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    • 2. 发明授权
    • Imaging method for spatial distributions of absorber concentrations
    • 吸收剂浓度空间分布成像方法
    • US5678556A
    • 1997-10-21
    • US502844
    • 1995-07-14
    • Atsushi MakiAdi BonenYoshitoshi ItoYuichi YamashitaYukiko HirabayashiHideaki KoizumiFumio KawaguchiHideji Fujii
    • Atsushi MakiAdi BonenYoshitoshi ItoYuichi YamashitaYukiko HirabayashiHideaki KoizumiFumio KawaguchiHideji Fujii
    • G01N21/27A61B5/145A61B10/00G01N21/17G01N21/47A61B6/00
    • G01N21/4795G01N2021/4797
    • An imaging method for spatial distributions of concentrations of absorbers distributed in an object including a radiation step of applying pulsating or continuous light radiated from predetermined incident positions with predetermined wavelengths to the object in the form of a scattering medium containing the absorbers, and a detection step of detecting intensities of light passing through the object at predetermined detection positions. The imaging method also includes a step of finding a plurality photon paths for a plurality of pairs of the incident and detected positions of a model with similar dimensions to the object but without absorbers starting at the incident positions and ending at the detected positions, a step of finding averaged photon-path lengths of the photon paths starting at the incident positions and ending at the detection positions in the model by simulation, a step of finding spatial distributions of absorber concentrations from the averaged photon-path lengths, radiated intensities of the radiated light applied to the object, detected intensities of light detected at the detection positions and optical constants of the absorbers for the radiated light applied to the object, and a step of displaying the spatial distributions of the absorber concentrations.
    • 一种用于分散在物体中的吸收体的浓度的空间分布的成像方法,包括:将包含预定波长的预定入射位置的脉冲或连续光以包含吸收体的散射介质的形式施加到物体的辐射步骤;以及检测步骤 检测在预定检测位置通过物体的光的强度。 该成像方法还包括以下步骤:为具有与物体相似尺寸的模型的多个成对的入射和检测位置找到多个光子路径,但没有从入射位置开始并在检测位置结束的吸收体的步骤;步骤 通过模拟发现在入射位置开始并结束于模型中的检测位置的光子路径的平均光子路径长度,从平均光子路径长度,辐射强度的辐射强度中找到吸收剂浓度的空间分布的步骤 施加到物体的光,检测到的检测到的光的检测强度和被施加到物体的辐射光的吸收体的光学常数,以及显示吸收体浓度的空间分布的步骤。
    • 4. 发明授权
    • Mass spectrometer
    • 质谱仪
    • US06180941B2
    • 2001-01-30
    • US09447578
    • 1999-11-23
    • Yasuaki TakadaMinoru SakairiTakayuki NabeshimaYukiko HirabayashiHideaki Koizumi
    • Yasuaki TakadaMinoru SakairiTakayuki NabeshimaYukiko HirabayashiHideaki Koizumi
    • H01J4942
    • H01J49/067H01J49/04
    • A mass spectrometer comprising an ionization means for ionizing sample compounds to be analyzed mass spectro-scopically in an atmospheric pressure, a sample solution supply means for supplying a solution containing the sample compounds to the ionization means, means for feeding the ions formed by the ionization means through an aperture disposed in an electrode into a vacuum region, and an ion trap type mass spectroscopic means for mass spectroscopically analyzing ions entered through the aperture into the vacuum region, in which an ion decelerating electric field forming means is disposed between the electrode disposed with the aperture and an electrode disposed with an ion entrance opening for entering the ions into the ion trap type mass spectroscopic means for forming an electric field for decelerating the ions, and the ions injected to the ion trap mass spectroscopic means is lowered. This facilitates accumulation ions in the ion trap mass spectralyzing means even if a high drift voltage is used thereby enabling high sensitivity analysis for polar compounds such as peptides.
