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Analyzing Free-Space Transport of Photonic Hopfions

A new, highly uncommon, structured-light family of 3D topological solitons, called the photonic hopfions have been reported by scientists. Here, the topological numbers and topological textures could be tuned in a free and independent manner.

20 Jan 2023

Broken Symmetries Offer Opportunities for the Control of Thermal Emissions

Radiative heat transfer is a universal physical phenomenon in the universe. Any object having a temperature over absolute zero tends to exchange thermal energy with the surroundings.

5 Dec 2022

3D Optical Coherence Tomography for Analyzing Cyanobacterial Biofilm Architecture

In an article published in the journal Polymers, researchers assessed the effect of carbon nanotube (CNT)-modified surfaces in cyanobacterial biofilm development over a long-term assay under controlled hydrodynamic conditions.

27 Oct 2022

Elliptical Nanohole Arrays Improve Beaming Effect of Plasmonic Metalenses

A recent study in Optical Materials investigates the beaming effect of a plasmonic metalens with elliptical nanohole arrays in a metal film using experimental techniques and geometric simulations.

18 Oct 2022

Polarity-Switchable Photoconductivity in Semiconductor Nanowires

III-V semiconductor nanowires have intriguing material features, which facilitate the creation of advanced electronic and optoelectronic devices at the nanoscale.

14 Oct 2022

Study Highlights Future Engineering Design of NP-Doped Fiber Sensors

In an article published in the journal Scientific Reports, researchers investigated gold nanoparticles (NPs), used as the contrast agent in the optical fiber to increase the intensity of the backscattered light from the aspect of their spectra.

7 Oct 2022

Enhancing Laser Desorption/Ionization Mass Spectrometry

Professor Andrzej Witkowski and his colleagues at the Institute of Marine and Environmental Sciences, University of Szczecin, have investigated Pseudostaurosira trainorii mediated biosynthesized iron-oxide nanoparticles (IONPs) to enhance laser desorption/ionization mass spectrometry (LDI-MS).

5 Oct 2022

Researchers Introduce Metallic Oxide Nanocomposite as a Highly Efficient Optoelectronic Device

In a study published in Materials, researchers synthesized an optoelectronic device from a CuFeO2/CuO/Cu nanocomposite through the combustion of copper foil coated with iron oxide nanomaterial. The proposed optoelectronic device exhibited exceptional photoresponsivity and sensitivity to light.

4 Oct 2022

Researchers Propose Lacunarity Method for Subcellular Microscopic Analysis

A study published in the journal Cells proposes a lacunarity-based quantitative analysis method for assessing the nanoscale cellular structure and homogeneity of target molecules in single-molecule localization microscopy.

4 Oct 2022

Effect of Hydrogen Content on Silver Nanoparticles in Surface Enhanced Raman Spectroscopy

A pre-proof study in the Journal of Aerosol Science employs a series of spark discharges in a flowing gas environment to repeatedly manufacture silver nanoparticles using the hydrogen-assisted spark generation technique. Various compositions of H2-Ar mixtures were used as the carrier gas to comprehensively study how the hydrogen concentration affects the signal amplification achieved with silver nanoparticles in Raman spectroscopic investigations.

29 Sep 2022

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