Articles tagged with Vapors
The NIST team used cesium atoms to receive digital bits in phase shifting format, receiving up to 5 megabits of data per second. The atom-based system showed decent accuracy with an error vector magnitude (EVM) below 10 percent.
Chronic e-cigarette vapor exposure damages lungs by disrupting normal lung structure and function, reducing immune cell response to viral infections. The study also found abnormal lipid accumulation within resident macrophages, leading to increased susceptibility to diseases like influenza.
A recent study by the University of Pennsylvania School of Medicine found that nicotine-free e-cigarettes can immediately reduce vascular function and impair blood flow. The researchers used MRI exams on healthy adults to measure changes in blood vessels after vaping a single e-cigarette, revealing significant damage.
Numerical simulations reveal that thin films with negative thermodiffusion coefficients increase the absorption of vapour, improving heat recycling. The study offers valuable new insights into enhancing the performance of falling film absorbers.
Researchers at British American Tobacco found that aerosols from vapour products and THPs caused significantly less staining on tooth enamel, skin, cloth, and wallpaper than cigarette smoke. The study suggests switching to these products may offer cosmetic benefits for consumers.
A new study by Imperial Brands found that Blu vapor did not trigger significant toxicological responses in human lung cells, unlike cigarette smoke. The research used a 3D model of human lung tissue and found no decrease in cilia or ciliated cells after four weeks of exposure.
Researchers from the University of Bath have patented a technique that allows electrons to be accessed for applications including quantum computing, atom cooling, and precision measurements. The innovation uses gold nanoparticles to stabilize alkali metal vapors, enabling fast and reproducible control over the vapor density.
A team of researchers has detailed the final fate of levitating Leidenfrost droplets, finding that smaller drops escape and larger ones explode violently. The study's findings suggest that contaminants play a crucial role in determining the droplets' behavior, with minute quantities having significant effects on their lifetime.
A new study by Concordia researcher Carly Ziter shows that extensive tree canopy cover in urban areas can dramatically reduce temperatures, making a significant difference even within a few city blocks. The study found that temperatures vary as much within the city as they do between the city and surrounding countryside.
Scientists found evidence of water vapor in lunar exosphere after analyzing data from NASA's LADEE mission, which orbited the Moon from October 2013 to April 2014. The team detected dozens of events where meteoroids struck the Moon's surface, releasing a short-lived water vapor that could be used as a resource for future human explorat...
NASA has launched the AZURE mission, carrying instruments to measure atmospheric density and temperature in auroral regions. The mission will release colorful gas tracers to track particle flow and provide valuable data on ionosphere dynamics.
New research by Imperial Brands shows that vaping blu e-vapor produces a similar effect on human lung tissue as normal air. The study found that exposure to blu vapour had no cytotoxic impact on human airway tissue, unlike conventional cigarette smoke.
Researchers from Kanazawa University have discovered a novel system where a liquid-solid transition is driven by guest vapor, exhibiting selectivity for alkane vapors. This unique property enables the development of new vapor detection systems and adhesion materials.
A researcher at Argonne National Laboratory has developed a faster way to create molecular models, accelerating the screening of potential new organic materials for electronics. The approach uses machine learning to predict electronic properties and enables scientists to screen more packing arrangements than before.
Researchers at Hokkaido University developed a porous material that turns yellow to reddish-brown when exposed to acid vapor, returning to its original color upon removal. The material's stability is remarkable, maintaining its structure at high temperatures and resisting common organic solvents.
A breakthrough discovery has identified new links between natural air pollutants and manmade emissions, which could lead to more accurate climate-related legislation. The study found that particles formed from a mixture of natural and man-made vapours are significantly reduced compared to individual components.
Academics from Northumbria University are continuing their groundbreaking research on liquid droplet behavior. They will investigate ways to control the formation of droplets using electrical voltages, which has never been possible before. This technology could lead to innovative techniques for printing and coatings applications.
Researchers discovered that levitated droplets can self-propel across a cryogenic liquid surface, gliding and oscillating without friction. The phenomenon is driven by an asymmetry between the front and back of the drop, emerging in the supporting film's thickness.
Researchers found that sulfuric acid, ammonia, and organic vapors are necessary for efficient particle formation in continental moderately polluted atmospheres. Nitrogen oxides decrease newly formed particles, affecting climate change models and aerosol-cloud interactions.
Materials scientists have developed a new strategy to keep condensed droplets from coalescing into a film, allowing for more efficient heat transfer. The approach uses superomniphobic surfaces with knife-like ridges to create 'jumping' droplets that repel and move away from the condenser surface.
