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  • Portrait of University of Illinois Urbana-Champaign researchers involved in this study

    Water filtration membranes morph like cells

    Morphogenesis is nature’s way of building diverse structures and functions out of a fixed set of components. While nature is rich with examples of morphogenesis – cell differentiation, embryonic development and cytoskeleton formation, for example – research into the phenomenon in synthetic materials is scant. University of Illinois Urbana-Champaign researchers are taking a step forward using electron tomography, fluid dynamics theories and machine learning to watch soft polymers as the polymers learn from nature.

  • Deborah Leckband

    'Molecular Velcro' enables tissues to sense, react to mechanical force

    The Velcro-like cellular proteins that hold cells and tissues together also perform critical functions when they experience increased tension. A new University of Illinois Urbana-Champaign study observed that when tugged upon in a controlled manner, these proteins – called cadherins – communicate with growth factors to influence in vitro tumor growth in human carcinoma cells.

  • Illinois researchers, from left, Sudheer Salana, Joseph Puthussery, Haoran Yu and professor Vishal Verma recently conducted a comprehensive assessment of the oxidative potential of air pollution in the Midwestern U.S.

    Rural air pollution may be as hazardous as urban, study finds

    New research shows that chemical reactivity, seasonality and distribution of airborne particulate matter are critical metrics when considering air pollution’s impact on human health. Current environmental regulations focus on the mass of pollutant particles, and researchers at the University of Illinois Urbana-Champaign are pushing to refocus regulatory efforts on more regional and health-relevant factors.

  • Photo of researcher.

    14 Illinois faculty members elected AAAS Fellows

    Fourteen University of Illinois Urbana-Champaign faculty members have been elected 2021 fellows of the American Association for the Advancement of Science.

  • A microscope image of cells

    CRISPR-Cas13 targets proteins causing ALS, Huntington's disease in the mouse nervous system

    A new study by University of Illinois Urbana-Champaign researchers used a targeted CRISPR technique in the central nervous systems of mice to turn off production of mutant proteins that can cause ALS and Huntington’s disease. Rather than the popular DNA-editing CRISPR-Cas9 technique, the new approach uses CRISPR-Cas13, which can target mRNA – the messenger molecule that carries protein blueprints transcribed from DNA. The Illinois team developed Cas13 systems that could target and cut RNAs that code for the proteins that trigger ALS and Huntington’s disease, effectively silencing the genes without disturbing the cell’s DNA.

  • Sheldon H. Jacobson

    Models predict optimal airplane seating for reduced viral transmission

    As airline ticket sales have soared during the holiday season and the omicron variant causes surges of COVID-19 cases, a new University of Illinois Urbana-Champaign study may help passengers and airlines reduce risk of COVID-19 transmission by optimally seating passengers to minimize potential virus spread. Researchers used the most current data on aerosol spread on airplanes to calculate optimal seating assignments for common Boeing aircraft at different capacities. 

  • Book cover and portrait of author and researcher Rakesh Kumar

    How does society impact the benefits and challenges of technology?

    Technology is a big part of life. In India, for example, street vendors and rickshawallahs use cellphones, the internet and Aadhar cards – 12-digit identification numbers given to every citizen of India based on their biometric and demographic data. However, charismatic gurus and superstition still thrive in India. In the new book "Reluctant Technophiles: India’s Complicated Relationship with Technology,” University of Illinois Urbana-Champaign electrical and computer engineering professor Rakesh Kumar provides an account of India’s often contradictory relationship with technology. News Bureau physical sciences editor Lois Yoksoulian spoke with Kumar about these contradictions, and how India’s situation is both unique and universal.

  • Portrait of the researchers observing a laboratory experiment

    Bubbling up: Previously hidden environmental impact of bursting bubbles exposed in new study

    Bubbles are common in nature and can form when ocean waves break and when raindrops impact surfaces. When bubbles burst, they send tiny jets of water and other materials into the air. A new study from the University of Illinois Urbana-Champaign examines how the interplay between bubble surfaces and water that contains organic materials contributes to the transport of aerosolized organic materials – some of which are linked to the spread of disease or contamination – into the atmosphere.

