CN204644342U - For cultivating the microporous culture plate of photosynthetic microorganism - Google Patents
For cultivating the microporous culture plate of photosynthetic microorganism Download PDFInfo
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- CN204644342U CN204644342U CN201520309597.8U CN201520309597U CN204644342U CN 204644342 U CN204644342 U CN 204644342U CN 201520309597 U CN201520309597 U CN 201520309597U CN 204644342 U CN204644342 U CN 204644342U
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Abstract
This application discloses a kind of microporous culture plate for cultivating photosynthetic microorganism, comprise contrary first surface and second surface, described culture plate is distributed with some liquid ducts running through described first surface and second surface, the two ends in described liquid duct are the opening directly contacted with the external world, nutrient solution is stored in described duct by nutrient solution surface tension effects by described liquid duct, and making culture plate is formed somely provides the nutrient solution fluid column of nutrition containing photosynthetic microorganism and for described photosynthetic microorganism growth.A kind of feasible pattern be the both ends open in duct for directly passing for light, make to be formed between the first surface of culture plate and second surface open-work, open-work is cellular, mesh or sieve-mesh in culture plate surface arrangement.The thickness of culture plate is better is arranged to enable duct to provide the nutrient solution liquid measure of a growth cycle for described photosynthetic microorganism.Culture plate of the present utility model has the effect of saving energy consumption, being easy to results.
Description
Technical field
The application relates to a kind of microporous culture plate for cultivating photosynthetic microorganism.
Background technology
Photosynthetic microorganism is a class is unique with light or the microorganism that lives of main energy sources, comprise micro-algae, cyanobacteria etc. containing chlorophyll, can photosynthetic microorganism be carried out.This quasi-microorganism has important biological utilisation to be worth, particularly micro-algae, and rich in proteins, can be used as aquatic feed or animal and fowl fodder (as spirulina); Prior, certain slightly algae can synthesize secondary metabolite in a large number under given conditions, as grease, carotenoid, polysaccharide etc., these materials have the biologically active substance of high economic worth often, can be used in the fields such as functional food, foodstuff additive, pharmacy, bioenergy.Wherein, extract microalgae grease by micro-algae large scale culturing, and then change into one of liquid fuel, the most important approach being considered to the production of solution bioenergy and carbon fixation and emission reduction as biofuel.
Micro-algae mass propgation has history decades, and current industrialization microdisk electrode is liquid submersion, namely using mass propgation liquid as the medium of micro algae growth, algae kind is immersed in nutrient solution and cultivates.Immersion is cultivated and is mainly comprised again open cultivation pool and closed photo bioreactor (photo-bioreactor, PBR) two kinds of forms.
Advantage about open cultivation is mainly that cost is low, but its shortcoming comprises: illumination utilising efficiency is high, floor space is large, will consume a large amount of energy for stirring, aeration etc. when cultivating, simultaneously open large by external environment influence, be easy to by water body, bacterium and disease and pest in air, directly affect the growth of algae and later stage deep processing and process.Enclosed advantage is mainly that the controllability of environmental modulation is high, but closed PBR adopts light transmissive material (as glass, synthetic glass, plastics film etc.) to make the little container of optical path, this kind of container not only cost and maintenance cost high, and to need equally
Circulation the power consumption device such as stirring, aeration, same unit space utilising efficiency is not high.No matter be open also closed, because nutrient solution is ceaselessly circulating and flowing, therefore, once the local of nutrient solution is contaminated, then whole culture system all can present explosive type pollution.
In the last few years, some solid state rheology modes have been there are in industry, comprise by water conservation water permeability cloth, as canvas etc., or use permeable masonry slab, foamed ceramic panel etc. in the mode of similar growth moss to cultivate micro-algae, but this kind of training method needs continuous from top to down supply nutrient solution in culture cycle, and the mode of this feed flow also can cause top source of pollution to be diffused into bottom.Moreover, the solid culture plate of this kind of water conservation infiltration or film all cannot overcome the problem of hydrostaticpressure, cause the hydrostaticpressure of bottom comparatively large, and the algae grain of bottom are difficult to better attachment and growth.In addition, this process for solid culture, often will rely on water retention property and the algae kind attachment characteristic of material to a great extent, if material poor water retention property, then needs not stop to supply water with energy-dissipating devices such as pumps; And if algae kind tack is poor, algae kind easily departs from, then cannot make algae kind normal growth.In addition these materials are often lighttight, can absorb more light on the contrary, and the algae making on it attachment only can one side light; And the micro-aperture that these water-keeping materials possess, great difficulty is brought to results, cleaning and disinfection, up to the present not yet there is the harvest equipment that can be applicable to this kind of culture plate or film especially, some equipment adopting the mode of scrapers to gather in the crops can cause culture plate or film surface damage and gather in the crops residual quantity up to 40%, and results effect is not satisfactory.
