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Coenzyme based synthesis of silver nanocrystals
Shazia Tanvir1, Francois Oudet, Sylviane Pulvin
1Laboratoire de Génie Enzymatique et Cellulaire, UMR 6022 CNRS, Université de Technologie de Compiègne, BP 20529-60205 Compiègne Cedex, France. tanvirsh@utc.fr
Enzyme and Microbial Technology
|August 14, 2012
Summary
This study reveals beta-nicotinamide adenine dinucleotide phosphate (β-NADPH) as a key coenzyme for synthesizing stable, crystalline silver nanoparticles. This eco-friendly method offers a cost-effective and efficient alternative to traditional nanoparticle synthesis.
Area of Science:
- Nanotechnology
- Biochemistry
- Materials Science
Background:
- Traditional silver nanoparticle synthesis often involves harsh chemicals, multiple steps, and challenges with stability.
- Biological synthesis methods can be complex, requiring microorganism cultivation and extract preparation, with risks of contamination.
Purpose of the Study:
- To investigate the critical role of the coenzyme β-NADPH in synthesizing silver nanoparticles.
- To develop a single-step, environmentally friendly, and cost-effective method for silver nanoparticle production.
Main Methods:
- Utilized β-NADPH as both a reducing and stabilizing agent for silver nanoparticle synthesis at room temperature.
- Characterized the synthesized silver nanoparticles using TEM, XRD, DLS, zeta potential, UV-Vis, and EDX analysis.
Main Results:
- Synthesized silver nanoparticles with good crystallinity, a narrow size distribution (average diameter 20.77±0.67 nm), and excellent aqueous stability.
- Confirmed the nanocrystalline nature and elemental silver composition via XRD and EDX.
- Zeta potential measurements indicated high stability in aqueous solution (-41±5 mV).
Conclusions:
- β-NADPH acts as a dual-function agent, simplifying silver nanoparticle synthesis.
- This single-step, room-temperature method is eco-friendly, avoids surfactants, and offers potential cost-effectiveness through enzymatic regeneration of β-NADPH.