  • Photo of Atul Jain

    Six Illinois scientists rank among world's most influential

    Six faculty members at the University of Illinois Urbana-Champaign have been named to the 2021 Clarivate Analytics Highly Cited Researchers list.

  • A portrait of researcher Xiao Su

    Sustainable electrochemical process could revolutionize lithium-ion battery recycling

    Spent lithium-ion batteries contain valuable metals that are difficult to separate from each other for recycling purposes. Used batteries present a sustainable source of these metals, especially cobalt and nickel, but the current methods used for their separation have environmental and efficiency drawbacks. A new technology uses electrochemistry to efficiently separate and recover the metals, making spent batteries a highly sustainable secondary source of cobalt and nickel – the reserves of which are currently dwindling.

  • Portrait of the researchers that participated in the study

    New analytical technique helps researchers spot subtle differences in subcellular chemistry

    Researchers at the University of Illinois Urbana-Champaign can now rapidly isolate and chemically characterize individual organelles within cells. The new technique tests the limits of analytical chemistry and rapidly reveals the chemical composition of organelles that control biological growth, development and disease. 

  • An artist's rendering of viruses passing through a nanopore sensor

    DNA sensor quickly determines whether viruses are infectious

    A new sensor can detect not only whether a virus is present, but whether it’s infectious – an important distinction for containing viral spread. Researchers demonstrated the sensor, which integrates specially designed DNA fragments and nanopore sensing, with two key viruses that cause infections worldwide: the human adenovirus and the virus that causes COVID-19.  

  • A portrait of Illinois researchers involved in the study

    Tiny porous crystals change the shape of water to speed up chemical reactions

    Chemical engineers at the University of Illinois Urbana-Champaign now understand how water molecules assemble and change shape in some settings, revealing a new strategy to speed up chemical reactions critical to industry and environmental sustainability. The new approach is poised to play a role in helping chemical manufacturers move away from harmful solvent catalysts in favor of water.

  • Researchers

    Ultrathin self-healing polymers create new, sustainable water-resistant coatings

    Researchers have found a way to make ultrathin surface coatings robust enough to survive scratches and dings. The new material, developed by merging thin-film and self-healing technologies, has an almost endless list of potential applications, including self-cleaning, anti-icing, anti-fogging, anti-bacterial, anti-fouling and enhanced heat exchange coatings, researchers said.  

  • Photo of the researcher.

    New tool maps future climate costs for airlines, passengers

    Researchers built a mathematical model to calculate how much it will cost airlines to cope with rising temperatures in a changing climate.

  • A large land snail with eyestalks and a slimy foot

    Unified theory explains how materials transform from solids to liquids

    Years of meticulous experimentation have paid off for researchers aiming to unify the physics that defines materials that transition from solids to liquids. The researchers said a new theoretical model could help develop new synthetic materials and inform and predict civil engineering and environmental challenges such as mudslides, dam breaks and avalanches.

  • Photo of lead researcher, Xiao Su, in his laboratory.

    Less salt, more protein: Researchers address dairy processing's environmental, sustainability issues

    Researchers say the high salt content of whey – the watery part of milk left behind after cheesemaking – helps make it one of the most polluting byproducts in the food processing industry. In a new study, chemists demonstrate the first electrochemical redox desalination process used in the food industry, removing and recycling up to 99% of excess salt from whey while simultaneously refining more than 98% of whey’s valuable protein content.

  • Silhouette of farm silos at sunset

    Nutrient-rich human waste poised to sustain agriculture, improve economies

    The future connection between human waste, sanitation technology and sustainable agriculture is becoming more evident. According to research directed by University of Illinois Urbana-Champaign civil and environmental engineering professor Jeremy Guest, countries could be moving closer to using human waste as fertilizer, closing the loop to more circular, sustainable economies.

