Tag: Materials

New Software Helps Design DNA Nanorobots

Researchers at Ohio State University have developed new software that allows them to rapidly design and simulate DNA nanorobots. Previously, it was challenging to engineer such tiny devices, but now researchers can map out their design in minutes. DNA-based devices have significant promise as medical technologies with potential applications in drug (Read more...)

Heart Patch Helps Grow New Vessels Post Myocardial Infarct

Researchers at the Pohang University of Science & Technology (POSTECH) in South Korea have developed a hydrogel patch system that allows for sophisticated sequential release of growth factors that stimulate angiogenesis. The sequential cascade of growth factors mimics the natural process in the body and the researchers hope that the technology (Read more...)

Tendon-Inspired Sutures Protect Fragile Tissues

Researchers at McGill University in Canada have developed bioinspired sutures that mimic the structure of human tendons. The gel-covered sutures are slippery and tough, reducing the damage caused by conventional sutures when used on soft tissues. Interestingly, the gel surface of the sutures may allow for advanced applications such as drug delivery (Read more...)

3D Printed Microfluidic Bioreactor for Brain Organoid Culture

Researchers at MIT and the Indian Institute of Technology Madras have developed a 3D-printed microfluidic bioreactor that can be used to culture and study brain organoids. The tiny self-organizing nodules of brain tissue are very useful in studying neurological disease and the effects of drugs. However, the bioreactors used to grow brain organoids (Read more...)

Lab-Generated Heart Valves Grow Inside Body

Researchers at the University of Minnesota have developed a tissue-engineered heart valve replacement that can grow within a patient. The breakthrough could allow children with congenital heart defects to avoid repeated surgeries to replace heart valves that they have outgrown. To create the valves, the researchers cultured donor cells in a fibrin (Read more...)

Silver-Hydrogel Composite for Bioelectronic Applications

Researchers at Carnegie Mellon University have developed a silver-hydrogel composite that can conduct electricity, which looks promising for use in a variety of bioelectronics applications. These include skin mounted electrodes for neuromuscular stimulation that may be helpful in treating muscular disorders or other motor issues. Soft materials are (Read more...)

Skin-Like Sensor for Fine Control of Prosthetic Arms

Researchers at the City University of Hong Kong have developed a soft sensor for sensitive measurement of shear forces applied to its surface. When attached to robotic grippers, the tactile sensing allows for fine control of grasped objects, enabling the robot to perform impressive feats, such as threading a needle and gripping an egg without [&hel (Read more...)

Engineered Cartilage Cells Produce Anti-Inflammatory Drugs

Osteoarthritis affects millions of people worldwide, and occurs when the cartilage that protects the ends of bones starts to degrade and wear down. With the aim of ultimately developing treatments for osteoarthritis, researchers from the Washington University School of Medicine in St. Louis have genetically engineered cartilage cells to release an (Read more...)

Face Mask Sensor to Detect COVID-19

Our breath holds a multitude of biomarkers, including potentially those indicating the presence of SARS-CoV-2, the virus responsible for COVID-19. Those infected with the virus are prone to exhale proteases, enzymes that speed up the breakdown of proteins, related to the new virus. This has led researchers at University of California, San Diego to (Read more...)

Cooling Vest Helps COVID Clinicians with Heat Stress

Researchers from the Radboud University Medical Center in The Netherlands have trialed cooling vests, originally designed for elite athletes, in nursing staff who have to put in long shifts in COVID-19 wards wearing full personal protective equipment (PPE). While essential, the protective equipment can lead to significant discomfort in the form of (Read more...)

10 Second COVID Antibody Test on a Chip

Researchers at Carnegie Mellon University have developed a microfluidic chip that can provide rapid COVID-19 antibody tests. The electrochemical test can detect very low concentrations of antibodies in blood samples, and transmits the results to a smartphone. The test could help to measure patient responses to vaccines and determine if they have be (Read more...)

3D Imaging Illuminates Internal Structure of Brain Spheroids

Researchers at the Wyss Center in Geneva and collaborators have developed novel imaging and labeling techniques to view the internal structure of brain spheroids, and observe the morphology of single neurons in 3D. Brain spheroids, which the researchers term “mini brains,” are a cluster of different types of brain cells, and are culture (Read more...)

Artificial Attachments for Immune Cells Help Kill Tumors

Though immune cells have the capabilities to kill cancer cells, they’re often thwarted by cancer’s ability to evade detection. Researchers at Pennsylvania State University have now developed engineered natural killer cells that have a much better ability to find and kill cancerous cells. “We explored a novel method to engineer nat (Read more...)

Radiotherapy to Prevent Recurrence Post Brain Tumor Excision: Interview with Matthew Likens, President and CEO of GT Medical

GT Medical Technologies, a company based in Arizona, has developed the FDA-approved GammaTile system, which can provide localized radiation therapy for brain tumor excision sites. Its goal is to reduce tumor recurrence and enhance patient survival. The treatment consists of radiation seeds encased in a collagen substrate. These are easy to place at (Read more...)