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Biomedical technology news

Neuroscience

Turning brain cells on using the power of light: Researchers refine noninvasive method of bioluminescent optogenetics

University of Rochester researchers have demonstrated a noninvasive method using BL-OG, or bioluminescent optogenetics, that harnesses light to activate neurons in the brain. The ability to regulate brain activation could ...

Ophthalmology

Stem cell transplants repair macular holes in primate study

Human stem cell transplants successfully repaired macular holes in a monkey model, researchers report October 3 in the journal Stem Cell Reports. After transplantation, the macular holes were closed by continuous filling ...

Neuroscience

Study hints at ways to generate new neurons in old brains

Most neurons in the human brain last a lifetime, and for good reason. Intricate, long-term information is preserved in the complex structural relationships between their synapses. To lose the neurons would be to lose that ...

Diabetes

A new injectable shows promise to prevent and treat hypoglycemia

People with diabetes take insulin to lower high blood sugar. However, if glucose levels plunge too low—from taking too much insulin or not eating enough sugar—people can experience hypoglycemia, which can lead to dizziness, ...

Radiology & Imaging

Exploring how melanin influences clinical oxygen measurements

Obtaining accurate clinical measurements is essential for diagnosing and treating a wide range of health conditions. Regrettably, the impact of skin type and pigmentation is not equally considered in the design and calibration ...

Cardiology

Engineering human heart tissue for scientific study

Northwestern Medicine scientists have developed a new way to measure heart contraction and electrical activity in engineered human heart tissues, according to findings published in Science Advances.

Diseases, Conditions, Syndromes

Microfluidic chip brings hope for sepsis prognosis and evaluation

A research team led by Associate Professor Yang Ke from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, in collaboration with the First Affiliated Hospital of Anhui Medical University, developed ...

Medical research

Paralysed man walks again via thought-controlled implants

A paralyzed man has regained the ability to walk smoothly using only his thoughts for the first time, researchers said on Wednesday, thanks to two implants that restored communication between brain and spinal cord.

Neuroscience

Reconstructing brain connectivity using 3D images

Initiated in 2015 and led by the Allen Institute for Brain Science, BigNeuron is an international initiative that brings together computer scientists and neuroscientists from a dozen institutions. Its goal is to develop a ...

Diabetes

FDA clears bionic pancreas for people with type 1 diabetes

A bionic pancreas—a wearable, pocket-sized, automated insulin delivery device—that was first developed in a Boston University lab has been cleared by the U.S. Food and Drug Administration (FDA). The iLet Bionic Pancreas ...

Cardiology

Leadless pacemakers may soon be available for all patients

Every year more than one million people receive a pacemaker. Until now, leadless versions were only available for 20% of these patients. However, thanks to an international consortium led by Amsterdam UMC, an improved version ...