In sum, there is following problem in existing all kinds of cultural method: 1. stir and aerating apparatus, energy consumption is high; 2. conventional P BR space availability ratio is low; 3. source of pollution are difficult to locality control and get rid of; 4. fix culture plate, liquid feed device energy consumption is high, light efficiency is low, results and clean difficulty large, the unbalanced problem of tack that top and the bottom hydrostaticpressure produces cannot be overcome.These defects above-mentioned are all unfavorable for the cost reducing algae culture.
For this reason, the present inventor wishes to provide that the effective culture area of a kind of unit space volume is larger, optical energy utilization efficiency is high, cultivate that energy consumption is low, suitability extensively, especially there is at results, cleaning procedure the photosynthetic microorganism culture apparatus of significant advantage, reduce the production cost of micro-algae with entirety.
Utility model content
It is high that the purpose of this utility model is to provide a kind of productive rate, and less energy consumption, suitability are wide, results, cleaning are simple and be suitable for the culture apparatus of pilot scale culture.
The utility model provides one can be reduced microbial culture system energy consumption and can save nutrient solution needed for culturing micro-organisms, and the immersion between photosynthetic microorganism cultivates a kind of static cultivation device between solid state rheology.
According to the utility model, a kind of microporous culture plate for cultivating photosynthetic microorganism, comprise contrary first surface and second surface, wherein said culture plate is distributed with some liquid ducts running through described first surface and second surface, the two ends in described liquid duct are the opening directly contacted with the external world, nutrient solution is stored in described duct by nutrient solution surface tension effects by described liquid duct, and making culture plate is formed somely provides the nutrient solution fluid column of nutrition containing photosynthetic microorganism and for described photosynthetic microorganism growth.
According to a possible embodiments, the both ends open in wherein said duct is that light can directly pass, and makes to form open-work between the first surface of described culture plate and second surface.
According to a possible embodiments, the open-work on described culture plate makes described first surface or second surface form cellular, latticed or sieve-mesh.
According to a possible embodiments, the straight line defined perpendicular to described first surface and second surface is normal, and described duct inwall extends along the direction being parallel to described normal.
According to a possible embodiments, the straight line defined perpendicular to described first surface and second surface is normal, the part that described duct inwall comprises tilting or extends perpendicular to described normal direction.
According to a possible embodiments, any one duct shape of cross section everywhere in described duct is identical or different, and described duct cross section is everywhere for reference with the cross section of the tangent line perpendicular to duct corresponding points.
According to a possible embodiments, the internal diameter size everywhere of any one duct in described duct is different, and is less than near the aperture, duct of both ends open the aperture, duct being positioned at mid-way.
According to a possible embodiments, the shape of cross section everywhere of any one duct in described duct is all identical with size, and is circular, oval, square, trilateral, rhombus or the random geometry that connected into by curved arc line line segment.
According to a possible embodiments, the pore diameter range in described duct is 0.5mm-20mm.
According to a possible embodiments, the pore diameter range in described duct is 2mm-5mm.
According to a possible embodiments, the length in described duct is 1cm-30cm.
According to a possible embodiments, described culture plate is integrally formed with some described ducts with plastic material.
According to a possible embodiments, described culture plate is by glass, the plate that transparent polymer material or metallic aluminium are formed.
According to a possible embodiments, described culture plate is by GPPS, transparent ABS, AS (styrene-acrylonitrile), PVC, PMMA (polymethylmethacrylate), PC (polycarbonate), or the plate that PS (polystyrene) is formed.
According to a possible embodiments, described culture plate is with the parallel accumulation of tubing that is 0.5mm-20mm of some internal diameters together, and makes between adjacent outer pipe wall mutually bonding, then through cutting into the described culture plate of pre-determined thickness.
According to a possible embodiments, the cross section of described tubing is circular, oval, square or rhombus, and it is face, face overlying contact or tangent contact that described tubing is piled up between rear each outer pipe wall.
Present invention also provides a kind of photosynthetic microorganism culture systems comprising the above-mentioned microporous culture plate for cultivating photosynthetic microorganism.
