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Reproducing the exquisite ion selectivity displayed by biological ion channels in artificial nanopore systems has proven to be one of the most challenging tasks undertaken by the nanopore community, yet a successful achievement of this goal…

Nanoporous metals possess unique properties attributed to their high surface area and interconnected nanoscale ligaments. They are mostly fabricated by wet synthetic methods involving solution-based dealloying processes whose purity is…

The rapid outbreaks of lethal viruses necessitate the development of novel antiviral substance. Besides the conventional antiviral substances, biocompatible nanomaterials also have significant potential in combating the virus at various…

Materials Science · Physics 2021-01-01 Joydip Sengupta , Chaudhery Mustansar Hussain

The energy absorption on nanometer scale is vital for many bio and chemical systems. We report here that a two times amplification in absorption efficiency can be achieved by water molecules confined in carbon nanotubes with small radius,…

Mesoscale and Nanoscale Physics · Physics 2022-07-19 Rong-Yao Yang , Wei-Zhou Jiang , Pei-Ying Huo , Qi-Lin Zhang

Free-standing ferromagnetic nano-membranes with thicknesses below 10 nm could effectively be used for spin selective filtering of electrons. Such membranes can work both as spin detectors in electron-spectroscopy, -microscopy and…

Mesoscale and Nanoscale Physics · Physics 2017-09-21 T. Övergaard , B. M Wojek , M. Leandersson , H. Ohldag , S. Bonetti , T. Wiell , O. Tjernberg

Microparticles including paraffin are currently used for textiles coating in order to deaden thermal shocks. We will show that polymer nanoparticles embedded in those microsized capsules allow for decreasing the thermal conductivity of the…

Materials Science · Physics 2007-11-30 Po Chapuis , Sourabh Kumar Saha , S. Volz

Electrochemical devices such as solid oxide fuel cells (SOFC) may greatly benefit from the implementation of nanoengineered thin-film multifunctional layers providing, alongside enhanced electrochemical activity, improved mechanical, and…

Fouling of surfaces leads to performance degradation in many energy-intensive industrial processes, but the present solutions are either too complicated to be routinely used or incomplete for eradication. Here we propose and demonstrate…

The compression of a low-density copper foam was simulated with a radiation, hydrodynamics code. In one simulation, the foam had a density of $\rho_0 = 1.3407$ g/cm$^3$, 15% the density of copper at standard temperature and pressure, and…

Materials Science · Physics 2011-02-21 J. B. Elliott , M. A. Duchaineau , T. Dittrich , A. V. Hamza , R. Macri , M. Marinak

Deploying fibrous membranes for passive daytime radiative cooling (PDRC) on large and irregular surfaces is highly desirable but remains challenging, owing to the slow deposition rates and the need for electrically conductive substrates in…

Polymer nanofibers with high thermal conductivities and outstanding thermal stabilities are highly desirable in heat transfer-critical applications such as thermal management, heat exchangers and energy storage. In this work, we unlock the…

Chemical Physics · Physics 2014-09-12 Teng Zhang , Xufei Wu , Tengfei Luo

Plasmonic materials and metamaterials have been widely utilized to achieve spectral transmission, reflection and absorption filters based on localized or delocalized resonances arising from the interaction of photons with nanostructured…

Optics · Physics 2014-10-30 Zhongyang Li , Serkan Butun , Koray Aydin

The low efficiency of commercially-used reverse osmosis (RO) membranes has been the main obstacle in seawater desalination application. Here, we report the auspicious performance, through molecular dynamics simulations, of a seawater…

Biological Physics · Physics 2021-03-12 Weifeng Li , Yanmei Yang , Hongcai Zhou , Xiaoming Zhang , Mingwen Zhao

The progress in the semiconductor industry has resulted in great demand for high-frequency magnetic materials applicable in microfabricated inductor cores. Nanocomposite materials, containing magnetic nanoparticles in a non-conducting…

Mesoscale and Nanoscale Physics · Physics 2025-08-28 Mathias Zambach , Ziwei Ouyang , Matti Knaapila , Marco Beleggia , Cathrine Frandsen

This work reports on the synthesis and characterization of a new type of electrospun magnetic nanofibers (MNFs), and their application for degradation of organic pollutants using remote magnetic inductive heating. We describe a simple…

A new class of wideband bandpass filters based on using thick metallic bars as microwave resonators, instead of common microstrip lines, is presented. These bars provide a series of advantages over fully planar printed technologies,…

Recent air pollution issues have raised significant attention to develop efficient air filters, and one of the most promising candidates is that enabled by nanofibers. We explore here selective molecular capture mechanism for volatile…

Mesoscale and Nanoscale Physics · Physics 2014-02-06 Yu Wan , Jun Guan , Xudong Yang , Quanshui Zheng , Zhiping Xu

The COVID-19 pandemic has caused a global shortage of personal protective equipment. While existing supply chains are struggling to meet the surge in demand, the limited supply of N95 filtering facepiece respirators (FFRs) has placed…

Micro/nanoporous membranes have been used extensively in biological and medical applications associated with filtration, particle sorting, cell separation, and real-time sensing. Expanding its applications to microfluidics offers several…

In the COVID-19 pandemic, billions are wearing face masks, in both health care settings and in public. Which type of mask we should wear in what situation, is therefore important. There are three basic types: cotton, surgical, and…