Method and system for sampling and determining the presence of compounds
    12.
    发明授权
    Method and system for sampling and determining the presence of compounds 失效
    用于取样和确定化合物存在的方法和系统

    公开(公告)号:US5567623A

    公开(公告)日:1996-10-22

    申请号:US416574

    申请日:1995-04-04

    摘要: A system and method are provided for minimizing the effects of background signals in masking signals indicating the presence of substances to be detected such as contaminants in materials moving rapidly along a conveyor. The contaminants detected may include nitrogen containing compounds and hydrocarbons. The system and method of the present invention minimizes the number of falsely positive indications of the presence of such substances due to background signals and changes in background signals. The substances detected are divided into first and second sample portions and the respective portions are heated. The first heated portion is reacted with ozone to generate radiation by chemiluminescence having characteristic wavelengths related to substances in the first portion. The second portion heated is also reacted with ozone to generate radiation by chemiluminescence having characteristic wavelengths related to substances in the second portion. The radiation of the respective first and second portions is selectively detected. The heating and detecting steps are performed in a manner so as to yield a higher level of detected radiation from one of the portions of the sample then the other for at least some of the selected compounds being detected. Electrical signals from the respective first and second portions are generated and compared in order to determine the presence or absence of selected compounds in the sample. Appropriate reject signals for a bottle sorting system are generated accordingly.

    摘要翻译: 提供了一种系统和方法,用于最小化背景信号在屏蔽指示待检测物质的存在的信号中的影响,例如沿着传送器快速移动的材料中的污染物。 检测到的污染物可能包括含氮化合物和碳氢化合物。 本发明的系统和方法使得由于背景信号和背景信号的变化而导致的这种物质的存在的错误的阳性指示的数量最小化。 所检测的物质被分成第一和第二样品部分,并且各个部分被加热。 第一加热部分与臭氧反应以通过具有与第一部分中的物质相关的特征波长的化学发光产生辐射。 加热的第二部分也与臭氧反应以通过具有与第二部分中的物质相关的特征波长的化学发光产生辐射。 选择性地检测相应的第一和第二部分的辐射。 加热和检测步骤以这样的方式进行,以便从样品的一个部分产生更高水平的检测到的辐射,然后对于检测到的至少一些所选化合物产生另一个。 产生并比较来自相应的第一和第二部分的电信号,以确定样品中选定化合物的存在或不存在。 相应地生成用于瓶分选系统的适当拒绝信号。

    Method and system for sampling and determining the presence of compounds
    13.
    发明授权
    Method and system for sampling and determining the presence of compounds 失效
    用于取样和确定化合物存在的方法和系统

    公开(公告)号:US5561068A

    公开(公告)日:1996-10-01

    申请号:US416573

    申请日:1995-04-04

    摘要: A system and method for minimizing the effects of background signals in masking signals indicating the presence of substances to be detected such as contaminants in materials moving rapidly along a conveyor. The contaminants detected may include nitrogen containing compounds and hydrocarbons. The system and method minimize, during detection of the presence or absence of such substances, the number of falsely positive indications of the presence of such substances due to background signals and changes in background signals. The substances detected are divided into first and second sample portions and the respective portions are heated. The first heated portion is mixed with ozone to cause a chemical action therewith in order to generate radiation by chemiluminescence having characteristic wavelengths related to substances in the first portion. The second portion heated is also mixed with ozone to cause a chemical reaction therewith in order to generate radiation by chemiluminescence having characteristic wavelengths related to substances in the second portion. The radiation of the respective first and second portions is selectively detected. The heating and detecting steps are performed in a manner so as to yield a higher level of detected radiation from one of the portions of the sample than the other for at least some of the selected compounds being detected. Electrical signals from the respective first and second portions are generated and compared in order to determine the presence or absence of selected compounds in the sample. Appropriate reject signals for a bottle sorting system are generated accordingly.

    摘要翻译: 一种系统和方法,用于最小化背景信号在掩蔽指示待检测物质的存在的信号中的影响,例如沿着传送器快速移动的材料中的污染物。 检测到的污染物可能包括含氮化合物和碳氢化合物。 在检测到这种物质的存在或不存在的过程中,系统和方法最小化由于背景信号和背景信号的变化而导致的这些物质的存在的错误的阳性迹象。 所检测的物质被分成第一和第二样品部分,并且各个部分被加热。 将第一加热部分与臭氧混合以引起化学作用,以便通过具有与第一部分中的物质相关的特征波长的化学发光产生辐射。 加热的第二部分也与臭氧混合以引起与其的化学反应,以通过具有与第二部分中的物质相关的特征波长的化学发光产生辐射。 选择性地检测相应的第一和第二部分的辐射。 加热和检测步骤以这样一种方式进行,以便对于所检测的至少一些所选择的化合物,从样品的一个部分获得比其他部分更高水平的检测到的辐射。 产生并比较来自相应的第一和第二部分的电信号,以确定样品中选定化合物的存在或不存在。 相应地生成用于瓶分选系统的适当拒绝信号。

    Immunoassay probe
    18.
    发明授权
    Immunoassay probe 失效
    免疫测定探针

    公开(公告)号:US07514270B2

    公开(公告)日:2009-04-07

    申请号:US10411441

    申请日:2003-04-10

    IPC分类号: G01N33/553 G01N21/00

    摘要: An analytical instrument for the immobilization of antigens to be detected in an immunoassay using mangetizable beads. The instrument includes a probe containing magnetizable particles and a plurality of magnetic devices for applying a magnetic field gradient to the particles in the probe reservoir. The probe is movable between the plurality of magnetic devices and at least one of the probe positions may be used to immobilize the magnetic particles in the fluid medium and at least another position may be used to resuspend the particles in a fluid medium.

    摘要翻译: 用于使用可植入珠子在免疫测定中固定待检测的抗原的分析仪器。 该仪器包括含有可磁化颗粒的探针和用于向探针储器中的颗粒施加磁场梯度的多个磁性装置。 探针可以在多个磁性装置之间移动,并且可以使用至少一个探针位置来将磁性颗粒固定在流体介质中,并且至少另一个位置可用于将颗粒重新悬浮在流体介质中。

    Programmable controller
    20.
    发明授权
    Programmable controller 失效
    可编程控制器

    公开(公告)号:US4254460A

    公开(公告)日:1981-03-03

    申请号:US50354

    申请日:1979-06-20

    CPC分类号: G05B19/045 Y10T307/951

    摘要: A controller is disclosed for controlling the operation of selected electro-mechanical devices without the use of a microprocessor or similar computing machines. The controller includes a memory programmed to output a data word each time the memory is advanced to its next successive memory address. Responsive to the data word, an electro-mechanical device, identified by the data word, is actuated to perform its function. As the function of an electro-mechanical device is completed, a sensor develops a control signal for altering the internal count of a counter. The counter, in turn, advances the memory to its next address for outputting its next data word. The cycle continues as the memory is advanced through its addresses and selected electro-mechanical devices are successively actuated to perform their assigned functions.

    摘要翻译: 公开了一种用于控制所选择的机电装置的操作而不使用微处理器或类似计算机的控制器。 控制器包括被编程为每当存储器提前到其下一个连续存储器地址时输出数据字的存储器。 响应于数据字,由数据字识别的机电装置被致动以执行其功能。 随着机电装置的功能完成,传感器产生用于改变计数器的内部计数的控制信号。 计数器又将存储器提前到其下一个地址,以输出其下一个数据字。 随着存储器通过其地址前进,循环继续,并且选择的机电装置被连续致动以执行其分配的功能。