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Design and Analysis of an SPR Sensor Based on Antimonene and Platinum for the Detection of Formalin
IEEE Transactions on NanoBioscience ( IF 3.9 ) Pub Date : 2022-03-14 , DOI: 10.1109/tnb.2022.3159532
Maneesh Kumar Singh , Sarika Pal , Yogendra Kumar Prajapati

Detection of formalin to prevent food adulteration, especially in tropical countries, is of primary concern for public health issues. Life-threatening diseases such as leukaemia and lymphoma occur due to the regular consumption of formalin with food. Traditionally, spectrophotometry and chromatography-based sensors have been employed to detect formalin, which have limitations related to their ability to achieve high sensitivity, selectivity, and fast response. In this paper, a surface plasmon resonance (SPR) sensor for improved sensing of formalin is proposed. The Kretschmann configured SPR sensor probe is designed using silver (Ag), platinum (Pt), antimonene, and chitosan, which increases the sensitivity and selectivity. The maximum sensitivity achieved for the proposed SPR sensor is 206.86 °/RIU. The distribution of the electric field (Ey) component of the electric field is also evaluated to analyze the field enhancement at different layer interfaces and to calculate the penetration depth (176.75 nm).

中文翻译:

基于锑烯和铂的福尔马林检测 SPR 传感器的设计与分析

检测福尔马林以防止食品掺假,尤其是在热带国家,是公共卫生问题的首要关注点。由于经常食用福尔马林和食物,会发生危及生命的疾病,如白血病和淋巴瘤。传统上,分光光度法和基于色谱法的传感器已被用于检测福尔马林,它们在实现高灵敏度、选择性和快速响应的能力方面存在局限性。在本文中,提出了一种用于改进福尔马林感测的表面等离子体共振 (SPR) 传感器。Kretschmann 配置的 SPR 传感器探头采用银 (Ag)、铂 (Pt)、锑烯和壳聚糖设计,提高了灵敏度和选择性。所提出的 SPR 传感器实现的最大灵敏度为 206.86 °/RIU。
更新日期:2022-03-14
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