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CN2761164Y - Biological reactor - Google Patents

Biological reactor Download PDF

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Publication number
CN2761164Y
CN2761164Y CN 200420121031 CN200420121031U CN2761164Y CN 2761164 Y CN2761164 Y CN 2761164Y CN 200420121031 CN200420121031 CN 200420121031 CN 200420121031 U CN200420121031 U CN 200420121031U CN 2761164 Y CN2761164 Y CN 2761164Y
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tank
culture tank
main culture
bioreactor
constant temperature
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李明
霍荣龄
刘剑蜂
项红生
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Institute of Electrical Engineering of CAS
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Institute of Electrical Engineering of CAS
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Abstract

一种生物反应器,涉及用于临床实验的杂化(或生物)人工肝体外支持系统生物反应器。主要由配气罐[1]、主培养罐[2]和从培养罐[3]和交换柱[4]组成。配气罐[1]与主培养罐[2]之间用硅胶导管相连,并装有蠕动泵[82];主培养罐[2]与交换柱[4]之间用硅胶导管相连,并装有蠕动泵[84];硅胶导管嵌入蠕动泵[81]、[82]泵头的管槽内。配气罐[1]与主培养罐[2]之间构成一个培养液的循环。主培养罐[2]与交换柱[4]之间形成另一个培养液的循环。在本实用新型中,患者的血液与被培养细胞没有直接接触。在培养过程中可根据需要增加或更换细胞培养罐。罐体由恒温水浴箱保持恒温。本实用新型生物反应器内细胞培养的环境可由计算机调控。

Figure 200420121031

A bioreactor relates to a bioreactor for a hybrid (or biological) artificial liver support system in vitro used in clinical experiments. It is mainly composed of gas distribution tank [1], main culture tank [2], slave culture tank [3] and exchange column [4]. The gas distribution tank [1] is connected with the main culture tank [2] with a silica gel conduit and equipped with a peristaltic pump [82]; the main culture tank [2] is connected with the exchange column [4] with a silica gel conduit and equipped with a There is a peristaltic pump [84]; the silicone conduit is embedded in the tube grooves of the peristaltic pump [81], [82] pump heads. A circulation of culture solution is formed between the gas distribution tank [1] and the main culture tank [2]. Another circulation of the culture solution is formed between the main culture tank [2] and the exchange column [4]. In the present invention, the patient's blood does not directly contact the cultured cells. During the cultivation process, cell culture tanks can be added or replaced as needed. The tank is kept at a constant temperature by a constant temperature water bath. The environment for cell culture in the bioreactor of the utility model can be regulated by a computer.

