Articles tagged with Biomedical Engineering
Scientists from the University of Johannesburg found that shining two lasers on adult stem cells accelerates their transformation into different types of cells. The consecutive irradiation increases proliferation and differentiation under laboratory conditions, paving the way for potential therapies to repair damaged tissues.
A team of scientists successfully created a form of artificial vision for a blind woman using a prosthesis hardwired into her brain. The Moran|Cortivis Prosthesis enabled Gómez to identify lines, shapes, and simple letters evoked by different patterns of stimulation.
Researchers at Technical University of Munich have developed a new X-ray method for respiratory diagnostics using dark-field chest imaging, allowing for early detection and treatment follow-up of respiratory ailments. The technology reduces radiation dose by a factor of fifty compared to traditional computed tomography.
A computer model developed by the University of Surrey researchers supports Bernard Williams' 40-year-old hypothesis that pressure changes cause fluid in the cavity to 'slosh', generating stress in the spinal cord tissue. The study shows that this process can lead to small cavities gradually expanding down the spinal cord.
Researchers developed a graphene-based electrode, the sutrode, to modulate spleen function and immune response in diseases like rheumatoid arthritis and sepsis. The device can control different terminal nerves, increasing precision in organ function regulation.
Researchers at UVA Health System found that fluoxetine, an antidepressant commonly known as Prozac, shows promise against age-related macular degeneration. Patients taking fluoxetine were less likely to develop dry AMD, a condition affecting nearly 200 million people worldwide.
Scientists develop injectable hydrogels to effectively prevent post-surgical adhesions, reducing complications and hospital costs. The hydrogel barriers demonstrate superior mechanical properties and effective prevention of cell adherence.
Scientists at Osaka University developed a novel system for targeted cancer radiation therapy using gold nanoparticles labeled with astatine-211. The nanoparticles are highly toxic to cancer cells while remaining localized, minimizing damage to healthy tissues.
The University of Missouri is developing an online certificate program for clinical engineers through a $2.6 million grant from the Missouri Department of Higher Education and Workforce Development. The program aims to increase the number of trained and qualified clinical engineers in the workforce, particularly in rural communities.
New research from an international team of scientists found that poor timing of influenza vaccination campaigns in Brazil led to increased premature births, lower birth-weight babies, and the need for more cesarean sections. The study suggests that earlier flu vaccination campaigns could better protect pregnant women and their babies.
Researchers developed a quick test to identify beneficial bacteria species known to benefit coral, allowing for non-invasive assessment of coral health. The method enables rapid detection of specific bacterial species in seawater and coral samples, suggesting that the bacteria may be concentrated in coral.
Researchers have proposed a wearable, flexible scanner to enable patients to move naturally during brain scans. The technology uses photoacoustic imaging to visualize the cerebral cortex without the need for sedation or confined spaces.
Researchers at the University of Arizona have created custom-fitted wearable devices that can monitor physiological parameters without needing recharging. The biosymbiotic devices use wireless power transfer and compact energy storage to enable continuous operation, providing accurate data on body temperature, strain, and muscle deform...
Purdue University researchers are exploring how cells defend themselves from chemical or mechanical attack and repair their damage with the help of biochemical and mechanical inputs and reactions. The goal is to develop new ways to address human health and longevity by using AI in biology.
The University of Houston is part of a $50 million NIH-funded consortium to increase AI diversity and address health inequities. The AIM-AHEAD program will bring together experts in AI, data science, and health equity research to develop more inclusive AI tools.
A novel hybrid acoustophoresis and dielectrophoresis technology has been developed for precise sorting of submicron bioparticles, including extracellular vesicles. The technology uses simultaneous acoustic and electric force fields to separate EVs with high purity and efficiency.
Researchers create a novel magnetoelastic generator that can convert human body motions into electricity, outperforming existing technology. The device is flexible, waterproof, and generates significant electrical currents, opening up new avenues for wearable and implantable diagnostic sensors.
Researchers at Texas Biomedical Research Institute developed 'reporter viruses' that allow for real-time tracking of SARS-CoV-2 spread in cells and animal models. This enables faster screening of potential anti-viral drugs, vaccines, and neutralizing antibodies.
A research team led by NJIT's Tara Alvarez is enrolling 100 participants with persistent symptoms of convergence insufficiency (CI) post-concussion for clinical trials. The study aims to establish guidelines for diagnosing and treating CI, a disabling eye disorder causing blurred vision, headaches, and cognitive difficulties.
A new machine vision system detects and quantifies radiation-induced defects in real-time, accelerating the development of nuclear components. The system uses a convolutional neural network to analyze electron microscope video frames, providing instant results on structural integrity.
