Boron Schiff bases derived from a-amino acids as nucleoli/cytoplasm cell-staining fluorescent probes in vitro
Fecha
2020-08-26
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Perfil ORCID
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Editor
The Royal Society of Chemistry
ISBN
ISSN
2046-2069
ISSNe
Resumen
The size, shape, and number of nucleoli in a cell's nucleus might help to distinguish a malignant from a benign tumor. Cellular biology and histopathology often require better visualization to understand nucleoli-related processes, thus organelle-specific fluorescent markers are needed. Here, we report the design, synthesis, and fully chemo-photophysical characterization of fluorescent boron Schiff bases (BOSCHIBAs), derived from a-amino acids (i.e., phenylalanine, tyrosine and tryptophan), with nucleoli- and cytoplasm-specific staining in cells. It is the first time that Boron Schiff bases derived from a-amino acids act as notorious dual (nucleoli and cytoplasm) cell-staining fluorescent probes. The boron derivatives not only showed good photostability and acceptable quantum yields ($5%) in solution, but also exhibited low cytotoxicity (>90% cell viability at 0.1 and 1 mg mL 1), which make them good candidates to be used in medical diagnosis.
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RSC Advances, Vol. 10, N° 53 (2020) p. 31748-31757
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Atribución-NoComercial-CompartirIgual 3.0 Chile (CC BY-NC-SA 3.0 CL)