A pH tuning single fluorescent probe based on naphthalene for dual-analytes (Mg2+ and Al3+) and its application in cell imaging. Issue 36 (5th June 2020)

• Record Type: Journal Article
• Authors: Yu, Chunwei; Cui, Shuhua; Ji, Yuxiang; Wen, Shaobai; Jian, Li; Zhang, Jun
• Is Part Of: RSC advances. Volume 10:Issue 36(2020)
• Page Start: 21399
• Page End: 21405
• Publication Date: 2020-06-05
• Subjects: Chemistry -- Periodicals; 540.5
• DOI: 10.1039/d0ra02101f
• Languages: English
• ISSNs: 2046-2069

Abstract

Abstract : In this study, a naphthalene Schiff-base P which serves as a dual-analyte probe for the quantitative detection of Al 3+ and Mg 2+ has been designed. Abstract : In this study, a naphthalene Schiff-base P which serves as a dual-analyte probe for the quantitative detection of Al 3+ and Mg 2+ has been designed. The proposed probe showed an ''off–on'' fluorescent response toward Al 3+ in ethanol–water solution (1 : 9, v/v, pH 6.3, 20 mM HEPES) over other metal ions and anions, while the detection by the probe could be switched to Mg 2+ by regulating the pH from 6.3 to 9.4. The sensing mechanisms of P to Al 3+ /Mg 2+ are attributed to inhibition of the photo-induced electron transfer (PET) process by the formation of 1 : 1 ligand–metal complexes. More importantly, the probe was applied successfully in living cells for the fluorescent cell-imaging of Al 3+ and Mg 2+ .