  • An artist’s impression of an accretion disk rotating around an unseen supermassive black hole.

    Black hole size revealed by its eating pattern

    The feeding patterns of black holes offer insight into their size, researchers report. A new study revealed that the flickering in the brightness observed in actively feeding supermassive black holes is related to their mass.

  • Sheldon Jacobson and Janet Jokela stand outdoors.

    2020 deadlier than previous five years, even with COVID-19 numbers removed, study finds

    An upswing in death rates from non-COVID-19 causes in 2020 hit hard for men ages 15-64, according to a new study by computer science professor Sheldon H. Jacobson and internal medicine professor Janet Jokela.

  • Photo of researchers Yun Liu and Jeffrey Moore

    Chemical reactions break free from energy barriers using flyby trajectories

    A new study shows that it is possible to use mechanical force to deliberately alter chemical reactions and increase chemical selectivity – a grand challenge of the field.  

  • Illustration of a carbon reduction reaction at the surface of a silver nanoparticle in the presence of visible light.

    Light-harvesting nanoparticle catalysts show promise in quest for renewable carbon-based fuels

    Researchers demonstrated that small amounts of useful molecules such as hydrocarbons form when CO2 and water react in the presence of light and a silver nanoparticle catalyst, possibly paving the way for industrial-scale production of renewable carbon-based fuels. 

  • Bioengineering professor Jennifer Amos displays the children's book "Jenny Saves a Convertible," published through a project with Illinois Engineering Ambassadors.

    Children's book by U of I students teaches third graders about automotive engineering

    A new book written and illustrated by two recent alumnae of the University of Illinois Urbana-Champaign introduces third graders to the nuts and bolts of automotive mechanics and engineering.

  • Soybean field and sunshine

    Study: Fluorescent light clarifies relationship between heat stress and crop yield

    Scientists report that it is possible to detect and predict heat damage in crops by measuring the fluorescent light signature of plant leaves experiencing heat stress. If collected via satellite, this fluorescent signal could support widespread monitoring of growth and crop yield under the heat stress of climate change, the researchers say.

  • Portrait of researches in laboratory.

    Solid-state batteries line up for better performance

    Solid-state batteries pack a lot of energy into a small space, but their electrodes are not good at keeping in touch with their electrolytes. Liquid electrolytes reach every nook and cranny of an electrode to spark energy, but liquids take up space without storing energy and fail over time. Researchers are now putting solid electrolytes in touch with electrodes made of strategically arranged materials – at the atomic level – and the results are helping drive better solid-state battery technologies.

  • photo of engineering professor Katy Huff

    U of I engineering professor appointed to US Department of Energy leadership role

    Kathryn D. Huff, a professor of nuclear, plasma and radiological engineering in the Grainger College of Engineering, was sworn in today to a position in the U.S. Department of Energy, Office of Nuclear Energy.

  • Group portrait of researchers Wawrzyniec Dobrucki, Zhongmin Zhu, Viktor Gruev, Zuodong Liang, Steven Blair and Shuming Nie.

    Mantis shrimp-inspired camera provides second opinion during cancer surgery

    Some of the world’s greatest innovations, such as Leonardo da Vinci’s flying machine, owe their strength and elegance to natural design. Researchers from the University of Illinois Urbana-Champaign have returned their gaze to the natural world to develop a camera inspired by the mantis shrimp that can visualize cancer cells during surgery.

  • Portrait of researchers.

    Previously unrecognized tsunami hazard identified in coastal cities

    A new study found overlooked tsunami hazards related to undersea, near-shore strike-slip faults, especially for coastal cities adjacent to faults that traverse inland bays. Several areas around the world may fall into this category, including the San Francisco Bay area, Izmit Bay in Turkey and the Gulf of Al-Aqaba in Egypt.

