Articles tagged with Condensation
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Researchers have captured the most detailed images yet of molecules inside synthetic chromatin condensates, allowing them to understand how these droplet-like structures form and function. The team found that linker DNA length affects structure arrangement, which in turn dictates interactions between chromatin fibers.
Researchers at MBL propose a model for how properties of individual molecules emerge to form liquid droplets called condensates. By combining imaging and computer simulations, they reveal the importance of linker DNA in determining condensate structure.
A new mathematical framework, STIV, can predict larger-scale effects like proteins unfolding and crystals forming without costly simulations or experiments. The framework solves a 40-year-old problem in phase-field modeling, allowing for the design of smarter medicines and materials.
A study by a trans-European research team reveals how DNA condensation during the cell cycle is regulated by a unique molecular switch. When cell division begins, the key enzyme CDK1 phosphorylates microcephalin and M18BP1, allowing condensin II to pack the DNA into sausage-shaped chromosomes.
A team of engineers at the University of Texas at Dallas has developed a new surface design that collects and removes condensates rapidly, challenging conventional theory. The discovery reveals a limitation in existing heat transfer models and inspires a new theory to explain the phenomenon.
Researchers at Kobe University discovered that the molecule afadin plays a crucial role in cell adhesion by facilitating droplet formation. This process is essential for organs to form properly and tissues to develop, with significant implications for cancer metastasis and tissue engineering.
Engineers developed a scalable method for creating topography-patterned aluminum surfaces with high-resolution wettability contrast. The surfaces exhibit distinct behaviors from superhydrophobic to hydrophilic, offering improved phase-change heat transfer applications.
Scientists at Baylor College of Medicine have identified liquid-like condensates as replication hubs for human norovirus. These biomolecular structures are dynamic and can merge or divide, exchanging materials with their surroundings.
The Amazon rainforest is a significant source of condensation nuclei for clouds, according to two studies. The rainforest's plant transpiration and thunderstorms produce aerosol particles that can be transported thousands of kilometers, influencing marine cloud formation.
A research team found that rainfall in the Amazon rainforest creates temporary bursts of nanoparticles that can grow into cloud condensation nuclei, essential for water vapor to condense and form clouds. This new understanding challenges previous theories on aerosol particles and their role in precipitation formation.
Physicists at the University of Bonn and Kaiserslautern-Landau created a one-dimensional gas out of light, allowing for the first time to test theoretical predictions about its transition into an exotic state of matter. The method used in the experiment could be used to examine quantum effects.
Researchers from Dalian Institute of Chemical Physics developed a strategy to leverage lignin condensation, a process previously considered a hindrance, to produce valuable chemicals and materials. This approach maximizes the value of lignocellulose, aligning with the goals of green biorefineries.
A recent analysis of cloud measurements and satellite data suggests that even tiny aerosol particles may play a significant role in cloud formation. This finding challenges current models and could have significant implications for predicting future climate change.
Scientists at KAUST have observed that water droplets condense onto a cold surface coated with oil exhibit complex dance-like motion. This phenomenon could lead to more efficient water harvesting systems, especially in arid regions. The research aims to optimize collective motion of condensing droplets to increase condensation rates.
Research by Dominik Stolzenburg reveals that aerosols from volatile organic substances can cluster together to form condensation nuclei for water vapor. This process affects cloud density and global warming, potentially offsetting the effect of CO2 increases on climate change.
A Purdue University experiment is investigating how reduced gravity affects boiling and condensation, crucial for long-term space habitats. The research aims to provide data needed to answer decades-old questions about these phenomena in weightlessness.
Researchers at Indian Institute of Science developed a novel thermal desalination system that uses solar energy to produce freshwater. The system is more energy-efficient and cost-effective than traditional methods, and can be adjusted to align with the sun's position during the day.
The study confirms the helical coiling of condensed metaphase chromosomes, a concept that has been debated for decades. Researchers used multiple experimental approaches to validate the existence of chromonema coiling in barley and propose a general mechanism for chromosome condensation.
A study published in Atmospheric Chemistry and Physics found that phytoplankton productivity in the Southern Ocean contributes to dense clouds that reflect sunlight. The high density of water droplets in these clouds helps regulate global temperatures and precipitation patterns.
A study from Nagoya University reveals that atmospheric secondary particle formation influences the number of cloud condensation nuclei in remote areas. This leads to a greater cooling effect by clouds on climate change. The research aims to improve climate model accuracy and predict future climate change.
