WO2014205953A1 - 自由流电泳分离腔排气装置及其实施方法 - Google Patents

自由流电泳分离腔排气装置及其实施方法 Download PDF

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Publication number
WO2014205953A1
WO2014205953A1 PCT/CN2013/084948 CN2013084948W WO2014205953A1 WO 2014205953 A1 WO2014205953 A1 WO 2014205953A1 CN 2013084948 W CN2013084948 W CN 2013084948W WO 2014205953 A1 WO2014205953 A1 WO 2014205953A1
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buffer
liquid
separation
separation chamber
gas
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PCT/CN2013/084948
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English (en)
French (fr)
Inventor
曹成喜
颜健
孔凡志
杨成章
樊柳荫
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上海交通大学
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Publication of WO2014205953A1 publication Critical patent/WO2014205953A1/zh
Priority to US14/979,623 priority Critical patent/US20160109405A1/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416Systems
    • G01N27/447Systems using electrophoresis
    • G01N27/44704Details; Accessories
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416Systems
    • G01N27/447Systems using electrophoresis
    • G01N27/44756Apparatus specially adapted therefor
    • G01N27/44769Continuous electrophoresis, i.e. the sample being continuously introduced, e.g. free flow electrophoresis [FFE]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/0005Field flow fractionation

Definitions

  • the invention relates to the technical field of biochemical equipment, in particular to a free-flow electrophoresis separation chamber exhaust device designed by using an inflator and an implementation method thereof.
  • Free-flow electrophoresis is a full-liquid preparative bioseparation technology that has been successfully applied to the separation of organelles, proteins, peptides, amino acids, etc., and has become an important separation technology in the fields of chemical biology. Since there is no solid medium, most of the water is used. Therefore, for free-flow electrophoresis, the recovery rate of the sample is almost 100%. Secondly, the moderately pleasant aqueous environment makes the enzyme or cells in the purification process. The biological activity is retained, and the entire electrophoresis is a continuous process, so free-flow electrophoresis can be used for preparation, and its flux is even higher than that of preparative chromatography.
  • Electrophoretic separation technology has the advantages of high efficiency, simple operation, good resolution, mild separation environment, high recovery rate, etc. This technology is considered to be one of the most promising separation technologies.
  • the development of free-flow electrophoresis technology has three basic separation modes: free-flow zone electrophoresis, free-flow isokinetic electrophoresis, free-flow isoelectric focusing electrophoresis.
  • the free-flow electrophoresis separation chamber is an important component in free-flow electrophoresis, and is generally formed by superposing an upper cover, a conductive film having a rectangular hole in the middle, and a lower cover. Therefore, the separation chamber has a thin cuboid shape, and at the same time, there are a liquid inlet and a liquid outlet at both ends of the separation chamber.
  • the buffer When separating the sample in the separation chamber, the buffer must fill the entire separation chamber to ensure that there is no gas in the separation chamber, and then the buffer and sample slowly flow through the separation chamber driven by the peristaltic pump. At the same time, the charged sample is separated by the addition of an electric field to both sides of the separation chamber.
  • it is necessary to adjust the separation chamber placement angle before and after the use and it is a very troublesome process to repeatedly adjust the air in the separation chamber before and after, and to adjust the air in the separation chamber.
  • the present invention is directed to the above-mentioned deficiencies of the prior art, and provides a free-flow electrophoresis separation chamber exhaust device and an implementation method thereof.
  • the present invention is not only practical and simple, but also easy to operate, and the air in the separation chamber can be easily drained.
  • the free-flow electrophoresis separation chamber venting device of the present invention is realized by the following technical solutions, and the invention comprises a buffer liquid storage bottle, a buffer pump, a manual inflation tube, a hose clamp, a rubber hose, and a gas-liquid buffer separation device.
  • the self-balancing recovery device, the separation chamber casing and the separation chamber, the inlet of the buffer pump is connected to the buffer liquid storage bottle through a connecting pipe, and the upper end surface of the gas-liquid buffer separation device is provided with a gas-liquid buffer separation device air inlet and a gas-liquid buffer a liquid inlet of the separation device, the lower end surface of the gas-liquid buffer separation device is provided with a plurality of liquid-liquid buffer separation device liquid outlets;
  • the separation chamber casing is composed of an upper cover plate of the separation chamber, an ion membrane and an outer wall surface of the lower cover of the separation chamber, the separation chamber
  • the upper surface of the separation chamber, the ion membrane and the inner wall surface of the lower cover of the separation chamber respectively have a buffer inlet and a buffer outlet at two ends of the separation chamber;
  • the outlet of the buffer pump passes through the connection tube and the gas-liquid buffer separation device
  • the liquid inlet is connected, and the outlet of the manual inflation tube is connected to the air inlet of the gas-liquid buffer separation device
  • a waste liquid recovery bottle and a recovery three-way valve are further included, and a recycling is installed on each connecting pipe between the buffer outlet and the self-balancing recovery device.
