News tagged with red blood
First adhere, then detach and glide forward
Dec 23, 2009 |
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How do one-celled parasites move from the salivary gland of a mosquito through a person's skin into red blood cells? What molecular mechanisms form the basis for this very important movement of the protozoa? ...
Chemical energy influences tiny vibrations of red blood cell membranes
Dec 21, 2009 |
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(PhysOrg.com) -- Much like a tightly wound drum, red blood cells are in perpetual vibration. Those vibrations help the cells maintain their characteristic flattened oval or disc shape, which is critical to ...
Killer catfish? Venomous species surprisingly common, study finds
Dec 10, 2009 |
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(PhysOrg.com) -- Name all the venomous animals you can think of and you probably come up with snakes, spiders, bees, wasps and perhaps poisonous frogs. But catfish?
'Mini' transplant may reverse severe sickle cell disease
Dec 09, 2009 |
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Results of a preliminary study by scientists at the National Institutes of Health and Johns Hopkins show that "mini" stem cell transplantation may safely reverse severe sickle cell disease in adults.
Scientists successfully reprogram blood cells
Nov 09, 2009 |
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Researchers have transplanted genetically modified hematopoietic stem cells into mice so that their developing red blood cells produce a critical lysosomal enzyme -preventing or reducing organ and central nervous system damage ...
New nanolaser -- spaser -- key to future optical computers and technologies
Aug 16, 2009 |
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(PhysOrg.com) -- Because the new device, called a "spaser," is the first of its kind to emit visible light, it represents a critical component for possible future technologies based on "nanophotonic" circuitry, ...
Small nanoparticles bring big improvement to medical imaging
Nanotechnology / Bio & Medicine
Nov 18, 2009 |
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If you're watching the complex processes in a living cell, it is easy to miss something important—especially if you are watching changes that take a long time to unfold and require high-spatial-resolution ...
Researchers discover novel method for detecting MIRCERA
Chemistry / Analytical Chemistry
Dec 16, 2009 |
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Austrian researchers have successfully developed a new electrophoretic method for detecting MIRCERA® and other erythropoietins (EPO) in the blood. The technique, using SARCOSYL-PAGE, has specifically enhanced sensitivity ...
New insight into selective binding properties of infectious HIV
Medicine & Health / HIV & AIDS
Dec 15, 2009 |
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Free infectious HIV-1 is widely thought to be the major form of the virus in the blood of infected persons. U.S. Military HIV Research Program (MHRP) researchers, however, have demonstrated that essentially all of the infectious ...
Mosquitoes deliver malaria 'vaccine' through bites
Jul 29, 2009 |
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In a daring experiment in Europe, scientists used mosquitoes as flying needles to deliver a "vaccine" of live malaria parasites through their bites. The results were astounding: Everyone in the vaccine group acquired immunity ...
Israeli scientists find way to combat forged DNA
Aug 20, 2009 |
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Israeli scientists have developed new technology to fight biological identity theft after realising that DNA evidence found at crime scenes can be easily falsified.
Ironing out the genetic cause of hemoglobin problems
Oct 11, 2009 |
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(PhysOrg.com) -- A gene with a significant effect on regulating hemoglobin in the body has been identified as part of a genome-wide association study, which looked at the link between genes and hemoglobin ...
Study highlights implications of influenza pandemics on blood supplies
Dec 09, 2009 |
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A German research team has examined data on supply and demand for blood transfusions against a computer simulation of an influenza pandemic, and discovered that a severe pandemic scenario could quickly lead to a deficit of ...
Slipper-shaped blood cells
Oct 26, 2009 |
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Red blood cells, which make up 45 percent of blood, normally take the shape of circular cushions with a dimple on either side. But they can sometimes deform into an asymmetrical slipper shape. A team of physicists ...
Researchers turn cell phones into fluorescent microscopes
Jul 22, 2009 |
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(PhysOrg.com) -- Researchers at the University of California, Berkeley, are proving that a camera phone can capture far more than photos of people or pets at play. They have now developed a cell phone microscope, ...
