A New Isoindoline Based Schiff Base Derivative as Cu(II) Chemosensor: Synthesis, Photophysical, DNA Binding and Molecular Docking Studies

被引：27

作者：

Nayab, Pattan Sirajuddin ^{[1
]}

Pulaganti, Madhusudana ^{[2
]}

Chitta, Suresh Kumar ^{[2
]}

Rahisuddin ^{[1
]}

机构：

[1] Jamia Millia Islamia, Dept Chem, New Delhi 110025, India

[2] Sri Krishnadevraya Univ, Dept Biochem, Ananthapuram 515003, India

来源：

JOURNAL OF FLUORESCENCE | 2015年 / 25卷 / 06期

关键词：

Phthalimide; pH sensor; Cu(II) sensor; Molecular modeling; Ct-DNA binding studies; CIRCULAR-DICHROISM; FLUORESCENT SENSOR; CRYSTAL-STRUCTURE; COPPER(II); COMPLEXES; LIGAND; IONS; SPECTROMETRY; CLEAVAGE; DESIGN;

D O I：

10.1007/s10895-015-1664-4

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A new chemo sensor 2-(4-methylbenzylideneamino)-isoindoline-1,3-dione (PDB) was synthesized and characterized by UV-Vis., IR, H-1 NMR, C-13 NMR spectral and elemental analysis. Its photophysical properties in organic solvents with different polarity were studied. The sensitivity of the PDB in different pH solutions was investigated and the results indicated that PDB would be able to act as an efficient "off-on-off" switch for pH. This chemosensor displayed high selectivity towards Cu2+ in the presence of metal ions Ba2+, Cd2+, Co2+, Hg2+, Ni2+, Pb2+, K+ and Zn2+ in DMF/H2O solution. Furthermore DNA binding and molecular docking studies were also carried out to investigate the biological potential of the test compound. The interaction of compound (PDB) with Ct-DNA was examined by absorption, CD spectroscopy, cyclic voltammetry and viscosity measurements. In silico studies revealed that the test compound (PDB) showed good affinity towards the target receptor d (CGCGAATTCGCG)(2) with the binding energy of -7.70 kcal/mol.

引用

页码：1763 / 1773

页数：11

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