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    • 4. 发明授权
    • Sensing device and biosensor
    • 感应装置和生物传感器
    • US08668871B2
    • 2014-03-11
    • US13513939
    • 2011-07-20
    • Akira MatsumotoYuji Miyahara
    • Akira MatsumotoYuji Miyahara
    • G01N33/53
    • C07F5/025C07B2200/11G01N5/02G01N27/4145
    • Provided are a sensing device and a biosensor that are capable of achieving stable performance in sensing saccharides or hydroxyl group-containing polymers, and that can be stored for a long time. The biosensor 8 of the present invention uses, as a component for sensing glucose, a sensing device 16 in which a completely synthetic phenylboronic acid compound 21 is bound without using enzymes that have been conventionally used. Consequently, the biosensor 8 can eliminate the problem of protein denaturation to achieve stable performance in sensing glucose, and it is possible to achieve the biosensor 8 can be stored for a long time.
    • 提供能够在感测糖类或含羟基聚合物中获得稳定性能的感测装置和生物传感器,并且可以长期储存。 本发明的生物传感器8使用传感装置16作为检测葡萄糖的组分,其中完全合成的苯基硼酸化合物21不经过常规使用的酶结合。 因此,生物传感器8可以消除蛋白质变性的问题,以实现感测葡萄糖的稳定性能,并且可以实现生物传感器8的存储长时间。
    • 7. 发明授权
    • Method of analyzing DNA sequence using field-effect device, and base sequence analyzer
    • 使用场效应分析DNA序列的方法和碱基序列分析仪
    • US07888013B2
    • 2011-02-15
    • US11574353
    • 2005-08-26
    • Yuji MiyaharaToshiya Sakata
    • Yuji MiyaharaToshiya Sakata
    • C12Q1/68C07H21/02C07H21/04
    • B01L7/00B01L3/5027B01L2200/12B01L2300/0636B01L2300/0645B01L2300/0877G01N27/4145
    • Since conventional DNA sequence analyzing technologies are based on the fundamental principle of fluorescent detection, expensive, complex optical systems and laser sources have been necessary.A field-effect device for gene detection of the present invention analyzes a base sequence by immobilizing a single-strand nucleic acid probe at a gate portion, inducing hybridization at the gate portion to form a double-stranded DNA, inducing elongation reaction by adding a DNA polymerase and one of the substrates, and measuring the electrical characteristic of the field-effect device caused by elongation reaction.Since the elongation reaction of one base induced at the gate portion can be directly converted to an electrical signal, expensive lasers or complex optical systems are not needed. Thus, a small gene polymorphism detection system that can conduct measurement at high precision can be provided.
    • 由于常规DNA序列分析技术是基于荧光检测的基本原理,因此必须使用昂贵的复杂光学系统和激光源。 本发明的用于基因检测的场效应装置通过在门部固定单链核酸探针来分析碱基序列,在门部诱导杂交以形成双链DNA,通过加入 DNA聚合酶和其中一种底物,并测量由伸长反应引起的场效应装置的电特性。 由于在栅极部分引起的一个基极的伸长反应可以直接转换成电信号,所以不需要昂贵的激光器或复杂的光学系统。 因此,可以提供可以高精度地进行测量的小型基因多态性检测系统。
    • 10. 发明授权
    • Inspection apparatus using optical interferometer
    • 检测装置采用光干涉仪
    • US06381015B1
    • 2002-04-30
    • US09380268
    • 1999-08-27
    • Tsuyoshi SoneharaYuji MiyaharaMasao Suga
    • Tsuyoshi SoneharaYuji MiyaharaMasao Suga
    • G01B902
    • G01N21/45A61B5/14532A61B5/1455A61B5/7257G01J2003/4538
    • According to an aspect of the present invention, there is provided an inspection apparatus using an optical interferometer including splitting and combining means (3) for splitting light from a light source (1) into incident light (41) irradiated on a sample and reference light (40) and combining signal light which is light scattered or reflected by the sample (7, 42) and the reference light, a modulator (4, 5, 10) for subjecting the reference light to phase modulation and a photo detector (9) for detecting light combined by the splitting and combining means (3), the inspection apparatus further including first detecting means (12-1) for detecting amplitudes of first signal components having frequencies of multiples of odd numbers of a fundamental modulation frequency of the modulator in a signal from the photo detector (9), second detecting means (12-2) for separating and detecting amplitudes of second signal components having frequencies of multiples of even numbers of the fundamental modulation frequency in the signal from the photo detector and means (14) for calculating an intensity of the signal light by using the amplitudes of the first and the second signal components for providing high signal stability and signal-to-noise ratio and in measuring a sample of a biomedical tissue or the like having large scattering or attenuation of light, distributions of a refractive index and an extinction coefficient up to a portion having a large depth can be measured with high accuracy.
    • 根据本发明的一个方面,提供了一种使用光学干涉仪的检查装置,该光学干涉仪包括用于将来自光源(1)的光分解成照射在样品上的入射光(41)和参考光 (40),并且组合由所述样品(7,42)和所述参考光散射或反射的信号光,用于使所述参考光进行相位调制的调制器(4,5,10)和光电检测器(9) 用于检测由分割和组合装置(3)组合的光,检查装置还包括第一检测装置(12-1),用于检测具有调制器的基本调制频率的奇数倍数的第一信号分量的振幅 来自光检测器(9)的信号,第二检测装置(12-2),用于分离和检测具有基数的偶数倍数的第二信号分量的振幅 来自光电检测器的信号中的调制频率和用于通过使用用于提供高信号稳定性和信噪比的第一和第二信号分量的幅度来计算信号光强度的装置(14) 可以高精度地测量具有大的散射或衰减光的生物医学组织样品,折射率和消光系数的分布直到具有较大深度的部分。