Both tetracycline antibiotics (TC) and Bacillus anthracis are highly resistant to extreme environments. However, there are few studies on the intelligence detection of these two substances by establishing different detection channels. In this research, dual rare-earth coordination polymers were prepared for the detection of Bacillus anthracis and tetracycline. As a unique biomarker of B. anthracis, 2,6-pyridine dicarboxylic acid (DPA) can enhance the green fluorescence emission of Tb, achieving a fluorescence change from red to yellowish-green under 282 nm excitation light. Under the excitation light of 395 nm, the TC can coordinate to Eu and sensitize Eu to emit light through the “antenna effect,” thus achieving the fluorescence change from colorless to red. To validate the protocol's applicability in environmental samples, we detected tetracycline and Bacillus anthracis in milk, honey, and tap water. In addition, quick sensing of Bacillus anthracis in soil and tetracycline on the surface of fruits was also achieved by glove-based portable sensors. Furthermore, combined with the color recognition, liquid crystal display, and intelligent voice output system in 51 microcontrollers, it can realize the intelligent and instantaneous detection of various target molecules in real life, which had a wide range of application value and prospects.

中文翻译：

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集成颜色识别、液晶显示和语音输出模块的多色荧光传感系统，用于智能检测两个目标

四环素抗生素（TC）和炭疽杆菌都对极端环境具有高度抵抗力。但通过建立不同的检测通道对这两种物质进行智能检测的研究还很少。本研究制备了双稀土配位聚合物用于炭疽杆菌和四环素的检测。作为炭疽杆菌的独特生物标志物，2,6-吡啶二甲酸（DPA）可以增强Tb的绿色荧光发射，在282 nm激发光下实现从红色到黄绿色的荧光变化。在395 nm的激发光下，TC可以与Eu配位，通过“天线效应”敏化Eu发​​光，从而实现荧光从无色变为红色。为了验证该协议在环境样品中的适用性，我们在牛奶、蜂蜜和自来水中检测到了四环素和炭疽杆菌。此外，基于手套的便携式传感器还实现了对土壤中炭疽杆菌和水果表面四环素的快速传感。此外，结合51单片机中的颜色识别、液晶显示、智能语音输出系统，可以实现现实生活中各种目标分子的智能瞬时检测，具有广泛的应用价值和前景。