Development of a cost-effective and sustainable nanoplatform based on a green gold sononanoparticles/carbon black nanocomposite for high-performance simultaneous determination of nanoplastics,Environmental Science: Nano

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Development of a cost-effective and sustainable nanoplatform based on a green gold sononanoparticles/carbon black nanocomposite for high-performance simultaneous determination of nanoplastics
Environmental Science: Nano ( IF 5.8 ) Pub Date : 2022-07-11 , DOI: 10.1039/d2en00424k
Siwar Jebril _{1,

2} , María de Valme García-Moreno ₃ , José María Palacios-Santander ₄ , Chérif Dridi ₁ , Laura Cubillana-Aguilera ₄

Affiliation

A novel, simple, highly sensitive and eco-friendly nanoplatform was employed for the simultaneous determination of nanoplastics, namely hydroquinone (HQ), catechol (CC), and resorcinol (RC). Indeed, the electrochemical device was based on a carbon black (CB)/green gold sononanoparticles (AuSNPs) nanocomposite deposited on a Sonogel-Carbon electrode (SNGCE). CB has attracted much attention as a powerful nanomaterial due to its wide availability, cost-effectiveness, and high surface-to-volume ratio. Besides, for the first time, the synthesis of AuSNPs using Malva sylvestris leaf extract (MLE) and the high-energy ultrasound technique is reported. These AuSNPs were well characterized by a wide range of instrumental techniques. The combination between CB and AuSNPs gives rise to a nanocomposite characterized by a high surface area and good electro-conductivity. The electrochemical behavior of the CB/AuSNPs/SNGCE toward HQ, CC, and RC was studied by differential pulse voltammetry (DPV). Here, the sensitive and simultaneous detection of HQ, CC and RC was studied both in individual and triple-component solutions, resulting in low limits of detection (LODs) and a wide linear range. The LODs for HQ, CC and RC simultaneously detected were respectively: 1.7, 5.1, and 4.5 μM (S/N = 3). Furthermore, the amperometric sensor was successfully applied to detect these nanoplastics in tap, dam, and swamp water samples. HPLC was used as a reference method for validation purposes, reaching excellent agreement with the electrochemical methodology.

中文翻译：

开发基于绿金声纳米粒子/炭黑纳米复合材料的具有成本效益且可持续的纳米平台，用于高性能同时测定纳米塑料

一种新颖、简单、高灵敏度和环保的纳米平台被用于同时测定纳米塑料，即对苯二酚（HQ）、儿茶酚（CC）和间苯二酚（RC）。实际上，电化学装置基于沉积在 Sonogel-Carbon 电极 (SNGCE) 上的炭黑 (CB)/绿金声纳米粒子 (AuSNP) 纳米复合材料。CB 作为一种强大的纳米材料，因其广泛的可用性、成本效益和高比表面积而备受关注。此外，首次使用锦葵合成 AuSNP报道了叶提取物（MLE）和高能超声技术。这些 AuSNP 被广泛的仪器技术很好地表征。CB 和 AuSNP 的结合产生了一种纳米复合材料，其特点是具有高表面积和良好的导电性。通过差分脉冲伏安法 (DPV) 研究了 CB/AuSNPs/SNGCE 对 HQ、CC 和 RC 的电化学行为。在这里，研究了单独和三组分溶液中 HQ、CC 和 RC 的灵敏和同时检测，从而获得低检测限 (LOD) 和宽线性范围。同时检测到的 HQ、CC 和 RC 的 LOD 分别为：1.7、5.1 和 4.5 μM (S/N = 3)。此外，电流传感器已成功应用于检测自来水、大坝和沼泽水样中的这些纳米塑料。

更新日期：2022-07-11

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