For the first time, a single, twisted nanoparticle has been accurately measured and characterized in a lab, taking scientists one vital step closer to a time when medicines will be produced and blended on a microscopic scale.
Physicists at the University of Bath who study materials on the nanoscale — that...
The first mechanism establishes a relationship between the phase of the heartbeat and conscious experience. In a regular rhythm, the heart contracts in the so-called systolic phase and pumps blood into the body. In a second phase, the diastolic phase, the blood flows back and the heart fills up again....
Neuroscientists at MIT’s Picower Institute for Learning and Memory have found that a protein acts as a volume dial for the release of neurotransmitters, the chemicals that neurons release across connections called synapses to stimulate muscles or communicate with other neurons in brain circuits. The findings help explain how synapses...
To replace aging and worn cells, the body primarily uses a process called mitosis, in which one cell divides into two. When a cell is ready to divide, it duplicates its DNA so a complete copy is available for each of the daughter cells. In this process, the DNA pieces,...
A first-of-its-kind nanoparticle-based in vivo imaging technique that may one day be used to help diagnose and even treat cancer has been developed by researchers collaborating from Michigan State, Johns Hopkins, and Stanford universities.
The technique captures mechanical properties in living subjects that probe fundamental relationships between physics and in vivo...
The accumulation of one particular protein in the brain is on the basis of three very different age-related conditions. Until recently, nobody understood how this was possible. Research by the Laboratory for Neurobiology and Gene Therapy (KU Leuven) now reveals that the shape of the protein determines the clinical picture.
The...
University of Virginia researchers are pioneering the use of focused ultrasound to defy the brain’s protective barrier so that doctors could, at last, deliver many treatments directly into the brain to battle neurological diseases. The approach, the researcher’s hope, could revolutionize treatment for conditions from Alzheimer’s to epilepsy to brain...
An article published in the Journal of General Internal Medicine looks at the relationship between burnout and depressive symptoms in medical interns.
The article is authored by Constance Guille, M.D., an associate professor in the Department of Psychiatry and Behavioral Sciences at the Medical University of South Carolina, and Lisa Rotenstein,...
A protein is known to expand blood vessels — the key to controlling conditions like high blood pressure — actually has different functions in males and females, new UC Davis Health research shows.
Conducted using arterial cells from mice, the study is the first to identify sex-based distinctions in how the...
Scientists from the University of Gothenburg, Sweden, have found a new method of reducing human body weight and fat mass using weighted vests. The new study indicates that there is something comparable to built-in bathroom scales that contributes to keeping our body weight and, by the same token, fat mass...
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