  • the three-way valve, the three ports of the recovery three-way valve are respectively connected to the buffer outlet, the self-balancing recovery device, and the waste liquid recovery bottle through the connecting pipe.
  • a peristaltic pump and an exhaust three-way valve are further included on each connecting pipe between the liquid outlet of the gas-liquid buffer separation device and the buffer inlet.
  • An exhaust three-way valve is installed, and three ports of the exhaust three-way valve are respectively connected to the liquid outlet of the gas-liquid buffer separation device, the buffer inlet, and one end of the peristaltic pump through the connecting tube, and the other end of the peristaltic pump is connected through the connecting tube and the buffer
  • the liquid storage bottles are connected.
  • the invention also includes an implementation method for implementing a free-flow electrophoresis separation chamber exhaust device, comprising the following steps: Step 1: Before the exhausting, the hose clamp is opened, and the gas-liquid buffer separation device is connected to the atmosphere. Open the buffer pump to pump the buffer in the buffer reservoir into the gas-liquid buffer separation device; Step 2, when the volume of the buffer in the gas-liquid buffer separation device is more than ten times the volume of the separation chamber, close the buffer The water pump, the rotary recovery three-way valve connects the separation chamber with the waste liquid recovery bottle; Step three, quickly squeezes the manual air cylinder to allow the air to quickly enter the non-liquid portion of the gas-liquid buffer separation device, and under the action of the pressure, the buffer is fast Enter the separation chamber, remove the air in the separation chamber from the buffer outlet, and let the excess buffer flow into the waste recovery bottle. Step 4: After the exhaust is completed, clamp the rubber hose with the hose clamp to make the gas The liquid buffer separation device is isolated from the atmosphere.
  • the invention Compared with the prior art, the invention has the following significant and beneficial effects: the invention has reasonable design and simple operation; It can effectively and quickly eliminate the gas in the separation chamber; the added equipment cost is low.
  • FIG. 1 is a schematic structural view of a first embodiment of a free-flow electrophoresis separation chamber exhaust device of the present invention
  • FIG. 2 is a schematic structural view of a second embodiment of a free-flow electrophoresis separation chamber exhaust device of the present invention
  • FIG. 3 is a schematic structural view of a longitudinal section of a separation chamber in the present invention.
  • Figure 4 is a three-dimensional view, a front view and a side view of the gas-liquid buffer separation device of the invention
  • a first embodiment of the present invention includes a buffer reservoir 3, a buffer pump 2, a manual inflation cylinder 1, a hose clamp 11, a rubber hose 12, and a gas.
  • the upper end surface of the gas-liquid buffer separation device 4 is provided with a gas-liquid buffer separation device air inlet 17 and a gas-liquid buffer separation device liquid inlet 18, and the lower end surface of the gas-liquid buffer separation device 4 is provided with a plurality of gas-liquid buffer separation device liquid outlets.
  • the separation chamber casing 8 is composed of a separation chamber upper cover 13, an ion membrane 14 and an outer wall surface of the separation chamber lower cover 13, and the separation chamber 16 is composed of a separation chamber upper cover 13, an ion membrane 14, and a separation chamber lower cover 13
  • the inner wall surface is formed with a buffer inlet 9 and a buffer outlet 10 at both ends of the separation chamber 16;
  • the outlet of the buffer pump 2 is connected to the gas-liquid buffer separation device liquid inlet 18 through a connection tube, and the manual inflation tube 1 is Outlet through rubber hose 12 and gas-liquid buffer Connected to the device air inlet 17, the hose clamp 11 is clamped on the rubber hose 12;
  • the gas-liquid buffer separation device liquid outlet 19 is connected to the buffer inlet 9 through the connecting pipe, and the buffer outlet 10 is recovered by the connecting pipe and the self-balancing
  • the inlets of the device 7 are coupled;
  • a recovery three-way valve 6 is mounted on each connecting pipe between the buffer outlet 10 and the self-balancing recovery device 7, and the three ports
  • the hose clamp 11 When the air is exhausted, the hose clamp 11 is opened, and then the buffer pump 2 is activated.