Figure 200420121031

Description

A kind of bioreactor
Technical field
This utility model relates to a kind of bioreactor, particularly a kind of hydridization (or biological) external back-up system bioreactor of artificial liver that is used for clinical experiment.
Background technology
At present to use more be hollow-fiber bioreactor being used for the external back-up system of the hydridization of clinical experiment (or biological) artificial liver.Its structure and principle are exactly hemodialyzer.Just the selection in membrane material and aperture is different.The doughnut of being made by semipermeable membrane is sealed among the column type container, has so just formed interior exocoel.Respectively among these two cavitys, carried out two-way mass exchange by the blood samples of patients of cultivating hepatocyte and flowing through by semipermeable membrane.
Hollow-fiber bioreactor since the restriction of its structure can to hold cell quantity less, be difficult to satisfy the treatment demand of hydridization (or biological) artificial liver.In incubation because cell distribution is inhomogeneous, reasons such as exchange area finite sum oxygen supply deficiency, cell is deposited on reactor bottom easily and forms agglomerate and not only influence the growth of cell but also be unfavorable for mass exchange.Dead cell can't in time be discharged bioreactor, forms the aggregation of pollutant.
Can't be in existing bioreactor system to being carried out on-line testing by the functional activity of cultured cell.And cultivate hepatocellular state is the effect that can directly have influence on hydridization (or biological) the external support effect of artificial liver.
The utility model content
The purpose of this utility model is the bioreactor that provides for hydridization (or biological) artificial liver and cell culture studies.It has avoided the shortcoming of hollow-fiber bioreactor, is beneficial to hepatocellular High Density Cultivation, and can be according to demand to being expanded by the total amount of cultured cell.For the dead cell that comes off from carrier, rely on isolated plant can discharge bioreactor in time.Control Computer is except carrying out the prosecution the conventional physical quantity of bioreactor, also by with realized cooperating of the online qualitative detection device of cell state being cultivated hepatocellular real-time detection in the culture tank.In case it is unusual to find to be cultivated the active appearance of hepatocyte function, just can remind operator that the operational factor of bioreactor is adjusted in time.Continued to worsen if cultivate hepatocellular state, this bioreactor has guaranteed to change in time, safely from structure is cultivated hepatocyte.So just this link of hepatocyte that can use from bioreactor provides safeguard as the curative effect of the external support of hydridization (biology) artificial liver.
The technical solution adopted in the utility model:
This utility model bioreactor places a bottom to be equipped with in the vertical chassis of deflecting roller.Constant water bath box is placed in the bottom of cabinet, distribution jar, main culture tank and place from culture tank in the temperature chamber of constant water bath box.Peristaltic pump and exchange column are placed in the middle part of cabinet.The cabinet internal upper part is placed Control Computer, is used for system's control.Deforming can is placed in the outer top of cabinet, is used to eliminate the foam that produces in the distribution jar when gas is dissolved in culture fluid.
Between distribution jar and the deforming can, between distribution jar and the main culture tank, main culture tank and from peristaltic pump and silica gel catheter are housed respectively between the culture tank, silica gel catheter embeds in the tube seat of Wriggling Pump Head, distribution jar and deforming can, distribution jar and main culture tank, distribution jar and main culture tank couple together respectively.When placing the peristaltic pump work at cabinet middle part, the rotation of pump head drivewheel compresses the roller of installing on the pump head again and again and loosens the interior silica gel catheter of pump head tube seat, make to produce negative pressure in the pipe, so just liquid draw (gas) body sends in streams to a place in the container of reception from out-put container.
In this utility model, constitute the circulation of a culture fluid between distribution jar and the culture tank, in this circulation, finish regulation and control culture fluid dissolved oxygen and acid-base value.Meanwhile, form the circulation of another culture fluid between culture tank and the exchange column, in this circulation, finish the exchange of culture fluid and blood samples of patients/blood plasma target substance.
On the distribution jar, be fixed with the rustless steel upper end cover, foam outlet joint, air inlet pipe integrated component, drawing liquid interface integrated component and gas-adding pipe integrated component be installed at this upper end cover upper edge circumference.Dissolved oxygen meter integrated component, thermometer boss integrated component are installed, are got dead cell interface integrated component, pH meter interface integrated component, feed liquor interface integrated component at the rustless steel upper end cover upper edge of main culture tank circumference.In main culture tank, lay hanging basket integrated component and following hanging basket integrated component.Place the carrier that is used for being cultivated the hepatocyte attaching in the space between upper and lower hanging basket integrated component, cultivated hepatocyte in this space, to survive.
Cultivated the suitable survival environment of hepatocyte foundation for giving, air, oxygen, carbon dioxide gas and nitrogen dissolve within the culture fluid according to demand under component computer control in the distribution jar.The foam of following collapse of bubbles and producing is admitted to deforming can by the latex pipeline that is connected between distribution jar and the deforming can.In deforming can, the air-flow that sprays in the core jet pipe is pushed foam to ring-like wall net.Gas in the lather collapse under the effect of pressure, foam overflows from removing the flow container top.Liquid after the lather collapse is compiling except that the flow container bottom, and is sent back to the distribution jar under peristaltic pump drives.Acid-base value suits and is full of the enter culture tank of the culture fluid of oxygen molecule in the peristaltic pump driving.
