Nano planet

New wind speed sensor uses minimal power for advanced weather tracking

Physorg.com - 29 мая, 2024 - 23:24
Researchers have unveiled a pioneering breeze wake-up anemometer (B-WA), employing a rolling-bearing triboelectric nanogenerator (RB-TENG) that provides a new strategy for low-energy consumption environmental monitoring. The ability of the B-WA to operate autonomously and efficiently in varying wind conditions marks a substantial advancement in the field of sustainable environmental monitoring.
Категории: Nano planet

Researchers realize controlled synthesis of Au-Ag heterodimer arrays for high-resolution encrypted information

Physorg.com - 29 мая, 2024 - 20:39
Recently, a research group from Hefei Institutes of Physical Sciences of Chinese Academy of Sciences, developed an antielectric potential growth method for large-area preparation of Au-Ag heterodimer arrays. The prepared patterned Au-Ag dimer arrays have information resolution up to the nanometer scale due to the multipolar coupling resonance between the Au and Ag components.
Категории: Nano planet

Multi-electrode integration in gut-on-chip systems enhances intestinal barrier monitoring

Physorg.com - 29 мая, 2024 - 20:24
To enhance the fields of drug development and medical research, there has been a strategic pivot from traditional animal experiments to the adoption of novel in vitro models. These models meticulously replicate human physiology, spurring the development of microphysiological systems or Organs-on-Chips.
Категории: Nano planet

Researchers develop efficient tandem catalyst to enhance nitrate electroreduction to ammonia

Physorg.com - 29 мая, 2024 - 19:32
A research team has designed a tandem catalyst to improve the electroreduction of nitrate into ammonia. By coupling Cu single atom catalysts with adjacent Co3O4 nanosheets, the team successfully regulated the adsorption energy of intermediates in the nitrate electroreduction process, promoting the synthesis of ammonia.
Категории: Nano planet

Computational lens unmasks hidden 3D information from a single 2D micrograph

Physorg.com - 29 мая, 2024 - 19:11
National University of Singapore (NUS) physicists have developed a computational imaging technique to extract three-dimensional (3D) information from a single two-dimensional (2D) electron micrograph. This method can be readily implemented in most transmission electron microscopes (TEMs), rendering it a viable tool for rapidly imaging large areas at a nano-scale 3D resolution (approximately 10 nm).
Категории: Nano planet

Researchers create materials with unique combination of stiffness, thermal insulation

Physorg.com - 29 мая, 2024 - 18:51
Researchers have demonstrated the ability to engineer materials that are both stiff and capable of insulating against heat. This combination of properties is extremely unusual and holds promise for a range of applications, such as the development of new thermal insulation coatings for electronic devices.
Категории: Nano planet

Engineers link oxygen to graphene quality and develop new techniques to reproducibly make the material at scale

Physorg.com - 29 мая, 2024 - 18:00
Graphene has been called "the wonder material of the 21st century." Since its discovery in 2004, the material—a single layer of carbon atoms—has been touted for its host of unique properties, which include ultra-high electrical conductivity and remarkable tensile strength. It has the potential to transform electronics, energy storage, sensors, biomedical devices, and more. But graphene has had a dirty little secret: it's dirty.
Категории: Nano planet

Amino acid found in chicken feathers could deliver chemotherapy drugs and repair enzymes

Physorg.com - 29 мая, 2024 - 18:00
A new method of drug delivery using proline, an amino acid found in chicken feathers and skin tissue, could be used to limit the side effects of chemotherapy and repair important enzymes, new research suggests.
Категории: Nano planet

New device precisely controls photon emission for more efficient portable screens

Physorg.com - 29 мая, 2024 - 16:30
Recently, a team of chemists, mathematicians, physicists and nano-engineers at the University of Twente in the Netherlands developed a device to control the emission of photons with unprecedented precision. This technology could lead to more efficient miniature light sources, sensitive sensors, and stable quantum bits for quantum computing.
Категории: Nano planet

Researchers successfully fabricate NiS ultrafine nanorods with separated symmetry along two directions

Physorg.com - 28 мая, 2024 - 23:58
Crystal symmetry is a fundamental concept in materials science, playing a crucial role in determining structure-property relationships. Typically, a crystal is a solid composed of structural units that periodically repeat in three-dimensional space, forming a system that exhibits both translational and rotational symmetry.
Категории: Nano planet

