Tuning of azine derivatives for selective recognition of Ag plus with the in vitro tracking of endophytic bacteria in rice root tissue

abstract

Several azine derivatives have been prepared and structurally characterized by spectroscopic and single-crystal X-ray diffraction analysis. Two of them, viz. naphthalene based (A10) and anthracene based (A11) show fluorescence enhancement in the presence of Ag+ in aqueous-methanol. Moreover, A11 efficiently tracks Ag+ in vitro endophytic bacteria infected rice root tissue. Experimental results have been substantiated by theoretical DFT calculations.

keywords

RESPONSIVE FLUORESCENT COMPOUNDS; AQUEOUS-SOLUTION; SILVER IONS; METAL-IONS; TURN-ON; EXCITED-STATE; ZINC ION; SENSOR; CHEMOSENSORS; CHARGE

subject category

Chemistry

authors

Ghosh, A; Adhikari, S; Ta, S; Banik, A; Dangar, TK; Mukhopadhyay, SK; Matalobos, JS; Brandao, P; Felix, V; Das, D

our authors

acknowledgements

AG is grateful to BU for fellowship. We thank Dr A Banerjee, Department of Chemistry & Biochemistry, the University of Texas at Austin, USA for routine cell imaging studies. We sincerely acknowledge USIC, BU for providing the XRD facility for some ligands. The single crystal X-ray structure determinations were also carried out at the University of Aveiro, supported by FCT/MEC via financial support to the CICECO-Aveiro Institute of Materials (FCT UID/CTM/50011/2013) and the iBiMED-Institute of Biomedicine (FCT UID/BIM/04501/2013) through national funds and, when applicable, co-financed by FEDER, within the PT2020 Partnership Agreement.

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