DR. HWAN G. JEONG, M.D.

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This study explored a new eye-tracking technology that uses very thin sensors on the skin to track eye movements without bulky glasses or high power needs. The researchers developed a system that quickly and efficiently reads eye signals to determine where a person is looking, achieving this with minimal energy use and improved speed. This innovation is important because it allows for more discreet and user-friendly devices, enhancing applications in virtual reality and health monitoring. Who this helps: This helps patients and users of assistive technologies who need unobtrusive eye-tracking solutions.

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This study looked at a new type of battery called a hybrid all-solid-state battery (ASSB), which combines a thin film electrolyte with bulk electrodes to improve performance. Researchers created a battery with a thin electrolyte layer that allowed it to store an initial charge of about 102.96 mAh per gram and discharge 52.59 mAh per gram, while maintaining stable performance over multiple charge cycles. This is important because these batteries can be safer and more efficient energy storage options for the future. Who this helps: This benefits manufacturers and consumers looking for safer, more efficient battery technologies.

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This study examined how certain cell types can move together in organized groups, even when they are different from one another, by studying a process called partial epithelial-mesenchymal transition (EMT). Researchers found that cells treated with a moderate amount of a signaling protein, TGF, moved quickly and in a coordinated manner, maintaining direction after bumping into each other. This "collision guidance" allows mixed types of cells to work together, which is important for understanding how tissues form and heal or how they change during cancer progression. Who this helps: This benefits patients undergoing tissue repair or treatment for cancer.

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This study focused on improving fire safety in postpartum care centers, which are crucial for mothers and newborns. Researchers created a computer model that predicts safe escape routes during fires, using simulations to analyze how different fire conditions affect the time available to evacuate. Their tests showed that the model accurately identifies safe exits, which is important for protecting vulnerable patients during emergencies. Who this helps: This benefits mothers and newborns in postpartum care centers.

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This study looked at how changing the shape of titanium oxide (TiO2) supports can improve the performance of platinum catalysts in breaking down methylcyclohexane (MCH), which is important for hydrogen storage. The researchers found that catalysts using TiO2 in the form of nanosheets had significantly better results, showing about 50% higher activity and greater stability compared to other shapes. This is important because it could lead to more efficient and longer-lasting systems for storing and using hydrogen energy. Who this helps: This benefits researchers and companies developing more effective hydrogen storage technologies.

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This study focused on training medical students to better recognize and address the social factors that affect patients' health. After a 90-minute interactive workshop, students showed significant improvements in their knowledge and confidence in screening for these social needs, with a more than 85% positive response to the training. One year later, they continued to screen more frequently for social determinants of health, indicating lasting benefits from the training. Who this helps: This helps medical students and ultimately benefits their patients by improving the care they receive.

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This study introduces a new tool called MASQ that allows for precise measurement of alternative splicing in genes, which is important for understanding diseases and personalizing medicine. Using endometrial cancer samples, the researchers found that a specific splicing event (inclusion of exon 27) occurred in 61.2% of cancer tissues compared to only 12.7% in normal tissues, indicating a significant difference that can help in cancer diagnosis and treatment. The accuracy and sensitivity of this new method make it a valuable resource for discovering biomarkers and developing better diagnostics. Who this helps: This helps patients with cancer and doctors looking for better ways to diagnose and treat them.

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This study looked at the cases of myocarditis, a potentially serious heart condition, caused by the medication clozapine in South Korea. Out of 36,286 patients using clozapine for schizophrenia, only 29 (0.08%) were diagnosed with myocarditis, which is lower than rates in other countries. These findings matter because they help doctors understand the risks of clozapine treatment better and may influence prescribing practices. Who this helps: This helps doctors and patients with treatment-resistant schizophrenia.

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This study looked at how replacing parts of cardiac devices, like implantable pulse generators (IPGs), affects safety during MRI scans. Researchers found that changing to a different IPG did not significantly increase heat risk to the heart lead during MRIs, even when the IPG had a slightly different electrical impedance. Specifically, the difference in heating responses was minimal, with less than 2.5 ohms of change in impedance not impacting safety. Who this helps: This research benefits patients with cardiac devices who need MRI scans, ensuring they can safely receive replacement parts.

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This study looked at how well people of different ages could understand and remember speech with and without a Spanish accent while sitting and walking. It found that older adults remembered accented speech better when sitting than walking and tended to walk more slowly when listening to accented speech. Specifically, middle-aged and older adults walked slower and showed more body sway when listening to accents, indicating that it was more challenging for them compared to younger adults. Who this helps: This research benefits older adults and their caregivers by highlighting the challenges they face when listening to accents while walking.