Researchers developed a soft robotic steerable micro-catheter for precise brain surgery, enabling targeted treatment of cerebral disorders. The innovative catheter uses biomimicry to navigate and maneuver within the brain's complex anatomy.
A new DNA sensor can detect both the presence and infectivity of viruses in minutes, providing a significant improvement over current methods that only detect genetic material. This breakthrough could aid in tracking and containing viral outbreaks, as well as understanding mechanisms of infection.
A team of engineers and biotechnologists has developed a biosensor that measures antibiotic levels in breath, mirroring blood concentrations. This breakthrough enables on-site, personalized dosing to minimize resistant bacteria strains.
Caltech researchers have developed a technique to build embryo-like structures from human stem cells, opening up new possibilities for studying early human development. The technology can generate large quantities of these structures without the need for donated embryos.
Researchers at Duke University developed an antibiotic coating that can be applied to orthopedic implants before surgery, eliminating the risk of infection. The coating, made from two polymers and an antibiotic, prevents bacterial colonization and can be personalized for individual patients.
A multidisciplinary team of Lehigh University researchers will conduct experiments on thermophoresis in complex fluids for bioseparations at the International Space Station. The team hopes to understand how temperature gradients affect particles and improve virus separation techniques with potential societal impact.
A new intranasal subunit vaccine has been developed to provide durable local immunity against inhaled pathogens, addressing a significant limitation of existing vaccines. The vaccine elicits comprehensive immunity against SARS-CoV-2 within seven days and is stable for over 11 months, making it suitable for global distribution.
Scientists from Hungary, Russia, and Finland created SpheroidPicker, an AI device that selects cancer cells of specific shape and size. The system enables a more standardized approach to working with tumour samples, producing a more realistic response to treatments.
Researchers from Pusan National University have compiled a comprehensive review of ginsenosides, the main component of ginseng, which can prevent inflammation, diabetes, and cancer. The study provides insights into how to improve ginsenoside production through chemical and enzymatic treatments, as well as microbial action.
A novel method allows for the dynamic tracking and identification of tissue-specific secretory proteins in live mice, revealing distinct patterns from cell culture models. This breakthrough technique can be used to discover biomarkers and therapeutic targets with greater accuracy.
Researchers developed a handheld photoacoustic finder to detect cancer metastasis without radiation exposure. The device uses a solid-state dye laser and transparent ultrasound transducer to locate sentinel lymph nodes or melanoma.
Researchers developed a nanofluidic device called an 'exosome nanoporator' to load exogenous cargo into exosomes. The device efficiently loads clinically approved antitumor drugs into exosomes without damaging them, enabling the delivery of these drugs to cancer cells.
A new biomimetic system mimics the body's own receptors for anesthetics, providing prolonged nerve blockade with minimal toxicity. The system consists of nanostructures that bind to tetrodotoxin and slowly release it, allowing for long-lasting pain relief without systemic toxicity.
A Penn State-led international research team developed laser-induced graphene (LIG) for wearable health devices, offering superior conductivity and heat resistance. The LIG foam exhibited electrical properties, while fibrous structures showed better performance, opening possibilities for sensing devices.
A novel mortality risk prediction method helps tailor treatment decisions and transplant needs for patients based on individual symptoms. The new tool uses a random survival forest algorithm to predict individual mortality risk curves, calculate mortality at any given time, and provide a 95% confidence interval.
Researchers have developed a shape memory polymer that can store up to 17.9 J/g energy, allowing it to lift objects 5,000 times its own weight upon heating. The polymer's high energy density and low cost make it an ideal material for soft robotics, smart biomedical devices, and deployable space structures.
Researchers at Duke University have developed an open-source software platform called ASCENT that allows non-experts to create patient-specific, 3D models of nerves being electrically stimulated. This enables more accurate predictions and potentially new therapies for diseases such as diabetes and cardiovascular disease.
The Vilcek Foundation has awarded four prizes worth $250,000 to foreign-born scientists in the United States. The prizes recognize outstanding career contributions to biomedical science and innovative research. This year's recipients include Vishva M. Dixit, Markita del Carpio Landry, Hani Goodarzi, and Harris Wang.
Researchers at the University of Houston have developed an electrochemical actuator that utilizes organic semiconductor nanotubes, exhibiting high performance and tunable dynamics in liquid and gel-polymer electrolytes. The device demonstrates excellent stability, low power consumption, and fast response time.
A team of scientists at McGill University has invented a smart device for personalized skin care inspired by the male diving beetle. The device collects and monitors body fluids while sticking to the skin's surface, paving the way for more accurate diagnostics and treatment for skin diseases like acne.
