4 条结果 关键词:肺炎克雷伯菌 ×

Simultaneous Nucleic Acids Detection and Elimination of Carryover Contamination With Nanoparticles-Based Biosensor- and Antarctic Thermal Sensitive Uracil-DNA-Glycosylase-Supplemented Polymerase Spiral Reaction.

Frontiers in bioengineering and biotechnology 2019 Wang Y, Jiao WW, Wang Y, Sun L 等 13 人

本研究提出一种新型等温诊断方法,称为纳米颗粒生物传感器(NB)联合南极热敏感尿嘧啶-DNA糖基化酶(ATSU)辅助的聚合酶螺旋反应(PSR,NB-ATSU-PSR)。该方法将携带污染物的酶切消化与等温核酸扩增(PSR)结合,可在同一封闭管中同时完成核酸序列检测和消除携带污染,从而避免开管操作导致的假阳性。研究以肺炎克雷伯菌为模型验证...

Detection of Nucleic Acids and Prevention of Carryover Contamination Using Cross-Priming Amplification Combined with Nanoparticles-Based Biosensor and Antarctic Thermal Sensitive Uracil-DNA-Glycosylase.

Journal of biomedical nanotechnology 2019 Wang Y, Sun L, Li JQ, Wang ZM 等 12 人

本研究报道了一种交叉引物扩增(CPA)方案,利用南极热敏感尿嘧啶-DNA糖基化酶(AUDG)同时实现核酸检测与防污染。扩增产物通过纳米颗粒侧流生物传感器(LFB)检测。该方法仅需一条标记引物,无需标记探针,可消除两条标记引物之间或探针与标记引物之间非特异杂交导致的假阳性。CPA扩增与AUDG切割在同一管中进行,密闭反应体系可避免气溶...

Isothermal amplification and rapid detection of Klebsiella pneumoniae based on the multiple cross displacement amplification (MCDA) and gold nanoparticle lateral flow biosensor (LFB).

PloS one 2018 Niu L, Zhao F, Chen J, Nong J 等 10 人

肺炎克雷伯菌(Klebsiella pneumoniae, K. pneumoniae)是引起院内感染和暴发的重要病原菌。本研究建立了一种基于多重交叉置换扩增(multiple cross displacement amplification, MCDA)的K. pneumoniae快速检测方法,可在65°C等温扩增40 min内获...

Rapid, sensitive and reliable detection of Klebsiella pneumoniae by label-free multiple cross displacement amplification coupled with nanoparticles-based biosensor.

Journal of microbiological methods 2018 Wang Y, Yan W, Wang Y, Xu J 等 5 人

肺炎克雷伯菌(Klebsiella pneumoniae)是重要的医院获得性细菌,可导致老年人、新生儿和免疫受损人群严重发病和死亡。本研究建立了一种基于rcsA基因的无标记多重交叉置换扩增(MCDA)结合侧流生物传感器(LFB)方法,用于快速、简便、灵敏地检测肺炎克雷伯菌。MCDA反应在65°C固定温度下进行30 min,扩增结果直...