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This study looked at how happiness changes in early adolescents in South Korea over four years and what factors influence these changes. Researchers found that happiness dropped sharply, especially between ages 11 and 12, with only 65% of participants saying they were happy at age 12 compared to 82% at age 11. Factors like higher self-esteem, good friendships, and a creative school environment helped slow this decline, suggesting that it's important to support young teens during this critical time. Who this helps: This research benefits parents, teachers, and mental health professionals working with adolescents.

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This study looked at the role of a protein called Mcu in bone formation, especially as people age. Researchers found that when Mcu was removed in mice, the animals had weaker bones and changes in how their bone cells developed. Specifically, bone density decreased, and there was an increase in fat cell markers, which suggests that Mcu helps regulate healthy bone growth. Who this helps: This benefits older patients and those at risk of osteoporosis.

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This study looked at the safety of a probiotic called SY23 to see if it could help manage inflammation. The researchers found that SY23 didn't harm human cells or show any signs of dangerous activity, and it produced a small amount of a substance called D-lactate. These results indicate that SY23 is a safe option as a probiotic. Who this helps: This benefits patients seeking new treatments for inflammation.

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This study investigated the potential of a plant called Chamaecrista nomame (CN) and one of its compounds, luteolin, as new treatments for allergic asthma. The researchers found that CN extract significantly reduced airway inflammation and mucus production in mice, showing results similar to traditional corticosteroid medications. Specifically, luteolin was able to lower the release of inflammatory signals, suggesting it could help tackle asthma symptoms without the negative effects of long-term steroid use. Who this helps: This benefits asthma patients looking for safer treatment options.

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This study looked at changes in a brain area called the piriform cortex, which is important for processing smells and emotions, in people who had mild COVID-19. Researchers found that, after infection, the activity in this area increased early on but then decreased and returned to normal over six months. Higher activity in the piriform cortex was linked to slower thinking and processing speeds, showing that even mild COVID-19 can affect brain function temporarily. Who this helps: This helps patients recovering from COVID-19 who may experience cognitive difficulties.

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This study looked at adding a type of radiation therapy called stereotactic body radiation therapy (SBRT) to a chemotherapy regimen (mFOLFIRINOX) for patients with advanced pancreatic cancer that cannot be surgically removed. Out of the 37 patients enrolled, those who received both treatments had a 1-year progression-free survival (PFS) rate of 66.7%, compared to 45.1% for those who only received chemotherapy. While the addition of SBRT did not significantly increase the overall survival time, it did improve local tumor control, which could be beneficial for patients. Who this helps: This research could benefit patients with locally advanced pancreatic cancer by offering new treatment options.

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This study looked at how a process called autophagy helps CAR-T cells, which are modified immune cells used in cancer treatment, stay effective in tough environments like solid tumors. The researchers found that CAR-T cells with higher levels of a protein called ATG5 were better at maintaining their ability to kill cancer cells and produce important signaling molecules even when exposed to stress from tumors. Specifically, these enhanced CAR-T cells showed better tumor control and improved survival rates, indicating that boosting autophagy through ATG5 can help these cancer-fighting cells last longer in challenging conditions. Who this helps: This helps patients undergoing CAR-T cell therapy for solid tumors.

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This study looked at how to choose the best virtual reality exercises, called virtual hand illusions (VHI), to help stroke patients improve their motor skills by enhancing their sense of ownership over their movements. The researchers tested twelve stroke patients and found that when patients experienced a stronger sense of ownership during these illusions, they also showed greater brain activity linked to motor imagery, which is crucial for rehabilitation. The tailored approach using objective indicators performed better than standard methods, highlighting the importance of personalizing rehabilitation strategies for better outcomes. Who this helps: This helps stroke patients and their rehabilitation teams.

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This study looked at how to better diagnose mild traumatic brain injury (mTBI), which is common but often hard to identify. Researchers found that while traditional imaging like CT scans may not show clear problems for many mTBI patients, newer imaging techniques and patient feedback measures can provide a more complete picture of injuries and symptoms. Using a combination of these methods can lead to better understanding and treatment options for individuals dealing with mTBI. Who this helps: Patients with mild traumatic brain injury and their healthcare providers.

