changed into buff, show that this monitoring material has good illumination indicating effect, the most also prompting food has had been subjected to light
According to or the rising of temperature, need to check further whether food lost efficacy or rotten.
Embodiment 4
(1) 10g graphene oxide, 2g zinc oxide are added in 1L water, in lucifuge, ultrasonic disperse 10 minutes under the conditions of 6 DEG C,
Obtain the mixed liquor I of uniform component；Further, above-mentioned mixed liquor adds 2g maltose, ultrasonic disperse 1 minute, is become
Divide homogeneous mixed liquor II；
(2) above-mentioned mixed liquor II is obtained film like monitoring material by suction method under the conditions of 3 DEG C.Under As-deposited state,
The color of material is yellow；
(3) the yellow film shape obtained monitoring material plastics package is fixed on the outer package surface of vaccine to be monitored
On；
(4) vaccine with yellow film shape monitoring material step (3) obtained irradiates 4 hours in the sunlight, monitoring
The color transition of material is buff, shows that this monitoring material has good illumination indicating effect, and the most also prompting vaccine is
It is subjected to the rising of illumination or temperature, has needed to check whether vaccine lost efficacy or rotten further.
Embodiment 5
(1) 5g graphene oxide, 0.5g titanium dioxide and 0.5g zinc oxide are added in 1L water, in lucifuge, under the conditions of 2 DEG C
Ultrasonic disperse 40 minutes, obtains the mixed liquor I of uniform component；Further, above-mentioned mixed liquor adds 1g vitamin C, ultrasonic
Disperse 2 minutes, obtain the mixed liquor of uniform component；
(2) above-mentioned mixed liquor II is obtained bulk material as temperature monitoring material by cold drying.At As-deposited state
Under, the color of material is yellow；
(3) the yellow bulk obtained monitoring material plastics package is fixed on the outer package surface of food to be monitored
On；
(4) step (3) is obtained with yellow bulk monitoring material food daylight, 30 DEG C preserve 10 hours, face
Color is changed into black, shows that this monitoring material has good illumination indicating effect, and the most also prompting food has had been subjected to light
According to or the rising of temperature, need to check further whether food lost efficacy or rotten.
Embodiment 6
(1) 2g graphene oxide, 0.2g zinc oxide are added in 1L water, in lucifuge, ultrasonic disperse 5 minutes under the conditions of 1 DEG C,
Obtain the mixed liquor I of uniform component；Further, above-mentioned mixed liquor adds 0.1g fructose and 0.2g glucose, ultrasonic disperse 2
Minute, obtain the mixed liquor II of uniform component；
(2) above-mentioned mixed liquor II is obtained powder monitoring material by atomization drying method.Under As-deposited state, the face of material
Color is yellow；
(3) yellow powder obtained monitoring material glass packaging is fixed on the outer package surface of medicine to be monitored
On；
(4) step (3) is obtained with yellow powder monitoring material medicine lucifuge, 40 DEG C preserve 48 hours,
Color transition is black, shows that this monitoring material has good illumination indicating effect, and the most also prompting medicine has been subjected to
Illumination or the rising of temperature, need to check whether medicine lost efficacy or rotten further.
Embodiment 7
(1) 8g graphene oxide, 0.2g titanium dioxide and 0.1g zinc oxide are added in 1L water, in lucifuge, under the conditions of 3 DEG C
Ultrasonic disperse 10 minutes, obtains the mixed liquor I of uniform component；Further, above-mentioned mixed liquor adds 0.5g glucose, 0.1g
Maltose and 0.5g vitamin C, ultrasonic disperse 1 minute, obtain the mixed liquor II of uniform component；
(2) above-mentioned mixed liquor II is obtained powder monitoring material by atomization drying method.Under As-deposited state, the face of material
Color is yellow；
(3) yellow powder obtained monitoring material plastics package is fixed on the outer package surface of vaccine to be monitored
On；
(4) step (3) is obtained with yellow powder monitoring material vaccine daylight, 35 DEG C preserve 10 hours,
Color transition is black, shows that this monitoring material has good illumination indicating effect, and the most also prompting vaccine has been subjected to
Illumination or the rising of temperature, need to check whether vaccine lost efficacy or rotten further.
