文献类型：期刊文献

英文题名：Innovative Nfc-Based Flexible Sensing System for Wireless and Battery-Free Detection of H?S: A Game-Changer in Real-Time Fresh Food Freshness Evaluation

作者：Shi, Ning[1,2]; Tong, Yan[1]; Xu, Boyang[3]; Ge, Xiaohu[4]; Cao, Yueqiang[4]; Han, Yu[1]; Chen, Yunda[1]; Luo, Anxin[1]; Wang, Xiaochan[5]; Liu, Gang[6]; Zhao, Xiande[7,8]; Zhao, Guo[1]

机构：[1] College of Artificial Intelligence, Nanjing Agricultural University, Nanjing, 210031, China; [2] College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, China; [3] College of Engineering, Nanjing Agricultural University, Nanjing, 210031, China; [4] State Key Laboratory of Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China; [5] College of Engineering, Nanjing Agricultural University [NAU], Nanjing, 210031, China; [6] Key Lab of Modern Precision Agriculture System Integration Research, Ministry of Education of China, China Agricultural University, Beijing, 100083 PR, China; [7] Research Center of Intelligent Equipment, Beijing Academy of Agriculture and Forestry Sciences, Beijing, 100097, China; [8] Key Laboratory of Agricultural Sensors, Ministry of Agriculture and Rural Affairs, Beijing, 100097, China

年份：2025

外文期刊名：SSRN

收录：EI(收录号：20250310618)

语种：英文

外文关键词：Near field communication - Supply chains

摘要：Worldwide, approximately 1.3 billion tons of food are wasted yearly, with food spoilage accounting for up to one-third of the total. However, there is no effective way to monitor the freshness of fresh food. Here, a flexible, high-sensitive, wireless NFC-based sensor system for real-time assessment of fresh food freshness was developed by detecting H?S concentration changes (ppb-level) via a smartphone. A threshold adjustment theory (TAT) was proposed and optimized to relate NFC-tag sensor readability to H?S concentration, providing a practical solution for monitoring fresh food quality throughout the supply chain. The NFC-tag sensors were integrated into salmon packages and successfully used to monitor the freshness of salmon for five consecutive days at 0-5 ℃. The salmon exhibited a response of 115.4% by day 4 and was judged to be spoiled. This low-cost, miniature, wireless NFC-tag sensor is easy to integrate into food packaging and offers a promising solution for combating food spoilage and reducing wastage globally. ? 2025, The Authors. All rights reserved.