  • the liquid in the gas-liquid buffer separation device exceeds ten times the volume of the separation chamber 16, Closing the buffer pump 2, using the recovery three-way valve 6 to connect the separation chamber 16 with the waste liquid recovery bottle 5, and then squeezing the manual inflation cylinder 1 so that the liquid in the gas-liquid buffer separation device 4 quickly enters the separation chamber 16, thereby The air is drained; if there are small bubbles remaining in the separation chamber 16, the manual inflation cylinder 1 can be squeezed slightly and quickly to allow the flowing buffer to carry the bubbles away.
  • a second embodiment of the present invention adds a peristaltic pump 20 and an exhaust three-way valve 21 to the liquid-liquid buffer separation device liquid outlet 19 and the buffer inlet 9 in addition to the first embodiment.
  • Each of the connecting pipes is provided with an exhaust three-way valve 21, and three ports of the exhaust three-way valve 21 are respectively connected to the gas-liquid buffer separating device liquid outlet 19, the buffer inlet 9, and one end of the peristaltic pump 20 through the connecting pipe.
  • the other end of the peristaltic pump 20 is connected to the buffer reservoir 3 through a connecting tube.
  • the hose clamp 11 is opened, and the buffer pump 2 is started to the gas-liquid buffer separation device 4.
  • the buffer is added until the volume of the buffer is more than ten times the volume of the separation chamber 16, and the buffer pump 2 is turned off; then the peristaltic pump 20 is started to allow the buffer to fill the tube until the buffer inlet 9 of the separation chamber 16 has a buffer.
  • the peristaltic pump 20 is stopped, the separation chamber 16 is connected to the waste liquid recovery bottle 5 by the recovery three-way valve 6, and the gas-liquid buffer separation device 4 is connected to the separation chamber 16 by the exhaust three-way valve 21;