  • A portrait of researcher Christopher Tessum

    People of color hardest hit by air pollution from nearly all sources

    Various studies show that people of color are disproportionately exposed to air pollution in the United States. However, it was unclear whether this unequal exposure is due mainly to a few types of emission sources or whether the causes are more systemic. A new study that models peoples’ exposure to air pollution – resolved by race-ethnicity and income level – shows that exposure disparities among people of color and white people are driven by nearly all, rather than only a few, emission source types.

  • Photos of new NAS members

    Three Illinois faculty members elected to National Academy of Sciences

    Three University of Illinois Urbana-Champaign professors have been elected to the National Academy of Sciences, one of the highest professional honors a scientist can receive. Physics professor Nadya Mason and chemistry professors Ralph Nuzzo and Wilfred van der Donk are among 120 newly elected U.S. members – 59 of whom are women, the most elected in a single year – and 30 international members in recognition of their distinguished and continuing achievements in original research.

  • Spliced portrait showing all four winners.

    Four Illinois faculty members elected to American Academy of Arts and Sciences

    University of Illinois Urbana-Champaign College of Education Dean James Anderson, physics professor Nadya Mason, chemistry professor Nancy Makri and materials science and engineering professor Kenneth Schweizer have been elected to the American Academy of Arts and Sciences, one of the oldest honor societies in the nation.

  • Portrait of professor Gary Parker at the Sangamon River in Mahomet, Illinois.

    Channel migration plays leading role in river network evolution, study finds

    Satellite views of Earth’s major river systems reveal their familiar treelike drainage patterns. The pattern – called dendritic – and its prevalence suggests that it may be the optimal state in which rivers exist. Challenged by the knowledge that numerical models of drainage evolution have yet to substantiate this assumption, researchers are now thinking of rivers as existing in a persistent reorganizational state instead of being in a set, stable configuration. Understanding this has implications for land use and infrastructure management decisions.

  • Portrait of postdoctoral researcher Pengcheng Sun

    New 3D microbatteries stand up to industry standard thin-film counterparts

    The thin-film lithium-ion batteries used in microdevices such as portable and medical electronics may supply a good amount of power relative to their mass, but do not provide enough power for many devices due to their limited size. Researchers have introduced a fabrication process that builds microbatteries with thick, 3D electrodes using lithography and electrodeposition – and seals each unit in a gel electrolyte-filled package. The new prototype shows the highest peak power density of any reported microbatteries, the researchers said.

  • An artist’s conception shows the brilliant light of two quasars residing in the cores of galaxies in the chaotic process of merging. The gravitational tug-of-war between the two galaxies stretches them, forming long tidal tails and igniting a firestorm of star birth.

    Hubble Space Telescope spots double quasars in merging galaxies

    NASA’s Hubble Space Telescope is seeing double, uncovering two very close pairs of quasars that existed 10 billion years ago. The objects are close together because astronomers believe they resided in a pair of merging galaxies.

  • Group portrait of researchers Manuel Hernandez, Rachneet Kaur and Richard Sowers.

    Machine learning helps spot gait problems in individuals with multiple sclerosis

    Monitoring the progression of multiple sclerosis-related gait issues can be challenging in adults over 50 years old, requiring a clinician to differentiate between problems related to MS and other age-related issues. To address this problem, researchers are integrating gait data and machine learning to advance the tools used to monitor and predict disease progression.

  • Group photo of Beckman Institute director Jeffrey Moore, left, postdoctoral researcher Hai Qian and materials science and engineering head Nancy Sottos

    Fast-acting, color-changing molecular probe senses when a material is about to fail

    Materials that contain special polymer molecules may someday be able to warn us when they are about to fail, researchers said. Engineers at the University of Illinois Urbana-Champaign have improved their previously developed force-sensitive molecules, called mechanophores, to produce reversible, rapid and vibrant color change when a force is applied.

