Green Synthesis of Metallic Nanoparticles
The synthesis of metallic nanoparticles using environmentally friendly methods, commonly known as green synthesis, has gained significant attention in recent years. The conventional methods of synthesizing metallic nanoparticles involve harsh operating conditions, hazardous chemicals, and the addition of external stabilizing or capping agents. In contrast, green synthesis methods use biological reducing and stabilizing agents present in plants, microorganisms, or biosurfactants to synthesize nanoparticles, which makes the process eco-friendly, clean, safe, cost-effective, and easy to scale-up,
Applications:
Metallic nanoparticles synthesized through green synthesis methods have various potential applications, including but not limited to, wastewater treatment , agriculture, food applications , bionanotechnology, and biomedical applications . The synthesized nanoparticles are of interest in many fields due to their unique properties at the nanoscale, such as their high surface area, improved reactivity, and enhanced optical and electrical properties.
Limitations:
Despite the potential benefits of green synthesis methods for metallic nanoparticles, there are some limitations to this approach. The major challenges associated with green synthesis include toxicity and translational research. Additionally, the quality of green synthesized nanoparticles can be affected by various factors such as temperature, concentration, and ambient air.
Current Developments:
The current developments in the green synthesis of metallic nanoparticles involve the use of biogenic nanoparticles, which are synthesized using plant extracts. This method is a straightforward technique for generating nanoparticles at a large scale compared to bacteria and fungal-assisted synthesis. Moreover, green synthesis using microorganisms and plants is considered biologically safe, cost-effective, and environment-friendly.
Conclusion:
In summary, the green synthesis of metallic nanoparticles using environmentally friendly methods has many potential applications, but there are also some limitations and challenges that need to be addressed. The current developments in green synthesis are focused on biogenic nanoparticles, which offer a cost-effective and scalable approach for synthesizing nanoparticles. These developments hold promise for advancing the field of nanotechnology and its applications.
Frequently Asked Questions – FAQs
⇒ What is green synthesis of metallic nanoparticles?
Green synthesis of metallic nanoparticles is a method of synthesizing nanoparticles using natural, biologically derived entities such as plants, plant parts, microorganisms, or biomass. It is an eco-friendly, clean, safe, cost-effective, and effective way to synthesize nanoparticles with high purity and productivity. Chemical and physical methods are the conventional methods used for the synthesis of nanoparticles, but green synthesis is a more sustainable and eco-friendly approach.
⇒ Why is green synthesis of metallic nanoparticles important?
Green synthesis is necessary to prevent the generation of undesirable or dangerous by-products via the build-up of dependable, sustainable, and eco-friendly synthesis techniques. It is cost-effective, safe, and efficient, making it a promising tool in bionanotechnology.
⇒ How are metallic nanoparticles synthesized using green synthesis?
Metallic nanoparticles can be synthesized using different natural entities like microorganisms, plants, or plant parts. The process involves exposing the chosen entity to a metallic salt solution, which then reduces the metal ions into nanoparticles. The green synthesis of nanoparticles is preferred due to its eco-friendly, safe, and cost-effective process.
⇒ What are the advantages of green synthesis of metallic nanoparticles?
Green synthesis has several advantages, including:
- Eco-friendly and safe process
- Cost-effective and efficient
- High purity and productivity
- Novel and innovative tool in bionanotechnology
- Can produce large quantities of nanoparticles.
⇒ What are the challenges associated with green synthesis of metallic nanoparticles?
Bio-accumulation and toxicity are two challenges associated with green metallic nanoparticles that need to be resolved through scientific intervention. Further improvement is necessary to make the flower-mediated green synthesis of nanoparticles more promising, eco-friendly, and safe.
⇒ What are the natural entities used for green synthesis of metallic nanoparticles?
Natural entities such as microorganisms, plants, plant parts, and biomass can be used for green synthesis of metallic nanoparticles. These entities have the ability to absorb and accumulate inorganic metal ions from their surrounding environment, making them a preferred option for green synthesis.
⇒ How does green synthesis of metallic nanoparticles compare to chemical and physical methods?
Chemical and physical methods are conventional methods used for the synthesis of nanoparticles, but they can be environmentally harmful and pose risks to human health. Green synthesis, on the other hand, is an eco-friendly, clean, safe, cost-effective, and efficient method of synthesizing nanoparticles with high purity and productivity. Under certain conditions, the quality of green synthesized metal nanoparticles even surpasses those synthesized by chemical methods.
⇒ What is the potential of green synthesis of metallic nanoparticles?
Green synthesis of metallic nanoparticles has a great potential in various applications, including nanotechnology, medicine, catalysis, environmental remediation, and many more. It is an innovative tool in bionanotechnology that offers an eco-friendly and sustainable approach to synthesizing nanoparticles .
⇒ What are the limitations of green synthesis of metallic nanoparticles?
The limitations of green synthesis of metallic nanoparticles are yet to be fully explored, but some of the challenges include achieving optimal yields, reproducibility, and control over the size, shape, and structure of nanoparticles. More research is needed to overcome these limitations and to fully understand the potential and limitations of green synthesis.
⇒ How can green synthesis of metallic nanoparticles be improved?
Improving the green synthesis of metallic nanoparticles can be achieved through more research and development in the field. This includes exploring new natural entities and improving existing methods to achieve optimal yields, reproducibility, and control over the size, shape, and structure of nanoparticles
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