  • the manual inflator 1 is pressed, and the buffer in the gas-liquid buffer separation device 4 is squeezed into the separation chamber 16 to achieve the effect of the exhaust.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Peptides Or Proteins (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

一种生物化工技术领域的自由流电泳分离腔排气装置及其实施方法,排气装置包括充气筒、软管夹、橡皮软管、气液缓冲分离装置、自平衡回收装置、分离腔外壳、分离腔、废液回收瓶和回收三通阀。利用气液缓冲分离装置的储液功能,首先将大于分离腔体积十倍以上的缓冲液储积在气液缓冲分离装置中,然后通过手动充气筒,使气液缓冲分离装置内储积的缓冲液迅速进入分离腔,由于缓冲液的速度较大,能够很快充满分离腔,从而将分离腔内的空气排净。装置能够在非常短的时间内,用非常简单的操作将分离腔内的空气排出,解决了以往分离腔排气繁琐、困难的问题。装置有结构简单、成本低廉、易于操作、实用有效等优点。

Description

自由流电泳分离腔排气装置及其实施方法
技术领域
本发明涉及生物化工的装置技术领域,特别是一种采用充气筒设计的自由流电泳分 离腔排气装置及其实施方法。
背景技术
自由流电泳技术是一种全液相制备型生物分离技术, 已经成功应用于如细胞器、蛋 白质、 多肽、 氨基酸等的分离, 从而成为化学生物等领域的重要分离技术。 由于没有任 何固体介质, 所用的大多又是水相, 因此对于自由流电泳来说, 首先样品的回收率几乎 达 100 %, 其次适应性很好的温和的水相环境使得酶或者细胞在纯化过程中保留了其生 物活性, 再次整个电泳是一个连续的过程, 因此自由流电泳可以用于制备, 其通量甚至 要高于制备型色谱技术。 电泳分离技术具有效力高、 操作简单、 分辨率好、 分离环境温 和、 回收率高等优点, 该技术被认为最有前途的分离技术之一。 自由流电泳技术发展至 今, 主要有以下三种基本分离模式: 自由流区带电泳,自由流等速电泳, 自由流等电聚焦 电泳。
经过对现有技术文献的检索发现, 专利授权号为 ZL200710042306. 3, 名称为一种 基于聚丙烯酰胺凝胶膜的自由流电泳分离室的专利技术, 开发了大型、 中型、 小型的重 力自平衡自由流电泳仪。 利用该三种型号自由流电泳仪, 分别纯化了 Pseudomonas sp. M18 菌株发酵液的吩嗪 -1-羧酸 ( phenazine-l-carboxyl ic acid, PCA )、 分离了 Escherichia col i和 Staphylococcus aureus 细胞及三种蛋白、 微制备了猪胰液中胰 蛋白酶。 研究结果表明, 这种传统的分离室能够很好的应用于自由流电泳装置。 自由流 电泳分离室是自由流电泳中的重要组成部分, 一般由上盖板、 中间有长方形孔的导电薄 膜、 下盖板叠加而形成的。 所以, 分离腔呈薄长方体型, 同时在分离腔的两端分别有进 液口和出液口。 在分离腔中进行样品分离时, 缓冲液必须充满整个分离腔确保分离腔内 无任何气体, 然后在蠕动泵的驱动下缓冲液与样品缓慢流过分离腔。 同时, 由于在分离 腔两侧加有电场, 从而将带电样品分离开来。 而以往的自由流分离室, 在使用之前必须 通过调整分离腔摆放角度的方法, 前后、 左右反复调整才能将分离腔内的空气排净, 是 一个非常麻烦的过程。
发明内容 本发明针对上述现有技术的不足,提供了一种自由流电泳分离腔排气装置及其实施 方法, 本发明不但实用简单, 而且易于操作, 很容易就能把分离腔内的空气排净。
本发明的自由流电泳分离腔排气装置是通过以下技术方案来实现的,本发明包括缓 冲液储液瓶、 缓冲液泵、 手动充气筒、 软管夹、 橡皮软管、 气液缓冲分离装置、 自平衡 回收装置、 分离腔外壳和分离腔, 缓冲液泵的入口通过连接管与缓冲液储液瓶相连接, 气液缓冲分离装置的上端面带有气液缓冲分离装置空气入口和气液缓冲分离装置液体 入口, 气液缓冲分离装置的下端面带有多个气液缓冲分离装置液体出口; 分离腔外壳由 分离腔上盖板、 离子膜和分离腔下盖板的外壁面构成, 分离腔由分离腔上盖板、 离子膜 和分离腔下盖板的内壁面构成, 在分离腔的两端分别有缓冲液入口和缓冲液出口; 缓冲 液泵的出口通过连接管与气液缓冲分离装置液体入口相连接,手动充气筒的出口通过橡 皮软管与气液缓冲分离装置空气入口相连接, 软管夹夹在橡皮软管上; 气液缓冲分离装 置液体出口通过连接管与缓冲液入口相连接,缓冲液出口通过连接管与自平衡回收装置 的入口相联接。
