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    • 25. 发明授权
    • Method and system for nucleic acid detection
    • 核酸检测方法和系统
    • US07348147B2
    • 2008-03-25
    • US10989062
    • 2004-11-15
    • Tiecheng A. QiaoBrian J. Kelley
    • Tiecheng A. QiaoBrian J. Kelley
    • C12Q1/68G01N33/543G01N33/532G01N33/53C07C39/04C09D189/00
    • C12Q1/6834Y10S530/812C12Q2531/113C12Q2525/197C12Q2521/543
    • The present invention relates to a method of detecting nucleic acids comprising suspending at least one recognizable target nucleic acid in a suspending solution containing polymeric particles marked with a probe, wherein the probe has an affinity for the target nucleic acid, adding a recognition unit-peroxidase conjugate marker to the suspending solution, forming a complex of the polymeric particles marked with a probe, the target nucleic acid and the recognition unit-peroxidase conjugate marker, contacting the suspending solution with a gelatin surface, adding a developer to the suspending solution in contact with the gelatin surface in the presence of phenol to attach the complex to the gelatin surface, washing the gelatin surface, and detecting the complex attached to the gelatin surface.
    • 本发明涉及一种检测核酸的方法,包括将至少一种可识别的靶核酸悬浮在含有用探针标记的聚合物颗粒的悬浮溶液中,其中探针对靶核酸具有亲和力,加入识别单元 - 过氧化物酶 将缀合物标记到悬浮液中,形成用探针标记的聚合物颗粒的复合物,靶核酸和识别单元 - 过氧化物酶缀合物标记物,使悬浮液与明胶表面接触,将显影剂加入到接触的悬浮液中 在苯酚存在下将明胶表面附着到明胶表面上,洗涤明胶表面,并检测附着于明胶表面的复合物。
    • 29. 发明授权
    • Protective overcoat comprising polyvinyl alcohol for photographic elements
    • 防护外涂层包含用于照相元件的聚乙烯醇
    • US06194130B1
    • 2001-02-27
    • US09448213
    • 1999-11-23
    • Mridula NairTamara K. JonesTiecheng A. Qiao
    • Mridula NairTamara K. JonesTiecheng A. Qiao
    • G03C176
    • G03C1/7614G03C1/775G03C1/79G03C1/795G03C11/08G03C2001/7635G03C2200/50Y10S430/162
    • The present invention is a photographic element which includes a support, at least one silver halide emulsion layer superposed on the support and a processing-solution-permeable protective overcoat overlying the silver halide emulsion layer. The processing solution permeable overcoat is composed of a urethane-containing component having acid functionalities wherein a weight ratio of a polyurethane-containing component in the copolymer comprises from 20 to 100 percent and a weight ratio of an optional vinyl component in the copolymer comprises from 0 to 80 percent, which urethane-containing component of the overcoat may comprise either a single polyurethane polymer or an interpenetrating network comprising two or more polymers. The overcoat further comprises a polyvinyl alcohol polymer having a molecular weight of about 150,000 or less, with the proviso that the degree of hydrolysis is less than 95% when the molecular weight is more than about 100,000. The present invention is also directed to a method of making a photographic print involving developing the photographic element.
    • 本发明是一种照相元件,它包括一个载体,至少一个叠加在载体上的卤化银乳剂层和覆盖卤化银乳剂层的加工溶液可渗透的保护性外涂层。 处理液可渗透外涂层由具有酸性官能团的含氨基甲酸酯的组分组成,其中共聚物中含聚氨酯的组分的重量比为20-100%,共聚物中任选的乙烯基组分的重量比为0 至80%,外涂层的含氨基甲酸酯的组分可以包含单一聚氨酯聚合物或包含两种或更多种聚合物的互穿网络。 外涂层还包含分子量为约150,000或更低的聚乙烯醇聚合物,条件是当分子量大于约100,000时,水解度小于95%。 本发明还涉及一种制造涉及显影照相元件的照相印相的方法。