The investigation of cooperative binding between psulfonatocalix[ 6]arene and fluorescein with transition metal ions by spectrometrically
The ternary complexes are formed by self-assembly through cooperative hydrogen bonding between p-SCX6-FL and M2+ through water molecule which is reinforced by columbic and electrostatic interactions. The binding efficiency of Cu2+ and Zn2+ is observed at a greater extent than Co2+ and Ni2+. Furthermore, the kinetic study of p-SCX6-FL-Cu2+ and Zn2+ reveals that the process of complexation isslower than the binary system (FL+p-SCX6).
Volume 132, 2020
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