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Chemical Agents for Microbial Control

Chemical Agents for Microbial Control

Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...

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Updated: Jun 25, 2026

Synthesis of Multi-walled Carbon Nanotubes Modified with Silver Nanoparticles and Evaluation of Their Antibacterial Activities and Cytotoxic Properties

Synthesis of Multi-walled Carbon Nanotubes Modified with Silver Nanoparticles and Evaluation of Their Antibacterial Activities and Cytotoxic Properties

Published on: May 10, 2018

Poly(oxyethylene)/silver nanoparticle composites as biocidal agents.

Kwonyong Choi¹, Seong-Eun Kim, Jee-Yeon Kim

¹School of Chemical and Biological Engineering, Seoul National University, 151-744 Seoul, Korea.

Journal of Nanoscience and Nanotechnology

|February 10, 2009

Summary

New polymeric N-halamine/silver nanoparticle composites were synthesized for effective biocidal systems. These novel materials show potent antibacterial activity against Escherichia coli, offering a promising solution for infection control.

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Evaluation of Antimicrobial Activities of Nanoparticles and Nanostructured Surfaces In Vitro

Evaluation of Antimicrobial Activities of Nanoparticles and Nanostructured Surfaces In Vitro

Published on: April 21, 2023

Area of Science:

Materials Science
Nanotechnology
Microbiology

Background:

Development of effective biocidal systems is crucial for combating bacterial infections.
Polymeric N-halamines offer a promising platform for antimicrobial applications.
Silver nanoparticles are known for their broad-spectrum antimicrobial properties.

Purpose of the Study:

To synthesize novel polymeric N-halamine/silver nanoparticle composites.
To evaluate the biocidal efficacy of these composites.
To investigate their potential as antimicrobial agents.

Main Methods:

Synthesis of poly[oxy[(3-chloro-4,4-dimethyl-imidazolelidine-2,5-dionyl)methyl]ethylene](POCE) based N-halamine polymers.
Incorporation of silver nanoparticles via mixing with silver perchlorate followed by UV reduction.
Assessment of antibacterial activity against Escherichia coli.

Main Results:

Successful preparation of N-halamine/silver nanoparticle composites.
Demonstrated potent antibacterial activity against gram-negative Escherichia coli.
The composites show promise as effective biocidal agents.

Conclusions:

Polymeric N-halamine/silver nanoparticle composites represent a new class of effective biocidal systems.
These materials exhibit significant potential for applications in infection prevention and control.
Further research can explore their efficacy against a wider range of microorganisms.