Claims (10)
1. a monitoring material based on graphene oxide, it is characterised in that: this monitoring material includes graphene oxide, photocatalysis
Material and reducing agent；
Described catalysis material is a kind of in titanium dioxide or zinc oxide or both mixture；
Described reducing agent is one or more the mixture in glucose, maltose, fructose or vitamin C.
A kind of monitoring material based on graphene oxide the most according to claim 1, it is characterised in that: described oxidation stone
Ink alkene, catalysis material, the mass ratio of reducing agent are 0.5-10:0.1-2:0.1-2.
3. the preparation method of a monitoring material based on graphene oxide, it is characterised in that step is:
(1) graphene oxide, catalysis material are added to the water, ultrasonic disperse under lucifuge, cryogenic conditions, obtain uniform component
Mixed liquor I；
(2) in the mixed liquor I that step (1) obtains, add reducing agent, ultrasonic disperse, obtain the mixed liquor II of uniform component；
(3) mixed liquor II that step (2) obtains is carried out cold drying process, obtain monitoring material based on graphene oxide.
The preparation method of a kind of monitoring material based on graphene oxide the most according to claim 3, it is characterised in that: institute
In the step (1) stated, low temperature is 1～6 DEG C, and the ultrasonic disperse time is 5～60min, and described catalysis material is titanium dioxide
Or a kind of in zinc oxide or both mixture, the concentration of graphene oxide is 0.5g/L～10g/L, catalysis material dense
Degree is 0.1g/L～2g/L.
The preparation method of a kind of monitoring material based on graphene oxide the most according to claim 3, it is characterised in that: institute
In the step (2) stated, the ultrasonic disperse time is 1～5min, and the concentration of reducing agent is 0.1g/L～2g/L, and described reducing agent is
One or more mixture in glucose, maltose, fructose or vitamin C.
The preparation method of a kind of monitoring material based on graphene oxide the most according to claim 3, it is characterised in that: institute
In the step (3) stated, the temperature that cold drying processes is 1～6 DEG C, and the mode of dried is atomization drying, sucking filtration or direct
Being dried, the monitoring material obtained is yellow, and the form of monitoring material is powder, thin film or bulk.
7. step is: by monitoring materials application based on graphene oxide in needing lucifuge or the monitoring of low temperature storage article.
The application of a kind of monitoring material based on graphene oxide the most according to claim 7, it is characterised in that: described
Lucifuge refers to avoid sun exposure, described low temperature to refer to that temperature is not higher than 8 DEG C；Described needs lucifuge or low temperature storage article
Refer to food, medicine or vaccine.
The application of a kind of monitoring material based on graphene oxide the most according to claim 7, it is characterised in that: described
Monitoring material is in use, be fixed on described article to be monitored or its outsourcing after being packaged by monitoring material packaging material
On dress surface.
The application of a kind of monitoring material based on graphene oxide the most according to claim 9, it is characterised in that: described
Packaging material be transparent plastic or glass；Described be fixed as pasting or with article to be monitored or packaging integrated plastic packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610463573.7A CN106124496B (en) | 2016-06-23 | 2016-06-23 | A kind of monitoring material and its preparation method and application based on graphene oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610463573.7A CN106124496B (en) | 2016-06-23 | 2016-06-23 | A kind of monitoring material and its preparation method and application based on graphene oxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106124496A true CN106124496A (en) | 2016-11-16 |
| CN106124496B CN106124496B (en) | 2018-12-21 |
Family
ID=57268062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610463573.7A Expired - Fee Related CN106124496B (en) | 2016-06-23 | 2016-06-23 | A kind of monitoring material and its preparation method and application based on graphene oxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106124496B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130266628A1 (en) * | 2012-04-10 | 2013-10-10 | Indian Institute Of Technology Madras | Graphene-based antimicrobial composites |
| US20130344611A1 (en) * | 2012-06-20 | 2013-12-26 | Samsung Electronics Co., Ltd. | Apparatus and method for analyzing graphene and graphene boundary |
