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Title: Aza-BODIPY Dye as Near Infrared Fluorescent Marker for Tagging Petroleum Products
Authors: Pornthip Piyanuch
Pramsak Patawanich
Sasiwimon Kraithong
Sopida Thavornpradit
Patchanita Thamyongkit
Vinich Promarak
Nantanit Wanichacheva
Keywords: fluorescent dye
fluorescent marker
petroluem marker
near-infrared marker
Issue Date: 2020
Publisher: Faculty of Science, Chiang Mai University
Citation: Chiang Mai Journal of Science 47,5 (Sep 2020), p.1035-1043
Abstract: A new near-infrared fluorescent compound based on Aza-BODIPY derivative was designed and successfully synthesized as a taxation petroleum marker. The fluorescence emission of the new marker in the near-infrared region could help eliminating the interference of other compositions in the petroleum products, and the marker could be simply quantified by fluorescence spectroscopy. This new Aza-BODIPY marker was also functionalized by long-chain hydrocarbon via amide formation, therefore, its solubility in petroleum products was superior than the available commercial makers. Consequently, the new Aza-BODIPY marker was highly soluble in different fuel oils including diesel and gasohol. The fluorescence emission of the marker was in NIR frequencies which helped avoiding the interferences of petroleum products, which included diesel, gasohol 91, and gasohol 95, even at low concentrations of the marker at 1, 2, 4, 6, 8, and 10 ppm. Moreover, this fluorescent petroleum marker was not only stable under storage for at least 3 months but the marker also did not affect the physical properties of the fuel oils at a concentration of 2 ppm according to the American Society for Testing and Materials standard (ASTM).
Description: The Chiang Mai Journal of Science is an international English language peer-reviewed journal which is published in open access electronic format 6 times a year in January, March, May, July, September and November by the Faculty of Science, Chiang Mai University. Manuscripts in most areas of science are welcomed except in areas such as agriculture, engineering and medical science which are outside the scope of the Journal. Currently, we focus on manuscripts in biology, chemistry, physics, materials science and environmental science. Papers in mathematics statistics and computer science are also included but should be of an applied nature rather than purely theoretical. Manuscripts describing experiments on humans or animals are required to provide proof that all experiments have been carried out according to the ethical regulations of the respective institutional and/or governmental authorities and this should be clearly stated in the manuscript itself. The Editor reserves the right to reject manuscripts that fail to do so.
ISSN: 2465-3845
Appears in Collections:CMUL: Journal Articles

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