Adopt the utility model for cultivating the microporous culture plate of photosynthetic microorganism, surface tension by nutrient solution is temporarily stored in the duct of described culture plate, make to be formed containing the nutrient solution fluid column of photosynthetic microorganism in duct, thus provide nutritive medium for microbial growth.Wherein goodly make described porous plate adopt transparent material to make, or directly can pass for light between the two ends in described duct, the photosynthetic microorganism in described fluid column so can be made can to obtain luminous energy needed for microorganism growth and CO from both ends open
2and disengage O
2, and adopt light-transmitting materials due to described porous plate, then photosynthetic microorganism wherein all can also can obtain illumination from different directions.The some described ducts of close and numerous distribution on described culture plate, all containing nutrient solution in each duct, by controlling internal diameter and the length in duct, and the parameter such as ambient air humidity, temperature, environmental gas flow velocity, make nutrient solution can supply needed for the growth of photosynthetic microorganism one-period wherein, without the need to fluid infusion again in culturing process, therefore the utility model belongs in fact a kind of and cultivates by numerous small immersion the static type that forms and cultivate, without the need to stir culture liquid, without the need to aeration, also without the need to solution feed pump etc., therefore its comprehensive energy consumption is very low.In addition, each duct is independent sum isolation respectively, therefore the vertical direction of culture plate can overcome hydrostaticpressure and bring the disadvantageous effects such as nutrient solution skewness; Also the pollution of local or germ can be controlled to dispose among a small circle simultaneously, whole reaction system can not be diffused into by explosive type.
In addition, cultivate relative to existing solid state rheology and duct type, one of advantage that the utility model is maximum is exactly to gather in the crops and easy to clean.When gathering in the crops, only need to blow towards a surface of culture plate along normal direction high pressure draft or firmly shake culture plate or the operation such as culture plate level to be toppled over, just the nutrient solution in duct and algae can be poured out, because the nutrient solution in duct is through the impact such as consumption and evaporation of microorganism, therefore discharge reduction, biomass concentration increases, therefore reduces dry difficulty.When clean, only need to adopt hairbrush cleaning just the duct of culture plate can be cleaned clean, and can towards its surface sprinkling thimerosal when sterilizing.
Bioreactor of the present utility model started a kind of light and microorganism between solid state rheology and closed submerged culture between culture apparatus and method.The concentration process of all right algae liquid of porous plate of the present utility model.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the microporous culture plate for cultivating photosynthetic microorganism of the first embodiment according to the application.
Fig. 2 is the schematic diagram of the microporous culture plate for cultivating photosynthetic microorganism of the second embodiment according to the application.
Fig. 3 is the schematic diagram of the microporous culture plate for cultivating photosynthetic microorganism of the 3rd embodiment according to the application.
Fig. 4 is the schematic diagram of the microporous culture plate for cultivating photosynthetic microorganism of the 4th embodiment according to the application.
Fig. 5 is the schematic diagram of the microporous culture plate for cultivating photosynthetic microorganism of the 5th embodiment according to the application.
Embodiment
Microorganism culturing field is applicable to according to the surface growth of the present utility model biological culture plate that declines, term " microorganism " can refer to all biologies that can carry out photosynthesis, storage power, includes but are not limited to the photosynthetic microorganism of such as micro-algae and cyanobacteria etc.
In this article, term " nutrient solution " refers to the liquid comprising water and microorganism growth and breeding desired nutritional cultivated for target microorganism.
Fig. 1 shows the microporous culture plate 10 for cultivating photosynthetic microorganism of the first embodiment according to the application.
Described microporous culture plate 10 has first surface 11 and second surface 12, wherein said culture plate 10 distributes some liquid ducts 13 running through first surface 11 and second surface 12, the open-work that so-called " the liquid duct run through " had here both comprised directly " can see another side from one side ", is also included within the sweeping duct, inside directly " can not can seeing another side from one side ".