| CN103879999A (en) * | 2014-03-03 | 2014-06-25 | 中国科学院合肥物质科学研究院 | Method for preparing graphene based nano composite material through in-situ reduction of graphite oxide |
| EP2924444A1 (en) * | 2014-03-28 | 2015-09-30 | AIT Austrian Institute of Technology GmbH | Flow and pressure sensitive graphene sensor |
-
2016
- 2016-06-23 CN CN201610463573.7A patent/CN106124496B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130266628A1 (en) * | 2012-04-10 | 2013-10-10 | Indian Institute Of Technology Madras | Graphene-based antimicrobial composites |
| US20130344611A1 (en) * | 2012-06-20 | 2013-12-26 | Samsung Electronics Co., Ltd. | Apparatus and method for analyzing graphene and graphene boundary |
| CN103879999A (en) * | 2014-03-03 | 2014-06-25 | 中国科学院合肥物质科学研究院 | Method for preparing graphene based nano composite material through in-situ reduction of graphite oxide |
| EP2924444A1 (en) * | 2014-03-28 | 2015-09-30 | AIT Austrian Institute of Technology GmbH | Flow and pressure sensitive graphene sensor |
Non-Patent Citations (5)
| Title |
|---|
| FENG WANG 等: "Reduced graphene oxide-Tio2 nanocomposite with high photocatalystic activity for the degration of rhodamine B", 《JOURNAL OF MOLECULAR CATALYSIS A:CHEMICAL》 * |
| GRAEME WILLIAMS 等: "Tio2-Graphene Nanocomposites. UV-Assisted Photocatalytic Reduction of Graphene Oxide", 《ACS NANO》 * |
| SELVAKUMAR PALANISAMY 等: "A novel nonenzymatic hydrogen peroxide sensor based on reduced graphene oxide/ZnO composite modified electrode", 《SENSORS AND ACTUATORS B:CHEMICAL》 * |
| ZHAOYAO ZHAN: "Self-powered, visible-light photodetector based on thermally reduced graphene oxide-ZnO hybrid nanostructure", 《J. MATER. CHEM.》 * |
| 高原 等: "基于石墨烯的光学生物传感器的研究进展", 《分析化学特约来稿》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106124496B (en) | 2018-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Anbuvannan et al. | Anisochilus carnosus leaf extract mediated synthesis of zinc oxide nanoparticles for antibacterial and photocatalytic activities | |
| US10247713B2 (en) | Time passage indicator | |
| Sun et al. | Double-layer indicator films aided by BP-ANN-enabled freshness detection on packaged meat products | |
| US10107760B2 (en) | Indicator device | |
| WO2009126422A3 (en) | Apparatus and methods for non-invasive measurement of a substance within a body | |
| MX2015015079A (en) | Injectable nano-network gels for diabetes treatment. | |
| CN107647962A (en) | Cold and hot compress product with temperature warning function | |
| CN101318395B (en) | Method of manufacturing medicinal cold-forming composite aluminum foil | |
| CN106124496A (en) | A kind of monitoring material based on graphene oxide and its preparation method and application | |
| CN108735833A (en) | A kind of flexible wide spectrum photodetector of organic/inorganic pn-junction nano-array and preparation method thereof | |
| Giannelli et al. | Silk fibroin and pomegranate by-products to develop sustainable active pad for food packaging applications | |
| CN102334545A (en) | Aspergillus flavus infection-resistant peanut-coating storage method | |
| CN108534909A (en) | Temperature monitoring material based on triplet state-triplet state annihilation up-conversion luminescence | |
| CN104473168A (en) | Processing method for increasing solubility and bioavailability of fat-soluble active component | |
| Zhang et al. | A visual bi-layer sensor based on Agar/TiO2/butterfly bean flower anthocyanin/κ-carrageenan with photostability for monitoring Penaeus chinensis freshness | |
| CN104709567A (en) | Microwave-specific food package bag and manufacturing method thereof | |
| CN109835945A (en) | Preparation method of oxygen defect tin dioxide gas-sensitive material and products thereof and application | |
| CN106975508A (en) | A kind of g C for garden stuff pesticide residue of degrading3N4Nanometer sheet and preparation method | |
| CN107325379A (en) | A kind of water-soluble plastic packaging bag and preparation method thereof | |
| CN108645847A (en) | A method of oxygen is detected based on unformed tungsten oxide/polymer hybridisation nano fibrous membrane | |
| CN102715469A (en) | Dried litchi processing method | |
| TWI465718B (en) | Oxygen detection agent and its manufacturing method, oxygen detection of aqueous solution | |
| CN101775222A (en) | Whey protein/TiO2 edible composite membrane and preparation method thereof | |
| CN109187527A (en) | A kind of oxygen indicator and the method using oxygen indicator production oxygen instruction product | |
| CN106832708A (en) | A kind of hemostasis film formulation hydrolyzed under high temperature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 Termination date: 20190623 |