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    • 1. 发明授权
    • Procedure for the analysis of biological substances in a conductive liquid medium
    • 导电液体介质中生物物质分析程序
    • US06803229B2
    • 2004-10-12
    • US10395262
    • 2003-03-25
    • Jean-Rene MartinEliane SouteyrandMarcus Francois LawrenceSusan Rosalie Mikkelsen
    • Jean-Rene MartinEliane SouteyrandMarcus Francois LawrenceSusan Rosalie Mikkelsen
    • C12M134
    • G01N33/5438
    • The present invention relates to a procedure for the qualitative and/or quantitative analysis of biological substances, which are preferably biological substances, that are present in a conductive liquid medium, with the aid of at least one affinity sensor that includes at least one structure that includes at least one semiconductor material, which is coated on one of its surface with at least one layer of an isolating material, which in turn is affixed adhesively to at least one sensitive membrane, which is in contact with the conductive medium and which includes ligands that are complementary to the biological substances in question and which are capable of, and suitable for, forming pairs specifically with the latter biological substances, with the said procedure being characterized by the fact that it consists essentially of applying a voltage between the semiconductor and the conductive medium; of gathering the variations in the electrical signals induced by a charge-effect phenomenon directly and essentially linked to the specific pairings of the biological substances with their complementary ligands included in the sensitive membrane; and interpreting the collected signals in order to identify and/or quantify the substances in question.
    • 本发明涉及通过至少一种亲和力传感器对存在于导电液体介质中的优选生物物质进行定性和/或定量分析的方法,所述亲和力传感器包括至少一种结构, 包括至少一种半导体材料,其在其一个表面上涂覆有至少一层隔离材料,所述隔离材料层又粘附于至少一个与导电介质接触的敏感膜并且其包括配体 它们与所讨论的生物物质互补,并且能够并且适合于与后一种生物物质特异性地形成对,所述方法的特征在于其基本上由半导体和 导电介质; 收集由电荷效应现象引起的电信号的变化,直接和基本上与生物物质与敏感膜中包含的互补配体的特定配对相关; 并解释收集的信号,以便识别和/或量化所讨论的物质。
    • 5. 发明授权
    • Apparatus and method for measuring optical properties by feedback control
    • 通过反馈控制测量光学性质的装置和方法
    • US06723554B1
    • 2004-04-20
    • US09554110
    • 2000-05-26
    • Laurent GaillonRobert LonginThanh Dung Luu
    • Laurent GaillonRobert LonginThanh Dung Luu
    • C12M134
    • G01N21/51C12M23/08C12M23/38C12M29/26C12M41/36G01N21/03G01N21/31
    • The invention concerns an apparatus and a method for measuring at least one optical characteristic, which can include in particular turbidity (T), absorbance (A) and fluorescence (F), of a medium (1), and a micro-bioreactor, a connector and associated male and female parts. The apparatus comprises a light source (3) provided with means for controlling (6) the intensity of the beam transmitted (11) by the source, a photodetector (4) for measuring the intensity of the beam reflected (12) by the medium, a feedback regulating system (7) operating on the control means such that the measured intensity of the reflected beam is equal to a predetermined nominal intensity, and means for reading the transmitted beam intensity, said intensity representing the medium optical characteristic(s). The apparatus also comprises means for adjusting the nominal intensity, such that the transmitted beam stabilised intensity is within a predetermined range. The invention is applicable to micro-bioreactors.
    • 本发明涉及用于测量至少一种光学特性的装置和方法,其可以包括介质(1)和微生物反应器的特别是浊度(T),吸光度(A)和荧光(F) 连接器和相关的男性和女性部件。 该装置包括光源(3),该光源(3)设有用于控制(6)由光源透射的光束的强度的装置,用于测量由介质反射(12)的光束的强度的光电检测器(4) 反馈调节系统(7),其在所述控制装置上操作,使得所测量的所述反射光束的强度等于预定的标称强度;以及用于读取所述发射光束强度的装置,所述强度表示介质光学特性。 该装置还包括用于调节标称强度的装置,使得透射光束稳定强度在预定范围内。 本发明适用于微生物反应器。