Sep 14, 2023 (Nanowerk News) The fact that humans and other living organisms can develop and grow from a single cell relies on a process called embryonic development. For healthy tissue to form, cells in the embryo have to organize themselves in the right way in the right place at...
Webb confirms accuracy of universe’s expansion rate measured by Hubble, deepens mystery of Hubble constant tension
Sep 14, 2023 (Nanowerk News) The rate at which the universe is expanding, known as the Hubble constant, is one of the fundamental parameters for understanding the evolution and ultimate fate of the cosmos. However, a persistent difference called the “Hubble Tension” is seen between the value of the constant...
Electrons from Earth may be forming water on the Moon
Sep 14, 2023 (Nanowerk News) A team of researchers, led by a University of Hawai‘i (UH) at Mānoa planetary scientist, discovered that high energy electrons in Earth’s plasma sheet are contributing to weathering processes on the Moon's surface and, importantly, the electrons may have aided the formation of water on...
Nanosheet electrocatalyst exhibits superior activity and excellent stability
Sep 14, 2023 (Nanowerk News) A research team led by City University of Hong Kong (CityU) has achieved a groundbreaking advancement in nanomaterials by successfully developing a highly efficient electrocatalyst which can enhance the generation of hydrogen significantly through electrochemical water splitting. This major breakthrough has great application potential for...
Enhancing atherosclerosis diagnosis using ultrasmall calcium carbonate nanoparticles
Sep 14, 2023 (Nanowerk News) Atherosclerosis is characterized by the hardening of blood vessels, especially certain arteries, due to the local buildup of fibers and lipids (mainly cholesterol) in the inner wall of an artery, causing it to narrow. It is a complex disease that can trigger life-threatening events, such...
Scientists design artificial ‘stalactite’ nanopores that mimic natural structures
Sep 14, 2023 (Nanowerk Spotlight) Nanopores are emerging as a powerful platform technology with applications across biosensing, energy harvesting, and other fields. However, most existing solid-state nanopore designs face challenges like instability, difficulties tuning the size, and inadequate ion selectivity. Scientists have been searching for ways to create more versatile...
High-tech invisible MOF ink spells trouble for counterfeiters
Sep 13, 2023 (Nanowerk News) A high-tech invisible ink invented at Sandia National Laboratories could become the newest tool for stopping counterfeit goods. The research team is now seeking partnerships to help develop and ultimately commercialize the new technology. Beyond their negative economic impact, counterfeit goods can threaten public health....
Pixel-by-pixel analysis yields insights into lithium-ion batteries
Sep 13, 2023 (Nanowerk News) By mining data from X-ray images, researchers at MIT, Stanford University, SLAC National Accelerator, and the Toyota Research Institute have made significant new discoveries about the reactivity of lithium iron phosphate, a material used in batteries for electric cars and in other rechargeable batteries. The...
Scientists unlock reversible twisting of nanoscale materials
Sep 13, 2023 (Nanowerk News) For the first time, researchers have synthetically produced nanoscale helices that can be repeatedly twisted, untwisted, and retwisted between two stable forms. This breakthrough, published in Nature Communications ("Twisting, untwisting, and retwisting of elastic Co-based nanohelices"), demonstrates an unprecedented, reversible transformation of nanoscale crystalline materials....
New terahertz emitters harness natural material properties for nanoscale devices
Sep 13, 2023 (Nanowerk Spotlight) The development of compact and efficient terahertz radiation sources is crucial for the advancement of terahertz technology across a range of applications from imaging and sensing to broadband communications. In a new study published in Advanced Materials ("Generation of Terahertz Radiation via the Transverse Thermoelectric...