Related Experiment Video
Updated: May 13, 2026

An In Vitro Enzymatic Assay to Measure Transcription Inhibition by Gallium(III) and H3 5,10,15-tris(pentafluorophenyl)corroles
Published on: March 18, 2015
DNA/RNA binding and anticancer/antimicrobial activities of polymer-copper(II) complexes
Jagadeesan Lakshmipraba1, Sankaralingam Arunachalam, Anvarbatcha Riyasdeen
1School of Chemistry, Bharathidasan University, Tiruchirappalli 620 024, Tamil Nadu, India.
New polymer-copper(II) complexes show promising DNA/RNA binding, with higher coordination increasing efficacy. These complexes exhibit significant cytotoxic effects on cancer cells and antimicrobial activity against human pathogens.
Area of Science:
- Coordination Chemistry
- Polymer Science
- Biophysical Chemistry
Background:
- Water-soluble polymer-copper(II) complexes are of interest for their potential biological applications.
- Understanding their interaction with nucleic acids is crucial for developing novel therapeutic agents.
Purpose of the Study:
- To synthesize and characterize novel polymer-copper(II) complexes.
- To investigate the DNA/RNA binding mechanisms and capacity of these complexes.
- To evaluate the cytotoxic and antimicrobial properties of the most effective complex.
Main Methods:
- Synthesis and characterization using elemental analysis, IR, UV-visible, and EPR spectroscopy.
- DNA/RNA binding studies employing UV-visible absorption, emission, circular dichroism spectroscopy, and cyclic voltammetry.
- Cytotoxicity assessment on MCF-7 cells and antimicrobial screening against human pathogens.
Main Results:
- Complexes were successfully synthesized with varying degrees of coordination.
- Binding to DNA/RNA occurred primarily via intercalation, with some electrostatic interaction, capacity increasing with coordination.
- The highest coordination complex demonstrated significant cytotoxicity against MCF-7 cells, inducing apoptosis, and showed antimicrobial activity.
Conclusions:
- Polymer-copper(II) complexes can effectively bind to DNA/RNA through intercalation.
- The degree of coordination influences binding capacity and biological activity.
- These complexes hold potential as anticancer and antimicrobial agents.
More Related Videos
07:20Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents
Published on: May 28, 2014
11:38Quantifying the Binding Interactions Between Cu(II) and Peptide Residues in the Presence and Absence of Chromophores
Published on: April 5, 2022
Related Concept Videos
Types of RNA
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
Metal-Ligand Bonds
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
Drug-Receptor Bonds
In...
Complexation Equilibria: The Chelate Effect
Colors and Magnetism
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human eye.
Coordination Number and Geometry