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    • 5. 发明申请
    • PURIFICATION OF SUPERCOILED PLASMID DNA
    • 超滤PLASMID DNA的纯化
    • WO2010046918A1
    • 2010-04-29
    • PCT/IN2009/000558
    • 2009-10-08
    • V. B. MEDICARE PVT. LTD.GUPTA, Munishwar, NathSINGH, Pradeep, K.RAGHAVA, Smita
    • GUPTA, Munishwar, NathSINGH, Pradeep, K.RAGHAVA, Smita
    • C12P19/34C12N15/10
    • C12N15/1003
    • This invention comprises a process of purifying supercoiled plasmid DNA of purity and characteristics required for use in a DNA vaccine or in Gene Therapy or in uses where high purity supercoiled plasmid DNA is required, from a genetically transformed bacterium over-expressing the said supercoiled plasmid and the supercoiled plasmid DNA prepared by a process of this invention and products containing supercoiled DNA made by a process of this invention. The process of this invention comprises selective precipitation from a cell lyste of all DNA and endotoxin except supercoiled DNA by free metal ions. The said impurity comprising plasmid isoforms (linear, relaxed), genomic DNA, RNA, and an endotoxin from a host cell. The method is illustrated by using Cu 2+ metal ions. The said Cu 2+ metal ions were added as CuSO 4 to reach to a final concentration of at least 0.5 M. The removal of metal ions is achieved by dialysis.
    • 本发明包括从过表达所述超螺旋质粒的遗传转化细菌中纯化在DNA疫苗中或基因治疗或需要高纯度超螺旋质粒DNA的用途中纯化和特征所需的超螺旋质粒DNA的方法,以及 通过本发明方法制备的超螺旋质粒DNA和含有本发明方法制备的超螺旋DNA的产物。 本发明的方法包括通过游离金属离子从超螺旋DNA除去所有DNA和内毒素的细胞裂解物的选择性沉淀。 所述杂质包含来自宿主细胞的质粒同种型(线性,松弛),基因组DNA,RNA和内毒素。 该方法通过使用Cu2 +金属离子来说明。 将所述Cu 2+金属离子作为CuSO 4加入到达到至少0.5M的终浓度。通过透析去除金属离子。
    • 10. 发明申请
    • VERIFYING DATA CONSISTENCY AMONG MULTIPLE STRUCTURED FILES
    • 在多个结构化文件中验证数据一致性
    • WO2009029356A1
    • 2009-03-05
    • PCT/US2008/070561
    • 2008-07-18
    • AGARWAL, AnkitLAVANNIS, MaheshSINGH, Pradeep
    • AGARWAL, AnkitLAVANNIS, MaheshSINGH, Pradeep
    • G06F17/30
    • G06F17/30067
    • A scalable comparison structure and methodology is provided that is suitable for comparing select data content in hundreds or thousands of files in an efficient manner. Section delimiters are defined to identify the sections of the files within which the select data content is located, and sets of unique sections are identified based on the select data content within the section. Thereafter, comparisons and reports are based on these unique content sections. If multiple files include a common set of data, a single unique content section is used to represent these multiple files. File groups are optionally defined, and different sets of select data content can be compared based on these file groups. The result of the comparison is presented in multiple hierarchical forms, including an identification of which files are different from each other, and an identification of the differences among the unique content segments.
    • 提供了可扩展的比较结构和方法,适用于以有效的方式比较数百或数千个文件中的选择数据内容。 段定界符被定义为识别选择数据内容所在的文件的部分,并且基于该部分内的选择数据内容来识别唯一部分的集合。 此后,比较和报告是基于这些独特的内容部分。 如果多个文件包含一组通用数据,则使用单个唯一内容部分来表示这些多个文件。 可选地定义文件组,并且可以基于这些文件组来比较不同组的选择数据内容。 比较的结果以多种分层形式呈现,包括哪些文件彼此不同的标识以及唯一内容段之间的差异的识别。