Month: January 2021

IMAGE: This gold “coin ” was made from nanoparticle building blocks, thanks to a new technique developed by Brown University researchers. Making bulk metals this way allows for precise of the metal’s… view more  Credit: Chen Lab / Brown University PROVIDENCE, R.I. [Brown University] — Metallurgists have all kinds of ways to make a chunk of

IMAGE: At the heart of the imaging technique is a complex array of 72 circular apertures view more  Credit: Dr Murat Sivis Laser beams can be used to change the properties of materials in an extremely precise way. This principle is already widely used in technologies such as rewritable DVDs. However, the underlying processes generally take

Nanofiltration (NF) is an advanced technology for treating wastewater containing organic micropollutants (OMPs). Recently, a research group led by Prof. WAN Yinhua from the Institute of Process Engineering (IPE) of the Chinese Academy of Sciences developed a stable graphene oxide nanofiltration membrane with uniform pore size to remove OMPs. The study was published in Chemical

IMAGE: (a) Different colours as printed, compressed and recovered respectively, observed by the objective lens. (b) Tilted (30° tilt angle) and top view of SEM images before and after programming and… view more  Credit: SUTD The Singapore University of Technology and Design (SUTD) and its research collaborators have successfully demonstrated the four-dimensional (4D) printing of shape

IMAGE: Miniature robots created from bubbles can manipulate small pieces into interconnected structures. view more  Credit: Video credit belongs to the American Chemical Society. Robots are widely used to build cars, paint airplanes and sew clothing in factories, but the assembly of microscopic components, such as those for biomedical applications, has not yet been automated. Lasers

IMAGE: Polymer and radionuclide chemists report major advance in microcapsule drug delivery systems. Their microcapsules — labeled with radioactive zirconium-89 — are the first example of hollow polymer capsules capable of… view more  Credit: UAB BIRMINGHAM, Ala. – University of Alabama at Birmingham polymer and radionuclide chemists report what they say “may represent a major step

IMAGE: A standard radio control-based drone, upgraded with necessary hardware and software and equipped with a simple 2D camera for the detection of a symbolized landing pad view more  Credit: Malik Demirhan and Chinthaka Premachandra in “Development of an Automated Camera-Based Drone Landing System, ” published in IEEE Access by IEEE Xplore, under Creative Commons license

IMAGE: Illustration of a new optical system to miniaturize the laser cooling of atoms, a key step towards cooling atoms on a microchip. A beam of laser light is launched from… view more  Credit: NIST It’s cool to be small. Scientists at the National Institute of Standards and Technology (NIST) have miniaturized the optical components required

IMAGE: The channels between graphene sheets are horizontal, which is not great for applications like water filtration. But researchers from Brown University have shown a way to flip those channels to… view more  Credit: Hurt lab / Brown University PROVIDENCE, R.I. [Brown University] — When sheets of two-dimensional nanomaterials like graphene are stacked on top of

IMAGE: Cascading optofluidic phase modulators for performance enhancement in refractive adaptive optics, doi 10.1117/1.AP.2.6.066005 view more  Credit: SPIE Microscopy is the workhorse of contemporary life science research, enabling morphological and chemical inspection of living tissue with ever-increasing spatial and temporal resolution. Even though modern microscopes are genuine marvels of engineering, minute deviations from ideal imaging conditions

IMAGE: Schematic illustration of switchable metasurfaces Full-color image is switched on (top) and concealed (bottom) by the polarization angle (0° and 90°) of the incident light, making it applicable to cryptography…. view more  Credit: POSTECH Despite the anticounterfeiting devices attached to luxury handbags, marketable securities, and identification cards, counterfeit goods are on the rise. There is

IMAGE: Fig.2 Electron dynamics around a misoriented molecular defect. (a) STM image and snapshots obtained over an area including the defect indicated by the white arrow. Snapshots clearly show that electrons… view more  Credit: University of Tsukuba Tsukuba, Japan – A team of researchers from the Faculty of Pure and Applied Sciences at the University of

Two novel techniques, atomic-resolution real-time video and conical carbon nanotube confinement, allow researchers to view never-before-seen details about crystal formation. The observations confirm theoretical predictions about how salt crystals form and could inform general theories about the way in which crystal formation produces different ordered structures from an otherwise disordered chemical mixture. Crystals include many

IMAGE: A comparison of how linear PEG (left) and cyclic PEG (right) attach to a gold nanoparticle (Yubo Wang, Takuya Yamamoto). view more  Credit: Yubo Wang, Takuya Yamamoto Hokkaido University scientists have found a way to prevent gold nanoparticles from clumping, which could help towards their use as an anti-cancer therapy. Attaching ring-shaped synthetic compounds to