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Bacterial Signaling

Bacterial Signaling

Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...

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Updated: Jan 9, 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

Recent Progress on Silver-Based Antibacterial Food Packaging.

Tao Luo¹, Ting Yao¹, Zhongxu Zhan²

¹State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, P. R. China.

Comprehensive Reviews in Food Science and Food Safety

|December 11, 2025

Summary

This summary is machine-generated.

Antibacterial silver nanomaterials in food packaging offer enhanced protection against foodborne pathogens. This review highlights their synthesis, mechanisms, and applications for improved food preservation and safety.

Keywords:

Ag‐based nanomaterials antibacterial mechanism food packaging green synthesis silver nanoparticles

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

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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
Food Science
Nanotechnology

Background:

Foodborne pathogens pose significant risks to human health and the economy.
Food packaging acts as a barrier against contamination and spoilage.
Antibacterial silver food packaging demonstrates potential for extending shelf life and controlling microbial contamination.

Purpose of the Study:

To comprehensively review recent advancements in antibacterial silver nanomaterials for food packaging.
To discuss synthesis methods, antimicrobial mechanisms, and packaging property modifications.
To explore applications in preserving vegetables, fruits, and meats, and the potential of smart packaging.

Main Methods:

Review of literature on silver nanomaterial synthesis, including green synthesis of silver nanoparticles (AgNPs).
Analysis of antimicrobial mechanisms of AgNPs and their impact on packaging properties.
Exploration of applications in various food types and smart packaging concepts.

Main Results:

Silver nanomaterials, particularly AgNPs, exhibit excellent antibacterial and barrier properties.
Various synthesis methods are available, with a focus on green approaches.
AgNPs effectively inhibit microbial growth and can enhance food packaging performance.

Conclusions:

Antibacterial silver food packaging is a promising solution for food preservation and safety.
Further research is needed to address challenges in safety and reliability for widespread application.
Silver-based nanomaterials offer a new avenue for developing effective food packaging solutions.