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

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

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

Artificial blood developed for the battlefield

(PhysOrg.com) -- US scientists working for the experimental arm of the Pentagon have developed artificial blood for use in transfusions for wounded soldiers in battlefields. The blood cells are said to be ...

Medicine & Health / Medical research

created Jul 13, 2010 | popularity 4.7 / 5 (41) | comments 15 | with audio podcast report

Nanoparticles disguised as red blood cells deliver cancer-fighting drugs

Researchers at the University of California, San Diego have developed a novel method of disguising nanoparticles as red blood cells, which will enable them to evade the body's immune system and deliver cancer-fighting drugs ...

Nanotechnology / Bio & Medicine

created Jun 20, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Ancient body clock discovered that helps to keep all living things on time

The mechanism that controls the internal 24-hour clock of all forms of life from human cells to algae has been identified by scientists.

Biology / Biotechnology

created Jan 26, 2011 | popularity 4.8 / 5 (25) | comments 43 | with audio podcast

Tibetans developed genes to help them adapt to life at high elevations

Researchers have long wondered why the people of the Tibetan Highlands can live at elevations that cause some humans to become life-threateningly ill - and a new study answers that mystery, in part, by showing ...

Medicine & Health / Genetics

created May 13, 2010 | popularity 5 / 5 (8) | comments 2 | with audio podcast

Arsenic used to treat leukemia

(PhysOrg.com) -- Arsenic, known in the West mainly as a poison, has been used in traditional Chinese medicine for around two thousand years for the treatment of conditions such as syphilis and psoriasis. It ...

Medicine & Health / Cancer

created Apr 12, 2010 | popularity 4.9 / 5 (7) | comments 2 | with audio podcast report

Engineered version of HIV is used to cure genetic blood disorder

For the second time, researchers have used the HIV virus in gene therapy to cure a severe genetic disease, this time the blood disorder beta-thalassemia, which causes life-threatening anemia.

Medicine & Health / Medical research

created Sep 16, 2010 | popularity 5 / 5 (10) | comments 4

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

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

UA engineers win patent for protein-based electronic circuits

(PhysOrg.com) -- University of Arizona engineers have patented a process that could lead to the next big leap in microelectronics, completely changing the way microchips are made. Pierre Deymier, a professor ...

Nanotechnology / Nanophysics

created Apr 26, 2011 | popularity 4.4 / 5 (7) | comments 2 | with audio podcast

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