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    • 6. 发明授权
    • Method and apparatus for aligning microbeads in order to interrogate the same
    • 用于对准微珠以便询问它的方法和装置
    • US07399643B2
    • 2008-07-15
    • US10661836
    • 2003-09-12
    • John MoonMartin A. PutnamTuo LiJoseph Traynor
    • John MoonMartin A. PutnamTuo LiJoseph Traynor
    • G01N33/552
    • G03H1/0272B01J2219/00459B01J2219/00463B01J2219/0047B01J2219/005B01J2219/00547B01J2219/00576B01J2219/00702B01L3/502761B01L3/5085B01L2200/0636B01L2200/0668B01L2300/0654B01L2400/0409B01L2400/0457B01L2400/0487G03H2210/53G03H2230/10G03H2270/20G03H2270/24Y10T436/25
    • A method and apparatus are provided for aligning optical elements or microbeads, wherein each microbead has an elongated body with a code embedded therein along a longitudinal axis thereof to be read by a code reading device. The microbeads are aligned with a positioning device so the longitudinal axis of the microbeads is positioned in a fixed orientation relative to the code reading device. The microbeads are typically cylindrically shaped glass beads between 25 and 250 microns (μm) in diameter and between 100 and 500 μm long, and have a holographic code embedded in the central region of the bead, which is used to identify it from the rest of the beads in a batch of beads with many different chemical probes. A cross reference is used to determine which probe is attached to which bead, thus allowing the researcher to correlate the chemical content on each bead with the measured fluorescence signal. Because the code consists of a diffraction grating typically disposed along an axis, there is a particular alignment required between the incident readout laser beam and the readout detector in two of the three rotational axes. The third axis, rotation about the center axis of the cylinder, is azimuthally symmetric and therefore does not require alignment.
    • 提供了一种用于对准光学元件或微珠的方法和装置,其中每个微珠具有细长体,其沿着其纵向轴线嵌入其中的代码,以被代码读取装置读取。 微珠与定位装置对准,使得微珠的纵向轴线相对于代码读取装置定位成固定的取向。 微珠通常为直径为25至250微米(母体)和长度为100至500毫米的圆柱形玻璃珠,并且具有嵌入珠的中心区域中的全息代码,其用于从其余部分识别它 珠子中有一批具有许多不同化学探针的珠粒。 交叉参考用于确定哪个探针连接到哪个珠,从而允许研究者将每个珠上的化学成分与测量的荧光信号相关联。 由于代码由通常沿轴线设置的衍射光栅组成,因此在三个旋转轴中的两个中存在入射读出激光束和读出检测器之间所需的特定对准。 第三轴,围绕气缸的中心轴的旋转是方位对称的,因此不需要对准。
    • 9. 发明申请
    • Multi-well plate with alignment grooves for encoded microparticles
    • 具有用于编码微粒的对准槽的多孔板
    • US20060160208A1
    • 2006-07-20
    • US11063665
    • 2005-02-22
    • Martin PutnamJames SirkisJohn MoonTuo LiJoseph TraynorRobert Brucato
    • Martin PutnamJames SirkisJohn MoonTuo LiJoseph TraynorRobert Brucato
    • C12M1/34G06K7/00G01N33/551C12M3/00
    • G01N33/54313G01N33/54393
    • A method and apparatus are provided for aligning optical elements or microbeads, wherein each microbead has an elongated body with a code embedded therein along a longitudinal axis thereof to be read by a code reading device. The microbeads are aligned with a positioning device so the longitudinal axis of the microbeads is positioned in a fixed orientation relative to the code reading device. The microbeads are typically cylindrically shaped glass beads between 25 and 250 microns (μm) in diameter and between 100 and 500 μm long, and have a holographic code embedded in the central region of the bead, which is used to identify it from the rest of the beads in a batch of beads with many different chemical probes. A cross reference is used to determine which probe is attached to which bead, thus allowing the researcher to correlate the chemical content on each bead with the measured fluorescence signal. Because the code consists of a diffraction grating typically disposed along an axis, there is a particular alignment required between the incident readout laser beam and the readout detector in two of the three rotational axes. The third axis, rotation about the center axis of the cylinder, is azimuthally symmetric and therefore does not require alignment.
    • 提供了一种用于对准光学元件或微珠的方法和装置,其中每个微珠具有细长体,其沿着其纵向轴线嵌入其中的代码,以被代码读取装置读取。 微珠与定位装置对准,使得微珠的纵向轴线相对于代码读取装置定位成固定的取向。 微珠通常为直径为25至250微米(母体)和长度为100至500毫米的圆柱形玻璃珠,并且具有嵌入珠的中心区域中的全息代码,其用于从其余部分识别它 珠子中有一批具有许多不同化学探针的珠粒。 交叉参考用于确定哪个探针连接到哪个珠,从而允许研究者将每个珠上的化学成分与测量的荧光信号相关联。 由于代码由通常沿轴线设置的衍射光栅组成,所以在三个旋转轴中的两个中存在入射读出激光束和读出检测器之间所需的特定对准。 第三轴,围绕气缸的中心轴的旋转是方位对称的,因此不需要对准。
    • 10. 发明授权
    • Diffraction grating-based encoded microparticle assay stick
    • 基于衍射光栅的编码微粒测定棒
    • US07901630B2
    • 2011-03-08
    • US11226914
    • 2005-09-13
    • Martin A. PutnamJohn A. MoonTuo Li
    • Martin A. PutnamJohn A. MoonTuo Li
    • G01N33/00G01N33/556G03H1/00C12M1/34C12M3/00
    • G01N21/4788G01N21/6428G03H1/26G03H2001/0033
    • An assay stick 7 includes a transparent reaction vessel or tube 14 having one or more microbeads 8 disposed therein. The microbeads 8 have a plurality of unique identification digital codes based on a diffraction grating 12 disposed therein that are detected when illuminated by incident light 24. The incident light 24 may be directed transversely onto the side or onto an end of the tube 14 with a narrow band (single wavelength) or multiple wavelength source, in which case the code is represented by a spatial distribution of light or a wavelength spectrum, respectively. The assay stick 7 may be reused or disposed upon completion of the assay. Alternatively, the beads may be attached to a strip or planar surface. The encoded beads can also provide traceability, quality-control, and authenticity of each bead 8 to its source and/or to the chemistry on each bead 8. Also, the low sample volume of the assay stick allows for faster reactions and better sensitivity.
    • 测定棒7包括其中设置有一个或多个微珠8的透明反应容器或管14。 微珠8具有基于设置在其中的衍射光栅12的多个独特的识别数字代码,其被入射光24照射时检测。入射光24可以横向地被引导到管14的一侧或一端上,其中 窄带(单波长)或多波长源,在这种情况下,码分别由光或波长光谱的空间分布表示。 测定棒7可以在测定完成后重复使用或放置。 或者,珠可以附接到条或平面表面。 编码的珠粒还可以提供每个珠粒8到其来源和/或每个珠粒8上的化学物质的可追溯性,质量控制和真实性。而且,测定棒的低样本体积允许更快的反应和更好的灵敏度。