Being cultivated hepatocyte deposits in the main culture tank.And can determine whether needs are also being put into by the cultivation hepatocyte in culture tank according to total cell concentration demand of external support of artificial liver or experiment.When also putting into by the cultivation hepatocyte in culture tank, culture fluid is provided together by the culture fluid circulation line of main culture tank.
Temperature, dissolved oxygen and acidity-basicity sensor are placed within the main culture tank, monitor its variation in real time.The online qualitative detection device of cell state can be drawn quantitative culture fluid and analyze by the three way cock on being connected to culture tank and exchange column being connected silica gel catheter.In time the reflection culture tank is interior by the state of cultured cell, and test result is passed to component computer.Component computer will remind operator that the operational factor of bioreactor is adjusted in time.
Exchange column is selected the dialyser in the conventional blood cleaning equipment for use, and it is made up of hundreds and thousands of porous hollow capillary fiber pipes.Doughnut is and is arranged in parallel, and places in the column type gas-tight silo, forms two independently lacunas inside and outside the fiber pipe semipermeable membrane, i.e. tube cavity and pipe exocoel.When stream respectively by the liquid in inside and outside two chambeies in molecular weight of material during less than the molecular interception amount of semipermeable membrane, just can carry out two-way mass exchange.Contain the inner chamber that is conveyed into exchange column by the culture fluid of cultured cell product under the driving of peristaltic pump from culture tank, patient's blood/plasma is sent into exocoel.The molecular interception amount is at 50-100KD when the semipermeable membrane aperture is selected in 0.2 μ m.Can ensure like this by by the useful active substance of cultured cell synthesis secretion, can add in patient's the body, the biological synthetic functional of performance hydridization (biology) people merit liver as albumin, thrombin, Hepatopoietin and use thereof etc.Help the intravital metabolite of patient, toxicant simultaneously by being transformed and the metabolic detoxification function in culture tank by the picked-up of cultivation hepatocyte, conversion, metabolism, performance hydridization (biology) artificial liver.The macromolecular immune globulin of restriction of choosing in semipermeable membrane aperture sees through, can make on the one hand by the cultivation hepatocyte and avoid the immune influence of patient, can stop the foreign protein of being cultivated the hepatocyte generation to enter the blood samples of patients circulation on the other hand, avoid taking place allergy or rejection.
This utility model uses the thermostatic equipment of constant water bath box as distribution jar and culture tank, and the also available heating wire that has temperature controller is wrapped in the tank body outside and reaches the constant temperature purpose.When using constant water bath box, the tank body of distribution jar and culture tank can be made with disposable plastic that hepatocyte is had no side effect or Pyrex.When selecting for use the heating wire that has temperature controller to be wrapped in the tank body outside when reaching the constant temperature purpose, the tank body that distribution jar and culture tank can only adopt Pyrex to make.
This utility model can make operator in time grasp and be cultivated hepatocellular state.By the operational factor of this utility model bioreactor is adjusted, make by the hepatocellular functional activity of cultivation to be in the purpose that optimum state reaches the external support curative effect of guarantee hydridization (biology) artificial liver.
The beneficial effects of the utility model:
1, adopted the form of dividing jar on the structure, reduced because bubble eruption is cultivated hepatocellular influence to quilt.
2, the application of bicirculating circulation style of culture fluid and exchange column has been avoided being contacted with the direct of blood samples of patients/blood plasma by the cultivation hepatocyte, makes that being cultivated hepatocyte can avoid the immune influence of patient again when can obtaining better oxygen supply and nutrient substance.
3, the dead cell that comes off from carrier can be discharged culture tank in time, has avoided the aggregation of harmful substance in bioreactor.
4, can be adjusted easily as required by the total amount of cultured cell, amplify easily or dwindle.Particularly when patient's liver being carried out have the quilt of replacing to cultivate the hepatocyte demand in the external supporting process, easy to operate.
When this utility model was used for external hydridization (biology) artificial liver, it can bring into play artificial liver support and therapeutical effect better as core component.Particularly have when changing the biomaterial demand when Supporting Therapy's process, this minute the body structure handled easily.This utility model also can be used as breadboard research equipment, carries out cell culture experiments, cell carrier experiment and extracts cellular products.
Description of drawings
Fig. 1 is that system of the present utility model constitutes sketch map; Among the figure: 1 distribution jar; 2 main culture tank; 3 from culture tank; 4 exchange columns; 5 deforming cans; 6 waste liquid tanks; The online qualitative detection device of 7 cell states; 81,82,83,84 peristaltic pumps; 9 gases; 10 foams; 11 culture fluid; 12 blood samples of patients/blood plasma;
