Abstract
The versatile family of nanoparticles is considered to have a huge impact on the different fields of materials research, mostly nanoelectronics, catalytic chemistry and in study of cytocompatibility, targeted drug delivery and tissue engineering. Different approaches for nanoparticle preparation have been developed, not only based on “bottom up” and “top down” techniques, but also several procedures of effective nanoparticle modifications have been successfully used. This paper is focused on different techniques of nanoparticles’ preparation, with primary focus on metal nanoparticles. Dispergation methods such as laser ablation and vacuum sputtering are introduced. Condensation methods such as reduction with sodium citrate, the Brust–Schiffrin method and approaches based on ultraviolet light or biosynthesis of silver and gold are also discussed. Basic properties of colloidal solutions are described. Also a historical overview of nanoparticles are briefly introduced together with short introduction to specific properties of nanoparticles and their solutions.
Highlights
One of the most important areas of modern science is the preparation of colloidal solutions of metallic nanoparticles
The basic properties of a nanoparticle’s colloidal solution was briefly introduced, mainly the specific properties arising from the dimension of nanoparticles and their interaction with an electromagnetic properties arising from the dimension of nanoparticles and their interaction with an electromagnetic field
The most common approaches for nanoparticle colloidal solution have been introduced, the specific attention was devoted to various approaches for preparation of noble metal nanoparticles by specific attention was devoted to various approaches for preparation of noble metal nanoparticles by various physico-chemical methods
Summary
One of the most important areas of modern science is the preparation of colloidal solutions of metallic nanoparticles. Along with their applications, are currently one of the most studied materials used in many areas, such as optoelectronics and catalysis [1]. Of great importance is the study of optical properties of metal nanoparticles, stabilization and aggregation mechanisms of colloids. Silver nanoparticles (Ag-NPs) have to be considered as very important with high-demand material for tissue engineering and antibacterial applications due to their effective antibacterial activity both in solution and in components [10]. Colloidal gold solutions by other him today are found at the Royal and optical properties, describing the protective effect of prepared gelatine and macromolecular compounds. Surface plasmon resonance (SPR) methods were used to determine this moderate amplification [26]
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