Self-organization of nanoparticles and molecules in periodic Liesegang-type structures
Chemical organization in reaction-diffusion systems offer a strategy to generate materials with ordered morphologies and architecture. Periodic structures can be formed using molecules or nanoparticles. An emerging frontier in materials science aims.....»»
Chiral molecular self-assemblies that absorb light boost singlet fission process, research demonstrates
In organic molecules, an exciton is a particle bound pair of an electron (negative charge) and its hole (positive charge). They are held together by Coulombic attraction and can move within molecular assemblies. Singlet fission (SF) is a process wher.....»»
Imaging advance creates clearer picture of organic solar cells" molecular structure
Research on organic solar cells has been conducted for a long time. Recent advancements in understanding their molecular structures are now paving the way for the development of highly efficient solar cells......»»
Mathematical model decodes protein interactions to show how condensates form
Biological cells are incredibly complex mixes of proteins, nucleic acids, lipids and carbohydrates. A model developed by two RIKEN researchers helps explain why components of the same type sometimes do and sometimes don't spontaneously come together.....»»
Foreign accents protect people from being judged for bad grammar, finds study
Speaking with a foreign accent mitigates the impact of making grammatical errors, depending on the personality type of the listener, a study has found......»»
International team discovers small molecules that regulate how fast plant leaves age
Two small molecules that are produced by the plant Arabidopsis thaliana are shown to have the opposite effect on how fast its leaves age. The molecules are peptides, short chains of amino acids. While the peptide SCOOP10 accelerates aging, SCOOP12 su.....»»
The iPhone 17 will reportedly new type of Wi-Fi chip
Apple currently gets its network chips from a manufacturer, but it might soon begin producing its own components in-house......»»
Single-molecule tracking technology streamlines drug discovery
New drug discovery is a critical step for improving patients' lives. First, researchers must identify molecules in the body's cells that help drive disease, as these are potential targets for new drugs. The next step is to screen candidate drugs that.....»»
Experiments demonstrate precise delivery of nanoparticles to lung via caveolae pumping system
In recent years, bio-medical engineers have been developing promising techniques that could help diagnose diseases or precisely target specific regions inside the human body. Among these promising therapeutic strategies are methods that rely on the u.....»»
Accelerating 3D nanofabrication using a sensitive cationic photoresist
Two-photon laser direct writing lithography or TPL is a cutting-edge technique used for creating nanoscale structures. It works by leveraging specific materials known as photoresists, which change their chemical properties when exposed to light. Thes.....»»
Novel polypeptide-based molecules could pave the way for enhanced polymer design
A research study describes a systematic high-throughput design approach for virtual screening and creation of novel polypeptide-based molecules that form regular secondary structures that can be used in biology or materials science research. The stud.....»»
Researchers observe stick-slip phenomenon in carbon nanotube fibers
The shapes of simple polyatomic molecules such as carbon dioxide and methane are characterized by a specific symmetry depending on the manner of linking of the atoms. Nano- to micrometer-sized particles that mimic the shapes of such polyatomic molecu.....»»
Solar-powered animal cells: Combining chloroplasts from algae with hamster cells
Energy-making chloroplasts from algae have been inserted into hamster cells, enabling the cells to photosynthesize light, according to new research in Japan. It was previously thought that combining chloroplasts (chlorophyll containing structures in.....»»
A Lost Mayan City Has Been Found With Laser Mapping
Archaeologists have revealed an ancient lost Mayan city using advanced laser mapping technology, unearthing monumental structures such as pyramids and plazas. Named Valeriana, the city is believed to have been founded before 150 AD......»»
“Impact printing” is a cement-free alternative to 3D-printed structures
Impact printing uses a high-velocity jet of material, fusing it into a structure. Recently, construction company ICON announced that it is close to completing the world’s larges.....»»
How a solid waste landfill transformed into a concerning elevated temperature landfill
New research explains how the Bristol Virginia Solid Waste Landfill has undergone a significant transformation into an elevated temperature landfill. Elevated temperature landfills are a specific type of landfill where buried waste undergoes chemical.....»»
Ars Live: What else can GLP-1 drugs do? Join us today for a discussion.
Dr. Daniel Drucker will discuss what's ahead for these blockbuster drugs. News and talk of GLP-1 drugs are everywhere these days—from their smash success in treating Type 2 diab.....»»
Team observes how iron atoms alter grain boundary structures in titanium
Using state-of-the-art microscopy and simulation techniques, an international research team has systematically observed how iron atoms alter the structure of grain boundaries in titanium. Their findings were published in the journal Science on Octobe.....»»
Scientists provide direct evidence of breakdown of spin statistics in ion-atom charge exchange collisions
Since the first X-ray image of a comet was reported using an X-ray telescope in 1996, the investigation of charge exchange in collisions between highly charged ions and atoms or molecules has emerged as a hot research topic......»»
Scientists create a molecular switch that can control cell division on demand outside of a living system
A living cell is a bustling metropolis, with countless molecules and proteins navigating crowded spaces in every direction. Cell division is a grand event which completely transforms the landscape. The cell starts behaving like the host of an interna.....»»
Have we found all the major Maya cities? Not even close, new research suggests
Archaeologists have analyzed lidar data from a completely unstudied corner of the Maya world in Campeche, Mexico, revealing 6,674 undiscovered Maya structures, including pyramids like those at the famous sites of Chichén Itzá or Tikal......»»