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    • 3. 发明专利
    • Device and microchip for sorting particles
    • 用于分选颗粒的装置和微型计算机
    • JP2010190680A
    • 2010-09-02
    • JP2009034337
    • 2009-02-17
    • Sony Corpソニー株式会社
    • SHINODA MASATAKA
    • G01N15/14B01J19/00C12M1/34G01N37/00
    • G01N15/1404B01L3/0268B01L3/502746B01L3/502761B01L3/502776B01L2400/0433B01L2400/0487G01N15/1434G01N15/1459G01N15/1484G01N27/44743G01N27/44791G01N2015/1006G01N2015/1081G01N2015/1409G01N2015/1422G01N2015/1481G01N2015/1488G01N2015/149Y10T137/8158
    • PROBLEM TO BE SOLVED: To provide a sorting device capable of high-speed analysis and sorting with safety, high speed, and low cost, by precluding cross-contamination between samples, contamination of samples, biohazard to the users, an expensive flow cell and an expensive orifice part, and fine adjustment work for the flow cell and the orifice. SOLUTION: The device (A) for sorting particles is provided with a microchip 1 in which a flow channel 11 through which liquid contanning particles is flown and an orifice 12 for discharging the liquid flowing through the flow channel 11 to a space outside the chip are provided, a vibratory element 2 for making and ejecting a droplet of the liquid at the orifice 12, a charging means for giving charge to the ejected droplet D, an optical detecting means 3 for detecting an optical characteristic of the particles flowing through the flow channel 11, paired electrodes 4, 4 arranged along the direction of movement of the ejected droplet D and opposed with the moving droplet D therebetween, and two or more vessels for collecting the droplet D passing between the paired electrodes 4, 4. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供能够以安全性,高速度和低成本进行高速分析和分选的分选装置,通过排除样品之间的交叉污染,样品污染,对用户的生物危害,昂贵的 流动池和昂贵的孔部分,以及用于流动池和孔的微调工作。 解决方案:用于分选颗粒的装置(A)设置有微芯片1,其中流动有液体相对颗粒的流动通道11和用于将流过流动通道11的液体排出到外部空间的孔口12 提供了芯片,用于在孔口12处制造和喷射液体的振动元件2,向喷射的液滴D充电的充电装置,用于检测流过的颗粒的光学特性的光学检测装置3 流动通道11,沿着喷射液滴D的移动方向布置并与其间的移动液滴D相对配置的成对电极4,4以及用于收集通过成对电极4,4之间的液滴D的两个或更多个容器。 P>版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Light scattering type counter for floating particles
    • 用于浮选颗粒的光散射型计数器
    • JPS58178241A
    • 1983-10-19
    • JP6067982
    • 1982-04-12
    • Rion Co Ltd
    • HOSHINA TAMIO
    • G01N15/14
    • G01N15/0205G01N2001/2223G01N2015/1422
    • PURPOSE:To increase an amount of measured sample per unit space by a counter wherein a simple means for charging and focusing of the electric field is provided and aerosol is caused to pass through the means. CONSTITUTION:At the time when aerosol introduced from an inlet 11b passes through the corona discharge region produced by a needle electrode 12 and a corona discharge electrode 13, negative ions deposite onto particles in the aerosol so that the particles are charged with negative polarity. These charged particles pass then through electric field focusing electrodes 15, 17 where they undergo a focusing force to be moved toward the axial center of a passing flow. More specifically, those particles locating at the point P and going to move in the direction of A undergo a combined force of a coulomb force and an air current at the point D, so that they move toward the axial center C following the illustrated path. Similarly, those particles going to move from the point P' in the direction of B are focused toward the axial center. Thus, since the particles in the aerosol discharging through an outlet 17a are focused near the axial center, it is required for a light beam irradiating the aerosol to have a width enough to irradiate the axial center part. As a result, it becomes possible to increase the nozzle size using the prior optical system.
    • 目的:通过计数器增加每单位空间的测量样本量,其中提供用于充电和聚焦电场的简单装置并使气溶胶通过该装置。 构成:当从入口11b引入的气溶通过由针状电极12和电晕放电电极13产生的电晕放电区域时,负离子沉积在气溶胶中的颗粒上,使得颗粒以负极性充电。 这些带电粒子然后通过电场聚焦电极15,17,在那里它们经受聚焦力以朝向通过流动的轴向中心移动。 更具体地说,位于点P并且沿着A方向移动的那些颗粒在点D处经受库伦力和气流的组合力,使得它们沿着图示的路径朝着轴心C移动。 类似地,从点P'向B方向移动的那些粒子朝向轴心集中。 因此,由于通过出口17a排出的气溶胶中的颗粒在轴心附近聚焦,所以需要照射气溶胶的光束具有足以照射轴向中心部分的宽度。 结果,可以使用现有的光学系统来增加喷嘴尺寸。