Fig. 2 is a distribution jar sketch map; Among the figure: 201. foam outlet joints: 202. feed tube integrated components; 203. liquid suction pipe integrated component; 204. return the liquid interface integrated component; 205. gas-adding pipe integrated component; 206. rustless steel upper end cover;
Fig. 3 is main culture tank sketch map; Among the figure: 301 dissolved oxygen meter interface integrated components; 302 thermometer boss integrated components; 303 get dead cell interface integrated component; 304pH meter interface integrated component; 305 feed liquor interface integrated components; Hanging basket integrated component on 306; 307 times hanging basket integrated components;
Fig. 4 is the cabinet scheme of installation; Among the figure: 401 place the constant water bath box position; 402 install the gas interface position; 403 place the peristaltic pump position; 404 place the exchange column position; 405 place computer location; 406 place the deforming can position; 407 place the waste liquid tank position; 408 folding supporting plates.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, distribution jar 1, main culture tank 2, form this utility model bioreactors from culture tank 3 and exchange column 4.This utility model bioreactor places a bottom to be equipped with in the vertical chassis of deflecting roller, as shown in Figure 4.Among Fig. 4, the foot of cabinet is the position 401 of placing constant water bath box.Distribution jar 1, main culture tank 2 and place from culture tank 3 in the temperature chamber of constant water bath box. Peristaltic pump 81,82,83,84 is installed on the middle part of cabinet and places peristaltic pump place 403.Exchange column 4 is installed on the middle part of cabinet and places exchange column place 404.Computer place 405 is placed on the top that computer is placed in the cabinet.Deforming can 5 is placed in the outer top, top of cabinet and places deforming can place 406.
As shown in Figure 1, link to each other with silica gel catheter between distribution jar 1 and the deforming can 5.Deforming can 5 is used to eliminate the foam 10 that produces in the distribution jar when gas 9 is dissolved in culture fluid.After foam 10 broke in deforming can 5, the culture fluid 11 of formation was compiling except that flow container 5 bottoms, and was sent back to the distribution jar under peristaltic pump 81 drives.Link to each other with silica gel catheter between distribution jar 1 and the main culture tank 2, silica gel catheter embeds in the tube seat of peristaltic pump 82 pump heads.Main culture tank 2 with between culture tank 3, link to each other with silica gel catheter.Link to each other with silica gel catheter between main culture tank 2 and the exchange column 4, silica gel catheter embeds in the tube seat of peristaltic pump 84 pump heads.Link to each other with silica gel catheter between waste liquid tank 6 and the main culture tank 2, silica gel catheter embeds in the tube seat of peristaltic pump 83 pump heads.Waste liquid tank 6 is placed in Fig. 4 cabinet lower floor and places waste liquid tank place 407.The online qualitative detection device 7 of cell state is placed on the folding supporting plate 408 at cabinet middle part.
Fig. 2 is distribution jar 1 sketch map.Distribution jar 1 tank body is the hollow cylinder shape glass jar, fixing rustless steel upper end cover 206 on distribution jar 1.Foam outlet joint 201, feed tube integrated component 202, liquid suction pipe integrated component 203 are installed, are returned liquid interface integrated component 204, gas-adding pipe integrated component 205 at this end cap upper edge circumference.
Fig. 3 is the sketch map of main culture tank 2.Main culture tank 2 tank bodies are hollow cylinder shape glass jars, at the fixing rustless steel upper end cover of main culture tank 2 upper port.Pacify dissolved oxygen meter interface integrated component 301, thermometer boss integrated component 302, get dead cell interface integrated component 303, pH meter interface integrated component 304, feed liquor interface integrated component 305 at this upper end cover upper edge circumference.In main culture tank, put into hanging basket integrated component 307 down earlier; And then put into hanging basket integrated component 306.
Operation principle of the present utility model and process such as following.
As shown in Figure 1, constitute the circulation of a culture fluid between distribution jar 1 and the main culture tank 2, in this circulation, finish regulation and control culture fluid dissolved oxygen and acid-base value.Meanwhile, form the circulation of another culture fluid between main culture tank 2 and the exchange column 4.In this circulation, finish the exchange of culture fluid and blood samples of patients/blood plasma target substance.For the oxygen dissolved and the acid-base value of culture fluid in the regulator control system, air, oxygen, carbon dioxide gas and the nitrogen gas 9 after according to certain mixed is sent in the distribution jar 1.The foam of following bubble to break to produce 10 is admitted to deforming can 5 de-bubbles.Acid-base value culture fluid 11 suitable and that be full of oxygen molecule is admitted to culture tank 2 under peristaltic pump drives.Cultivated that hepatocyte is deposited in main culture tank 2 or in culture tank 3.The online qualitative detection device 7 of cell state can be connected three way cock on the silica gel catheter and draws quantitative culture fluid and analyze by being connected to main culture tank 2 with exchange column 4.In time the reflection culture tank is interior by the state of cultured cell, and test result is passed to component computer.
Component computer will be regulated and control the physical environment of bioreactor by actuator according to detected data.Contain a cavity that is conveyed into exchange column 4 by the culture fluid 11 of cultured cell product under the driving of peristaltic pump 84, patient's blood/plasma 12 is sent into the another one cavity.Carry out two-way mass exchange by semipermeable membrane here.The dead cell that comes off from carrier in the culture tank can enter waste liquid tank 6 avoids forming pollutant in culture tank aggregation under the driving of peristaltic pump 81.