As shown in Figure 1, the duct 13 of the present embodiment is the open-work of " can see another side from one side ".Be the opening 14 directly contacted with the external world at the two ends in described duct 13, in described duct 13, store nutrient solution 20 and photosynthetic microorganism 30.Because the diameter in duct 13 is less, aperture preferred range is 0.5mm-20mm, better scope is 2mm-5mm, described nutrient solution 20 can be made to be stored in described duct 13 by surface tension effects (relevant with liquid viscosity) and to form several fluid columns, provide photosynthetic microorganism 30 to grow required nutrition.In the present embodiment, the opening 14 on the culture plate 10 shown in Fig. 1 is the regular hexagon of rule, makes this culture plate 10 present polynuclear plane.But in other embodiments, these openings 14 also can be circle, trilateral, square etc.In the present embodiment, the cross section everywhere in its duct 13 is all the regular hexagon of rule and aperture is constant, if the straight line defined perpendicular to first surface 11 and second surface 12 is normal O, then the inwall in described duct 13 extends along the direction being parallel to described normal O, culture plate 10 is distributed with thousands of ducts 13, a large amount of nutrient solutions can be stored by these ducts 13, form a liquid wall.But in other embodiments, the inwall in duct 13 also can not extend along the direction being parallel to normal O, but presents and normal O portions incline or vertical extension mode, and duct internal diameter also must be not necessarily equal everywhere.Such as, in certain embodiments, the aperture being slightly less than bosom position, duct 13 near the aperture of the position of both ends open 14 can be made, can not too fastly run off so that pin nutrient solution 20.
In the present embodiment, the length in described duct 13 equals the distance between described first surface 11 and second surface 12, consider that the length in described duct 13 directly affects the amount of stored nutrient solution 20, therefore the characteristic of the aperture in duct 13 described in better combination and the photosynthetic microorganism 30 of institute's nutrient solution, and the length in duct 13 described in arrange accordingly (i.e. the thickness of described culture plate 10), the amount of the nutrient solution 20 that each duct 13 can be stored can supply needed for the growth of described photosynthetic microorganism 30 one-period, and midway does not need fluid infusion.Certainly, in order to not fluid infusion halfway, the parameters such as envrionment temperature, humidity and the surface gas flow velocity controlling described culture plate 10 can also be coordinated to realize, and in the present embodiment, the better thickness of described cultivation 10 that makes is 1CM-30CM, and namely the length L in duct 13 can be designed to 1CM-30CM.In the present embodiment, culture plate 10 can adopt transparent material, as glass, and one-body molded described some holes 13 such as transparent polymer material.Adopt transparent material, not only can make the fluid column that the nutrient solution 20 in each duct 13 is formed, illumination can be obtained from both ends open 14, luminous energy can also be obtained from the inner side-wall transmitted light place in duct 13, effective lifting photosynthetic microorganism utilizes the efficiency of luminous energy and the uniformity coefficient of light, can only for one side light relative to solid-state and membrane type, the present embodiment has significant advantage.Described transparent polymer material is such as GPPS, transparent ABS, AS (styrene-acrylonitrile), PVC, PMMA (polymethylmethacrylate), PC (polycarbonate), PS (polystyrene).
When starting to inoculate, nutrient solution 20 containing certain microorganism concn is placed in a container, this container can be chosen as the tank that the degree of depth is large and fore-and-aft direction thickness supplies this culture plate 10 to insert just, culture plate 10 is immersed in nutrient solution 20, the air in each duct 13 of culture plate 10 can be got rid of in the process of submergence, make nutrient solution 20 be filled into all ducts 13 inner, more slowly propose culture plate 10, leave standstill, fixing, to illumination, control environment parameter.Microorganism in each duct 13 of culture plate 10 one by one independently in nutrient solution fluid column grows under optimum conditions, wait to grow to a certain degree, whole culture plate 10 is tilted (or by the pressed gas of the normal direction that gives some strength, also the reactive force of certain vertical direction can be aided with), the inner photosynthetic microorganism mixed solution of culture plate 10 can depart from culture plate 10, completes results process.Ideally, (aperture, duct 13 is such as designed, length by control condition, illumination, the parameters such as temperature, the concentration in conjunction with inoculation), by microorganism culturing to pureed thickness state, such as, can obtain the algae mud of micro-algae, thus significantly reduce follow-up process.
Fig. 2 shows the microporous culture plate 40 for cultivating photosynthetic microorganism of the second embodiment according to the application.
Second embodiment and the first embodiment essential difference are, the duct 43 on described culture plate 40 is bending duct, and namely the both ends open 44,45 in duct 43 can not allow light directly pass, but the curved line of the inwall in duct 43 extends and formed.Although light directly can not arrive opening 45 from opening 44, described culture plate 40 adopts transparent material, is preferably the material that transparence is high, therefore, microorganism everywhere can be made in duct 43 equally to obtain luminous energy.
