News tagged with red blood cell

Researchers identify mechanism that maintains stem cells readiness

An immune-system receptor plays an unexpected but crucially important role in keeping stem cells from differentiating and in helping blood cancer cells grow, researchers at UT Southwestern Medical Center report today in the ...

Biology / Cell & Microbiology

created May 31, 2012 | popularity not rated yet | comments 0 | with audio podcast

Researchers develop synthetic platelets

Synthetic platelets have been developed by UC Santa Barbara researchers, in collaboration with researchers at Scripps Research Institute and Sanford-Burnham Institute in La Jolla, Calif. Their findings are ...

Chemistry / Materials Science

created May 30, 2012 | popularity 4.9 / 5 (8) | comments 0 | with audio podcast

Designing a dye you can count on

Natural substances such as chlorophyll and the heme pigment of red blood cells contain colorful molecules known as porphyrins. They owe their exceptional visual characteristics to a ‘macrocyclic’ ...

Chemistry / Materials Science

created May 24, 2012 | popularity not rated yet | comments 0

Mexican experts find ancient blood on stone knives

(AP) - Traces of blood and fragments of muscle, tendon, skin and hair found on 2,000-year-old stone knives have given researchers the first conclusive evidence that the obsidian blades were used for human sacrifice so long ...

Other Sciences / Archaeology & Fossils

created May 03, 2012 | popularity 4.3 / 5 (6) | comments 3 | with audio podcast

Detecting malaria early to save lives: New optical technique promises rapid and accurate diagnosis

Correctly and quickly diagnosing malaria is essential for effective and life-saving treatment. But rapid detection, particularly in remote areas, is not always possible because current methods are time-consuming ...

Physics / Optics & Photonics

created Apr 18, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Pigeons' navigation skill not down to iron-rich beak cells: study

The theory that pigeons' famous skill at navigation is down to iron-rich nerve cells in their beaks has been disproved by a new study published in Nature.

Biology / Plants & Animals

created Apr 11, 2012 | popularity 5 / 5 (6) | comments 11 | with audio podcast

Defect in transport system causes DNA chaos in red blood cells

Within all our cells lies two meters of DNA, highly ordered in a structure of less than 10 micro meters in diameter. Special proteins called histones act as small building bricks, organising our DNA in this structure. Preservation ...

Biology / Cell & Microbiology

created Mar 12, 2012 | popularity 5 / 5 (1) | comments 0

Handheld device for doing blood tests moves closer to medical use

Scientists are reporting a key advance in efforts to develop a handheld device that could revolutionize the complete blood cell count (CBC), one of the most frequently performed blood tests used to diagnose ...

Chemistry / Analytical Chemistry

created Feb 01, 2012 | popularity 5 / 5 (1) | comments 0

Cutting off the oxygen supply to serious diseases

A new family of proteins which regulate the human body's 'hypoxic response' to low levels of oxygen has been discovered by scientists at Barts Cancer Institute at Queen Mary, University of London and The University of Nottingham.

Biology / Cell & Microbiology

created Jan 30, 2012 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Chemists unlock potential target for drug development

A receptor found on blood platelets whose importance as a potential pharmaceutical target has long been questioned may in fact be fruitful in drug testing, according to new research from Michigan State University ...

Chemistry / Analytical Chemistry

created Jan 19, 2012 | popularity not rated yet | comments 0

Molecules on branched-polymer surfaces can capture rare tumor cells in blood

The removal of rare tumor cells circulating in the blood might be possible with the use of biomolecules bound to dendrimers, highly branched synthetic polymers, which could efficiently sift and capture the diseased cells, ...

Chemistry / Biochemistry

created Nov 17, 2011 | popularity not rated yet | comments 0 | with audio podcast

Fleas collected from Norway rats in downtown LA carry human pathogen

Most fleas collected from rats trapped in downtown Los Angeles, California carried microbes from the genus, Bartonella, many of which are human pathogens, according to a paper in the November Applied and Environmental Mi ...

Biology / Cell & Microbiology

created Nov 17, 2011 | popularity not rated yet | comments 1

Fukushima radiation 'mostly fell in sea': study

Most of the radioactive fallout from the disaster at the Fukushima nuclear plant dropped into the ocean and began circling the planet, Japanese researchers said Thursday.

Space & Earth / Environment

created Nov 17, 2011 | popularity 5 / 5 (2) | comments 0

Using math and light to detect misshapen red blood cells

Misshapen red blood cells (RBCs) are a sign of serious illnesses, such as malaria and sickle cell anemia. Until recently, the only way to assess whether a person's RBCs were the correct shape was to look at ...

Physics / Optics & Photonics

created Oct 31, 2011 | popularity not rated yet | comments 0

New invisibility cloak hides objects from human view

For the first time, scientists have devised an invisibility cloak material that hides objects from detection using light that is visible to humans. The new device is a leap forward in cloaking materials, according to a report ...

Nanotechnology / Nanophysics

created Jul 27, 2011 | popularity 3.7 / 5 (15) | comments 11 | with audio podcast