Chronic diabetic ulcers remain one of the most stubborn and devastating complications of diabetes, and many patients face years of pain as poor circulation and chronic inflammation prevent wounds from closing. More than 40 million people in the United States live with diabetes, and diabetic foot ulcers are a leading cause of amputation, affecting nearly one third of patients with severe wounds. Existing treatments rely heavily on biological materials taken from pigs or human cadaver skin, but these options come with serious drawbacks. Pig derived products can trigger immune reactions, while human donor tissues are limited in supply and often…

Cancer surgery often hinges on a difficult decision. Surgeons must determine which lymph nodes are likely to contain cancer and which should be preserved to avoid long term complications. Existing imaging tools can show where lymph fluid drains, but they cannot reliably indicate whether a specific lymph node is cancer linked during the operation. This gap forces surgeons to rely on experience and partial information at a moment when accuracy matters most. Researchers at the University of Illinois Urbana-Champaign have now introduced a compact imaging system that brings a new level of clarity to this decision by capturing ultraviolet, visible,…

Powerful medications often require precise dosing, yet clinicians usually rely on occasional blood tests that provide only brief snapshots of how a patient’s body processes a drug. This creates a risk of missing the moment when a dose becomes ineffective or begins to strain the organs responsible for clearing it. A UCLA‑led research team has developed a microneedle sensor designed to solve this problem by continuously monitoring drug levels just beneath the skin. The goal is to give doctors real‑time insight into kidney and liver function without the need for repeated blood draws. The new platform uses tiny microneedles that…

Cancer drugs often fail because they do not reach the right part of the cell, yet scientists have had no reliable way to track where a drug accumulates inside a living cell. Existing methods usually require killing the cell first, which destroys the very information researchers need. Scientists at the University of Surrey and King’s College London have developed a new analytical technique that solves this long‑standing problem by mapping drug uptake inside individual living cells and even inside their internal structures. The method was created to study targeted radionuclide therapy, a cancer treatment that attaches a radioactive particle to…

Treating skin wounds often relies on ointments or light therapy, but both approaches have a similar problem: it is hard to deliver the right dose over time. Too much ointment can cause side effects, and too much light can reduce the benefits of photobiomodulation, the technique that uses specific wavelengths of light to stimulate cell repair. A research team at the Korea Advanced Institute of Science and Technology (KAIST) has developed a smart wound patch that solves this dosing problem by combining an organic light emitting diode, or OLED, with a drug delivery system that responds automatically to the body’s…

Arteriosclerosis, the stiffening and thickening of arterial walls, is a major driver of heart attacks and strokes, but it is difficult to monitor continuously in daily life. Most current diagnostic tools rely on hospital equipment, short snapshots of vascular health, or wired sensors that are not practical for long-term use. Wireless systems exist, but they often operate at higher frequencies that can raise concerns about electromagnetic interference with other devices or with the human body. A research team from the Korea Advanced Institute of Science and Technology (KAIST) has addressed this gap by developing a low-frequency wireless sensor designed specifically…

Laser surgery for growths on the vocal folds often requires general anesthesia because standard optical fibers cannot reach deep or angled areas of the larynx. This limitation leaves many patients without safe treatment options, especially those with heart conditions or other risks that make anesthesia dangerous. Researchers at Worcester Polytechnic Institute have developed a flexible optical fiber that can be guided through an endoscope and precisely steered to hard‑to‑reach spots, offering the possibility of performing these procedures safely in outpatient settings. The new device consists of a thin nickel‑titanium sheath only 1.6 millimeters wide, with notches that allow it to…

Heart disease remains one of the most difficult conditions to monitor outside a clinical setting because most diagnostic tools require patients to lie still, remove clothing, and wear specialized sensors for only a few minutes at a time. This creates a major gap in care. Many early signs of heart problems appear in the subtle mechanical rhythms of the heart, not just in how fast it beats. These signals are rarely captured during short clinic visits. Researchers at Carnegie Mellon University have now shown that ordinary earbuds, the same kind people use for music or phone calls, can detect these…

Glaucoma surgery has long faced a major limitation: surgeons cannot see how fluid is actually moving inside the eye while they operate. They can measure eye pressure before and after a procedure, but not during the critical moments when surgical decisions matter most. This gap makes outcomes unpredictable, and more than half of patients undergoing common glaucoma surgeries still fail to achieve full success without medications. A new technology developed at the Icahn School of Medicine at Mount Sinai in New York aims to change that. The system, called miDOC (micro‑interventional Dynamic Outflow Curve), gives surgeons real‑time insight into how…

Chemotherapy remains one of the most widely used cancer treatments, but it often affects the entire body rather than just the tumor. Because these drugs target fast‑dividing cells, they also damage healthy tissues like hair follicles, the digestive tract, and bone marrow. This is why patients frequently experience hair loss, nausea, fatigue, and other difficult side effects. Researchers at the University of Mississippi are exploring a new approach that could make cancer treatment far more targeted and far less punishing. The Ole Miss team has developed tiny 3D‑printed drug carriers, called “spanlastics”, that can be implanted directly at a tumor…