Fig. 3 shows the microporous culture plate 50 for cultivating photosynthetic microorganism of the 3rd embodiment according to the application.Compared with the first embodiment, the duct 53 on the culture plate 50 of the 3rd embodiment, its cross section relative to normal O is circular.In other embodiments, can also be trilateral, rhombus, square or oval etc.But consider the problem reducing clean dead angle, preferably make the cross section everywhere in described duct 53 be the rule or random geometry that are connected into by curved arc line line segment.Described duct 53 cross section is everywhere for reference with the cross section of the tangent line perpendicular to duct corresponding points.
Fig. 4 shows the microporous culture plate 60 for cultivating photosynthetic microorganism of the 4th embodiment according to the application.Fig. 5 shows the microporous culture plate 70 for cultivating photosynthetic microorganism of the 5th embodiment according to the application.
4th embodiment and the 5th embodiment, be mainly used in the making method that microporous culture plate of the present utility model is described.
The culture plate 60 of the 4th embodiment can adopt metallic aluminium or other plastic materials, according to certain moduli tool, by injection molding manner, and the one-body molded culture plate 60 with the duct 63 of several close and numerous distributions.These ducts 63 can be the homogeneous duct of pore size, also can be the different duct of such pore size embodiment illustrated in fig. 4.
Fig. 5 shows the microporous culture plate 70 for cultivating photosynthetic microorganism of the 5th embodiment according to the application.
In 5th embodiment, select several internal diameters to be the tubing 90 of the circular non-opaque of 0.5mm-20mm, these tubing 90 are better has homogeneous internal diameter, these tubing 90 are deposited in the mode of its axis being parallel and are formed a large cube structure together, be tangent relation each other, then by these tubing 90, with point of contact, hot binding (being applicable to plastic pipe 90) or caking agent combine respectively, then thickness as required, position as shown in shown by arrow, cut into the sheet material of pre-determined thickness, the culture plate 70 of the present embodiment can be obtained.
Those skilled in the art it is appreciated that, when described tubing 90 be square or trilateral, rhombus time, then be deposited in together with axis being parallel, large cube structure described in then forming by the face hot pressing of adjacent contact or adhesive bond, then thickness as required cuts and obtains porous culture plate of the present utility model.In other embodiments, cross section or the size of tubing 90 do not limit, and can be homogeneous size and dimension, also can be different.
Except above-mentioned described situation, microporous culture plate of the present utility model can also coordinate a supplementary structure such as cover body, framework, realize the support of described culture plate 10,40,50,60,70 and prevent the too fast loss of nutrient solution of storage in culture plate, can the parameter such as set temperature, humidity in cover body, and pour CO
2gas.Auxiliary frame can increase the physical strength of culture plate, is fixed on the edge of microporous culture plate, so that culture plate is upright, composition culture plate array, improves space efficiency utilization and the light source utilising efficiency of training method.
Relative to prior art, the microporous culture plate for cultivating photosynthetic microorganism of the present utility model, have energy consumption low, make and safeguard that cost is low, pollute that controllability is good, light efficiency utilization ratio is high, biomass results and clean very easy easy technical superiority.
Only describe principle of the present utility model by way of example above, but be unsuitable for restriction protection domain of the present utility model.On the contrary, structure described herein can be presented as other forms many.When not departing from the essence and scope that are limited by claim below, those skilled in the art can carry out various substituting and amendment to above-described embodiment.
Claims (16)
1. one kind for cultivating the microporous culture plate of photosynthetic microorganism, comprise contrary first surface and second surface, it is characterized in that, described culture plate is distributed with some liquid ducts running through described first surface and second surface, the two ends in described liquid duct are the opening directly contacted with the external world, nutrient solution is stored in described duct by nutrient solution surface tension effects by described liquid duct, and making culture plate is formed somely provides the nutrient solution fluid column of nutrition containing photosynthetic microorganism and for described photosynthetic microorganism growth.
2. the microporous culture plate for cultivating photosynthetic microorganism according to claim 1, is characterized in that, the both ends open in duct is that light can directly pass, and makes to form open-work between the first surface of described culture plate and second surface.
3. the microporous culture plate for cultivating photosynthetic microorganism according to claim 2, is characterized in that, the open-work on described culture plate makes described first surface or second surface form cellular, latticed or sieve-mesh.
4. the microporous culture plate for cultivating photosynthetic microorganism according to claim 1, is characterized in that, the straight line defined perpendicular to described first surface and second surface is normal, and described duct inwall extends along the direction being parallel to described normal.
