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微波辅助合成银纳米颗粒作为过氧化氢的比色传感器。

Microwave-assisted synthesis of silver nanoparticles as a colorimetric sensor for hydrogen peroxide.

作者信息

Ismillayli Nurul, Suprapto Suprapto, Santoso Eko, Nugraha Reva Edra, Holilah Holilah, Bahruji Hasliza, Jalil Aishah Abdul, Hermanto Dhony, Prasetyoko Didik

机构信息

Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember Keputih, Sukolilo Surabaya 60111 Indonesia

Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Mataram Mataram 83125 Indonesia.

出版信息

RSC Adv. 2024 Feb 23;14(10):6815-6822. doi: 10.1039/d3ra07775f. eCollection 2024 Feb 21.

DOI:10.1039/d3ra07775f
PMID:38405073
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10885683/
Abstract

To consider silver nanoparticles (AgNPs) as a colorimetric sensor for HO we require investigation of the effects of the homogeneity of the nanoparticle size and morphology on the sensor parameters. Uniformly-sized Ag nanoparticles with diameters of ∼18.8 ± 2.8 nm were produced using microwave irradiation (AgNP1) but non-uniform particles with diameters of ∼71.2 ± 19.4 nm (AgNP2) were formed without microwave irradiation. Microwave synthesis produced AgNP1 with superiority in terms of repeatability, selectivity and sensor stability for up to eight months of storage over AgNP2. AgNP1 exhibited higher sensitivity and detection limits in the working range of 0.01-40000 μM as compared to AgNP2. The application of the AgNP sensor to milk samples provided recovery values of 99.09-100.56% for AgNP1 and 98.18-101.90% for AgNP2. Microwave irradiation resulted in strong and uniform PVP-Ag interactions for isotropic growth into small nanoparticles. Size and morphology uniformity determined the characteristics of the AgNP sensor that can be applied for HO detection in a wide range of concentrations and real-time evaluation, with the potential for industrial applications.

摘要

要将银纳米颗粒（AgNPs）视为用于过氧化氢（HO）的比色传感器，我们需要研究纳米颗粒尺寸和形态的均匀性对传感器参数的影响。使用微波辐射制备了直径约为18.8±2.8 nm的尺寸均匀的银纳米颗粒（AgNP1），而未使用微波辐射形成了直径约为71.2±19.4 nm的非均匀颗粒（AgNP2）。与AgNP2相比，微波合成制备的AgNP1在重复性、选择性和传感器稳定性方面具有优势，可储存长达八个月。在0.01 - 40000 μM的工作范围内，AgNP1比AgNP2表现出更高的灵敏度和检测限。将AgNP传感器应用于牛奶样品时，AgNP1的回收率为99.09 - 100.56%，AgNP2的回收率为98.18 - 101.90%。微波辐射导致聚乙烯吡咯烷酮 - 银之间形成强烈且均匀的相互作用，实现各向同性生长形成小纳米颗粒。尺寸和形态的均匀性决定了AgNP传感器的特性，该传感器可用于在广泛浓度范围内检测过氧化氢并进行实时评估，具有工业应用潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0724/10885683/9bf10e581c71/d3ra07775f-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0724/10885683/55902c498946/d3ra07775f-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0724/10885683/572fca68b84e/d3ra07775f-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0724/10885683/ca848b48e4e6/d3ra07775f-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0724/10885683/ba3245417dd2/d3ra07775f-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0724/10885683/9bf10e581c71/d3ra07775f-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0724/10885683/55902c498946/d3ra07775f-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0724/10885683/419a73f8464a/d3ra07775f-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0724/10885683/572fca68b84e/d3ra07775f-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0724/10885683/ca848b48e4e6/d3ra07775f-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0724/10885683/ba3245417dd2/d3ra07775f-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0724/10885683/9bf10e581c71/d3ra07775f-f6.jpg

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