Claims (4)

1、一种生物反应器,包括配气罐[1]、细胞培养罐、交换柱[4]、废液罐[6],其特征在于:还包括除泡罐[5]、恒温水浴箱、蠕动泵[8],细胞培养罐包括主培养罐[2]和从培养罐[3]、计算机、交换柱[4]和细胞状态在线定性检测装置[7];恒温水浴箱放置在底部装有转向轮的立式机箱内的最下部,配气罐[1]、主培养罐[2]和从培养罐[3]置于恒温水浴箱的恒温槽内,机箱的中部放置蠕动泵[81]、[82]、[83]、[84]和交换柱[4],机箱内上部放置计算机,机箱外的顶部放置除泡罐[5];配气罐[1]与除泡罐[5]之间用硅胶导管相连,并装有蠕动泵[81];配气罐[1]与主培养罐[2]之间用硅胶导管相连,并装有蠕动泵[82];主培养罐[2]与从培养罐[3]之间用硅胶导管相连;主培养罐[2]与交换柱[4]之间用硅胶导管相连,并装有蠕动泵[84];废液罐[6]与主培养罐[2]之间用硅胶导管相连,并装有蠕动泵[83];硅胶导管嵌入蠕动泵[81]、[82]、[83]、[84]泵头的管槽内。1. A bioreactor, including a gas distribution tank [1], a cell culture tank, an exchange column [4], and a waste liquid tank [6], characterized in that it also includes a bubble removal tank [5], a constant temperature water bath, Peristaltic pump [8], cell culture tank includes main culture tank [2] and slave culture tank [3], computer, exchange column [4] and cell state online qualitative detection device [7]; The bottom part of the vertical chassis of the steering wheel, the gas distribution tank [1], the main culture tank [2] and the slave culture tank [3] are placed in the constant temperature tank of the constant temperature water bath, and the middle part of the chassis is placed The peristaltic pump [81] . They are connected with silicone catheters and equipped with peristaltic pumps [81]; gas distribution tanks [1] and main culture tanks [2] are connected with silicone catheters and equipped with peristaltic pumps [82]; main culture tanks [2] ] is connected with the secondary culture tank [3] with a silica gel conduit; the main culture tank [2] is connected with the exchange column [4] with a silica gel conduit, and is equipped with a peristaltic pump [84]; the waste liquid tank [6] is connected with the The main culture tanks [2] are connected with silicone conduits and equipped with peristaltic pumps [83]; the silicone conduits are embedded in the pipe grooves of the pump heads of the peristaltic pumps [81], [82], [83], [84]. 2、按照权利要求1所述的生物反应器,其特征在于:配气罐[1]上固定不锈钢上端盖[206],上端盖[206]上沿圆周安装泡沫出口接头[201]、进液管集成部件[202]、抽液接口集成部件[203]、回液接口集成部件[204]和加气管集成部件[205];在主培养罐[2]上端口固定不锈钢上端盖,在此上端盖上沿圆周安放溶氧计集成部件[301]、温度计接口集成部件[302]、取死细胞接口集成部件[303]、pH计接口集成部件[304]、进液接口集成部件[305],主培养罐[2]内底部为下吊篮集成部件[307],下吊篮集成部件[307]之上为上吊篮集成部件[306]。2. The bioreactor according to claim 1, characterized in that: the gas distribution tank [1] is fixed with a stainless steel upper end cover [206], and the upper end cover [206] is equipped with a foam outlet joint [201] along the circumference, a liquid inlet Pipe integrated parts [202], liquid pumping interface integrated parts [203], liquid return interface integrated parts [204] and gas pipe integrated parts [205]; the stainless steel upper end cover is fixed on the upper port of the main culture tank [2]. Place the dissolved oxygen meter integrated part [301], the thermometer interface integrated part [302], the dead cell removal interface integrated part [303], the pH meter interface integrated part [304], the liquid inlet interface integrated part [305] along the circumference of the cover, The bottom of the main culture tank [2] is the lower hanging basket integrated part [307], and the lower hanging basket integrated part [307] is the upper hanging basket integrated part [306]. 3、按照权利要求1所述的生物反应器,其特征在于:所述的恒温水浴箱亦可用带有温控器的电热丝包裹在罐体外部替代。