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This study looked at whether a shorter course of antibiotics (less than 35 days) after surgery for brain abscesses is safe and effective, using a 4-week MRI scan to help decide when to stop treatment. Out of 60 patients, those who received the shorter antibiotic treatment had fewer severe side effects (about 22 out of 60 faced serious issues) and better recovery outcomes after six months compared to those who were on longer antibiotic regimens. This is important because reducing antibiotic use can lower risks while still effectively treating infections. Who this helps: Patients recovering from brain abscess surgery.

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This study developed a new method for creating virtual images that help assess HER2 levels in breast cancer, which is important for treatment decisions. Using a novel framework, the researchers tested their approach on nearly 5,000 images and found that it improved accuracy significantly; combining the new virtual images with standard tissue images increased accuracy from 83% to nearly 98%. This is important because it makes breast cancer diagnosis faster and more reliable, potentially leading to better treatment outcomes. Who this helps: This benefits doctors and pathologists who diagnose breast cancer and make treatment decisions.

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This study looked at how placing small amounts of tungsten carbide on ultra-thin graphene sheets affects the way strain is spread out in those sheets. Researchers found that the tungsten carbide makes the strain look more balanced around it, changing from uneven to a more symmetrical pattern. This is important because it shows a new way to manipulate strain in graphene without complex techniques, which can help in developing better electronic and optical devices. Who this helps: This benefits engineers and researchers working with advanced materials and electronics.

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This study looked at water quality in Gwangyang Bay, Korea, across different weather conditions—right after it rained, some time after rain, and during dry periods. Researchers found that the levels of nutrients like nitrogen and phosphorus in the water varied significantly: for example, the Seomjin River alone contributed 67-91% of the total nutrient load. These changes matter because they help understand how water quality is affected by rainfall and can guide future pollution management efforts in the bay. Who this helps: This helps environmental scientists and policymakers working on water quality management.

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This study looked at how tiny particles formed within a special type of material called titanate perovskite, changing its electronic and magnetic properties. Researchers found that when the material was treated to create these particles, it switched from being an insulator to a metal, with its electrical resistance dropping by over 1,000 times. This change also made the material become magnetic at room temperature, which is important for creating advanced electronic devices. Who this helps: This benefits researchers and engineers working on new electronics and magnetic devices.

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This study investigated how a specific protein called TRP53 helps protect brain cells from damage caused by psychological stress. Researchers found that when they removed TRP53 from certain brain cells, those cells became more vulnerable to stress, leading to greater memory problems and mood issues. They also discovered that using a small molecule called RITA could help stabilize TRP53 and improve brain cell survival, potentially preventing cognitive decline associated with stress. Who this helps: This research benefits patients experiencing cognitive issues related to stress and may inform new treatment options for depression.

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This study looked at how stress from their jobs affects the brain performance of firefighters. Researchers found that firefighters had increased activity in a brain network related to movement, which was linked to poorer performance in tasks requiring coordination and reaction times. Specifically, firefighters with longer job duties and higher alcohol use showed significant increases in this brain network's activity, which may lead to worse everyday functioning. Who this helps: Patients, specifically firefighters dealing with high job-related stress.

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This study looked at the brain thickness of young girls who engage in non-suicidal self-injury (NSSI) compared to healthy girls. Researchers found that those with NSSI had thinner areas in a part of the brain called the right cingulate cortex, with a significant difference (p=0.001) from the healthy group. Understanding these differences is important because it may help in developing better treatments for young people who self-injure. Who this helps: This helps patients who struggle with self-injury and their healthcare providers.

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This study looked at a specific type of probiotic bacteria, Pediococcus pentosaceus TAP041, to see how it can protect brain cells from stress caused by inflammation and harmful compounds. The researchers found that the liquid from this bacteria improved the survival of brain cells under stress and reduced inflammation markers, with notable results such as a decrease in harmful cell activity (low Bax/Bcl-2 ratio) and increased expression of protective factors (BDNF and TH). These findings are important because they suggest that this probiotic could potentially help in preventing or managing neurodegenerative diseases. Who this helps: This helps patients with neurodegenerative diseases and their doctors by offering a new potential treatment option.

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This study focused on how a specific protein called YAP influences changes in stomach cells when infected with the bacteria Helicobacter pylori. Researchers found that when the bacteria's CagA protein is present, it makes YAP more active, leading to changes in the stomach lining, such as increased markers for metaplasia in 80% of tested cases. These findings are important because they show that targeting YAP might help prevent or treat stomach issues that can arise from H. pylori infection. Who this helps: This helps patients at risk for stomach diseases related to H. pylori infection.

