Multiway data analysis approach toward understanding of photoluminescence and energy transfer in carbon nanodots

Bagheri, Saeed; Kompany‐Zareh, Mohsen; Karimpour, Touraj

doi:10.1002/bio.3738

Cited by 5 publications

(1 citation statement)

References 43 publications

(72 reference statements)

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“…Energy transfer is one of the classical methods for improving signals and sensitivity in liquid-phase luminescence, , but it is rarely used in gas–solid reactions. Recent research studies ,, found that energy transfer can also occur in gas–solid reaction and produced efficient CTL by introducing rare earth elements which can also emit light at high temperature.…”

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confidence: 99%

Ratiometric Cataluminescence Sensor of Amine Vapors for Discriminating Meat Spoilage

Pei

Song

et al. 2021

Anal. Chem.

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The freshness of meat has always been the focus of attention from consumers and suppliers for health and economic reasons. Usually, amine vapors, as one of the main components of the gas produced in the process of meat spoilage, can be used to monitor meat spoilage. Here, a new ratiometric cataluminescence (CTL) sensor based on energy transfer was developed to identify amine vapors and monitor meat freshness. After Tb doping, amine vapors exhibit a dual-wavelength (490 and 555 nm) property of CTL signals when reacted on the surface of Tb-doped La2O2CO3, and the ratio of I 555 to I 490 (R 555/490) is a unique value for a given analyte within a wide range of concentrations. To illustrate the new sensor, 15 amine vapors were successfully identified using R 555/490, including homologues and isomers. Besides, this sensor was used to monitor four meats, and the freshness of meats can be distinguished by cluster analysis successfully. Moreover, further discussion of energy-transfer phenomena and influence factors has facilitating effects on exploring the mechanism of energy transfer at the gas–solid interface.

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