进一步地, 在本发明的自由流电泳分离腔排气装置中, 还包括废液回收瓶和回收三 通阀, 在缓冲液出口与自平衡回收装置之间的每个连接管上均安装一个回收三通阀, 回 收三通阀的三个端口通过连接管分别与缓冲液出口、 自平衡回收装置、 废液回收瓶相连 接。
更进一步地, 在本发明的自由流电泳分离腔排气装置中, 还包括蠕动泵和排气三通 阀,在气液缓冲分离装置液体出口与缓冲液入口之间的每个连接管上均安装一个排气三 通阀,排气三通阀三个端口通过连接管分别与气液缓冲分离装置液体出口、缓冲液入口、 蠕动泵的一端相连接, 蠕动泵的另一端通过连接管与缓冲液储液瓶相连接。
本发明还包括一种实施自由流电泳分离腔排气装置的实施方法, 包括如下步骤: 步 骤一, 在进行排气之前, 使软管夹处于打开状态, 让气液缓冲分离装置与大气连通, 开 启缓冲液泵将缓冲液储液瓶中的缓冲液泵入气液缓冲分离装置中; 步骤二, 当气液缓冲 分离装置中的缓冲液体积为分离腔体积的十倍以上时, 关闭缓冲液水泵, 旋转回收三通 阀将分离腔与废液回收瓶连通; 步骤三, 迅速挤压手动充气筒, 让空气快速进入气液缓 冲分离装置的非液体部分, 在压力的作用下, 缓冲液快速进入分离腔, 将分离腔内的空 气从缓冲液出口排除, 并使多余的缓冲液流入废液回收瓶中; 步骤四, 排气完成后, 利 用软管夹将橡皮软管夹紧, 使气液缓冲分离装置与大气隔绝。
与现有技术相比,本发明具有以下显著和有益的效果:本发明设计合理,操作简单; 能有效迅速地排除分离腔内的气体; 增加的设备成本低。
附图说明
图 1为本发明自由流电泳分离腔排气装置第一个实施例的结构示意图;
图 2为本发明自由流电泳分离腔排气装置第二个实施例的结构示意图;
图 3为本发明中分离腔纵向剖面的结构示意图;
图 4为发明中气液缓冲分离装置的三维图、 正视图和侧视图;
其中: 1、 手动充气筒, 2、 缓冲液泵, 3、 缓冲液储液瓶, 4、 气液缓冲分离装置, 5、 废液回收瓶, 6、 回收三通阀, 7、 自平衡回收装置, 8、 分离腔外壳, 9、 缓冲液入 口, 10、 缓冲液出口, 11、 软管夹, 12、 橡皮软管, 13、 分离腔上盖板, 14、 离子膜, 15、 陶瓷板, 16、 分离腔, 17、 气液缓冲分离装置空气入口, 18、 气液缓冲分离装置液 体入口, 19、 气液缓冲分离装置液体出口, 20、 蠕动泵, 21、 排气三通阀。
具体实施方式
下面结合附图对本发明的实施例作详细说明, 本实施例以本发明技术方案为前提, 给出了详细的实施方式和具体的操作过程, 但本发明的保护范围不限于下述的实施例。
实施例
本发明的第一个实施例如图 1、 图 3和图 4所示, 本发明包括缓冲液储液瓶 3、 缓 冲液泵 2、 手动充气筒 1、 软管夹 11、 橡皮软管 12、 气液缓冲分离装置 4、 自平衡回收 装置 7、 分离腔外壳 8、 分离腔 16、 废液回收瓶 5和回收三通阀 6, 缓冲液泵 2的入口 通过连接管与缓冲液储液瓶 3相连接,气液缓冲分离装置 4的上端面带有气液缓冲分离 装置空气入口 17和气液缓冲分离装置液体入口 18, 气液缓冲分离装置 4的下端面带有 多个气液缓冲分离装置液体出口 19; 分离腔外壳 8由分离腔上盖板 13、 离子膜 14和分 离腔下盖板 13的外壁面构成, 分离腔 16由分离腔上盖板 13、 离子膜 14和分离腔下盖 板 13的内壁面构成,在分离腔 16的两端分别有缓冲液入口 9和缓冲液出口 10; 缓冲液 泵 2的出口通过连接管与气液缓冲分离装置液体入口 18相连接, 手动充气筒 1的出口 通过橡皮软管 12与气液缓冲分离装置空气入口 17相连接, 软管夹 11夹在橡皮软管 12 上; 气液缓冲分离装置液体出口 19通过连接管与缓冲液入口 9相连接, 缓冲液出口 10 通过连接管与自平衡回收装置 7的入口相联接; 在缓冲液出口 10与自平衡回收装置 7 之间的每个连接管上均安装一个回收三通阀 6, 回收三通阀 6的三个端口通过连接管分 别与缓冲液出口 10、 自平衡回收装置 7、 废液回收瓶 5相连接。 排气时将软管夹 11打 开, 然后启动缓冲液泵 2, 当气液缓冲分离装置中的液体超过分离腔 16体积的十倍时, 关闭缓冲液泵 2,利用回收三通阀 6将分离腔 16与废液回收瓶 5相连通,然后挤压手动 充气筒 1使得气液缓冲分离装置 4中的液体迅速进入分离腔 16内, 从而将空气排净; 如果分离腔 16内有残留的小气泡, 可以小幅快速的挤压手动充气筒 1让流动的缓冲液 将气泡带走。
