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Updated: May 10, 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

Antibacterial Coating Based on Functionalized MoS₂ Quantum Dots.

Toby Chan¹, Soha Ahmadi¹, Zahra Ramezani^1,2

¹Department of Chemistry, University of Toronto, 80 St George St, Toronto, ON M5S 3H6, Canada.

Materials (Basel, Switzerland)

|March 27, 2025

Summary

This summary is machine-generated.

Molybdenum disulfide quantum dots (MoS₂ QDs) show antibacterial properties against Staphylococcus aureus. This research highlights their potential for developing advanced antifouling coatings in biomedical fields.

Keywords:

Staphylococcus aureus antibacterial hydrothermal synthesis quantum dots

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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
Biomedical Engineering

Background:

Molybdenum disulfide (MoS₂) is a layered material with unique electronic and optical properties.
Quantum dots (QDs) offer tunable properties based on their size.
Antifouling coatings are crucial for preventing microbial contamination in biomedical devices.

Purpose of the Study:

To synthesize and functionalize MoS₂ quantum dots (QDs).
To evaluate the antibacterial efficacy of the functionalized MoS₂ QDs.
To explore the potential of MoS₂ QDs as antifouling coatings.

Main Methods:

One-step hydrothermal synthesis of MoS₂ QDs.
Functionalization of MoS₂ QDs with 11-mercaptoundecanoic acid.
Characterization of the synthesized and functionalized QDs.
Antibacterial testing against Staphylococcus aureus.

Main Results:

Successful synthesis and functionalization of MoS₂ QDs.
Demonstrated antibacterial activity of functionalized MoS₂ QDs against Staphylococcus aureus at a concentration of 10 mg/mL.
Characterization confirmed the properties of the modified QDs.

Conclusions:

Functionalized MoS₂ QDs possess significant antibacterial properties.
These MoS₂ QDs show promise for developing effective antifouling coatings.
The findings support the application of MoS₂ QDs in biomedical settings to combat bacterial infections.