Researchers at Duke University and Yale found that flavorings react with vaping liquids, creating new compounds that could trigger irritation and inflammation. The study highlights the need for transparency on e-cigarette ingredients, particularly among youth.
A recent study by British American Tobacco found that e-cigarettes and tobacco heating products significantly reduce enamel discoloration compared to conventional cigarettes. The researchers assessed the impact of these products on teeth using an in vitro study and found minimal staining.
A study by Columbia University's Mailman School of Public Health found gas station vent pipes release vapors containing toxic chemicals like benzene. The researchers' findings exceed safe limits for benzene exposure, prompting officials to reconsider setback regulations.
Researchers developed a mathematical model to describe convective processes in two-layer systems, focusing on gravity and liquid layer thickness. The study aims to improve micro-sized cooling devices for satellites and life support systems.
A new coating has been shown to reduce heat transfer and alleviate tensile stresses in ceramic materials, improving their thermal-shock behavior. The coating creates a vapor film that insulates the material from rapid temperature changes.
A small experimental study found that e-cigarette vapor disables key immune cells in the lung and boosts inflammation. The vapour impairs the activity of alveolar macrophages, which are crucial for removing dust particles, bacteria, and allergens from the air spaces.
Scientists are testing a NASA-coated material to reduce mercury vapor and other contaminants in the Smithsonian Institution's cultural artifacts and natural-science specimens. The Molecular Adsorber Coating (MAC) is being evaluated for its effectiveness in protecting the over 54-million collection items.
A team of scientists, led by Madalena Kozachuk, has recovered two previously hidden daguerreotype images from the National Gallery of Canada's photography research unit. The images, taken possibly as early as 1850, were damaged due to tarnish and other degradation, but were restored using synchrotron technology.
Research from the Global Forum on Nicotine highlights reduced cravings for cigarettes after vaping or using iQOS. Smokers who switch to vapour alternatives experience improved health measures, comparable to quitting entirely. Vaping is banned in Thailand, but permitted in the UK.
Researchers at Portland State University developed methods to measure free-base nicotine in e-cigarette liquids and vapor. The study found that JUUL products have low free-base levels but high total nicotine, making them tolerable for inhalation.
Researchers revisited a 2015 study finding e-cigarette vapor contains new forms of formaldehyde, which are bound to particulates and deposited deeper in the lungs, posing higher risks than previously known. The study found both gaseous and new formaldehyde compounds exceeding OSHA workplace limits even at lower heat settings.
Researchers have solved the mystery of steam burns, revealing that water vapour penetrates skin pores to cause second-degree burns. The epidermis cannot protect against steam, which condenses in the lower dermal layer, releasing thermal energy and triggering damage. To minimize damage, cooling is essential for a long time.
Researchers at Purdue University have discovered that superhydrophobic materials can boil water efficiently when air and vapor are removed from the system. This breakthrough enables highly effective boiling, allowing for improved cooling of high-power electronics and enhancing thermal management technologies.
Researchers at NIST developed a miniature chip that uses laser light to measure quantities like length with quantum precision. The design packs the atom cloud and structures for guiding light waves into less than 1 square centimeter, achieving a hundredfold increase in measurement precision compared to other devices.
A recent study published by British American Tobacco found that vaping does not cause the same level of tooth discoloration as smoking. The research used cow's teeth to test the impact of e-cigarette vapour and tobacco-heated products on tooth colour, with surprising results.
A new study shows that airway cells damaged by cigarette smoke can be reversed when exposed to glo vapour. The results suggest that glo may have reduced risk compared to conventional cigarettes.
Research suggests iQOS's 'heat not burn' technology may release toxic chemicals when used improperly. The study found that thorough cleaning and proper use can increase the risk of charring and chemical release. Independent research has been lacking, highlighting the need for further safety testing.
Research suggests that e-cigarette vapour can increase susceptibility to lung infection with pneumococcal bacteria, similar to traditional cigarette smoke or particulate matter from fossil-fuel pollution. Long-term vaping may raise the risk of bacterial lung infection.
Scientists found that glo vapour triggered only two gene changes in human airway tissue, whereas cigarette smoke caused thousands of changes. This suggests glo vapour may cause less damage to cells compared to smoking conventional cigarettes.
A recent animal study suggests that heat-not-burn tobacco products may not offer cardiovascular protection. Exposure to iQOS vapor resulted in a significant decrease in blood vessel function, comparable to cigarette smoke.
