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Antimicrobial Activity and Interaction with Bovine Serum Albumin of Nickel(II) Complex

Yu Fen Liu, Hai Tao Xia, De Fu Rong

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Abstract

The binding reaction of nickel(II) complex [Ni(C16H20N2)2•(H2O)2]Cl2•C3H7NO with bovine serum albumin(BSA) was studied by fluorescence spectroscopy under the simulative physiological conditions. The experimental results show that the fluorescence quenching of BSA by nickel(II) complex is a result of the formation of ground state complex and the quenching mechanism was static quenching. The binding constants were 4.24×103L•mol−1at 293K with one binding site. The antimicrobial activity study found that the nickel(II) complex was active against Escherichia coli, Staphylococcus aureus and Bacillus subtilis.

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What this paper is about

The binding reaction of nickel(II) complex [Ni(C16H20N2)2•(H2O)2]Cl2•C3H7NO with bovine serum albumin(BSA) was studied by fluorescence spectroscopy under the simulative physiological conditions. The experimental results show that the fluorescence quenching of BSA by nickel(II) complex is a result of the formation of ground state complex and the quenching mechanism was static quenching. The binding constants were 4.24×103L•mol−1at 293K with one binding site. The antimicrobial activity study found that the nickel(II) complex was active against Escherichia coli, Staphylococcus aureus and Bacillus subtilis.

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Available abstract

The binding reaction of nickel(II) complex [Ni(C16H20N2)2•(H2O)2]Cl2•C3H7NO with bovine serum albumin(BSA) was studied by fluorescence spectroscopy under the simulative physiological conditions. The experimental results show that the fluorescence quenching of BSA by nickel(II) complex is a result of the formation of ground state complex and the quenching mechanism was static quenching. The binding constants were 4.24×103L•mol−1at 293K with one binding site. The antimicrobial activity study found that the nickel(II) complex was active against Escherichia coli, Staphylococcus aureus and Bacillus subtilis.

Key concepts: Bacillus subtilis, Nickel, Bovine serum albumin, Quenching (fluorescence), Chemistry, Antimicrobial, Fluorescence spectroscopy, Nuclear chemistry

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