2023年9月21日 · In this study, we developed an annealed AgNPs/PSB composite SERS substrate using PSB as a substrate, synthesized by an immersion plating and heat treatment method, and used serum SERS...

2021年6月11日 · In this paper, a three-dimensional (3D) SERS substrate based on ordered micropyramid array and silver nanoparticles (MPA/AgNPs 3D-SERS) was constructed using the roll-to-plate embossing technology and a hydrothermal method, which provided an efficient and low-cost preparation process for the SERS substrate.

4 天之前 · In SERS applications, the use of AgNps-coated porous boron nitride fiber substrates has been found to reduce Ag aggregation, exhibit high activity in determining contaminant concentration in solutions even at very low concentrations, and prevent the formation of noise [27]. It was also found that the use of SERS substrates with hybrid structure ...

2024年8月5日 · In this study, we developed a novel type of surface-enhanced Raman scattering (SERS) chip composed of a covalent organic framework (COF)-silver nanoparticles (AgNPs) nanocomposite, and this nanocomposite was fabricated by a one-step method of ultrasonically mixing the obtained COF and AgNPs.

2019年4月10日 · AgNPs-plated-ZnO nanoflower (NFs)-like structures (Ag@ZnO NFs) with optimised signals were synthesised via wet chemical method at different temperatures (50–80 °C). The enhancement factors (EFs) computed for the resultant Ag@ZnO ranged between 2.36–8.46×10 7 obtained at the different temperatures using 4-aminothiophenol (4-ATP).

2024年3月1日 · Based on AgNPs/MOF substrate, we developed a sandwich SERS sensor with two ssDNA, probe DNA (pDNA) and capture DNA (cDNA), which can recognize and capture target DNA (tDNA) through a hybridization reaction. The pDNA and 4-mercaptobenzoic acid (4-MBA) were bonded on AgNPs/MOF to construct a SERS-probe, while the …

2025年2月20日 · The surface-enhanced Raman scattering (SERS), dependent on metal nanoparticle substrate structure and morphology, presents a powerful analytic tool across diverse fields such as food safety, environm...

摘要: 构建了一种具有纳米碗阵列结构的柔性表面增强拉曼散射(SERS) 基底, 并对罗丹明6G和福美双进行了检测分析。 首先利用气- 液自组装法在玻璃片上制备单层聚苯乙烯(PS) 微球薄膜, 然后将液-液界面自组装法得到的单层银纳米颗粒转移至PS 微球薄膜上, 再把聚二甲基硅氧烷(PDMS) 涂敷于银纳米颗粒上,经烘干和剥离得到AgNPs@ PDMS 纳米碗阵列基底。

在此，基于 tmb-agnps@cof 的 sers 探针被设计用于快速检测饮料中的葡萄糖。sers探针以银纳米粒子负载共价有机骨架（cofs）为底物，引入3,3',5,5'-四甲基联苯胺（tmb）作为信号分子，解决了葡萄糖sers信号弱的问题。制造的 sers 探针表示为 tmb-agnps@cof。

2018年12月14日 · The results of XPS and UV–Vis spectroscopy unambiguously establish significant interaction between the nitrogen sites of g-CN and AgNPs. The AgNPs@g-CN yielded very high SERS enhancement for toluidine blue at very low concentration (2.5 × 10−09 M), and the SERS results are reproducible.