نتایج جستجو برای: application of nano
تعداد نتایج: 21216763 فیلتر نتایج به سال:
Since the dental implant/abutment interface cannot totally seal the passage of microorganisms, the interior of implant becomes a reservoir of pathogenic microorganisms that produce and maintain chronic inflammation in the tissues around implants. Silver nanoparticles (nano-Ag) are potent and broad-spectrum antimicrobial agents. The aim of this study was to evaluate the capacity of the nano-Ag t...
BACKGROUND Unique properties of engineered nanomaterials (ENMs) and products made of them have contributed to a rapid progress in the production and application of ENMs in different branches of industry and in factories with different production scale. Bearing in mind that nano-objects (nanoplates, nanofibres, nanoparticles), emitted during ENM production and application, can cause many disease...
Coronary artery disease, in the development of which inflammation mediated by innate immune cells plays a critical role, is one of the leading causes of death worldwide. The 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors (statins) are a widely used lipid-lowering drug that has lipid-independent vasculoprotective effects, such as improvement of endothelial dysfunction, antioxidant pr...
Along with the rapid growth of nanoscience research and the wide application of nanotechnology into various industrial fields, the innovation patterns and co-evolutionary natures of multiple nano industrial sectors have drawn much attention from scholars. Based on a continuously updated nano-publication database, this paper explores the learning and integrative dynamics in nano industrial secto...
The current study investigates the dissipation kinetics of two imidacloprid (IMI) nanoformulations (entitled: Nano-IMI and Nano-IMI/TiO2) on common bean (Phaseolus vulgaris) seeds under field conditions and compares them with 35% Suspension Concentrate (SC) commercial formulation. To do so, it sprays P. vulgaris plants at 30 and 60 g/ha within green bean stage, sampling them during the 14-day p...
Ammonium Perchlorate (AP) is one of the most important oxidizer in composite solid propellants. Therefore, synthesis and application of nanoparticles as catalyst for improving thermal decomposition of AP is an important issue in catalysis research. There are a great many nanomaterials for the thermal decomposition of AP such as nano metal particles, metal oxides, metals salts, metallic composit...
Objective: Maintaining the health of oral tissues is a major goal in dentistry. However, limitations in dental materials, instruments, procedures and medications prevent achievement of this goal. Advances in nanotechnology have paved the way to approach this goal. This study reviews the advances on nanotechnology in dentistry. Review of Literatures: In this review study, Google Scholar, PubMed...
Background: It has recently been shown that the particle size of materials used for radiation shielding can affect the magnitude of radiation attenuation. Over the past years, application of nano-structured materials in radiation shielding has attracted attention world-wide. The purpose of this study was to investigate the shielding properties of the lead-free shields containing micro and nano-...
This work reports a facile sonochemical route in the synthesis of nano particle of deferasirox for the first time. One application of nanotechnology is in improvement of available treatments for various diseases. Deferasirox (ICL670 or Exjade) is a tridentate chelating agent for removing transfusion overload iron in thalassemia patients. In the present work, deferasirox was prepared in nano size...
A new simple and reliable method for rapid and selective extraction and determination of trace levels of Zn(II) ion is developed. Zn(II) ions are adsorbed quantitatively during passage of aqueous samples through PET-AA/AAm nano fiber modified. Almost all matrix elements were found to pass through the nano fiber to drain. Modified Poly (ethylene terephthalate)-grafted-Acrylic acid/Acryl amide Na...
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