Researchers found that SEUSS condensates rapidly form upon hyperosmotic stress, enabling Arabidopsis to tolerate salt and drought. Loss of SEU dramatically compromises stress-tolerance gene expression.
Researchers at John Innes Centre discovered a mechanism of flowering plant sperm compaction using histone protein H2B.8. This mechanism allows for moderate nuclear condensation without compromising gene activity, essential for immotile sperm and pollen tube travel.
Researchers at UNIST developed superaerophobic polyethyleneimine hydrogels to improve electrochemical hydrogen production by promoting bubble detachment. These hydrogels can be easily coated on electrodes, allowing for controlled pore size and porosity, leading to enhanced performance.
Researchers at Seoul National University have created synthetic DNA condensates with programmable compositions and functionalities. The condensates enable drastic speedup of DNA computation, including logic gate operations, by over tenfold.
Researchers have advanced a novel platform to accelerate the harvesting process, solving a key problem in water collection by removing thermal barriers. The design features mushroom-like channels that direct water droplets into collectible containers, allowing for continuous water harvesting anywhere.
Researchers analyzed data from Ka-band radar and satellite observations to study the effects of cloud seeding on mixed convective-stratiform clouds. The study found that the convective region responds with larger precipitation particles, while the stratiform region experiences icing seeding tracks due to faster ice crystal formation.
Research team from Goethe University reproduces Asian monsoon conditions in experimental chamber, identifying increased aerosol particle formation. The study found that ice clouds can form under lower water vapour supersaturation than anticipated, affecting climate models' accuracy.
Researchers found nanoparticles from human activities rapidly grow in atmosphere and influence cloud formation, affecting raindrop formation and changing rainfall regime. The study provides new insights into the impact of small aerosols on precipitation and improves climate change studies based on mathematical models.
Scientists are developing new types of face masks that can kill viruses, be reused and be eco-friendly. Researchers have also found that improper mask usage can sometimes be worse than no mask at all.
Researchers develop a multifunctional supramolecular catalysis protocol using open-cage solutions to achieve diverse cage-confined catalysis. The protocol enables selective mass transfer, C-H activation, and anionic intermediate stabilization, promoting acid/base-catalyzed cascade reactions.
Researchers from DTU Space and The Hebrew University of Jerusalem found that solar eruptions reduce cosmic ray flux, leading to reduced aerosol production and decreased cloud cover. This results in an increase in the Earth's energy budget by almost 2 W/m2 within 4-6 days.
A new mechanism of condensation has been discovered in self-propelled particles, where they turn and move toward dense regions to accumulate. This finding challenges the traditional understanding of condensation, which relies on attractive forces between molecules.
Researchers developed an anti-icing material that removes condensed water through self-propelled droplet jumping, inspired by wheat leaves. The material remains ice-free in temperatures as low as -50 °C and under high humidity, making it suitable for various environmental conditions.
Scientists have discovered a new type of coronal rain forming along open magnetic structures on the Sun, which is facilitated by interchange magnetic reconnection between open and closed magnetic structures. This mechanism triggers thermal instability, leading to cooling and condensation of hot coronal plasma, resulting in coronal rain.
Researchers discovered that stress triggers the formation of molecular droplets in the transcription regulator NELF, leading to a rapid downregulation of gene activity. This mechanism is essential for cell survival upon stress, as cells lacking proper NELF condensation experience higher death rates during stress.
Cells form 'lockdown' strategy by slowing down gene activity when stressed, allowing resources to be diverted for crisis response. NELF protein condensation plays key role in this process.
Researchers at the University of Manchester have clarified the science behind sandcastle building by resolving a century-old mystery. They created artificial capillaries where water vapor can condense under ambient conditions, showing that the 150-year-old Kelvin equation remains surprisingly accurate even at an atomic scale.
Researchers propose a fast and catalyst-free cross-linking strategy for constructing mechanically strengthened and biofunctional hydrogels. The new method uses o-phthalaldehyde (OPA) and N-nucleophiles to form stable linkages, reducing toxicity issues associated with traditional methods.
A common finding across three continents reveals that atmospheric turbulence enhances new particle formation (NPF), a key process for haze development. NPF growth rates are faster under stronger turbulence conditions, while instability parameters prolong event durations.
Researchers have discovered a new effect called 'RF current condensation' that can stabilize magnetic islands in plasma, allowing for improved control of fusion reactors. By heating the islands with radio waves, scientists can drive electric currents that cause them to shrink and disappear, enhancing stability.