Scientists found gloTM vapour produces significantly lower levels of harmful compounds compared to cigarette smoke. The study measured 126 substances and found that 102 were emitted 95% less in gloTM vapour than in cigarette smoke.
Scientists ranked glo™ and other next-generation products against conventional cigarettes, finding reduced toxicants in vapour and biological impact on cells. Glo™ produced a substantially reduced response compared to cigarette smoke.
New research by British American Tobacco finds that vapour from gloTM has no toxic effect on human lung cells, unlike cigarette smoke. The study's results indicate that gloTM is substantially less harmful and may be considered a reduced-risk alternative.
Researchers at Portland State University found benzene and other carcinogenic chemicals in butane hash oil vapor, raising health concerns about dabbing. The study highlights the need for further toxicology research to guide future policy on marijuana consumption.
The Vype ePen database presents comprehensive scientific test results, showing the product has a lower toxicity profile than traditional cigarettes. Clinical and population studies indicate efficient nicotine delivery, reducing harm and increasing quit rates.
Scientists at KAUST have found that the edge of a surface structure plays a crucial role in water-droplet formation during vapor harvesting. This discovery reveals that rough-edged structures mimicking nature can be highly effective in collecting atmospheric water vapor, potentially improving efficiency in regions with limited rainfall...
Researchers at the Naval Research Laboratory have discovered a new phase change mechanism in monolayer Transition Metal Dichalcogenides (TMDs) that can be used to create highly sensitive chemical vapor sensors. The sensors can detect nerve agents and explosives with high selectivity and sensitivity.
A new approach to training explosive-detecting dogs uses real-time vapor analysis to accurately measure the vapor plumes from explosives that trigger a canine response. This method helps differentiate between correct and incorrect identifications, reducing cross-contamination errors.
A laboratory study reveals that e-cigarette vapour has no effect on wound healing, whereas cigarette smoke completely prevents it at concentrations over 20%. The test used the scratch test to compare the effects of smoke extract and vapour extract from two commercial e-cigarettes.
Researchers at RMIT University have developed a solar paint that can split water atoms to generate hydrogen fuel, the cleanest source of energy. The innovative material, synthetic molybdenum-sulphide, catalyses the reaction and acts as a semi-conductor, making it efficient in producing hydrogen from solar energy and moist air.
A study found that vapour from a novel hybrid tobacco heating product and two standard THPs had little to no impact on human cells in lab-based biological tests. The results suggest these products could reduce smoking-related disease risks when compared to cigarette smoking.
Researchers have developed a 3D graphene oxide based artificial transpiration device with high solar vapor efficiency, minimizing convection and conduction losses. The device can also collect more sunlight throughout the day and enable effective water treatment through two pathways.
A new tobacco hybrid device, iFuse, produces a vapour with similar toxicant profile to e-cigarette Vype ePen, but with enhanced flavour. The vapour's toxicity levels are significantly lower than those in cigarette smoke.
Researchers at UMass Amherst create a breathable, pliable, metal-free electrode coating that can be applied to off-the-shelf clothing without compromising comfort. The coating generates small electric currents through triboelectric charging and has been tested on various fabrics with promising results.
Research by British American Tobacco found that e-cigarette vapour has a limited effect on gene expression in human lung cells compared to cigarette smoke. The study exposed MucilAir 3D models to equivalent or higher doses of nicotine and measured the genes affected, revealing significant differences in response.
Researchers at Duke University have developed a new 'jumping droplet' technique that effectively cools mobile hotspots by harnessing the power of surface energy. This breakthrough method, reported in Applied Physics Letters, enables efficient heat dissipation in all directions, outperforming existing methods.
Engineers have developed a technology to cool hotspots in high-performance electronics by leveraging the same physical phenomenon that cleans cicadas' wings. Droplets jump toward hotspots, bringing cooling where it's needed most, and the results appear online.
Researchers at Hokkaido University have created a nickel complex that changes color and magnetism when exposed to methanol vapor. The material exhibits vapochromic properties, making it suitable for chemical sensing applications.
Citric acid's thermal degradation can form anhydrides, which are known to trigger allergic reactions. Researchers warn that these chemicals could be released in e-cigarette vapor, posing health risks.
Researchers from Portland State University found significant levels of benzene in e-cigarette vapors, thousands of times higher than ambient air when devices are used at high power. Benzene has been linked to diseases like leukemia and bone marrow failure.