نتایج جستجو برای: nanosystem

تعداد نتایج: 440  

Journal: :Exploration 2021

A fluorinated amphiphilic dendrimer based nanosystem to combat PDAC is reported by Juan Liu and co-workers in the article number 20210003.These nanoparticles markedly overcome heterogeneity of drug response resistance primary tumor cells, constituting a promising delivery system for treatment.

Journal: :Physical review letters 2003
David J Bergman Mark I Stockman

We make a step towards quantum nanoplasmonics: surface plasmon fields of a nanosystem are quantized and their stimulated emission is considered. We introduce a quantum generator for surface plasmon quanta and consider the phenomenon of surface plasmon amplification by stimulated emission of radiation (spaser). Spaser generates temporally coherent high-intensity fields of selected surface plasmo...

2008
P. Wójcik

The non-classical distribution function formalism is used for studying the electron transport in a nanosystem. We calculated the current–voltage characteristics of a triple barrier one-dimensional nanostructure which is connected to three-dimensional (highly doped semiconductor) reservoirs by the ohmic contacts. We also estimated the peak-to-valley ratio for the considered nanostructure and dis...

Journal: :Physical review letters 2002
Mark I Stockman Sergey V Faleev David J Bergman

We predict and quantitatively evaluate the unique possibility of concentrating the energy of an ultrafast excitation of a nanosystem in a small part of the whole system by means of coherent control (phase modulation of the exciting ultrashort pulse). Such concentration is due to dynamic properties of surface plasmons and leads to local fields enhanced by orders of magnitude. This effect exists ...

2017

"Requirements for a sensor that will be sewn into the human heart are completely different than for those found in mobile phones today. The device needs to tolerate other stress factors, as well as meet a number of clinical requirements. The greatest challenge is to make everything small enough so as not to puncture the heart", explained Associate Professor and research leader Kristin Imenes of...

Journal: :Chemical reviews 2012
Mark S Gordon Dmitri G Fedorov Spencer R Pruitt Lyudmila V Slipchenko

Fragmentation Methods: A Route to Accurate Calculations on Large Systems Mark S. Gordon,* Dmitri G. Fedorov, Spencer R. Pruitt, and Lyudmila V. Slipchenko Department of Chemistry and Ames Laboratory, Iowa State University, Ames Iowa 50011, United States Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-856...

Journal: :Journal of Nano-and electronic Physics 2021

Journal: :Physical review 2021

We present a hierarchical equations of motion approach, which allows numerically exact simulation nonequilibrium transport in general open quantum systems involving multiple macroscopic bosonic and fermionic environments. The performance the method is demonstrated for model nanosystem, involves interacting electronic vibrational degrees freedom coupled to baths. results show intricate interplay...

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