  • Professor Brian Cunningham

    Microscope that detects individual viruses could power rapid diagnostics

    A fast, low-cost technique to see and count viruses or proteins from a sample in real time, without any chemicals or dyes, could underpin a new class of devices for rapid diagnostics and viral load monitoring, including HIV and the virus that causes COVID-19.

  • A portrait of University of Illinois, Urbana-Champaign researchers Martin Gruebele, right, and graduate student Huy Nguyen.

    Cheap, nontoxic carbon nanodots poised to be quantum dots of the future

    Tiny fluorescent semiconductor dots, called quantum dots, are useful in a variety of health and electronic technologies but are made of toxic, expensive metals. Nontoxic and economic carbon-based dots are easy to produce, but they emit less light. A new study that uses ultrafast nanometric imaging found good and bad emitters among populations of carbon dots. This observation suggests that by selecting only super-emitters, carbon nanodots can be purified to replace toxic metal quantum dots in many applications, the researchers said.

  • Dried ground with mudcracks and grass growing around edges.

    Short-term climate modeling forecasts drought for Southeast US

    Many climate models focus on scenarios decades into the future, making their outcomes seem unreliable and problematic for decision-making in the immediate future. In a proactive move, researchers are using short-term forecasts to stress the urgency of drought risk in the United States and inform policymakers’ actions now.

  • Xiaohui Zhang, left, Andrew Smith, Kelly Swanson, Erik Nelson, Mark Anastasio and Junlong Geng are part of a team working to clarify the relationship between obesity and inflammation while on the hunt for obesity-fighting drug therapies.

    3D microscopy clarifies understanding of body's immune response to obesity

    Researchers who focus on fat know that some adipose tissue is more prone to inflammation-related comorbidities than others, but the reasons why are not well understood. Thanks to a new analytical technique, scientists are getting a clearer view of the microenvironments found within adipose tissue associated with obesity. This advance may illuminate why some adipose tissues are more prone to inflammation – leading to diseases like type 2 diabetes, cancer and cardiovascular disorders – and help direct future drug therapies to treat obesity.

  • Illinois researchers are part of multi-institutional team that found that solvents spontaneously react with metal nanoparticles to form reactive complexes that can improve catalyst performance and simultaneously reduce the environmental impact of chemical manufacturing.

    Mysterious organic scum boosts chemical reaction efficiency, may reduce chemical waste

    Chemical manufacturers frequently use toxic solvents such as alcohols and benzene to make products like pharmaceuticals and plastics. Researchers are examining a previously overlooked and misunderstood phenomenon in the chemical reactions used to make these products. This discovery brings a new fundamental understanding of catalytic chemistry and a steppingstone to practical applications that could someday make chemical manufacturing less wasteful and more environmentally sound.

  • Nick Holonyak Jr. smiles at a reception for the 2015 Draper Prize.

    Nick Holonyak Jr., pioneer of LED lighting, awarded Queen Elizabeth Prize

    Nick Holonyak Jr., a renowned innovator of illumination, has been awarded the 2021 Queen Elizabeth Prize for Engineering “for the creation and development of LED lighting, which forms the basis of all solid-state lighting technology.” Holonyak (pronounced huh-LON-yak) is credited with the development of the first practical visible-spectrum LED, now commonly used in light bulbs, device displays and lasers worldwide.

  • Illinois researchers Aimy Wissa, Marianne Alleyne and Ophelia Bolmin studied the motion of a click beetle’s jump and present the first analytical framework to uncover the physics behind ultrafast motion by small animals.

    Latch, load and release: Elastic motion makes click beetles click, study finds

    Click beetles can propel themselves more than 20 body lengths into the air, and they do so without using their legs. While the jump’s motion has been studied in depth, the physical mechanisms that enable the beetles’ signature clicking maneuver have not. A new study examines the forces behind this super-fast energy release and provides guidelines for studying extreme motion, energy storage and energy release in other small animals like trap-jaw ants and mantis shrimps.

  • Portrait of researchers standing outside a campus building.