Novel carbon nanotube yarns can generate electricity from waste heat

Physorg.com - 28 мая, 2024 - 23:12
In line with global efforts towards sustainability, the development of energy harvesting technologies has become a top research priority. Although renewable energy sources like wind and solar power have recently taken the spotlight, waste heat also stands as a largely untapped source of energy. Using thermoelectric materials, industrial waste heat can be harvested and converted into electrical energy, which can help increase the efficiency of industrial processes.
Категории: Nano planet

Biologists find nanoplastics in developing chicken heart

Physorg.com - 28 мая, 2024 - 23:06
Nanoplastics can accumulate in developing hearts, according to a study published in Environment International by biologist Meiru Wang from Leiden University. Her research on chicken embryos sheds new light on how these tiny plastic particles pose a threat to our health.
Категории: Nano planet

New approach uses 'cloaked' proteins to deliver cancer-killing therapeutics into cells

Physorg.com - 28 мая, 2024 - 20:31
An interdisciplinary collaboration has designed a way to "cloak" proteins so that they can be captured by lipid nanoparticles, which are akin to tiny bubbles of fat. These bubbles are small enough to sneak their hidden cargo into living cells, where the proteins uncloak and exert their therapeutic effect.
Категории: Nano planet

Producing gold nano-particles (and hydrogen) in water without the need for toxic chemicals

Physorg.com - 28 мая, 2024 - 17:26
In a surprise discovery, Flinders University nanotechnology researchers have produced a range of different types of gold nanoparticles by adjusting water flow in the novel vortex fluidic device—without the need for toxic chemicals. The article, "Nanogold Foundry Involving High-Shear-Mediated Photocontact Electrification in Water," has been published in Small Science.
Категории: Nano planet

New metasurface-based edge detecting filter for remote sensing could transform crop monitoring

Physorg.com - 28 мая, 2024 - 17:13
New work by researchers from the ARC Center of Excellence for Transformative Meta-Optical Systems (TMOS) and City University of New York (CUNY) published May 27 in Nature Communications realizes a new, tunable edge-detecting filter for flat-optic imaging systems that can switch between an image of an object's outline and a detailed infrared image.
Категории: Nano planet

Structural engineering unlocks potent tumor treatment with dual-function magnetite nanozymes

Physorg.com - 27 мая, 2024 - 17:56
According to a study published in the Chemical Engineering Journal, a collaborative research team led by Prof. Wang Hui from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed magnetite nanozyme (MNZ) with dual enzymatic activities through structural engineering and demonstrated its structure-dependent behavior in the process of tumor treatment.
Категории: Nano planet

Study reveals promising technology for sepsis treatment using functional magnetic nanoclusters

Physorg.com - 27 мая, 2024 - 17:01
A research team has introduced a novel technology capable of removing inflammation-triggering agents in extracorporeal blood. The team, led by Professors Joo Hun Kang and Jinmyoung Joo in the Department of Biomedical Engineering at UNIST, in collaboration with Professor Jae Hyuk Lee from Seoul National University Bundang Hospital, anticipates that this innovation will open avenues for sepsis treatment by demonstrating excellent therapeutic effects under conditions similar to those of actual patients.
Категории: Nano planet

Sweat sensor wristwatch offers real time monitoring of body chemistry

Physorg.com - 24 мая, 2024 - 21:36
Researchers have created a unique wristwatch that contains multiple modules, including a sensor array, a microfluidic chip, signal processing, and a data display system to monitor chemicals in human sweat. Their study is published in the journal ACS Nano.
Категории: Nano planet

Controlling water, transforming greenhouse gases

ScienceDaily.com: Nanotechnology News - 24 мая, 2024 - 18:53
Researchers have outlined a way to manipulate water molecules to make CO2R more efficient, with the ultimate goal of creating a clean energy loop. Through their new method, the team was able to perform CO2R with nearly 100% efficiency under mildly acidic conditions, using either gold or zinc as catalysts.
Категории: Nano planet

First topological quantum simulator device in strong light-matter interaction regime to operate at room temperatures

Physorg.com - 24 мая, 2024 - 12:00
Researchers at Rensselaer Polytechnic Institute have fabricated a device no wider than a human hair that will help physicists investigate the fundamental nature of matter and light. Their findings, published in the journal Nature Nanotechnology, could also support the development of more efficient lasers, which are used in fields ranging from medicine to manufacturing.
Категории: Nano planet