Platinum Nanoparticles: Green Synthesis and Biomedical Applications

Area of Science:

• Nanotechnology
• Biomedical Engineering
• Green Chemistry

Background:

• Platinum nanoparticles (PtNPs) possess unique physicochemical properties, making them highly promising for various biomedical applications.
• Traditional synthesis methods for PtNPs often involve harsh chemicals, high energy consumption, and prolonged reaction times.
• There is a growing need for sustainable and economical approaches to PtNP synthesis.

Purpose of the Study:

• To review the state-of-the-art green synthesis methods for platinum nanoparticles.
• To discuss the synthesis parameters influencing PtNP characteristics.
• To highlight the reported biomedical applications of green-synthesized PtNPs.

Main Methods:

• Utilizing diverse biogenic entities such as plant extracts, algae, fungi, bacteria, egg yolk, milk, honey, and proteins for PtNP synthesis.
• Employing eco-friendly and economic approaches that operate under ambient conditions.
• Assessing the physicochemical properties and biomedical effects of the synthesized PtNPs.

Main Results:

• Green synthesis significantly reduces reaction time and energy requirements compared to conventional methods.
• A wide array of biological sources can effectively mediate PtNP formation.
• PtNPs synthesized via green routes demonstrate potential in various biomedical applications.

Conclusions:

• Green synthesis provides a sustainable and efficient pathway for producing platinum nanoparticles.
• The choice of biological precursor influences the properties and applications of PtNPs.
• Further research into green PtNP synthesis can unlock their full biomedical potential.