Analytical performance

分析性能
  • 文章类型: Journal Article
    非白色念珠菌(NACS)已成为主要的公共卫生负担,尽管他们仍然被低估。一些NACS具有内在的抗真菌耐药性,需要持续的监测,以改善病人的护理和阻止顽固性念珠菌感染的爆发。然而,有效的念珠菌属物种监测依赖于基于PCR的技术或其他高端技术,而这些技术在资源不足的国家基本上负担不起.环介导等温扩增(LAMP)已成为传染病监测的潜在有效且负担得起的技术,尤其是在资源不足的环境中。
    我们严格地回顾了目前有关LAMP在纯真菌分离株中用于念珠菌属物种鉴定的文献,以及临床和非临床样本。
    LAMP已被研究用于念珠菌物种鉴定,包括NACS。除了短暂的周转时间,LAMP具有分析灵敏度和特异性,不仅高于培养方法,而且与常规和定量PCR技术相当。然而,在使用念珠菌属物种监测技术之前,需要使用各种类型的临床和环境样本对LAMP进行广泛评估。
    UNASSIGNED: Non-albicans Candida species (NACS) have emerged as a major public health burden, although they are still underappreciated. Some NACS have intrinsic antifungal resistance, requiring constant surveillance to improve patient care and thwart outbreaks of recalcitrant candida infections. However, effective Candida species surveillance has relied on PCR-based or other high-end techniques that are largely unaffordable in under-resourced countries. Loop-mediated isothermal amplification (LAMP) has emerged as a potentially effective and affordable technique for infectious disease surveillance, especially in under-resourced settings.
    UNASSIGNED: We critically reviewed current literature on the application of LAMP for Candida species identification in pure fungal isolates, and in clinical and non-clinical samples.
    UNASSIGNED: LAMP has been studied for Candida species identification, including the NACS. Besides a short turnaround time, LAMP has analytical sensitivity and specificity that are not only higher than culture method but also comparable with conventional and quantitative PCR techniques. However, extensive evaluation of LAMP for Candida species detection using various types of clinical and environmental samples is required before deploying the technique for Candida species surveillance.
    导出

    更多引用

    收藏

    翻译标题摘要

    我要上传

    求助全文

  • 文章类型: Journal Article
    Field effect transistor (FET) based sensors have attractive features such as small size, ease of mass production, high versatility and comparably low costs. Over the last decade, many FET type biosensors based on various nanomaterials (e.g. silicon nanowires, graphene, and transition metal dichalcogenides) have been developed to detect various classes of biomolecular targets due to their integration into portable and rapid test systems, both for use in the clinical lab and in point-of-care testing. This review (with 197 refs.) starts with an introduction into the specific features of FET biosensor technology. This is followed by a description of the essentials of methods for immobilization of recognition elements. The next section discusses the progress that has been made in FET based biosensors using semiconducting nanostructures composed of silicon, graphene, metal oxides, and transition metal dichalcogenides. A further section is devoted to microfluidic systems combined with FET biosensors. We then emphasize the biosensing applications of these diagnostic devices for analysis of clinically relevant biomarkers, specifically to sensing of neurotransmitters, metabolites, nucleic acids, proteins, cancer and cardiac biomarkers. Two tables are presented which summarize advances in applications of 1D and 2D nanomaterial-based FETs for biomarker sensing. A concluding section summarizes the current status, addresses current challenges, and gives perspective trends for the field. Graphical abstract Field effect transistor devices based on the use of 1D and 2D semiconductor nanostructures (so called nano-FETs) are making use of materials including silicon nanowires, graphene, zinc oxide, indium oxide, titanium oxide, and molybdenum disulfide that are further modified with recognition elements for biosensing application.
    导出

    更多引用

    收藏

    翻译标题摘要

    我要上传

       PDF(Sci-hub)

公众号