3. The bioreactor according to claim 1, characterized in that: the constant temperature water bath can also be replaced by wrapping an electric heating wire with a temperature controller on the outside of the tank. 4、如权利要求1或3所述的生物反应器,其特征在于:使用恒温水浴箱时,配气罐[1]和培养罐[2]、[3]的罐体用对肝细胞无毒副作用的一次性塑料制成;使用带有温控器的电热丝包裹在罐体外部达到恒温目的时,配气罐[1]和培养罐[2]、[3]的罐体制作材料为硼硅玻璃。4. The bioreactor according to claim 1 or 3, characterized in that: when using a constant temperature water bath, the gas tank [1] and the culture tank [2], [3] are non-toxic to liver cells. It is made of disposable plastic with side effects; when the electric heating wire with a temperature controller is used to wrap the outside of the tank to achieve constant temperature, the tank body of the gas distribution tank [1] and culture tank [2], [3] is made of boron Silicon glass.
CN 200420121031 2004-12-30 2004-12-30 Biological reactor Expired - Fee Related CN2761164Y (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101837151A (en) * 2010-03-19 2010-09-22 南方医科大学珠江医院 Two-way filling type bioreactor control system and method
CN101724557B (en) * 2009-12-11 2012-05-30 南开大学 Polysaccharide composite stent perfusion type liver cell reactor system for use in medicament-induced hepatotoxicity evaluation
CN104147652A (en) * 2014-08-01 2014-11-19 周平 Bio-artificial liver system
CN104147651A (en) * 2014-08-01 2014-11-19 周平 Hemoperfusion bio-artificial liver system
CN105255731A (en) * 2015-11-02 2016-01-20 南方医科大学珠江医院 Circulation filling type cell culture system and bioreactor of circulation filling type cell culture system
CN106701542A (en) * 2017-03-22 2017-05-24 洛阳师范学院 Multifunctional culture device for bacteria biofilm
CN110106084A (en) * 2019-05-17 2019-08-09 西南交通大学 Cell culture apparatus and the method for making culture medium hydrogen-rich
CN110358683A (en) * 2019-07-25 2019-10-22 中国科学院电工研究所 A kind of bioreactor automatic control device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101724557B (en) * 2009-12-11 2012-05-30 南开大学 Polysaccharide composite stent perfusion type liver cell reactor system for use in medicament-induced hepatotoxicity evaluation
CN101837151A (en) * 2010-03-19 2010-09-22 南方医科大学珠江医院 Two-way filling type bioreactor control system and method
CN101837151B (en) * 2010-03-19 2012-07-04 南方医科大学珠江医院 Two-way filling type bioreactor control system and method
CN104147652A (en) * 2014-08-01 2014-11-19 周平 Bio-artificial liver system
CN104147651A (en) * 2014-08-01 2014-11-19 周平 Hemoperfusion bio-artificial liver system
CN104147652B (en) * 2014-08-01 2017-04-12 武汉仝干医疗科技股份有限公司 Bio-artificial liver system
CN105255731A (en) * 2015-11-02 2016-01-20 南方医科大学珠江医院 Circulation filling type cell culture system and bioreactor of circulation filling type cell culture system
CN106701542A (en) * 2017-03-22 2017-05-24 洛阳师范学院 Multifunctional culture device for bacteria biofilm
CN110106084A (en) * 2019-05-17 2019-08-09 西南交通大学 Cell culture apparatus and the method for making culture medium hydrogen-rich
CN110358683A (en) * 2019-07-25 2019-10-22 中国科学院电工研究所 A kind of bioreactor automatic control device
CN110358683B (en) * 2019-07-25 2022-04-26 中国科学院电工研究所 A bioreactor automatic control device

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