The Rise of Palladium Nanoparticles: From Fabrication to Biomedical Breakthroughs

Area of Science:

• Nanotechnology
• Materials Science
• Biomedical Engineering

Background:

• Palladium nanoparticles (PdNPs) possess unique electronic, catalytic, and optical properties, driving innovation in nanomedicine and industry.
• Their versatility makes them crucial for advanced technological and therapeutic applications.

Purpose of the Study:

• To systematically review synthesis methodologies for palladium nanoparticles (PdNPs).
• To critically analyze advancements, challenges, and application domains of PdNPs.
• To explore the potential of PdNPs in various scientific and industrial fields.

Main Methods:

• Comprehensive literature survey of studies from 2015-2025.
• Analysis of physical, chemical, and biological synthesis approaches for PdNPs.
• Exploration of search engines including PubMed, Google Scholar, and Science Direct.

Main Results:

• Physical and chemical synthesis offer precise control over PdNP size and morphology but face environmental and scalability issues.
• Biogenic synthesis using microbial and plant extracts presents an eco-friendly and biocompatible alternative.
• PdNPs show significant promise in fuel cells, sensors, catalysis, and biomedical applications like cancer therapy, drug delivery, and imaging.

Conclusions:

• PdNPs hold revolutionary potential across diverse fields.
• Further research into PdNP toxicity, functionalization, and scalable production is essential for real-world integration.
• Addressing challenges like clearance and drug loading requires innovations such as mucoadhesive coatings and stimuli-responsive systems.