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    • 1. 发明授权
    • Determination of metal ions in solution by photoluminescence anisotropy
    • 通过光致发光各向异性测定溶液中的金属离子
    • US06284544B1
    • 2001-09-04
    • US09071351
    • 1998-04-30
    • Richard B. ThompsonDaniel ElbaumVincent L. FelicciaDavid ChristiansonMarcia W. PatchanZhengfang GeBadri P. Maliwal
    • Richard B. ThompsonDaniel ElbaumVincent L. FelicciaDavid ChristiansonMarcia W. PatchanZhengfang GeBadri P. Maliwal
    • G01N3320
    • G01N33/542G01N21/6445G01N33/20G01N33/582G01N2333/988
    • Homogeneous fluorescence polarization (anisotropy) assays for detecting and quantifying metal ions in solution, based the metal-dependent binding of a fluorescent ligand to an unlabeled macromolecule, or the binding of a metal ion to a fluorescent labeled macromolecule. The metal-dependent binding of a fluorescent ligand to an unlabeled macromolecule (metallo-macromolecule) effects a measurable change in anisotropy as will the binding of metal ions to a fluorescent labeled macromolecule. Binding of the fluorescent ligand to the unlabeled macromolecule is metal dependent with the change in anisotropy being proportional to the concentration of bound metal ions. No binding of the fluorescent ligand to the macromolecule occurs in the absence of metal ions. Conversely, if the fluorescent label is first conjugated to a metallo-macromolecule and the metallo-macromolecule is subsequently stripped of its metal ion, it may then be used to transduce the binding of metal ions. Transduction is provided wherein the covalently bound fluorescent label exhibits changes in anisotropy proportional to the concentration of bound metal ions. In all methods, the change in anisotropy may be simply related to the metal ion concentration of the test solution.
    • 基于荧光配体与未标记的大分子的金属依赖性结合,或金属离子与荧光标记的大分子的结合,用于检测和定量溶液中的金属离子的均匀荧光偏振(各向异性)测定。 荧光配体与未标记的大分子(金属 - 大分子)的金属依赖性结合对金属离子与荧光标记的大分子的结合将产生各向异性的可测量的变化。 荧光配体与未标记的大分子的结合是金属依赖性的,各向异性的变化与结合的金属离子的浓度成比例。 在不存在金属离子的情况下,不发生荧光配体与大分子的结合。 相反,如果荧光标记首先与金属 - 大分子缀合,并且金属 - 大分子随后被其金属离子剥离,则其可用于转导金属离子的结合。 提供转导,其中共价结合的荧光标记表现出与结合的金属离子浓度成比例的各向异性变化。 在各种方法中,各向异性的变化可能与测试溶液的金属离子浓度有关。
    • 8. 发明授权
    • Selective metal ion detection using a photoluminescent indicator binding
to a macromolecule-metal ion complex
    • 使用结合大分子金属离子络合物的光致发光指示剂进行选择性金属离子检测
    • US5545517A
    • 1996-08-13
    • US213409
    • 1994-03-15
    • Richard B. ThompsonEric R. Jones
    • Richard B. ThompsonEric R. Jones
    • C12Q1/527G01N21/64G01N31/22C12Q1/00G01N21/00
    • G01N21/643C12Q1/527G01N31/22Y10S435/808Y10S436/805
    • The present invention is a process and apparatus for metal ion detection. The process of the invention has the steps of (1) disposing, in an analyte medium, a macromolecule suitable for selective complexation with the target metal ion species; (2) disposing, in the analyte medium, an appropriate photoluminescent indicator that will emit in a measurably different manner when bound to the metallomacromolecule complex, compared with its unbound state; (3) exciting the photoluminescent indicator species; and (4) monitoring the emission of the photoluminescent indicator species to detect changes in its emission. The apparatus of the invention has (1) a macromolecule suitable for selective complexation with the target metal ion species disposed in an analyte medium; (2) an appropriate photoluminescent indicator that will emit in a measurably different manner when bound to the metallomacromolecule complex, compared with its unbound state, also disposed in the analyte medium; (3) a source for exciting the photoluminescent indicator species; and (4) a detector for monitoring the emission of the photoluminescent indicator species to detect changes in its emission.
    • 本发明是用于金属离子检测的方法和装置。 本发明的方法具有以下步骤:(1)在分析物介质中设置适于与目标金属离子物质选择性络合的大分子; (2)在分析物介质中,与其未结合状态相比,在与金属大分子复合物结合时以相当不同的方式配置适当的光致发光指示剂; (3)激发光致发光指示物种; 和(4)监测光致发光指示剂物质的发射以检测其发射的变化。 本发明的装置具有(1)适用于与分析物介质中配置的靶金属离子种类选择性络合的大分子; (2)当与其未结合状态相比,当与金属大分子复合物结合时,其可以以可测量不同的方式发射,也放置在分析物介质中的合适的光致发光指示剂; (3)激发光致发光指示物种的来源; 和(4)用于监测光致发光指示剂物质的发射以检测其发射变化的检测器。
    • 9. 发明授权
    • Regenerative communication channel extender
    • 再生通信渠道扩展器
    • US5455700A
    • 1995-10-03
    • US876653
    • 1992-04-30
    • Richard B. ThompsonScott J. Nicolet
    • Richard B. ThompsonScott J. Nicolet
    • H04L1/22H04L12/46H04L25/20H04L29/06H04J14/00H04B10/02H04B10/16
    • H04L29/06H04L12/46
    • A regenerative digital communication channel extender is provided which converts electrical signals in a first communication network into optical signals and then reconverts the optical signals back into electrical signals for application to a second communication network. The conversion is preferably performed using state machines. The communication in the first and second communication networks are preferably in a first protocol, whereas the optical communication is in a second protocol. The state machines convert the communications from the first protocol to the second protocol, and back from the second protocol into the first protocol. In the process, the communication in the first communication network is faithfully regenerated in the second communication network. In addition, a unique phase lock circuit is contemplated which requires only one pulse of an incoming digital communication to synchronize a local clock.
    • 提供再生数字通信信道扩展器,其将第一通信网络中的电信号转换为光信号,然后将光信号重新转换回电信号以应用于第二通信网络。 转换优选使用状态机进行。 第一和第二通信网络中的通信优选地处于第一协议中,而光通信处于第二协议。 状态机将来自第一协议的通信转换为第二协议,并从第二协议返回到第一协议。 在该过程中,在第二通信网络中忠实地再生第一通信网络中的通信。 此外,构想了唯一的锁相电路,其仅需要输入数字通信的一个脉冲来同步本地时钟。