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This study focused on creating a reliable method to analyze impurities in albumin-bound paclitaxel nanoparticles, a type of cancer treatment. Researchers found that by adjusting certain conditions, they could improve the quality of the analysis and reduce the formation of a harmful impurity by over 75%. This new method allows for faster and more accurate assessments of the drug's quality, which is crucial for patient safety. Who this helps: Patients receiving nab-paclitaxel treatments and their healthcare providers.

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This study looked at how a drug called 2BAct affects memory and inflammation in mice that model Alzheimer's disease. The researchers found that 2BAct improved the mice's ability to recognize objects, reduced inflammation, and decreased the buildup of a protein linked to Alzheimer's called tau, while not affecting another harmful protein, amyloid-beta. These results are important because they show that targeting the body's stress response can help with cognitive issues in Alzheimer's, which may lead to new treatment options. Who this helps: This helps patients with Alzheimer's and their caregivers.

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This research focused on creating a special type of mouse that allows scientists to watch live Egr1 mRNA molecules, which are important for understanding how genes are regulated. They discovered that this new mouse model doesn't change how stable or active the Egr1 mRNA is and enabled them to observe how these mRNA molecules move inside cells. This is significant because it provides a powerful tool for studying gene expression in real-time, which can lead to better insights in biology and medicine. Who this helps: This helps researchers and scientists studying gene regulation and disease mechanisms.

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Researchers studied the effects of a probiotic called Pediococcus pentosaceus TAP041 on inflammation and fat cell development linked to advanced glycation end products (AGEs), which contribute to obesity-related health issues. They found that this probiotic significantly reduced inflammatory responses in immune cells and suppressed fat cell formation, leading to less fat accumulation and changes in key genes involved in fat development. This matters because it shows that Pediococcus pentosaceus TAP041 could be used to help reduce inflammation and fat accumulation connected to metabolic disorders. Who this helps: Patients dealing with obesity-related conditions.

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This study looked at how different ways of interacting with a digital attention test affect children's performance and the accuracy of measuring their attention. Researchers found that kids performed better on a color-based task compared to a text-based one, achieving an accuracy of 91% versus 86% and responding faster (1,183 ms vs. 1,269 ms). This matters because using the right interaction format can lead to more accurate assessments of attention issues in children. Who this helps: This helps children being tested for attention problems and the doctors assessing them.

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This study looked at how to improve the movement of unmanned ground vehicles (UGVs) in dangerous environments like battlefields. The researchers developed a new path-planning method that balances safety and efficiency, allowing UGVs to avoid risks while still completing their missions effectively. Their approach showed that UGVs could reduce their risk exposure by doing better in tricky situations, and it can easily adapt to different levels of caution with a simple adjustment. Who this helps: This benefits military operators using unmanned vehicles in combat situations.

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This study focused on improving sodium-ion batteries by addressing a problem with sodium-rich Prussian Blue (PB) cathodes, which can degrade due to moisture. Researchers found that using a new method of removing water from these cathodes, instead of the traditional heat treatment, prevents damage and improves performance, leading to better durability and efficiency. This matters because it makes sodium-ion batteries, which are cheaper and more sustainable than lithium-ion batteries, more reliable for practical use. Who this helps: This helps battery manufacturers and consumers looking for better battery technology.

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This paper examines improvements in brain-computer interfaces (BCIs) that help people control devices or communicate through brain signals. Researchers focused on better electrode design and advanced signal processing methods, which led to less interference from movement and improved long-term connections to brain tissue. Key improvements include a 50% increase in channel counts with lower power usage and faster signal processing, making BCIs more reliable and usable in everyday life. Who this helps: This benefits patients with disabilities, especially those who rely on BCIs for communication and movement.

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This study looked at the effectiveness of a herbal medicine called modified Gwakjeongtang (mGJT) for people suffering from diarrhea-predominant irritable bowel syndrome (IBS-D). The results showed that 55.2% of those taking mGJT felt better, compared to only 26.7% in the placebo group, meaning mGJT is about three times more likely to help relieve symptoms. Importantly, there were no serious side effects reported from the treatment, which is a promising sign for its safety. Who this helps: This benefits patients with diarrhea-predominant irritable bowel syndrome.

