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The Influence of Silver and Copper Nanoparticles on the Optical Properties of Photochromic Molecules

Frederik Ørsted Kjeldal#; Andreas Erbs Hillers-Bendtsen#; Kurt V Mikkelsen*

    The focus of this paper is on the optical properties, in particular the vertical excitations and two-photon excitations, of the 3-amino-substituted dihydroazulene/vinylheptafulvene system and how they change when the system is physisorbed onto a nanoparticle. Di- hydroazulene, s-cis-vinylheptafulvene and s-trans-vinylheptafulvene were orientated in different ways and at different distances to silver and copper nanoparticles to see how this would affect the optical properties.


Interaction between Millimeter Waves and their Micro and Nanotargets: The Modification of Information Fields in Biological Objects

Simone Caramel; Volodymyr Krasnoholovets*

    The physical-technical characteristics of nanotechnologies such as the GaAs Gunn diode that works at very high frequencies and low intensity in the millimeter wave range favors a virtuous interaction with the electromagnetic fields of parts and systems of living organisms, such as cells, DNA, aqueous solutions, whose radiations have similar properties.


The Currents and Future Prospect of Staphylococcus aureus in Causing Antimicrobial Resistance

Milsan Getu Banu

    Staphylococcus aureus is bacterial pathogen, which is known to colonize and infect both humans and animals and to contaminate food as well. The pathogenicity of Staphylococcus aureus is related to the expression of a large number of virulence factors that promote adhesion and evasion of the host immunologic responses.


Biosynthesis and Characterization of CuO-CuMn2O4 Nano Particles for Biomedical Applications

Mai Nasrallah; Mohamed Nasrallah*

    This study focused on preparation of copper oxide -copper manganite nanoparticles (CuO - Cumn2o4 NPs) via new method. This method is based on replacement of the traditional routes by egg white assisted green synthesis. In other words, the goal of this investigation is preparation of composite containing CuO - Cumn2o4 NPs by using a facile one-step method.


Nanoscience and Nanotechnology From Past to Present

Ehab M Zayed

    Ancient civilizations, led by the ancient Egyptian civilization, reached the technology of heating metals and obtaining images of atoms through nanosciences and nanoparticles. This is found in the blue color, black ink, as well as making masks, making beer, obtaining fine hairs from the flax plant, and also in building pyramids, which is an application in engineering. These applications recently have extended to the food industry, medicine, and engineering tools in the modern era. This is not a success, but construction tools, pesticides for weeds and insects, dealing with water pipes, and other applications found in the modern era too.


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