Heat-transfer resistance based analysis bioparticles
    58.
    发明授权
    Heat-transfer resistance based analysis bioparticles 有权
    基于传热电阻的分析生物颗粒

    公开(公告)号:US09228970B2

    公开(公告)日:2016-01-05

    申请号:US13991227

    申请日:2011-11-25

    摘要: A method an system is disclosed for characterizing DNA and/or RNA duplexes. The biosensing device comprises a heating element using a power and being suitable for providing thermal denaturation of target DNA and/or RNA bioparticles, a sample holder adapted for receiving a biocompatible substrate having a functionalized surface which is coated with probe DNA and/or RNA whereto target DNA and/or RNA duplexes can be attached, the sample holder further being adapted for exposing the biocompatible substrate at one side to the heating element, a first temperature sensing element for sensing a temperature at the side where the biocompatible substrate can be exposed to the heating element and a second temperature sensing element for sensing a temperature at the side opposite thereto with respect to the biocompatible substrate. The device also comprises a processing means programmed for calculating at least one heat transfer resistivity value based on temperature values obtained with the first temperature sensing element and the second temperature sensing element and the power for the heating element, for deriving a characteristic of the target DNA and/or RNA bioparticles from said heat transfer resistivity value.

    摘要翻译: 公开了用于表征DNA和/或RNA双链体的方法。 生物传感装置包括使用功率并适合于提供靶DNA和/或RNA生物颗粒的热变性的加热元件,适于接收生物相容性底物的样品保持器,其具有涂覆有探针DNA和/或RNA的官能化表面, 可以连接靶DNA和/或RNA双链体,样品保持器还适于将一侧的生物相容性基底暴露于加热元件,第一温度感测元件,用于感测生物相容性基底可以暴露于的一侧的温度 加热元件和第二温度感测元件,用于感测与生物相容性基底相对的一侧的温度。 该装置还包括一个处理装置,其被编程用于基于用第一温度感测元件和第二温度感测元件获得的温度值和加热元件的功率来计算至少一个传热电阻率值,用于导出靶DNA的特征 和/或RNA生物颗粒从所述传热电阻率值。

    Automatic isothermal titration microcalorimeter apparatus and method of use
    59.
    发明授权
    Automatic isothermal titration microcalorimeter apparatus and method of use 有权
    自动等温滴定微量热仪的使用方法

    公开(公告)号:US09103782B2

    公开(公告)日:2015-08-11

    申请号:US12326300

    申请日:2008-12-02

    摘要: Automated isothermal titration micro calorimetry (ITC) system comprising a micro calorimeter with a sample cell and a reference cell, the sample cell is accessible via a sample cell stem and the reference cell is accessible via a reference cell stem. The system further comprises an automatic pipette assembly comprising a syringe with a titration needle arranged to be inserted into the sample cell for supplying titrant, the pipette assembly comprises an activator for driving a plunger in the syringe, a pipette translation unit supporting the pipette assembly and being arranged to place pipette in position for titration, washing and filling operations, a wash station for the titrant needle, and a cell preparation unit arranged to perform operations for replacing the sample liquid in the sample cell when the pipette is placed in another position than the position for titration.

    摘要翻译: 自动等温滴定微量热法(ITC)系统,其包括具有样品池和参比细胞的微量热计,样品池可通过样品细胞茎进行,参考细胞可通过参考细胞茎进入。 所述系统还包括自动移液管组件,其包括具有滴定针的注射器,所述滴定针被布置成插入到所述样品池中用于供应滴定剂,所述移液管组件包括用于驱动所述注射器中的柱塞的活化剂,支持所述移液管组件的移液管平移单元, 布置成将移液管放置在适当位置用于滴定,洗涤和灌装操作,用于滴定针的洗涤台,以及细胞制备单元,其被配置为当移液管放置在另一位置时执行替换样品池中的样品液体的操作, 滴定的位置。

    Biosensor Using Impedimetric Real-Time Monitoring
    60.
    发明申请
    Biosensor Using Impedimetric Real-Time Monitoring 有权
    使用Impedimetric实时监测的生物传感器

    公开(公告)号:US20150219584A1

    公开(公告)日:2015-08-06

    申请号:US14567792

    申请日:2014-12-11

    IPC分类号: G01N27/327 G05B15/02 B01L3/00

    摘要: A method an system is disclosed for the detection and/or allocation of at least one point mutation in target DNA and/or RNA duplexes. The method comprises obtaining a functionalized surface which is coated with probe DNA and/or RNA whereto target DNA and/or RNA duplexes are attached, contacting said functionalized surface to an electrolytic solution having a neutral pH in a flow cell and measuring a first impedance value within said electrolytic solution, and then adding a chemical to the electrolytic solution which is able to achieve denaturation of the target DNA and/or RNA. The method further comprises measuring a second impedance value within the flow cell after completion of the denaturation of the DNA and/or RNA target, and then obtaining a value representative for the impact of the chemical on the impedance of the electrolytic solution. The amount and/or allocation of point mutation(s) within the target DNA and/or RNA is then determined by calculating the denaturation-time constant based on the difference between the first and second impedance value and taking into account the impact of the chemical by third impedance value.

    摘要翻译: 公开了用于检测和/或分配靶DNA和/或RNA双链体中的至少一个点突变的方法。 所述方法包括获得涂覆有靶DNA和/或RNA双链体的探针DNA和/或RNA的功能化表面,使所述功能化表面与流动池中具有中性pH的电解溶液接触并测量第一阻抗值 在所述电解液中,然后向能够实现靶DNA和/或RNA变性的电解液中加入化学物质。 该方法还包括在完成DNA和/或RNA靶变性后测量流动池内的第二阻抗值,然后获得代表该化学物质对电解溶液阻抗的影响的值。 然后通过基于第一和第二阻抗值之间的差异计算变性 - 时间常数并考虑到化学品的影响来确定靶DNA和/或RNA内的点突变的量和/或分配 通过第三阻抗值。