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This study focused on a new tool called GraphTME, which uses advanced imaging techniques to predict how well certain cancer treatments, specifically immune checkpoint inhibitors, will work for patients. Researchers found that GraphTME was able to accurately predict patient responses to treatment with a success rate of over 83%. This is important because it could enable doctors to identify which patients are more likely to benefit from immunotherapy, leading to better treatment decisions. Who this helps: This helps patients undergoing immunotherapy for non-small cell lung cancer.

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This study assessed the KeraSkin™ model for testing skin corrosion without using animals, following specific international guidelines. Researchers found that KeraSkin™ consistently performed well, with a 100% accuracy rate in predicting skin corrosion for certain chemicals, and overall accuracy reaching 73.5% when optimizing for lab differences. This is important because it offers a reliable alternative for evaluating the safety of chemicals, potentially leading to more ethical testing practices. Who this helps: This benefits researchers, regulatory agencies, and companies looking for safer testing methods.

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This study examined how changing the structure of perovskite oxides can improve their effectiveness as catalysts for energy conversion. Researchers found that by adding smaller ions to the material, they could create distortions in its structure that made it easier for metals like nickel to escape and form particles that enhance catalytic performance. Specifically, these modified materials showed higher metal particle densities and better efficiency in processes like hydrogen oxidation, which is important for energy production. Who this helps: This benefits researchers and industries working on energy conversion technologies.

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This study looked at how rare earth elements (REEs) are distributed in seawater and sediments of the Yellow Sea and how these elements accumulate in tiny marine organisms called plankton. The researchers found that in the southwestern part of the sea, REE levels were significantly higher, particularly in phytoplankton that were rich in certain species like cryptophytes, which had levels about seven times higher than another common type. Understanding REE distribution is essential because these elements can impact marine ecosystems and ultimately human health, as they enter the food chain. Who this helps: This helps researchers, environmentalists, and policymakers focused on marine health and pollution.

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This study looked at the harmful effects of three types of liquid crystal monomers (LCMs) on freshwater water fleas, specifically how they affect reproduction, stress levels, and behavior. The researchers found that exposure to these chemicals significantly reduced reproduction and changed swimming behavior. For example, the time to first brood was delayed for some groups, and at certain concentrations, the stress responses in the fleas increased. Who this helps: This research helps environmental scientists and policymakers understand the risks of LCMs in aquatic ecosystems.

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This study looked at individuals at high risk for two mental health conditions: psychosis and bipolar disorder. Researchers found that 67.1% of those at high risk for psychosis also showed signs of being at high risk for bipolar disorder, and 59.2% of those at high risk for bipolar disorder also showed signs of psychosis risk. These overlapping symptoms suggest that understanding and diagnosing these conditions early is more complex than previously thought, which could lead to better treatment strategies. Who this helps: This helps patients and mental health professionals by improving early diagnosis and treatment approaches.

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This study examined how long the immunity from the MMR vaccine lasts in South Korea, where measles and rubella have been eliminated. Researchers found that immunity lasts about 19 years for measles, nearly 10 years for mumps, and over 31 years for rubella. These findings highlight that, even with high vaccination rates, some people may still be at risk of infection as their immunity declines over time. Who this helps: This information is important for public health officials and doctors to ensure ongoing protection and vaccination strategies for the population.

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This study looked at how to accurately assess water flow in areas of North Korea where no water flow measurements are available. Researchers found that using satellite data to track water loss helps model streamflow effectively, even in uncertain conditions. They discovered that under future climate change, water runoff could increase by about 62.8%, but planting more trees can help reduce some of these effects. Who this helps: This helps environmental scientists and policymakers working on water management and climate adaptation strategies.

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This study looked at how tiny particles, called nanoparticles, form and degrade in thin films made of specific materials under certain conditions. The researchers found that during the early stages of this process, nickel nanoparticles form in two steps, and over time, the thin film undergoes changes such as surface damage and loss of materials, which affects the stability of the nanoparticles. Understanding these changes is important for improving the design of materials used in various energy and catalytic applications. Who this helps: This helps researchers and engineers developing advanced materials for energy and catalysis.

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This study looked at how well different scanning technologies could capture the shape of the edges of dental veneers placed below the gum line, which is important for dental aesthetics. Researchers tested five scanning methods on a tooth prepared for a veneer and found that the i700 intraoral scanner performed best overall, producing the most accurate results. The optical coherence tomography (OCT) system was also effective, notably providing better accuracy than conventional intraoral scanners when the edges of the veneer were partially hidden by the gums. Who this helps: This benefits dentists and their patients needing aesthetic dental work.