Portuguese 
English 
Spanish 
3 min of reading 
0 comments 
Scientific innovation uses Brazilian arnica to produce silver nanoparticles with lower toxicity and expand industrial applications with an environmental focus
A relevant scientific research was recently developed by specialists from the University of São Paulo, with a direct impact on the pharmaceutical and environmental fields. The study conducted at the Faculty of Pharmaceutical Sciences of Ribeirão Preto presented a new approach for the production of naturally-based silver nanoparticles. The method uses Brazilian arnica as a reducing agent, replacing traditional processes that employ toxic compounds. The proposal reorganizes industrial practices by prioritizing sustainability and safety in production.
Use of silver nanoparticles and their impacts
Silver nanoparticles are widely used in different industrial segments. They are present in dressings, medical equipment, cosmetics, and food packaging. These particles have relevant antimicrobial, antifungal, and antiviral properties. The use of these characteristics makes the material essential for various applications. On the other hand, the presence of these substances can generate negative impacts. They can cause cell death and interfere with the balance of microorganisms in the environment. The accumulation and dispersion capacity increases environmental and health risks.
Green synthesis redefines the production process
The developed technique utilizes the concept of green synthesis to reduce risks in the production process. According to Paulo Augusto Marques Chagas, the goal is to eliminate the use of toxic reagents and reduce energy consumption. The method employs aqueous extract of Brazilian arnica as the central element of the chemical transformation. Metal ions are converted into nanoparticles in a controlled manner. This process occurs without the use of hazardous solvents. The reduction of toxic waste is observed as one of the main results of the innovation. The strategy follows a line already investigated in the production of metallic nanoparticles.
-
Harvard scientists have created a tissue exoskeleton that does not look like an exoskeleton, with no rigid parts and reduced weight, using flexible cables and miniaturized motors to assist the ankle and hip, reducing the effort of walking by up to 23% in controlled tests.
-
The Caspian Sea intrigues scientists as it is neither officially a sea nor a lake: the largest lake on the planet holds a hybrid crust, submerged cities, mud volcanoes, and billions of barrels of oil hidden at the bottom.
-
Why did the sky turn blood red in the west of Australia and it wasn’t sunset? Discover what is behind the change that took over the horizon for miles.
-
The most feared warplane of the United States is over 70 years old, carries 32 tons of explosives, flies 14,000 kilometers nonstop, and has just been sent to the United Kingdom amid escalating tensions with Iran.
Origin of the research and academic development
The development of the research began at the Environmental Control Laboratory. The center is coordinated by Mônica Lopes Aguiar from the Federal University of São Carlos. The group was already working with sustainable processes and material reuse. The search for new solutions led to the creation of an alternative method for nanoparticle synthesis. The project evolved within the academic environment. Collaboration among researchers contributed to the consolidation of the results.
Market application and technological advancement
The technology is in the final development phase. The patent application for the method has already been submitted by the team. A scientific article is being prepared based on the results obtained. Green synthesis has been applied in nanofibers used in air filtration. The developed material exhibits antibacterial properties. The application demonstrates potential for industrial use. The proposal maintains a focus on sustainability and efficiency.
Environmental impact and perspectives of the technology
The replacement of toxic reagents with natural elements reduces the generation of hazardous waste. The method also contributes to lower energy consumption in the production process. The innovation highlights the possibility of adapting industrial practices. Nanotechnology begins to incorporate more sustainable solutions. The approach reinforces the role of scientific research in transforming production processes.
Seja o primeiro a reagir!