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Blood

Researchers have developed a simple blood test to determine a patient's exposure to ionizi...

Industrial and medical accidents have resulted in about 3,000 cases of acute radiation syndrome with over 100 deaths over the past 60 years. Far larger numbers are possible in the future from major reactor accidents or the use of dirty bombs. In the aftermath of a major incident, the radiation dosages of victims must be sorted out quickly, so that suitable treatment can begin as soon as possible. Medical researchers at the US Lawrence Berkeley National Laboratory have now developed a simple blood test to determine the exposure of a patient to ionizing radiation, that can be carried out in the field with a hand-held analyzer.  Read More

Simulation of the clotting process, showing the platelets in gold and the Willebrand facto...

Blood clots are one way in which the body heals itself after injuries on even the tiniest level. The process is fast, reliable and goes on every minute of the day without our being aware of it. Now, a team led by MIT assistant professor of materials science and engineering Alfredo Alexander-Katz is studying blood clots as a new model for producing self-healing materials.  Read More

The V-chip is an inexpensive credit card-sized device, that can instantly test a single dr...

Ordinarily, when medical clinicians are conducting blood tests, it’s a somewhat elaborate affair. A full vial of blood must be drawn, individual portions of which are then loaded into large, expensive machines such as mass spectrometers. The results are usually quite accurate, but they’re not instantaneous, and require the services of trained personnel in a well-equipped lab. That may be about to change, however. Scientists from Houston’s Methodist Hospital Research Institute and MD Anderson Cancer Center have created a credit card-sized gadget, that can instantly check a single drop of blood for up to 50 different substances – and it costs about US$10.  Read More

The 'Blood Bricks' created by British architecture school graduate Jack Munro

How could cattle become any more useful? Their hide is already used to produce leather, their milk is used for cheese butter and, well, milk, they taste great in a burger and continue to serve as draft animals in many parts of the world. British architecture school graduate Jack Munro has found a way to make a building material using one of the few materials from cattle that currently largely goes to waste – blood.  Read More

Work being conducted on the renal organoids, at the Mario Negri Institute for Pharmacologi...

While it may not be possible to grow functional human kidneys in a lab just yet, scientists at Italy’s Mario Negri Institute for Pharmacological Research have definitely come a step closer. In a paper published last week, they reported that they have created kidney-like “organoids,” that perform the same functions as kidneys when implanted in rats.  Read More

Findings that a variant of the CIZ1 protein is present in lung cancers could lead to the d...

While the overall lung cancer five-year survival rate in the U.S. is 15 percent, the odds of survival increase significantly with early detection. However, the expense or invasiveness of current screening methods and the lack of symptoms at early stages of the disease means most people aren’t diagnosed until the cancer is well advanced. Findings by researchers at the University of York could pave the way for a simple blood test that would detect the disease even in its early stages.  Read More

Micrograph of endothelial tissue grown from blood-derived pluripotent stem cells

There are ongoing moral and ethical battles concerning the farming and application of human embryonic stem cells in medical research and applications. Without judging any of the viewpoints represented in the fracas, it is clear that the stem cell world would be a friendlier place if the harvesting of embryonic stem cells were not necessary. Toward this goal, Johns Hopkins scientists have developed a reliable method to turn the clock back on blood cells, restoring them to a primitive stem cell state from which they can then develop into any other type of cell in the body.  Read More

The HemoGlobe promises to provide an inexpensive way to detect anemia in the developing wo...

A terrible scourge in the developing world, anemia claims hundreds of thousands of lives every year. Medical tests to detect the condition and prevent tragedy are often unavailable, but students at John Hopkins University have invented a sensor that turns a cell phone into an inexpensive blood analysis tool. At an awards ceremony in Seattle on July 14, the bioengineernig undergraduates revealed their device, the HemoGlobe, which will soon be undergoing testing in Africa.  Read More

Scientists have had success in tracking the passage of blood cells within the body, by lab...

Thanks to advances in stem cell therapy, it is now possible to use engineered white blood cells to fight diseases such as HIV within the human body. When such treatments are being developed, however, it can be difficult to track where the introduced cells travel within a patient’s system, and how many of them make it to their target. Now, thanks to research being carried out at the University of Edinburgh's Centre for Cardiovascular Science, those cells can be magnetically labeled.  Read More

Engineered microvessels can form bends and T-junctions, like this one. The blue dots are t...

A team of bioengineers at the University of Washington has developed the first structure for growing small human blood vessels in the laboratory. The vessels behave remarkably like those in a living human and offer a better and much more modular approach to studying blood-related diseases, testing drugs and, one day, growing human tissues for transplant.  Read More

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