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    • 3. 发明公开
    • A MICRO-VOLUME LIQUID EJECTION SYSTEM
    • MIKROVOLUMEN-FLÜSSIGKEITSAUSSTOSSSYSTEM
    • EP1811305A1
    • 2007-07-25
    • EP04797362.3
    • 2004-11-22
    • CapitalBio CorporationTsinghua University
    • WANG, DongZOU, KunYE, JianxinSUN, YeleiZHU, HuiWANG, XianhuaCHENG, Jing
    • G01N35/10B05B9/04
    • B01L3/0265B01L2400/0487B01L2400/0666Y10T436/2575
    • The present invention relates to a micro-volume liquid ejection system, including an air pressure module, a micro-ejection unit which is connected with the air pressure module by means of pipes, and a control circuit which is connected with the air pressure module and the micro-ejection unit respectively. In the present invention, due to air is used as the pressure medium, on one hand, as the sample does not contact with the pressure regulating module, the efficiency of cleaning process is improved, on the other hand, the volume of the sample needed in the sample ejecting process is only equal to the cavity-dimension of the micro-ejection unit by not need to fill the whole pipe with liquid. During the sample ejecting process, it is not need to regulate the pressure. After the sample ejecting is finished, the sample can be put into its original place, so as to greatly save the sample. The present invention is connected with the manipulator, so as to sample from the sample plate, eject sample and clean the pipes automatically, and it can also dispense a multiplicity of samples to micro-array substrate conveniently. The present invention can be used for transferring or dispensing the micro volume liquid of nL grade and L grade widely, and all kinds of the micro-volume liquid including biological liquid.
    • 微体积液体喷射系统技术领域本发明涉及一种微体积液体喷射系统,包括空气压力模块,通过管道与空气压力模块连接的微型喷射单元,以及与空气压力模块连接的控制电路, 微型喷射单元。 在本发明中,由于空气用作压力介质,一方面由于样品不与压力调节模块接触,因此提高了清洗过程的效率,另一方面,样品的体积需要 在样品喷射过程中,仅通过不需要用整个管道填充液体就等于微喷射单元的腔体尺寸。 在样品喷射过程中,不需要调节压力。 样品喷射完成后,样品可以放在原来的位置,大大节省样品。 本发明与操纵器连接,以便从样品板上取样,自动排出样品并清洁管道,并且还可以方便地将多个样品分配到微阵列基板。 本发明可广泛用于转移或分配nL级和L级微量液体,以及各种微体积液体,包括生物液体。