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    • 2. 发明授权
    • Sealed sample cuvette for volatile solutions
    • 用于挥发性溶液的密封样品比色皿
    • US5651940A
    • 1997-07-29
    • US578452
    • 1995-12-26
    • Val BuonaiutoTaro Nogami
    • Val BuonaiutoTaro Nogami
    • B01L3/14G01N1/00G01N35/10B01L3/00
    • G01N35/1079B01L3/50825
    • The sealing apparatus of the present invention is a sample cuvette cap having a hole for inserting the nozzle of an auto-sampler therethrough. Located within the lumen of the hole is a small detent ball that can be positioned to block the lumen. The detent ball, which can be spring-operated or gravity-operated, blocks the fluid flow in the hole in its normal, closed position. When the auto-sampler nozzle hits the ball, the ball becomes deflected to one side into a recess, due to a difference in the nozzle axis relative to the center of the ball. By the dislocating the detent ball, the nozzle can be inserted into the cuvette smoothly as the air goes in and out through the space around the nozzle. This allows the pressure in the cuvette to be kept constant. After the nozzle is removed, the ball returns to its original position by gravity or by the force of a spring, resealing the cuvette. All of the parts for the sealing apparatus are solid parts which can be easily cleaned and reused. Because there is no non-recoverable distortion or damage to the sealing mechanism, it can be re-used after cleaning.
    • 本发明的密封装置是具有用于插入自动取样器的喷嘴的孔的样品杯盖。 位于孔腔内的是一个小的止动球,可以将其定位成堵塞管腔。 可以弹簧操作或重力操作的止动球阻止其正常闭合位置的孔中的流体流动。 当自动进样器喷嘴撞击球时,由于喷嘴轴线相对于球的中心的差异,球变成一侧偏入凹槽。 通过脱位球的脱位,当空气通过喷嘴周围的空间进出时,喷嘴可以顺利地插入比色杯中。 这使得比色皿中的压力保持恒定。 在喷嘴被去除之后,球通过重力或弹簧的力返回其初始位置,重新密封比色皿。 用于密封装置的所有部件都是可以容易地清洁和再利用的实心部件。 因为密封机构没有不可恢复的变形或损坏,因此可以在清洁后重新使用。
    • 6. 发明授权
    • Spectrofluorometer
    • 分光光度计
    • US4299486A
    • 1981-11-10
    • US118725
    • 1980-02-05
    • Taro NogamiHiroshi Hirose
    • Taro NogamiHiroshi Hirose
    • G01N21/64
    • G01N21/6445
    • In order to provide a spectrofluorometer which measures the emission polarization spectrum of a sample at high precision and with ease, a first spectrum signal I.sub.HV (.lambda..sub.EM) and a second spectrum signal I.sub.HH (.lambda..sub.EM) are formed by scanning the wavelength of an emission monochromator. A third spectrum signal I.sub.VH (.lambda..sub.EM) and a fourth spectrum signal I.sub.VV (.lambda..sub.EM) are also formed. In these terms, the first suffix H of the signals means that excitation light irradiated at the sample has a horizontal polarization direction while the first suffix V of the signals means that excitation light irradiated at the sample has a vertical polarization direction. The second suffix H of the signals means that fluorescence light detected by the detector has a horizontal polarization direction. The second suffix V of the signal means that fluorescence light detected by the detector has a vertical polarization direction. Using these signals the spectrofluorometer produces a signal G(.lambda..sub.EM) representative of the ratio between the signal I.sub.HV (.lambda..sub.EM) and the signal I.sub.HH (.lambda..sub.EM). Also, a correction signal G(.lambda..sub.EM).multidot.I.sub.VH (.lambda..sub.EM) is formed of the ratio signal G(.lambda..sub.EM) and the third spectrum signal I.sub.VH (.lambda..sub.EM). Then, a signal I.sub.VV (.lambda..sub.EM)-G(.lambda..sub.EM).multidot.I.sub.VH (.lambda..sub.EM) representative of the difference between the correction signal G(.lambda..sub.EM).multidot.I.sub.VH (.lambda..sub.EM) and the fourth spectrum signal I.sub.VV (.lambda..sub.EM) is divided by a signal I.sub.VV (.lambda..sub.EM)+G(.lambda..sub.EM).multidot.I.sub.VH (.lambda..sub.EM) representative of the sum between them. The resulting signal ##EQU1## is indicated as the emission polarization spectrum by the spectrofluorometer.
    • 为了提供以高精度和容易地测量样品的发射极化光谱的分光荧光计,通过扫描发射波长来形成第一光谱信号IHV(λEM)和第二光谱信号IHH(λEM) 单色仪 还形成第三频谱信号IVH(λEM)和第四频谱信号IVV(λEM)。 在这些术语中,信号的第一后缀H意味着在样品处照射的激发光具有水平极化方向,而信号的第一后缀V意味着在样品处照射的激发光具有垂直偏振方向。 信号的第二个后缀H表示由检测器检测到的荧光具有水平偏振方向。 信号的第二个后缀V表示由检测器检测到的荧光具有垂直偏振方向。 使用这些信号,分光荧光计产生代表信号IHV(λEM)和信号IHH(λEM)之间的比率的信号G(λEM)。 此外,校正信号G(λEM)xIVH(λEM)由比率信号G(λEM)和第三频谱信号IVH(λEM)形成。 然后,分配表示校正信号G(λEM)xIVH(λEM)和第四频谱信号IVV(λEM)之间的差的信号IVV(λEM)-G(λEM)xIVH(λEM) 通过代表它们之间的和的信号IVV(λEM)+ G(λEM)xIVH(λEM)。 所得到的信号“IMAGE”由分光荧光计表示为发射偏振光谱。
    • 10. 发明授权
    • Fluorimeter
    • 荧光计
    • US4531834A
    • 1985-07-30
    • US482248
    • 1983-04-05
    • Taro Nogami
    • Taro Nogami
    • G01N21/64
    • G01N21/645G01N2021/6491
    • A fluorimeter comprises an excitation optical system projecting the excitation light having a selected wavelength for a sample to said sample, a sample cell for accommodating the sample; fluorescent light sensors for sensing the fluorescent light emitted from the sample; a transmission light sensor for sensing the light transmitted through the sample; and an arithmetic divider which divides the output of the fluorescent light sensor by the output of the transmission light sensor, and provides a signal representing the intensity of the fluorescent light which is corrected against the variation of the excitation light intensity.
    • 荧光计包括激发光学系统,将具有用于样品的选定波长的激发光投射到所述样品,用于容纳样品的样品池; 用于感测从样品发出的荧光的荧光灯传感器; 用于感测通过样品的光的透射光传感器; 以及分频器,其通过透射光传感器的输出分割荧光传感器的输出,并且提供表示根据激发光强度的变化校正的荧光强度的信号。