N S Vijila, Merin K Abraham, Greeshma Rajeevan, Geneva Indongo, Arathy B Kala, Sony George
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Red Emitting Fluorescent EuDPA Complex as a Probe for the Detection of Serotonin, A Neurotransmitter.
Serotonin, a neurotransmitter and also a biomarker for Alzheimer's as well as Carcinoid Syndrome. It has two important roles in the human body - central as well as peripheral. In the central nervous system, it acts as a neurotransmitter and controls all the brain functions and as a peripheral hormone, it controls the functions of several organs in the body. Herein, we developed a Europium dipicolinic acid (EuDPA) based lanthanide luminescent complex with bright red fluorescence. This fluorescence is further used for the detection of Serotonin (ST). On adding ST, the fluorescence of the probe is quenched. Also, the developed probe shows good selectivity towards other neurotransmitters & co-existing biomolecules. A LoD of 0.99 nM is achieved with this probe. Sensing based on paper-strip was done to check the practicability of the probe, and a real sample analysis was also conducted from spiked human serum/urine samples.
期刊介绍：
Journal of Fluorescence is an international forum for the publication of peer-reviewed original articles that advance the practice of this established spectroscopic technique. Topics covered include advances in theory/and or data analysis, studies of the photophysics of aromatic molecules, solvent, and environmental effects, development of stationary or time-resolved measurements, advances in fluorescence microscopy, imaging, photobleaching/recovery measurements, and/or phosphorescence for studies of cell biology, chemical biology and the advanced uses of fluorescence in flow cytometry/analysis, immunology, high throughput screening/drug discovery, DNA sequencing/arrays, genomics and proteomics. Typical applications might include studies of macromolecular dynamics and conformation, intracellular chemistry, and gene expression. The journal also publishes papers that describe the synthesis and characterization of new fluorophores, particularly those displaying unique sensitivities and/or optical properties. In addition to original articles, the Journal also publishes reviews, rapid communications, short communications, letters to the editor, topical news articles, and technical and design notes.
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