5. the microporous culture plate for cultivating photosynthetic microorganism according to claim 1, it is characterized in that, the straight line defined perpendicular to described first surface and second surface is normal, the part that described duct inwall comprises tilting or extends perpendicular to described normal direction.
6. the microporous culture plate for cultivating photosynthetic microorganism according to claim 1, it is characterized in that, any one duct shape of cross section everywhere in described duct is identical or different, and described duct cross section is everywhere for reference with the cross section of the tangent line perpendicular to duct corresponding points.
7. the microporous culture plate for cultivating photosynthetic microorganism according to claim 1 or 6, it is characterized in that, any one duct in described duct internal diameter size is everywhere different, and is less than near the aperture, duct of both ends open the aperture, duct being positioned at mid-way.
8. the microporous culture plate for cultivating photosynthetic microorganism according to claim 1 or 6, it is characterized in that, any one duct in described duct shape of cross section is everywhere all identical with size, and is circular, oval, square, trilateral, rhombus or the random geometry that connected into by curved arc line line segment.
9. the microporous culture plate for cultivating photosynthetic microorganism according to claim 1, is characterized in that, the pore diameter range in described duct is 0.5mm-20mm.
10. the microporous culture plate for cultivating photosynthetic microorganism according to claim 9, is characterized in that, the pore diameter range in described duct is 2mm-5mm.
11. microporous culture plates for cultivating photosynthetic microorganism according to claim 1,6,9 or 10, it is characterized in that, the length in described duct is 1cm-30cm.
The 12. microporous culture plates for cultivating photosynthetic microorganism according to claim 1, is characterized in that, described culture plate is integrally formed with some described ducts with plastic material.
The 13. microporous culture plates for cultivating photosynthetic microorganism according to claim 12, it is characterized in that, described culture plate is by glass, the plate that transparent polymer material or metallic aluminium are formed.
The 14. microporous culture plates for cultivating photosynthetic microorganism according to claim 12, it is characterized in that, described culture plate is by GPPS, transparent ABS, AS (styrene-acrylonitrile), PVC, PMMA (polymethylmethacrylate), PC (polycarbonate), or the plate that PS (polystyrene) is formed.
The 15. microporous culture plates for cultivating photosynthetic microorganism according to claim 1, it is characterized in that, described culture plate is with the parallel accumulation of tubing that is 0.5mm-30mm of some internal diameters together, and make between adjacent outer pipe wall mutually bonding, then through cutting into the described culture plate of pre-determined thickness.
The 16. microporous culture plates for cultivating photosynthetic microorganism according to claim 15, it is characterized in that, the cross section of described tubing is circular, oval, square or rhombus, and it is face, face overlying contact or tangent contact that described tubing is piled up between rear each outer pipe wall.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114231412A (en) * | 2021-12-07 | 2022-03-25 | 华中科技大学同济医学院附属协和医院 | Special magazine of cell culture board |
| US11313790B2 (en) | 2019-12-16 | 2022-04-26 | Harbin Medical University | Method for detecting iodine concentration in water samples |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11313790B2 (en) | 2019-12-16 | 2022-04-26 | Harbin Medical University | Method for detecting iodine concentration in water samples |
| CN114231412A (en) * | 2021-12-07 | 2022-03-25 | 华中科技大学同济医学院附属协和医院 | Special magazine of cell culture board |
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Address after: 100034 -6 international investment building, 6 Fuchengmen North Street, Xicheng District, Beijing. Co-patentee after: CHINA ELECTRONICS ENGINEERING DESIGN INSTITUE Patentee after: National Development Investment Group Co.,Ltd. Address before: 100034 -6 international investment building, 6 Fuchengmen North Street, Xicheng District, Beijing. Co-patentee before: CHINA ELECTRONICS ENGINEERING DESIGN INSTITUE Patentee before: STATE DEVELOPMENT AND INVESTMENT Corp. |
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Effective date of registration: 20181203 Address after: 100034 147 Xizhimen South Street, Xicheng District, Beijing Patentee after: SDIC BIOTECHNOLOGY INVESTMENT Co.,Ltd. Address before: 100034 -6 international investment building, 6 Fuchengmen North Street, Xicheng District, Beijing. Co-patentee before: CHINA ELECTRONICS ENGINEERING DESIGN INSTITUE Patentee before: National Development Investment Group Co.,Ltd. |