During California's 2020-21 medical surge, a collaborative approach helped manage oxygen demand. The state developed a plan with backup systems to prevent pipeline freezing and shortage.
A research team has developed a cell printing technology to produce 3D cancer spheroids with varying diameters and blood vessels. This enables the reproduction of cancer metastasis properties, paving the way for personalized cancer treatments.
Silent mutations, which don't change protein sequences, hold diagnostic value in predicting cancer types and patient survival. The study analyzed over 10,000 cancer genomes and found that combining information from silent and non-silent mutations improved classification and prognostication up to 17% and 5%, respectively.
A team of researchers at Washington University in St. Louis has received a $3.12 million NIH grant to study neurovascular recovery after stroke. They aim to develop new neurovascular imaging technology using two-photon fluorescence microscopy and photoacoustic microscopy to visualize blood oxygen delivery in response to neuronal activity.
Researchers confirm FDA recommendation that patients keep consumer electronics, such as cell phones and smart watches, six inches away from implanted medical devices. Studies found that these devices can trigger magnet mode in pacemakers and defibrillators, posing a risk to patient safety.
A team of researchers is developing a smartphone-based device that can predict the size of aortic aneurysms and detect fluid overload in postpartum women. The device uses arterial waveforms, which can be easily recorded with a smartphone camera or smart scale, to provide a non-imaging solution for AA screening.
A portable optical sensor system could diagnose traumatic brain injury severity in the field from a single drop of blood, potentially reducing costs and improving treatment outcomes
Researchers at Osaka University have successfully created a 3D-bioprinted structured Wagyu beef-like meat alternative using stem cells isolated from Wagyu cows. The new technology mimics the complex texture of real Wagyu beef, allowing for customizable fat and muscle components in cultured meat.
Researchers from Carnegie Mellon University and the University of Pittsburgh conducted a study on three Rhesus monkeys, finding that their performance declined by up to 25% when offered a jackpot reward. The team also discovered a link between sensory motor processing and emotional processing in the monkeys' brains.
A team of researchers has created a bioink that can reduce toxicity and improve cell survival, enabling the fabrication of clinically relevant human-scale organs. The development paves the way for regenerative medicine applications.
A low-cost prototype breathing device designed for poorer-resourced healthcare settings has shown promising results in a pilot trial involving healthy volunteers. The device provides continuous positive airway pressure (CPAP) therapy and operates with oxygen concentrators, which are commonly used in low-pressure systems.
A new spontaneous mouse model, McH-lpr-RA1, has been developed to study Sjögren's syndrome, an autoimmune disease affecting the tear system and salivary glands. The model exhibits autoimmune inflammation in the salivary gland tissue and blood vessels, destruction of the salivary gland structure, and inhibited salivary secretomotor system.
A new hydrogel platform has been developed to alleviate inflammation in rheumatoid arthritis by selectively removing nitric oxide. The hydrogel, when injected into the affected area, collects and eliminates excessive NO, reducing inflammation and alleviating symptoms.
Scientists from Osaka University create optical imaging system that can capture over a million cells in a single image, enabling simultaneous observation of centimeter-scale dynamics with micrometer resolution. This technology, termed 'trans-scale scope,' may accelerate research in fields such as neuroscience, oncology, and immunology.
Researchers have developed a new way to deliver molecular therapies to cells using a programmable system called SEND, which harnesses natural proteins in the body to encapsulate and deliver different RNA cargoes. This could lead to safer and more targeted delivery of gene editing and other molecular therapeutics.
Researchers have developed heat-controllable CAR T cells that can target and destroy cancerous tumors, while preventing relapse. The cells are engineered to produce immunomodulators under photothermal control, increasing their effectiveness against solid tumors.
A team of engineers and physicians developed a steerable catheter that can navigate the brain's arteries and blood vessels in any direction. The device was inspired by nature and successfully tested in pigs, with potential to treat brain aneurysms and other neurological conditions.
Researchers designed a 3D-bioprinted model of a blood vessel that mimics its state of health and disease, enabling more accurate cardiovascular drug advancements. The team's novel nanoengineered bioink offers high printability and ability to protect encapsulated cells.
A research team at POSTECH has developed a biocompatible nanomotor that mimics life's autonomous motility using glucose as fuel. The nanomotors exhibit directional propulsion, overcoming Brownian motion, and show potential for intracellular targeted drug delivery and precise cell manipulation.
Researchers from Terasaki Institute for Biomedical Innovation developed a method to fabricate ultrathin gold shells around silver nanowires, improving their stability and effectiveness. The gold-coated nanowires showed superior durability and performance in various tests, outperforming commercial nanowires.