本发明的第二个实施例如图 2所示, 在第一实施例的基础上又增加了蠕动泵 20和 排气三通阀 21, 在气液缓冲分离装置液体出口 19与缓冲液入口 9之间的每个连接管上 均安装一个排气三通阀 21, 排气三通阀 21三个端口通过连接管分别与气液缓冲分离装 置液体出口 19、 缓冲液入口 9、 蠕动泵 20的一端相连接, 蠕动泵 20的另一端通过连接 管与缓冲液储液瓶 3相连接。在排气时,首先利用排气三通阀 21使气液缓冲分离装置 4 的液体出口 19与分离腔 16相隔断,打开软管夹 11,启动缓冲液泵 2往气液缓冲分离装 置 4中加入缓冲液,直至其缓冲液体积大于分离腔 16体积的十倍以上,关闭缓冲液泵 2; 而后再启动蠕动泵 20让缓冲液填满管道, 直到分离腔 16的缓冲液入口 9出现缓冲液, 停止蠕动泵 20, 利用回收三通阀 6将分离腔 16与废液回收瓶 5相连通, 再利用排气三 通阀 21将气液缓冲分离装置 4与分离腔 16相连通; 最后迅速挤压手动充气筒 1, 将气 液缓冲液分离装置 4中的缓冲液挤入分离腔 16中, 达到排气的效果。

Claims

权 利 要 求 书
1、 一种自由流电泳分离腔排气装置, 包括缓冲液储液瓶 (3) 和缓冲液泵 (2), 缓 冲液泵 (2) 的入口通过连接管与缓冲液储液瓶 (3) 相连接, 其特征在于, 还包括手动 充气筒 (1 )、 软管夹 (11 )、 橡皮软管 (12)、 气液缓冲分离装置 (4)、 自平衡回收装置
( 7)、 分离腔外壳 (8) 和分离腔 (16 ), 气液缓冲分离装置 (4) 的上端面带有气液缓 冲分离装置空气入口 (17)和气液缓冲分离装置液体入口 (18), 气液缓冲分离装置(4) 的下端面带有多个气液缓冲分离装置液体出口 (19); 分离腔外壳(8) 由分离腔上盖板
( 13)、 离子膜(14)和分离腔下盖板 (13 ) 的外壁面构成, 分离腔 (16) 由分离腔上盖 板 (13 )、 离子膜(14)和分离腔下盖板 (13) 的内壁面构成, 在分离腔 (16 ) 的两端分 别有缓冲液入口 (9) 和缓冲液出口 (10); 缓冲液泵 (2) 的出口通过连接管与气液缓 冲分离装置液体入口 (18) 相连接, 手动充气筒 (1 ) 的出口通过橡皮软管 (12 ) 与气 液缓冲分离装置空气入口 (17) 相连接, 软管夹 (11 )夹在橡皮软管 (12) 上; 气液缓 冲分离装置液体出口 (19) 通过连接管与缓冲液入口 (9) 相连接, 缓冲液出口 (10) 通过连接管与自平衡回收装置 (7) 的入口相联接。
2、 根据权利要求 1所述的自由流电泳分离腔排气装置, 其特征在于, 还包括废液 回收瓶 (5) 和回收三通阀 (6), 在缓冲液出口 (10) 与自平衡回收装置 (7) 之间的每 个连接管上均安装一个回收三通阀 (6 ), 回收三通阀 (6) 的三个端口通过连接管分别 与缓冲液出口 (10)、 自平衡回收装置 (7)、 废液回收瓶 (5) 相连接。
3、 根据权利要求 1所述的自由流电泳分离腔排气装置, 其特征在于, 还包括蠕动 泵 (20) 和排气三通阀 (21 ), 在气液缓冲分离装置液体出口 (19) 与缓冲液入口 (9) 之间的每个连接管上均安装一个排气三通阀 (21 ), 排气三通阀 (21 ) 三个端口通过连 接管分别与气液缓冲分离装置液体出口 (19)、 缓冲液入口 (9)、 蠕动泵 (20) 的一端 相连接, 蠕动泵 (20) 的另一端通过连接管与缓冲液储液瓶 (3) 相连接。
4、 一种实施权利要求 2所述自由流电泳分离腔排气装置的实施方法, 其特征在于, 包括如下步骤: 步骤一, 在进行排气之前, 使软管夹 (11 ) 处于打开状态, 让气液缓冲 分离装置 (4) 与大气连通, 开启缓冲液泵 (2) 将缓冲液储液瓶 (3) 中的缓冲液泵入 气液缓冲分离装置 (4) 中; 步骤二, 当气液缓冲分离装置 (4) 中的缓冲液体积为分离 腔(16)体积的十倍以上时, 关闭缓冲液水泵(2), 利用软管夹(11 )将橡皮软管(12) 夹紧, 旋转回收三通阀 (6) 将分离腔 (16) 与废液回收瓶 (5 )连通; 步骤三, 迅速挤 压手动充气筒 (1 ), 让空气快速进入气液缓冲分离装置 (4) 的非液体部分, 在压力的 作用下, 缓冲液快速进入分离腔 (16 ), 将分离腔 (16) 内的空气从缓冲液出口 (10) 排除, 并使多余的缓冲液流入废液回收瓶 (5 ) 中; 步骤四, 排气完成后, 利用软管夹 (11)将橡皮软管(12)夹紧, 使气液缓冲分离装置 (4)与大气隔绝。
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