The effects of magnetite particles encapsulated in dihexadecyl phosphate (DHP) vesicles on the luminescence characteristics of molecules |
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| Institution: | 1. Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Third Hospital of Shanxi Medical University, Tongji Shanxi Hospital, Shanxi Province Clinical Theranostics Technology Innovation Center for Immunologic and Rheumatic Diseases, Shanxi Province Clinical Research Center for Dermatologic and Immunologic Diseases (Rheumatic diseases), Taiyuan 030032, China;2. College of Chemistry and Chemical Engineering & Institute of Environmental Science, Shanxi University, Taiyuan, China;1. College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, 325035, China;2. The University of Texas at Austin, Department of Chemistry and Biochemistry, 1 University Station A5300, Austin, TX, 78712, United States;1. State Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi''an Jiaotong University, Xi''an, Shaanxi 710049, China;2. School of Chemical Engineering, The University of Adelaide, Adelaide, South Australia 5005, Australia;3. Department of Environmental Science and Engineering, State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi''an Jiaotong University, Xi''an, Shaanxi 710049, China |
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| Abstract: | Luminescence of organic molecules is observed in DHP vesicles in the absence and presence of magnetite encapsulated in the vesicles. Room temperature phosphorescence calibration curves for carbazole were constructed at 297/440 nm and at 330/440 nm in the absence and presence of magnetite. The linear dynamic range was found to be over 2.5 orders of magnitude. At 297/440 nm, the limits LOD's were found to be 30 ng/ml and 9 ng/ml in the absence and presence of magnetite, respectively. At 330/440 nm, the LOD's were found to be 30 ng/ml both in the presence and absence of magnetite. The effect of the internal magnetic field on the luminescence properties of various molecules is discussed. The precision of the method ranged from ∼ 1 % to ∼ 40%. |
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