ACS News Service Weekly PressPac -- October 11, 2006
...ture images of live malaria parasites inside human red blood cells. They say the advance could be important in efforts to understand the malaria parasite's deadly tendency to become resistant to anti-malaria drugs and in developing new drugs and vaccines for the disease. Malaria kills about one million...Mars Express and the story of water on Mars
...zen, then the atmosphere gradually turned the soil red by creating the third mineral OMEGA detected, ferric oxide. Mars has been like this for thousands of millions of years. "It is remarkable that, for the first time, we have identified where and when liquid water might have been present on Mars. It ...Listening to the sound of skin cancer
...uld take a patient's blood sample and separate the red blood cells and the plasma. In a healthy person, the remaining cells would be white blood cells, but in a melanoma patient the sample may contain cancer cells. To find out, doctors would put the sample in saline solution and expose it to rapid-fire s......een was variable, but mostly above chance. In the red versus gray tests, both bears performed above chan...the difference between the colors themselves, like red from blue, or blue from green. But we can see that they can determine if something is gray or colore...Detecting microalgae in coastal waters
...samples for the potentially-harmful types during a red tide," said Dr. MacIntyre. "This fluorometer could be of enormous use for those who monitor our waters to determine their safety, as well as an effective tool for scientists and researchers." Dr. MacIntyre will work closely with the Weeks Bay, AL....Researchers make nanosheets that mimic protein formation
...ed under UV illumination from bright green to dark red depending on the nanoparticle size, are made from cadmium telluride crystals, a material used in solar cells. The sheets are about 2 microns in width, about 1/5 the thickness of a human hair. Scientists have long known how to coax nanoparticles into...Vegetables, like people, urged to live up to potential
...the marketplace, Cisneros said. Anthocyanin is the red pigment in vegetables which is associated with a reduced risk of cancer and heart disease. "So, if you stress (carrots) and they accumulate more anthocyanin, that means more money," he said. "Now imagine using that carrot to make a juice or making ...New bird discovered on unexplored Columbian mountain
... A large and colorful finch with black, yellow and red plumage, the new species differs from its closest relatives in having a black back and no white markings on its wings. It also is found in other nearby mountains in Colombia's eastern Andean range. Genetic, morphological and vocal studies have confir...Ghengis Khan wonder berry could conquer heart disease
...lyphenols - the same beneficial chemicals found in red wine, 50% of flavonoids and 70% of vitamin C present in the pulp of the red berries. Antioxidants in the berries inhibit so-called 'bad' LDL cholesterol oxidisation, which c...Uncovering DNA's 'sweet' secret
...e to look at allof them," Egli said. "But the big red herring of this work could be that nature never wentthrough these other sugars. Maybe it just hit on gold (these five-carbonsugars) very early and took off from there."...Salmon farms kill wild fish, study shows
...m-origin sea lice could push a fish stock into the red zone," said biologist Dr. John Volpe, a study co-author at the University of Victoria. Although the study was conducted in British Columbia, the results apply globally. "This study really raises the question of whether we can have native salmon and...Cloned mice created from fully differentiated cells, a milestone in cloning research
...hich are found in bone marrow and give rise to all red and white blood cells, and progenitor cells. Granulocytes are well characterized white blood cells unique for their segmented nuclei and the numerous granules in the cells' cytoplasm. Surprisingly, the granulocytes were the most efficient donor cel...Parasitic plants sniff out hosts
... plants, pots of moist dirt, and vials of green or red water. None of these objects elicited any directional growth. Then, to narrow down the possible cues being used, they tested the seedlings' response to tomato plants slightly separated from the dodder seedlings, out of view so to speak, in a set-up ...With record resolution and sensitivity, tool images how life organizes in a cell membrane
...brane features that they could study. Tall lipids, red in illustrations in the paper, melted at higher temperatures than short lipids, represented by green. The researchers melted the lipids together, then placed them on a surface to cool and separate into splotchy patterns. This is the system that Longo...Fire ant-attacking fly spreading rapidly in Texas
...IN, Texas -- Parasitic flies introduced to control red imported fire ants have spread over four million a... "getting to first base" in the attempt to control red imported fire ants with phorid flies. In their native Argentina, where Gilbert and his collaborat...Mother birds give a nutritional leg up to chicks with unattractive fathers
...rition-linked plumage ranging in color from bright red to drab yellow. The researchers found that eggs sired by unattractive males (those with less brilliant feathers) had more total antioxidants, including 2.5 times the vitamin E levels, than eggs sired by males with redder, more saturated plumage. Thus...The New England Journal of Medicine reports data on eculizumab for the treatment of PNH
...ed, "Patients with PNH have chronic destruction of red blood cells causing both anaemia and the release o..." PNH is characterized by severe destruction of red blood cells by the body's complement system (a component of the immune system). Patients with PNH m...Video games: Medicine for the body
...ll for the player to train. The player zooms among red blood cells, squeezes through blood vessel walls, and scans and interacts with various objects to train his immune system to fight off the invading pathogens. "Clearly, computer games hold special interest to a generation who has grown up with the...New insight into skin-tanning process suggests novel way of preventing skin cancer
...ecific, targeted drugs. The most common origin of red hair and pale skin in humans is found in a tiny pouch-like receptor, called MC1R, on the surface of melanocytes. When the hormone MSH -- for Melanocyte Stimulating Hormone -- drops into the pouch, it causes a surge in the melanocyte's production of t......rnia, San Diego have discovered that the future of red and yellow varieties of a San Diego wildflower may...flowers have two different animal pollinators. The red form, common along the coast, is strongly preferred by hummingbirds, while yellow monkeyflowers, fou...