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Coagulation growth kinetics of nanoparticles in plasma is affected by inter-particle electrostatic forces due to charging phenomenon. In stationary plasmas, unipolar charging of particles results in retardation of particles growth and may…

Plasma Physics · Physics 2019-06-26 V. Vekselman , M. N. Shneider , Y. Raitses

The results of investigation of kinetics of nanopores filling into membranes from aluminum oxide (pore diameter - 200 nm, porosity ~ 50%) at electrodeposition of copper and silver are described. It is shown, that at identical quantity of…

Mesoscale and Nanoscale Physics · Physics 2007-07-06 P. G. Globa , E. A. Zasavitsky , V. G. Kantser , S. P. Sidelinikova , A. I. Dikusar

Si nanocrystals have been extensively studied because of their novel properties and their potential applications in electronic, optoelectronic, photovoltaic, thermoelectric and biological devices. These new properties are achieved through…

Materials Science · Physics 2018-07-17 Ivan Marri , Elena Degoli , Stefano Ossicini

The use of gold nanoparticles for hyperthermia therapy in near infrared (NIR) spectral regions has catalysed substantial research efforts due to the potential impact in clinical therapy applications. However, the photoscattering effect…

The influence of the interlayer cations, sonication and grinding on surface area of the vermiculite from Santa Olalla has been studied. For untreated samples the surface area increases with the size of the exchanged cation and only the…

Optical properties of polymer capped gold nanoparticles of various sizes (diameter 3-6 nm) have been studied. We present a new scheme to extract size dependent variation of total dielectric function of gold nanoparticles from measured…

Materials Science · Physics 2009-11-13 M. Haridas , S. Srivastava , J. K. Basu

Coffee rust is one of the main diseases that affect coffee plantations worldwide. This causes an important economic impact in the coffee production industry in countries where coffee is an important part of the economy. A common method for…

Populations and Evolution · Quantitative Biology 2019-08-07 Jorge Arroyo Esquivel , Fabio Sanchez , Luis Barboza

The interior of nanoscale crystals experiences stress that compensates the capillary forces and that can be large, in the order of 1 GPa. Various studies have speculated on whether and how this surface-induced stress affects the stability…

Materials Science · Physics 2018-02-07 Nadiia Mameka , Jürgen Markmann , Jörg Weissmüller

Nanopores made with low dimensional semiconducting materials, such as carbon nanotubes and graphene slit pores, are used in supercapacitors. In theories and simulations of their operation, it is often assumed that such pores screen ion-ion…

Materials Science · Physics 2017-01-24 Alpha A. Lee , Dominic Vella , Alain Goriely

Nanocrystalline bulk materials are desirable for many applications as they combine mechanical strength and specific electronic transport properties. Our bottom up approach starts with tailored nanoparticles. Compaction and thermal treatment…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 D. Schwesig , G. Schierning , R. Theissmann , N. Stein , N. Petermann , H. Wiggers , R. Schmechel

In this work, the structural and magnetic properties of the gold-coated FePt nanoparticles synthesized from high-temperature solution phase are presented. The amount of gold was optimized to obtain most of the FePt particles coated. The…

Materials Science · Physics 2009-11-26 P. de la Presa , M. Multigner , M. P. Morales , T. Rueda , E. Fernandez-Pinel , A. Hernando

Inclusion of additives into calcite crystals allows one to embed non-native proprieties into the inorganic matrix and obtain new functional materials. Up to now, few parameters have been taken into account to evaluate the efficiency of…

Copper is one of the most extensively studied materials for energy conversion and catalytic systems, with a wide range of other applications from nanophotonics to biotechnology. However, existing synthesis methods are limited with many…

We show that the optical and electronic properties of nanocrystalline silicon can be efficiently tuned using impurity doping. In particular, we give evidence, by means of ab-initio calculations, that by properly controlling the doping with…

Other Condensed Matter · Physics 2009-11-13 Federico Iori , Elena Degoli , Rita Magri , Ivan Marri , G. Cantele , D. Ninno , F. Trani , O. Pulci , Stefano Ossicini

The non-specific adhesion of spherical particles to a cell substrate is analyzed in a parallel plate flow chamber, addressing the effect of the particle size. Differently from other experiments, the total volume of the injected particles…

Materials Science · Physics 2007-08-13 F. Gentile , A. Granaldi , P. Decuzzi

Surfaces formed by extracellular polymeric substances enclosing individual and some small communities of {\it Acidithiobacillus ferrooxidans} on plates of hydrophobic silicon and hydrophilic mica are analyzed by means of atomic force…

Biological Physics · Physics 2007-05-23 Alberto Saa , Omar Teschke

Due to the potential applications in biomedical engineering, it becomes more and more important to understand the process of engulfment and internalization of nanoparticles (NPs) by cell membranes. Despite the fact that the interaction…

Biological Physics · Physics 2023-12-12 Ke Xiao , Jing Li , Rui Ma , Chen-Xu Wu

Controlling the size distribution in the nucleation of copper particles is crucial for achieving nanocrystals with desired physical and chemical properties. However, their synthesis involves a complex system of solvents, ligands, and copper…

Chemical Physics · Physics 2024-02-06 Oren Elishav , Ofir Blumer , T. Kyle Vanderlick , Barak Hirshberg

Plasmonic nanostructures have wide applications in photonics including pathogen detection and diagnosis via Surface-Enhanced Raman Spectroscopy (SERS). Despite major role plasmonics play in signal enhancement, electrostatics in SERS is yet…

Cell Behavior · Quantitative Biology 2025-01-22 Jia Dong , Jeong Hee Kim , Isaac Pincus , Sujan Manna , Jennifer M. Podgorski , Yanmin Zhu , Loza F. Tadesse

The effect of silica nanoparticles on transient microemulsion networks made of microemulsion droplets and telechelic copolymer molecules in water is studied, as a function of droplet size and concentration, amount of copolymer, and…

Soft Condensed Matter · Physics 2010-12-07 Nicolas Puech , Serge Mora , Ty Phou , Gregoire Porte , Jacques Jestin , Julian Oberdisse