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    • 2. 发明授权
    • Nucleic acid amplification apparatus
    • 核酸扩增装置
    • US5725831A
    • 1998-03-10
    • US409805
    • 1995-03-24
    • Allen S. ReichlerPeter A. BourdelleRaymond F. Cracauer
    • Allen S. ReichlerPeter A. BourdelleRaymond F. Cracauer
    • C12N15/09B01L3/00B01L7/00C07H21/04C12M1/00C12M1/20C12M1/26C12Q1/68G01N33/543G01N21/03
    • B01L3/502B01L3/50273B01L7/52C12Q1/6848G01N33/54366B01L2200/027B01L2200/16B01L2300/0825B01L2300/087B01L2400/0406B01L2400/0487B01L3/5027Y10T436/143333Y10T436/2575
    • An apparatus for containing a liquid biological sample and for performing a biological process thereon comprises a sample area for receiving the sample, at least one reaction area in fluid communication with the sample area, a pneumatic area in pneumatic communication with the reaction area and the sample area, and a pneumatic port in the pneumatic area for connection of the apparatus to a pneumatic aspiration/dispensing pipette. The pneumatic aspiration/dispensing pipette provides for controlled flow of the liquid biological sample between the sample area and the reaction area. To reduce evaporative loss of the sample from the apparatus, a sample tower is provided in fluid communication with the sample area. A similar tower may be provided at the pneumatic port to reduce evaporative loss through the pneumatic area. A restricted orifice between the sample tower and the sample area holds the liquid sample in place during removal of the sample from the apparatus, counteracting the tendency of the liquid bolus to flow back toward the reaction area due to capillary forces. Also disclosed is a novel sealing arrangement which provides an effective pneumatic seal between the pneumatic port and a pneumatic aspiration/dispensing pipette without requiring the apparatus to include a separate "O" ring or other type of discrete sealing device.
    • 用于容纳液体生物样品并用于进行生物过程的装置包括用于接收样品的样品区域,与样品区域流体连通的至少一个反应区域,与反应区域和样品气动连通的气动区域 区域和气动区域中的气动端口,用于将设备连接到气动吸入/分配移液管。 气动抽吸/分液移液管提供液体生物样品在样品区域和反应区域之间的受控流动。 为了减少来自设备的样品的蒸发损失,提供与样品区域流体连通的样品塔。 可以在气动端口处设置类似的塔架,以减少通过气动区域的蒸发损失。 在样品塔和样品区域之间的限制孔口将样品从装置中取出期间将液体样本保持在适当的位置,抵消了液体弹丸由于毛细作用力朝向反应区域流动的趋势。 还公开了一种新颖的密封装置,其在气动端口和气动吸入/分配移液管之间提供有效的气动密封,而不需要该装置包括单独的“O”形环或其他类型的离散密封装置。
    • 5. 发明授权
    • System for nucleic acid based diagnostic assay
    • 基于核酸的诊断测定系统
    • US5578270A
    • 1996-11-26
    • US409821
    • 1995-03-24
    • Allen S. ReichlerDavid J. AntolMichael L. LamosPeter A. BourdelleScott D. Hildebrand
    • Allen S. ReichlerDavid J. AntolMichael L. LamosPeter A. BourdelleScott D. Hildebrand
    • G01N33/58B01L3/00C07H21/04C12M1/00C12N15/09C12Q1/68G01N35/00G01N35/02G01N35/10G01N21/05
    • B01L3/502G01N35/028G01N35/0099G01N35/109Y10T436/114998Y10T436/119163
    • An automated system is provided for carrying out nucleic acid based assays on a plurality of liquid samples with little or no intervention by a human operator. The system includes at least one reaction station adapted to hold and apply controlled amounts of heat to a plurality of reaction devices in which the liquid samples are receivable. Each of the reaction devices includes a sample area for receiving a liquid sample, a reaction area into which the liquid sample is movable to carry out a nucleic acid decontamination or amplification reaction on the sample, and a pneumatic port for allowing air to be aspirated from and dispensed into the reaction device to move the sample between the sample area and the reaction area. A robotically controlled aspiration and dispensing head is adapted to move into contact with the pneumatic ports of the reaction devices, and to aspirate air from and dispense air into the pneumatic ports of the reaction devices in order to move the liquid samples between the sample and reaction areas of the reaction devices. A programmable control system is provided for causing the robotically controlled aspiration and dispensing head to move into contact with the pneumatic ports of the reaction devices, and to aspirate air from and dispense air into the reaction devices in order to cause the desired movement of the liquid samples within the reaction devices. The robotically controlled aspiration and dispensing head is also adapted to transfer the liquid samples to and from the reaction devices using disposable pipettes, and to introduce liquid reagents into the reacted samples after the samples have been transferred from the reaction devices to separate assay devices. A robotically controlled wash head is also provided to aspirate and dispense wash fluids and reagent fluids from the assay devices.
    • 提供了一种自动化系统,用于在很少或由人类操作者干预的情况下对多个液体样品进行基于核酸的测定。 该系统包括至少一个反应站,其适于将受控量的热量保持并施加到液体样品可接收的多个反应装置中。 每个反应装置包括用于接收液体样品的样品区域,液体样品可移动到其中以对样品进行核酸去污或扩增反应的反应区域,以及用于允许从空气中吸出空气的气动端口 并分配到反应装置中以在样品区域和反应区域之间移动样品。 机器人控制的抽吸和分配头适于移动与反应装置的气动端口接触,并且将空气吸入空气并将空气分配到反应装置的气动端口中,以便在样品和反应之间移动液体样品 反应装置的区域。 提供了一种可编程控制系统,用于使机器人控制的抽吸和分配头移动到与反应装置的气动端口接触,并且将空气吸入空气并将其分配到反应装置中,以引起液体的所需运动 反应装置内的样品。 机器人控制的抽吸和分配头还适于使用一次性移液管将液体样品转移到反应装置和从反应装置转移,并且在样品已经从反应装置转移到分离的测定装置之后将液体试剂引入反应的样品中。 还提供机器人控制的洗头以从测定装置吸取和分配洗涤液和试剂流体。