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The G-quadruplex (GDNA) was immobilized on multi-walled carbon nanotubes (MWCNTs) modified glassy carbon electrode (CNT/GC). Prior to use, MWCNTs were treated with nitric acid and sulfuric acid to introduce the carboxylic acid groups. Then, the carboxylate-terminated MWCNTs covalently bound to the amino groups of GDNA (GDNA/CNT/GC), with the aid of 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide. Circular...
A nano-structured Ni(II)–curcumin (curcumin: 1,7-bis[4-hydroxy-3-methoxyphenyl]-1,6-heptadiene-3,5-dione) film is electrodeposited on a glassy carbon electrode in alkaline solution. The morphology of polyNi(II)–curcumin (NC) was investigated by scanning electron microscopy (SEM). The SEM results show NC has a nano-globular structure in the range 20–50nm. Using cyclic voltammetry, linear sweep voltammetry,...
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