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    • 1. 发明申请
    • Readhead for optical inspection apparatus
    • 光学检测仪器的读数头
    • US20070064220A1
    • 2007-03-22
    • US10556299
    • 2004-06-03
    • Nicholas StockGary RossDavid Ledden
    • Nicholas StockGary RossDavid Ledden
    • G01N21/47G01N21/64
    • G01N21/251G01N21/64G01N21/8483
    • A readhead for illuminating a sample carrier and receiving light from the sample carrier, including a housing for receiving a sample carrier, an array of light sources mounted within the housing in a fixed position relative to the sample carrier, and including first and second light-emitting diodes for emitting substantially monochromatic light of a two different wavelengths, a light guide mounted in the housing between the light-emitting diodes and the sample carrier, and a light detector coupled to receive light from the sample carrier. The readhead also includes a light source for directing excitation light of a predetermined wavelength to the sample carrier, and a light filter positioned between the sample carrier and the light detector and adapted to prevent passage therethrough of the excitation light. The readhead allows both fluorescence spectroscopy and reflectance spectroscopy to be conducted on the sample carrier.
    • 一种用于照亮样品载体并从样品载体接收光的读取头,包括用于接收样品载体的壳体,安装在壳体内相对于样品载体固定位置的光源阵列,并且包括第一和第二发光层, 用于发射两个不同波长的基本单色光的发光二极管,安装在发光二极管和样品载体之间的壳体中的光导,以及耦合以接收来自样品载体的光的光检测器。 读取头还包括用于将预定波长的激发光引导到样品载体的光源,以及位于样品载体和光检测器之间并适于防止激发光通过的滤光器。 读数头允许在样品载体上进行荧光光谱和反射光谱。
    • 4. 发明授权
    • Methods of inactivation of viruses using n-methlyglucamide and its derivatives
    • US11564392B2
    • 2023-01-31
    • US16646600
    • 2018-09-12
    • BAYER HEALTHCARE LLC
    • Shengjiang LiuAllison TitongWensheng WangNicholas Spadoni
    • A01N37/20C12N7/00
    • This disclosure relates to methods for use in inactivating viruses. The methods of inactivating viruses with N-methylglucamides is applicable to the purification process of biologically-active drugs such as protein subunits, proteins (enzymes, factors, etc.), recombinant proteins, antibodies, vaccine or gene therapeutic products. The detergents used in this method are based on multiple N-methylglucamide homologs, consisting of a hydrophilic glucose moiety and hydrophobic fatty acid tail, linked by an amide bond. Additionally, these sugar-based detergents are nonionic by nature, which do not disrupt the drug protein, plasma biologies, non-enveloped viral vaccine or adeno associated viral particles. A method of purifying a biological product solution of interest having an unidentified enveloped virus contaminant, including incubating a biological product solution of interest with a standard solution, inactivating any potential enveloped virus contaminant present in the biological product solution of step (a), measuring the inactivated virus present in the final solution of step (b), incubating a separate biological product solution of interest with a N-methylglucamide solution, measuring the inactivated virus present in the final solution of step (d), and comparing the results of the final solutions of step (c) and step (e).