Tag: Materials

Drawing Biomedical Electronics Directly Onto Skin

Wearable biomedical devices hold the promise of allowing for continuous, remote patient monitoring in all kinds of settings. A variety of vital signs, including heart rate and its variability, body temperature, and the amount of sweat produced, can be measured. The problem is that a lot of these measurements are not particularly accurate when using (Read more...)

Tiny 3D Printed Cubes Serve as Scaffolding for Broken Bones

A good deal of orthopedic bone repair surgeries involve injecting powders or pastes, to serve as scaffoding, into fractures. Now a collaboration between scientists at Oregon Health & Science University (OHSU), University of Oregon, New York University, and Mahidol University in Thailand has led to the development of a Lego-like 3D printed scaff (Read more...)

Nanogenerators Harvest Energy from Body, Monitor Heart Health

Wearable medical devices such as continuous heart rate monitors, insulin pumps, and neural stimulators usually need access to an electric power source in order to function. While there’s a great deal of wasted energy that our body emits that can be harvested to power such devices, making it actually happen using biocompatible materials has pr (Read more...)

Mechanically Stimulating Neurons Using Magnetic Nanodiscs

Electrical stimulation and chemical pharmaceuticals are the two ways that doctors and scientists routinely use to manipulate neural cells. Chemicals have their side effects, are slow to take effect, and are usually systemically delivered, while electrical stimulation usually requires invasive wires, is limited in its resolution, and is nearly impos (Read more...)

Scientists 3D-Print Human Heart Pump

Scientists at the University of Minnesota have 3D printed a beating heart muscle ‘pump’ consisting of pluripotent stem cells and an extracellular matrix. The researchers grow the stem cells within the structure until they reach an appropriate cell density, and then differentiate them into cardiomyocytes. The 1.5 cm sized structure can p (Read more...)

Edwards’ KONECT RESILIA Aortic Valved Conduit Wins FDA Approval For Bio-Bentalls

Edwards Lifesciences won FDA approval for its KONECT RESILIA aortic valved conduit, a device designed specifically for performing bio-Bentall procedures. Typically, these complex surgeries require physicians to remove the aortic root, the aortic valve, and at least a part of the ascending aorta, and replace them with an artificial valve and an aort (Read more...)

Synthetic Melanin Protects from Radiation Damage

Researchers at Northwestern University have developed a new biomaterial, selenomelanin, that can help protect people from radiation. The new substance, chemically synthesized and produced by bacteria, helps protect cells from radiation more effectively than other forms of melanin. One day, it may be used in sunscreens, medical treatments, or for lo (Read more...)

Micro-LEDs and Solar Panels Wirelessly Power Medical Implants

Researchers at the Gwangju Institute of Science and Technology in South Korea have developed a method to wirelessly power implanted devices using light. The technique involves a micro-LED patch to transmit light through the skin and a photovoltaic system on implanted devices that can turn this light into electricity. This technology could help rese (Read more...)

Air Filter Traps and Kills SARS-CoV-2 Virus

A group of researchers, including those at the University of Houston, has developed an air filter that can instantly kill SARS-CoV-2 viral particles that pass through it by heating them to 200 degrees C (392 F). The technology may help to destroy the particles within busy indoor spaces, such as hospitals, reducing the risk of […]

Revolutionizing IV Access With TournIQ: Interview With Jonathan Ilicki, Co-Founder of Ortrud Medical

IV access is one of the most common clinical procedures in healthcare, with over 300 million hospitalized patients in the United States receiving a peripheral venous catheter every year. However, as many have painfully experienced, catheter insertion isn’t always successful on the first attempt. Often times, we place the blame on dehydration, (Read more...)

Blood Vessel Networks Made by 3D Printing Powdered Sugar

To study the complex functionality of groups of cells, and to one day build replacement tissues, researchers have been trying to find a way to generate artificial vascular networks capable of supplying oxygen and nutrients to thousands of cells. Extrusion 3D printing, in which a liquefied material is layered down and allowed to harden, has [&hellip (Read more...)

Electric Anti-Viral Face Masks

As the wearing of face masks has become ubiquitous in public places, people end up reusing these devices as they go from place to place. Pathogens get deposited on the exterior of the masks and within the fabric. Considering that many pathogens, including that which causes COVID-19, can reside on surfaces for a long time, […]

Easily Removable Surgical Tape to Seal Internal Wounds

Researchers at MIT recently developed an adhesive tape that allows surgeons to seal internal wounds and that can readily stick to slippery internal surfaces, as a potential replacement for sutures. However, the adhesive worked a little too well, and was difficult to remove or adjust without causing irritation or tissue damage. Now, the research tea (Read more...)

Printed Soft Objects for Shape-Shifting Biomedical Implants

Researchers at Rice University have developed a method to 3D print soft structures that can reversibly change their shape in response to external stimuli, such as heat or an electric current. The researchers have dubbed their technique “reactive 4D printing” and it could have potential in creating adaptive biomedical implants that can r (Read more...)

Microneedle Patch for Delivering Stem Cells Into Tissue

Researchers at the Terasaki Institute in Los Angeles have developed a microneedle patch to deliver mesenchymal stem cells (MSCs) into the skin. The biodegradable needles contain a gelatin matrix in which MSCs can survive. Once applied to the skin and removed, the needles detach from the patch and remain within the tissue. The hard outer […]