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    • 1. 发明授权
    • Device for preparation of liposomes and method thereof
    • 脂质体制备装置及其制备方法
    • US08932498B2
    • 2015-01-13
    • US12870693
    • 2010-08-27
    • JA-An HoYeh-Chun Lin
    • JA-An HoYeh-Chun Lin
    • A61K9/127B01J8/00B01J13/04B01J13/12
    • A61K9/127A61K9/1277B01J13/04B01J13/125
    • Disclosed is a device for preparation of liposomes, comprises a reaction tank and an infusion unit. The reaction tank comprises a collector mounted in a predetermined position of the reaction tank; Two inlet ports are included: the first inlet port for infusing an aqueous solution; and the second inlet port for infusing an organic solution. The infusion unit can introduce a bioactive agent containing-aqueous solution into the reaction tank. The infusion unit comprises a filter connected to one end of the infusion unit and being adjacent to the collector. The method using the device comprises the steps of infusing an aqueous solution and an organic solution into the reaction tank of the device and thus forming an interface between the filter and the collector; infusing a bioactive agent containing-aqueous solution and being filtered by the filter, the bioactive agent is encapsulated to form a water-in-oil emulsion; the water-in-oil emulsion is passing through the aqueous solution and thus to form a water-in-oil-in-water double emulsion. Finally the removal of the organic phase of water-in-oil-in-water double emulsion enables the harvest a plurality of liposomes. It has advantages such that simple-used and automation production. Thus nano size or sub-micro size liposomes can be prepared with high encapsulation efficiency without sonicators or delicate microfluidic systems.
    • 公开了用于制备脂质体的装置,包括反应罐和输注单元。 反应槽包括安装在反应罐的预定位置的集流器; 包括两个入口:用于注入水溶液的第一入口; 以及用于注入有机溶液的第二入口。 输液单元可以将含有水溶液的生物活性剂引入反应罐。 输注单元包括连接到输注单元的一端并且与收集器相邻的过滤器。 使用该装置的方法包括将水溶液和有机溶液注入装置的反应槽中并由此形成过滤器和收集器之间的界面的步骤; 注入含有水溶液的生物活性剂并通过过滤器过滤,将生物活性剂包封以形成油包水乳液; 油包水乳液通过水溶液,从而形成水包油包水双乳液。 最后,去除水包油包水双乳液中的有机相使得能够收获多个脂质体。 它具有简单易用和自动化生产的优点。 因此,在没有超声波清洗机或精细微流体系统的情况下,可以以高的包封效率制备纳米尺寸或亚微米尺寸的脂质体。
    • 4. 发明申请
    • Device For Preparation of Liposomes and Method Thereof
    • 脂质体制备装置及方法
    • US20110163468A1
    • 2011-07-07
    • US12870693
    • 2010-08-27
    • Ja-an HoYeh-Chun Lin
    • Ja-an HoYeh-Chun Lin
    • A61K9/127B01J8/00
    • A61K9/127A61K9/1277B01J13/04B01J13/125
    • Disclosed is a device for preparation of liposomes, comprises a reaction tank and an infusion unit. The reaction tank comprises a collector mounted in a predetermined position of the reaction tank; Two inlet ports are included: the first inlet port for infusing an aqueous solution; and the second inlet port for infusing an organic solution. The infusion unit can introduce a bioactive agent containing-aqueous solution into the reaction tank. The infusion unit comprises a filter connected to one end of the infusion unit and being adjacent to the collector. The method using the device comprises the steps of infusing an aqueous solution and an organic solution into the reaction tank of the device and thus forming an interface between the filter and the collector; infusing a bioactive agent containing-aqueous solution and being filtered by the filter, the bioactive agent is encapsulated to form a water-in-oil emulsion; the water-in-oil emulsion is passing through the aqueous solution and thus to form a water-in-oil-in-water double emulsion. Finally the removal of the organic phase of water-in-oil-in-water double emulsion enables the harvest a plurality of liposomes. It has advantages such that simple-used and automation production. Thus nano size or sub-micro size liposomes can be prepared with high encapsulation efficiency without sonicators or delicate microfluidic systems.
    • 公开了用于制备脂质体的装置,包括反应罐和输注单元。 反应槽包括安装在反应罐的预定位置的集流器; 包括两个入口:用于注入水溶液的第一入口; 以及用于注入有机溶液的第二入口。 输液单元可以将含有水溶液的生物活性剂引入反应罐。 输注单元包括连接到输注单元的一端并且与收集器相邻的过滤器。 使用该装置的方法包括将水溶液和有机溶液注入装置的反应槽中并由此形成过滤器和收集器之间的界面的步骤; 注入含有水溶液的生物活性剂并通过过滤器过滤,将生物活性剂包封以形成油包水乳液; 油包水乳液通过水溶液,从而形成水包油包水双乳液。 最后,去除水包油包水双乳液中的有机相使得能够收获多个脂质体。 它具有简单易用和自动化生产的优点。 因此,在没有超声波清洗机或精细微流体系统的情况下,可以以高的包封效率制备纳米尺寸或亚微米尺寸的脂质体。
    • 6. 发明申请
    • Detection Device of Screen-Printed Electrode With High Sensitivity
    • 具有高灵敏度的丝网印刷电极检测装置
    • US20110120889A1
    • 2011-05-26
    • US12708869
    • 2010-02-19
    • Ja-An HOWei-Ching LIAO
    • Ja-An HOWei-Ching LIAO
    • G01N27/26
    • G01N33/5438G01N27/3277G01N2333/245
    • A detection device for detecting Escherichia coli in a sample includes: an electrode coated with a metal layer, which is further bound with a first nucleic acid sequence; and a second nucleic acid sequence bound with a liposome having an electrochemical material. The second nucleic acid sequence competes with the first nucleic acid sequence for a complementary binding ability, and the liposome is broken to release the electrochemical material. Then, the release electrochemical material is determined so as to estimate whether a third nucleic acid sequence specific for E. coli exists in the sample, where the third nucleic acid sequence is complementary with the first nucleic acid sequence. A trace amount (10−15 mole) of first nucleic acid sequence can be detected using the detection device, which is has advantages of low price, speedy reaction, portability and minimization etc. and can be used for detecting other molecules.
    • 用于检测样品中的大肠杆菌的检测装置包括:涂覆有金属层的电极,其进一步与第一核酸序列结合; 和与具有电化学材料的脂质体结合的第二核酸序列。 第二核酸序列与第一核酸序列竞争互补结合能力,并且破坏脂质体以释放电化学材料。 然后,确定释放电化学材料,以便估计样品中是否存在对大肠杆菌特异性的第三核酸序列,其中第三核酸序列与第一核酸序列互补。 可以使用检测装置检测微量(10-15摩尔)的第一核酸序列,其具有价格低廉,反应速度快,携带性和最小化等优点,并且可用于检测其他分子。