Tag Archives: Blood

Zero gravity made some astronauts’ blood flow backwards

By Clare Wilson Zero gravity made some astronauts on the International Space Station experience reversed blood flow.NASA Being in zero gravity can have strange effects on the body – now it’s emerged that it can make people’s blood flow backwards. The changes to circulation caused two astronauts to develop small blood clots, which could have… Read More »

Simple blood test could spot breast cancer

Experts have revealed a simple blood test could spot breast cancer five years before clinical signs appear. Researchers at Nottingham University’s School of Medicine have made the claim after sampling 180 patients with a focus on chemicals known as antigens — these are produced by cancer cells and trigger an immune response inside humans. They… Read More »

Here’s What Happens to Your Blood After You Donate It

Blood is separated into three components plenoy m/Shutterstock “Most whole blood donations are separated into transfusable components: red cells, platelets, and plasma,” says Dr. Young. Technicians use centrifuges to spin the blood at high speeds and separate the three components. “The testing and processing steps take approximately three days to complete,” says Dr. Young. Each… Read More »

New blood test could be used to help millions infected with TB

Protein power The research team set out to create their blood-based test by identifying a signature set of biomarkers in patients’ blood that consistently indicated a high likelihood of ATB, then developing an easily deployable assay that could detect that signature. They first measured the levels of 47 different blood proteins in about 400 samples… Read More »

Disc Pump for Less Obtrusive Ambulatory Blood Pressure Systems

TTP Ventus, the UK-based developer of the Disc Pump, has recently begun working on a new application for this technology – ambulatory blood pressure systems. The company claims that the Disc Pump, which is a miniaturized, quiet, and highly efficient pump, could revolutionize ambulatory blood pressure measurements. At present, 24-hour blood pressure monitors are commonly… Read More »