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Cardiac failure detection in 30 minutes: new approach based on gold nanoparticles

机译:30分钟内的心力衰竭检测:基于金纳米颗粒的新方法

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Cardiac failure occurs when heart is unable to pump sufficiently to maintain blood flow to meet the body's needs. The aim of this work is to detect highly expressed genes: follistatin-related protein 1 (FSTL1) in heart failure within 30 minutes, using gold nanoparticles. Gold nanoparticles were prepared by citrate reduction of HAuCl4 3H(2)O; probe sequence was designed based on the FSTL1 gene region. Preparation of gold nanoprobes (AuNPs) proceeded by treating all the containers with DEPC-treated water, followed by reduction and conjugation. Transmission electron microscopy shows that AuNPs were 10-15 nm in size. The concentration of the nanoprobes was 2.1 nM, and they bind to target. Real-time PCR shows an over-expression of FSTL1 and FSTL3 in heart failure (p<.05). Our data showed that elevated expression of the FSTL1 and FSTL3 is a marker of heart failure as detected within 30 minutes by the synthesised AuNPs; the method is accurate and fast.
机译:当心无法充分泵送以保持血液流动以满足身体需求时,发生心力衰竭。 这项工作的目的是使用金纳米颗粒在30分钟内检测高表达的基因:福尔汀相关蛋白1(FSTL1)在30分钟内。 通过柠檬酸盐还原Haucl4 3h(2)O制备金纳米颗粒; 基于FSTL1基因区域设计了探针序列。 通过将所有包含废水处理的水处理进行的金纳米素(AUNP)的制备进行,然后进行减少和缀合。 透射电子显微镜表明,AUNP尺寸为10-15nm。 纳米素的浓度为2.1nm,它们与靶标结合。 实时PCR显示心力衰竭(P <.05)中FSTL1和FSTL3的过表达。 我们的数据表明,FSTL1和FSTL3的升高表达是通过合成的AUNPS在30分钟内检测到的心力衰竭的标志物; 该方法准确且快速。

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