    • 一种质谱仪,其特征在于,包括:离子化装置,用于将大气压力分析分析的样品化合物离子化;将含有样品化合物的溶液供给到电离装置的样品溶液供给装置, 意味着通过设置在电极中的孔进入真空区域,以及离子阱型质谱分析装置,用于质谱分析通过孔进入真空区域的离子,其中离子减速电场形成装置设置在设置的电极之间 其中所述孔和电极设置有离子入口,用于将离子进入离子阱型质谱分析装置,用于形成用于使离子减速的电场,并且注入离子阱质谱分析装置的离子降低。 即使使用高漂移电压,这也有助于离子阱质谱分析手段中的积聚离子,从而能够对极性化合物如肽进行高灵敏度分析。
    • 8. 发明授权
    • Method of mass-analyzing body fluid and apparatus therefor
    • 体液质量分析方法及其设备
    • US06190316B1
    • 2001-02-20
    • US09273554
    • 1999-03-22
    • Yukiko HirabayashiAtsumu HirabayashiHideaki Koizumi
    • Yukiko HirabayashiAtsumu HirabayashiHideaki Koizumi
    • A61B500
    • H01J49/0431A61B5/145A61B5/14528A61B5/14557A61B5/1459A61B5/4064A61B2010/0077
    • A living body fluid analyzing system includes a microdialysis for sending a first solution having an osmotic pressure which is substantially similar to a osmotic pressure of a body fluid into a living body and extracting a second solution from the living body. A first flow passage is provided in which the second solution from the microdialysis flows and a second flow passage is provided which mixes the second solution with an organic solution. Furthermore, there is provided a gas source and a gas flow controller which controls a flow quantity of the gas from the gas source and a third flow passage in which a gas introduced from the gas source flows. An ion source is provided having an orifice for spraying and ionizing the second solution from the second flow passage at an end of the third flow passage, and a mass spectrometer is provided for mass-analyzing the ions sprayed from the orifice.
    • 活体液分析系统包括微透析,用于将具有基本上类似于体液渗透压的渗透压的第一溶液送入生物体并从生物体提取第二溶液。 提供第一流动通道,其中来自微量透析的第二溶液流动,并且提供将第二溶液与有机溶液混合的第二流动通道。 此外,提供了气体源和气体流量控制器,其控制来自气体源的气体的流量和从气体源引入的气体流过的第三流路。 提供离子源,其具有用于在第三流动通道的端部处从第二流动通道喷射和离子化第二溶液的孔,并且提供质量分析器以对从孔喷射的离子进行质量分析。
    • 10. 发明授权
    • Capillary electrophoretis system, sample analyzer and liquid sample cassette for electrophoretic separation
    • 毛细管电泳系统,样品分析仪和电泳分离液体样品盒
    • US06787017B1
    • 2004-09-07
    • US09806913
    • 2001-04-06
    • Atsumu HirabayashiYukiko HirabayashiAkihiko OkumuraHideaki Koizumi
    • Atsumu HirabayashiYukiko HirabayashiAkihiko OkumuraHideaki Koizumi
    • G01N27447
    • G01N27/44791G01N27/44704
    • The capillary electrophoresis system includes a wafer-shaped part having passages filled with a buffer solution for introducing sample solutions; a body having a configuration suitable to removably hold and to move the wafer-shaped part. The body includes first and second electrodes for applying a voltage across both ends of passages of the wafer-shaped part to separate and remove the sample solution. The body also includes first and second buffer reservoirs conductive to passages of the wafer-shaped part at specific positions for filling buffer solution around the first and second electrodes. The system according to the present invention facilitates washing of electrophoresis passages and reduces the time and labor costs required for replacement of the fused-silica wafers and simplifies operation by allowing a plurality of sample solutions to be analyzed more quickly.
    • 毛细管电泳系统包括具有填充有用于引入样品溶液的缓冲溶液的通道的晶片状部件; 具有适于可移除地保持和移动晶片形部分的构造的本体。 本体包括第一和第二电极,用于跨晶片形部分的通道的两端施加电压以分离和去除样品溶液。 身体还包括第一和第二缓冲储存器,其导电到晶片状部分在特定位置处的通道,用于在第一和第二电极周围填充缓冲溶液。 根据本发明的系统有助于电泳通道的洗涤,并且减少了更换熔凝石英晶片所需的时间和人力成本,并且通过允许更快速地分析多个样品溶液来简化操作。