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1.张家口卷烟厂有限责任公司,河北 张家口 075000
2.河北中烟工业有限责任公司,河北 石家庄 052165
李自娟,硕士,高级工程师,研究方向:制丝工艺,E-mail:38100443@qq.com
纸质出版日期:2024-12-15,
收稿日期:2024-04-17,
修回日期:2024-05-10,
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李自娟,林洁,解民,吕萱,王佳,马燕玲,陈娇娇,赵海洋,高杨,孙朔,彭瞾.多发射荧光纳米量子点用于卷烟油污溯源鉴别的编码方法构建[J].分析测试学报,2024,43(12):1893-1901.
LI Zi-juan,LIN Jie,XIE Min,L Xuan,WANG Jia,MA Yan-ling,CHEN Jiao-jiao,ZHAO Hai-yang,GAO Yang,SUN Shuo,PENG Zhao.Development of Coding Method for Traceability Identification of Cigarette Oil Pollution Based on Multi Emission Fluorescent Nanoquantum Dots[J].Journal of Instrumental Analysis,2024,43(12):1893-1901.
李自娟,林洁,解民,吕萱,王佳,马燕玲,陈娇娇,赵海洋,高杨,孙朔,彭瞾.多发射荧光纳米量子点用于卷烟油污溯源鉴别的编码方法构建[J].分析测试学报,2024,43(12):1893-1901. DOI: 10.12452/j.fxcsxb.24041702.
LI Zi-juan,LIN Jie,XIE Min,L Xuan,WANG Jia,MA Yan-ling,CHEN Jiao-jiao,ZHAO Hai-yang,GAO Yang,SUN Shuo,PENG Zhao.Development of Coding Method for Traceability Identification of Cigarette Oil Pollution Based on Multi Emission Fluorescent Nanoquantum Dots[J].Journal of Instrumental Analysis,2024,43(12):1893-1901. DOI: 10.12452/j.fxcsxb.24041702.
卷烟生产中的油烟污染会导致烟支产生面积大小不一,形状不同的油性斑点,影响烟支质量。卷烟生产线用油点位多,工段流程长,难以对漏油点位精确定位,影响生产效率。针对上述问题,该文基于多发射荧光纳米量子点构建了编码系统用于卷烟油污溯源鉴别。通过控制Se添加量、改变配体环境制备了发射峰在636 nm的CdSe量子点及发射峰分别在553、568、595 nm的CdSe/ZnS量子点。将4种量子点进行排列组合,实现了对同一油品15个不同用油点位的编码标记,通过提取烟支上的油污并测定其发射光谱即可对漏油点位进行快速定位。该文构建的编码系统具有较好的稳定性,量子点在油品中储存1 224 h后仍有突出的检测信号,且油斑面积为0.136 cm
2
时,检测信噪比可达3.36以上。所制备的量子点在抗磨液压油、齿轮油以及润滑油中的时效稳定性均较好。
The oil-smoke pollution generated in cigarette production will cause oily spots with different sizes and shapes,which will affect the sensory quality of the cigarettes. To address the problems,this paper constructs a coding system based on multi-emission fluorescent nano-quantum dots with four independent emission peaks(553,568,595 and 636 nm) for cigarette oil traceability and identification. The four quantum dots can be combined and coded to mark 15 different oil points of the same oil product,and the emission spectra measured by fluorescence spectrometer can be used to locate the oil leakage point quickly after extracting the oil on the cigarette. The coding system constructed in this paper demonstrates robust stability,with the quantum dots retaining a pronounced detection signal after 1 224 hours of storage in the oil. In particular,the detection signal-to-noise ratio can reach a value exceeding 3.36 at an oil spot area of 0.136 cm². In addition,quantum dots have good aging stability in anti-wear hydraulic oil,gear oil and lubricating oil.
纳米量子点编码油污溯源荧光标记快速检测卷烟
nano-quantum dotcodingoil pollution traceabilityfluorescent labelingrapid detectioncigarette
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