    New process more efficiently recycles excess CO2 into fuel, study finds

    For years, researchers have worked to repurpose excess atmospheric carbon dioxide into new chemicals, fuels and other products traditionally made from hydrocarbons harvested from fossil fuels. The recent push to mitigate the climactic effects of greenhouse gases in the atmosphere has chemists on their toes to find the most efficient means possible. A new study introduces an electrochemical reaction, enhanced by polymers, to improve CO2-to-ethylene conversion efficiency over previous attempts.  

  • A new climate model that makes projections specific to urban areas predicts that by the end of this century, average warming across global cities will increase by 1.9 degrees Celsius to 4.4 C, depending on the rate of emissions.

    New data-driven global climate model provides projections for urban environments

    Cities only occupy about 3% of the Earth’s total land surface, but they bear the burden of the human-perceived effects of global climate change, researchers said. Global climate models are set up for big-picture analysis, leaving urban areas poorly represented. In a new study, researchers take a closer look at how climate change affects cities by using data-driven statistical models combined with traditional process-driven physical climate models.

  • Masks are an important tool for fighting COVID-19 but wearing one can make it difficult for others to hear us speak. Using a unique laboratory setup, Illinois researcher Ryan Corey tested how different types of masks affect the acoustics of speech.

    Disposable surgical masks best for being heard clearly when speaking, study finds

    Researcher Ryan Corey recently heard from a friend who teaches at a school where some of the students have hearing loss. The friend wanted to know if he had any ideas to help her communicate with these students while wearing a mask to slow the spread of COVID-19. Corey, who also has hearing loss, did not know what to tell her. So, he headed to the Illinois Augmented Listening Laboratory to look for solutions.

  • Illinois researchers developed a spherical lens that allows light coming into the lens from any direction to be focused into a very small spot on the surface of the lens exactly opposite the input direction. This is the first time such a lens has been made for visible light.

    Researchers confront optics and data-transfer challenges with 3D-printed lens

    Researchers have developed new 3D-printed microlenses with adjustable refractive indices – a property that gives them highly specialized light-focusing abilities. This advancement is poised to improve imaging, computing and communications by significantly increasing the data-routing capability of computer chips and other optical systems, the researchers said.

  • Carl Bernacchi is one of six faculty members from the University of Illinois Urbana-Champaign named as AAAS Fellows this year.

    Six Illinois faculty members elected AAAS Fellows

    CHAMPAIGN, Ill. — Six professors at the University of Illinois Urbana-Champaign have been elected 2020 Fellows of the American Association for the Advancement of Science.

    Evolution, ecology and behavior professor Alison Bell; plant biology professor Carl Bernacchi; bioengineering professor Rohit Bhargava; materials science and engineering professor Paul Braun; chemistry professor Prashant Jain; and materials science and engineering professor Nancy Sottos are among the 489 scientists to be awarded the distinction of AAAS Fellow this year.

  • Individual photos of each of the three researchers described in this release.

    Three Illinois scientists rank among world's most influential

    Three faculty members at the University of Illinois at Urbana-Champaign have been named to the 2020 Clarivate Analytics Highly Cited Researchers list. The list recognizes leading researchers in the sciences and social sciences from around the world. It is based on an analysis of journal article publication and citation data, an objective measure of a researcher’s influence, from 2009-2019.

    The highly cited Illinois researchers this year are: materials science and engineering professor Axel Hoffmann, crop sciences and plant biology professor Stephen Long, and plant biology professor Donald Ort.

  • Professor Richard Sowers, left, and recent graduate Daniel Carmody have developed a new computer algorithm that will help urban planners understand and measure traffic congestion and suggest alternative routes.

    Driver behavior influences traffic patterns as much as roadway design, study reports

    Urban planners may soon have a new way to measure traffic congestion. By capturing the different routes by which vehicles can travel between locations, researchers have developed a new computer algorithm that helps quantify regions of congestion in urban areas and suggests ways around them