Related Experiment Video
Updated: Jan 25, 2026

Author Spotlight: A Rapid, Microwave-Assisted Hydrothermal Synthesis Of Nickel Hydroxide Nanosheets
Published on: August 18, 2023
Sulfamerazine Schiff-base complex intercalated layered double hydroxide: synthesis, characterization, and
Mary Jenisha Barnabas1, Surendran Parambadath1, Saravanan Nagappan1
1Department of Polymer Science and Engineering, Pusan National University, Geumjeong-gu, Busan, 46241, Republic of Korea.
New antimicrobial materials combining cobalt and copper complexes with layered double hydroxides (LDH) show effectiveness against common bacteria like E. coli and S. aureus.
Area of Science:
- Materials Science
- Inorganic Chemistry
- Antimicrobial Research
Background:
- Layered double hydroxides (LDHs) are versatile materials with tunable properties.
- Metal complexes can exhibit enhanced biological activity.
- Developing novel antimicrobial agents is crucial for public health.
Purpose of the Study:
- To synthesize and characterize novel cobalt and copper complexes intercalated within Mg/Al-layered double hydroxide (LDH).
- To evaluate the antimicrobial efficacy of the synthesized hybrid materials against Gram-negative and Gram-positive bacteria.
Main Methods:
- Synthesis of sulfamerazine-salicylaldehyde (SS) ligand.
- Complexation of SS ligand with Cobalt (Co(II)) and Copper (Cu(II)) ions.
- Intercalation of metal-SS complexes into Mg/Al-NO3-LDH using a delaminating/restacking method.
- Characterization of the synthesized materials using various analytical techniques.
- Assessment of antibacterial activity via the inhibition zone method.
Main Results:
- Successful synthesis and characterization of Cobalt-SS-LDH and Copper-SS-LDH hybrid materials.
- Demonstrated significant antimicrobial activity against *Escherichia coli* (Gram-negative) and *Staphylococcus aureus* (Gram-positive) bacteria.
Conclusions:
- The prepared Co-SS-LDH/Cu-SS-LDH hybrid materials exhibit promising antimicrobial properties.
- These novel materials represent potential candidates for developing new antibacterial agents.
More Related Videos
Related Concept Videos
Synthesis and Decomposition Reactions
Antimicrobial Effectiveness
Fixing Double-strand Breaks
Dehydration Synthesis
Dehydration synthesis (also called a condensation reaction) is the chemical process in which two molecules covalently link together to form a new molecule, along with the release of a water molecule. Many physiologically important compounds form by dehydration synthesis reactions, such as complex carbohydrates, proteins, DNA, and RNA.
Synthesis of carbohydrates
Sugar molecules are covalently linked together by dehydration synthesis. During the reaction, the hydroxyl (-OH) group from...
Antimicrobial Proteins
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
Transfer RNA Synthesis
Each of these chemical modifications is carried by a specific enzyme, post-transcription. All of these enzymes have unique base and site-specificity. Methylation, the most common chemical modification, is carried by at least nine different enzymes, with...

