项目名称: 基于纳米材料和适配体的多元信号放大策略及在微芯片和毛细管电泳中的应用研究
项目编号: No.21465005
项目类型: 地区科学基金项目
立项/批准年度: 2015
项目学科: 数理科学和化学
项目作者: 李舒婷
作者单位: 广西师范大学
项目金额: 55万元
中文摘要: 本项目立足重大疾病临床迫切解决的早期诊断问题,基于核酸适配体的分子识别和核酸杂交信号放大、纳米材料信号放大的独特性能,集合微流控芯片电泳和毛细管电泳分离技术的优势,探索适合于微流控芯片电泳和毛细管电泳分析的多元信号放大体系,发展一系列具有原创性的高灵敏(检测病标志物时检测限达到10-12至10-15 mol/L)、高选择性的微流控芯片电泳和毛细管电泳激光诱导荧光、化学发光检测新技术。解决芯片和毛细管电泳因检测窗口小,检测灵敏度低,难以应用于痕量生物活性物质检测的核心科学问题。建立可用于多种痕量疾病标志物同时检测的芯片和毛细管电泳分析新方法,并将其应用于肿瘤及其它疾病标志物、重要生物活性物质、细胞内痕量组分分析及药物代谢和免疫分析等领域。为生物医学研究、疾病早期诊断、药物筛选等提供新的技术平台。
中文关键词: 毛细管电泳;纳米材料;微芯片电泳;核酸适配体;信号放大
英文摘要: Present project focus on the major problem that is urgent for early diagnosis of clinical disease,combine the advantage of nucleic acid signal amplification,nanomaterials signal amplification and microfluidic chip electrophoresis separation technology, to explore multiple signals amplification system which is suitable for microfluidic chip and capillary electrophoresis analysis, and develop a series of original high sensitive (10-12 to 10-15 mol/L for the detection of disease markers) analytical technology for microchip and capillary electrophoresis with laser-induced fluorescence and chemiluminescence detection, and upbuild a series of microfluidic chip and capillary electrophoresis new methods for simultaneous detection of several disease markers. The proposed methods will be applied to many fields including cancer and other disease markers analysis,important biological active substance analysis,single cell analysis, drug metabolism and immunoassay etc, and provides a new technical platform for biomedical research, early diagnosis of diseases and drug screening.
英文关键词: capillary electrophoresis;nanomaterial;microchip electrophoresis;aptamer;signaling amplification