New research shows that the slipperiness between droplets and solid surfaces is more critical for clearing condensation than previously thought. The findings could lead to cost-effective alternatives to water-repellent materials, such as ceramic or metal surfaces, which could last longer and be more durable.
Large light silicon isotope enrichments suggest rapid solid formation during local temperature fluctuations within the disk. The discovery challenges conventional understanding of planetary disk evolution and formation of first solids.
A new method of condensation, using lubricant-infused surfaces (LIS), has been found to promote more efficient heat transfer and droplet movement. The erratic movement of water droplets is caused by unbalanced capillary forces acting on the droplets.
Researchers discovered that wheat plants' sneezing off condensation can spread spore-borne diseases like wheat leaf rust, causing crop yield losses up to 20%. Condensation droplets can carry spores and jump high distances, potentially spreading disease across entire crops.
Researchers at the University of the Basque Country have developed a new method for producing 1-butene via ethylene dimerization using metal-organic frameworks (MOFs) without activators or solvents. The catalysts exhibit high selectivity and stability, making them a promising alternative to traditional homogeneous catalysis.
Researchers develop metal-organic frameworks (MOFs) with tailored defects that enhance the selective catalysis of ethylene dimerization. By simulating realistic MOF systems using computational resources, they found that unsaturated metal centers drive activity while bimetallic nature controls selectivity.
Researchers at University of Freiburg discover that reducing cell number in MSC clusters activates intrinsic differentiation program, prompting cartilage cell formation. Cell membrane proteins Caveolin-1 and N-Cadherin play key role in chondrogenic differentiation.
Researchers investigate pion condensation in neutron-rich tin isotope, finding critical density of around two times normal nuclear density. The discovery provides new insights into rapid cooling process of neutron star cores.
Researchers developed a novel sucking-flow liquid removal mechanism to promote both surface refreshing and droplet growth on a hierarchical mesh-covered surface, enhancing condensation heat transfer performance. This breakthrough addresses the long-standing challenge in pushing micro/nanostructured materials into practical applications.
Researchers found quartz in a primitive meteorite, providing evidence of silica condensation within the solar protoplanetary disk. The discovery helps understand solar formation and evolution.
Researchers analyzed zinc, chlorine, and lead in 'Rusty Rock' to find volatile elements condensed during the moon's early formation. The findings suggest a depleted lunar interior with reduced volatile compounds, including water.
Researchers at Virginia Tech have made breakthrough discovery on optimizing dew droplet size to improve efficiency of removing condensation. By fine-tuning surface nanoscopic topography, they found that droplets can be made small enough to jump off surfaces as early as 2 micrometers.
Researchers found that the plateau's surface sensible heating generates convective precipitation over the southern and eastern regions, while reducing in-situ surface sensible heating. The interaction between surface sensible heating and latent heating plays a leading role in this 'coupling system', influencing regional and global weat...
Researchers at Osaka University have found that calcium ions control chromosome condensation during mitosis, preventing misalignment and promoting compaction. This discovery sheds light on the mechanisms behind chromosome structure and organization.
A survey of 77 atmospheric scientists found no evidence to support the 'chemtrails' conspiracy theory, which claims a secret government program is releasing toxic chemicals into the air. The researchers cited methods for collecting samples as a possible cause of faulty results.
A study by Carnegie Institution for Science and University of California Irvine surveyed top atmospheric scientists, finding that 76 out of 77 rejected the existence of a secret spraying program. Experts attribute alleged 'chemtrails' to airplane contrail formation and poor data sampling.
Researchers at TU Munich and Weizmann Institute successfully recreated DNA condensation on a biochip, replicating the tightly packed structure found in cell nuclei and viruses. This breakthrough enables better understanding of biological processes and potential applications in artificial cells.
Researchers at a high-altitude research station in Switzerland used state-of-the-art instruments to study new particle formation and its role as cloud condensation nuclei. They found that highly oxygenated organic compounds contribute to nucleation for a short window after vertical transport from the planetary boundary layer.
Researchers at Virginia Tech developed a beetle-inspired method to control frost growth on surfaces using chemical micropatterns. By attracting water to specific areas and repelling it from others, they created dry zones around frozen dew drops, preventing frost from spreading.
Scientists have observed a multiple-star system in its early stages of formation, with three dense condensations that will collapse into stars in just 40,000 years. The system is expected to form a stable triple-star system, with the fourth star potentially leaving the system soon.