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    • 25. 发明授权
    • Antenna near-field probe station scanner
    • 天线近场探头台扫描仪
    • US07876276B1
    • 2011-01-25
    • US11499982
    • 2006-08-02
    • Afroz J. ZamanRichard Q. LeeWilliam G. DarbyPhilip J. BarrKevin M LambertFelix A. Miranda
    • Afroz J. ZamanRichard Q. LeeWilliam G. DarbyPhilip J. BarrKevin M LambertFelix A. Miranda
    • G01R29/10
    • G01R29/105H01Q3/08
    • A miniaturized antenna system is characterized non-destructively through the use of a scanner that measures its near-field radiated power performance. When taking measurements, the scanner can be moved linearly along the x, y and z axis, as well as rotationally relative to the antenna. The data obtained from the characterization are processed to determine the far-field properties of the system and to optimize the system. Each antenna is excited using a probe station system while a scanning probe scans the space above the antenna to measure the near field signals. Upon completion of the scan, the near-field patterns are transformed into far-field patterns. Along with taking data, this system also allows for extensive graphing and analysis of both the near-field and far-field data. The details of the probe station as well as the procedures for setting up a test, conducting a test, and analyzing the resulting data are also described.
    • 小型化天线系统通过使用测量其近场辐射功率性能的扫描仪非破坏性地表征。 当进行测量时,扫描仪可以沿x,y和z轴线性移动,以及相对于天线旋转。 处理从表征获得的数据以确定系统的远场属性并优化系统。 每个天线使用探测台系统激励,而扫描探针扫描天线上方的空间来测量近场信号。 扫描完成后,近场图案被转换为远场图案。 随着采集数据,该系统还可以对近场和远场数据进行广泛的绘图和分析。 还描述了探测台的细节以及建立测试,进行测试和分析所得数据的过程。
    • 29. 发明授权
    • Ubiquitin expression system
    • 泛素表达系统
    • US6068994A
    • 2000-05-30
    • US428278
    • 1995-04-25
    • Philip J. Barr
    • Philip J. Barr
    • C07K14/16C07K14/57C07K14/81C12N15/81C07K19/00C12M15/62
    • C07K14/005C07K14/57C07K14/8125C12N15/81C12N2740/16122C12N2740/16222
    • The present invention provides an improved ubiquitin fusion system for gene expression in yeast systems which allows for the regulatable high level production of heterologous proteins having destabilizing amino terminal residues. The ubiquitin fusion proteins expressed in yeast are cleaved precisely in vivo by an endogenous ubiquitin-specific hydrolase to yield heterologous proteins such as human alpha-1-antitrypsin, human gamma-interferon and human immunodeficiency virus integrase protein, all of which initiate with destabilizing residues. An expression vector containing a synthetic gene for monomeric yeast ubiquitin was constructed and expressed under the control of a glucose regulatable yeast promoter. Inclusion of unique restriction sites at the 3'-end of the synthetic ubiquitin gene allows for precise in-frame insertion of heterologous genes. The system can be used to increase expression of poorly expressed proteins and to produce proteins having selective amino-terminal destabilizing residues.
    • 本发明提供了改进的用于酵母系统中基因表达的泛素融合系统,其允许可调节的高水平产生具有不稳定氨基末端残基的异源蛋白质。 在酵母中表达的泛素融合蛋白通过内源泛素特异性水解酶在体内精确地切割,得到异源蛋白质,例如人α-1-抗胰蛋白酶,人γ-干扰素和人免疫缺陷病毒整合酶蛋白,所有这些都起始于不稳定残基 。 构建含有单体酵母泛素合成基因的表达载体,并在葡萄糖可调节酵母启动子的控制下进行表达。 在合成泛素基因的3'末端包含独特的限制性位点允许异源基因的精确的帧内插入。 该系统可用于增加表达差的蛋白质的表达并产生具有选择性氨基末端去稳定化残基的蛋白质。