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A dichloro-substituted salicylimine as a bright yellow emissive probe for Al3+

Paper ID Volume ID Publish Year Pages File Format Full-Text
25981 43926 2016 8 PDF Available
Title
A dichloro-substituted salicylimine as a bright yellow emissive probe for Al3+
Abstract

•A new fluorescent probe SB-1 was explored for Al3+ with nanomolar detection ability.•X-ray crystal structure of SB-1 was also studied.•This sensing ability was explained by theoretical calculations.•The SB-1 was able to illuminate Al3+ inside the cells.

A salicylimine based Al3+ specific fluorescent turn on probe (SB-1) was designed, characterized and evaluated through various spectroscopic techniques. The 1:1 chemical interaction between SB-1 and Al3+ takes place through ONO donor sites leading to chelation enhanced fluorescence (CHEF). The lowest detection limit for this measurement was found to be 7.69 × 10−9 M. The binding interaction of SB-1 with Al3+ was studied through 1H & 13C NMR studies, IR as well as through DFT calculations. The HeLa live cells were found to be permeable enough for SB-1 and was able to detect Al3+ inside the cells through confocal microscope.

Graphical abstractA dichloro-substituted salicylimine (SB1) detected Al3+ down to nanomolar level through bright yellow emission.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Fluorescent sensor; Al3+; CHEF; Cell imaging; Density functional theory
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A dichloro-substituted salicylimine as a bright yellow emissive probe for Al3+
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 329, 1 October 2016, Pages 69–76
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us