Particle emissions from laser printers might pose health concern
...the researchers believe to be toner, the ultrafine powder used in laser printers instead of ink to form text and images. One of the printers released particles into an experimental chamber at a rate comparable to the particle emissions from cigarette smoking, the report stated. Thirty-seven of the 62 prin...Insulin grown in plants relieves diabetes in mice; UCF study holds promise for humans
...ed plant cells to five-week-old diabetic mice as a powder for eight weeks. By the end of the study, the diab... insulin would be delivered to human patients as a powder in capsules because the dosage must be controlled carefully. If human trials are successful, the i...Talcum powder stunts growth of lung tumors
GAINESVILLE, Fla. Talcum powder has been used for generations to soothe babies dia...ientists have only recently discovered that talcum powder stunts tumor growth, though the mineral has been used for almost 70 years to treat the respiratory p...ACS News Service Weekly PressPac -- May 2, 2007
... boosts levels of heart-healthy compounds in cocoa powder Skin patch tests may miss patients allergic t... boosts levels of heart-healthy compounds in cocoa powder Journal of Agricultural and Food Chemistry Scientists in Spain are reporting development of a ne...Cherries may help reduce metabolic syndrome and heart disease risk factors
...by University of Michigan researchers, used cherry powder derived from tart cherries the variety frequently...th benefits. In the new study, whole tart cherry powder was fed to two groups of rats as either 1 percent or 10 percent of their diet for 90 days. Other ra...New nanocomposites may mean more durable tooth fillings
...the filling by mixing the pure liquid resin with a powder that contains coloring, reinforcement and other ma...em arises from an additive that is included in the powder to provide a steady release of calcium and phosphate ions. These ions are essential to the long-term...Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex
... Schweitzer, arrived in the form of a gritty brown powder that had to be rid of contaminants. Using techniques and tricks perfected while working on the mammoth sample, Asara purified the protein, identified as collagen, and, with the enzyme trypsin, broke it down into fragments, or peptides, 10 to 20 amino...Ancient coral reef tells the history of Kenya's soil erosion
... a little bit of powder, and then we dissolved the powder and took it to the lab, where we measured the barium with a wet chemical technique. It was a very slow process, very painful. It took forever to get data." The new method, developed by researchers at the Australian National University, "increased the...World's oldest rocks show how Earth may have dodged frozen fate of Mars
...lder team analyzed the rocks by crushing them into powder and dating zircon crystals present in the rock, said Mojzsis. The technique allowed them to calculate the geologic age of the crystals based on the radioactive decay rate of the uranium and lead isotopes in relation to each other, a technique known ...UCF student's research with Disney giraffes may help conserve several species
...Ecology and Bioenergetics Lab at UCF. It turns the powder into gas. The machine analyzes the gas and produces a print out showing chemical signatures in the sample the sequence of alkanes. Although zookeepers know generally what giraffes eat, little is known about what else giraffes in the wild eat and w...New vaccine stimulates colorectal cancer patient's immune systems to fight cancerous cells
... to receive either 100 micrograms of 105AD7 with a powder to help absorb the vaccine, 105AD7 along with BCG ...er patients) during the first immunization and the powder in subsequent vaccinations, or no treatment. The patients, who had varying degrees of disease, aver...A buffet for early human relatives
...and basically grind away at the tooth, collect the powder and then analyze that," Passey says. In the past decade, researchers including Cerling have used "laser ablation" to remove and analyze tooth enamel samples from the large, fossilized teeth of prehistoric horses, rhinos and elephants to determine ...ASU researchers test antibacterial effects of healing clays
... He guessed wrong. Armed with 100 grams of green powder (clay high in reduced iron), Williams not only took the micrographs of the minerals, she went a step further and examined their crystal structure and chemical compositions. She recruited Haydel to the project before the microbiologist arrived at ASU ...Clemson researchers develop nanotechnology
...rax to be effective, it has to be made into a fine powder that can easily enter the lungs when inhaled. That is what makes it lethal," said Sun. "What we have done is come up with an agent that clings to the anthrax spores to make their inhalation into the lungs difficult." Anthrax spores are covered with ...NJIT researchers seed, heat and grow carbon nanotubes in long tubing
...cal, properties. For example, by simply mixing the powder with polymers or chemicals, films and composites c...drawbacks. "We have never been able to anchor the powder to a large surface, nor can we grow the nanotubes in a large device. Typically we could only produce...Ginger causes ovarian cancer cells to die, U-M researchers find
...es, only a standardized research grade. The ginger powder was dissolved in solution and applied to ovarian cancer cell cultures. Ginger induced cell death in all the ovarian cancer cell lines tested. Moreover, the researchers found that ginger caused two types of cell death. One type, known as apoptosis, r...Quality standards issued for testing herbal products
...d solid oral dosage form (SRM 3243), and a protein powder (SRM 3244). The materials are certified for their concentrations of the ephedrine alkaloids and potentially toxic elements (including arsenic, cadmium, lead and mercury). SRM 3243 also provides certified values for synephrine (a compound in some of ...Tiny water purification packet helps save lives worldwide
...e system consists of a packet containing a grayish powder composed of a variety of chemicals that collective...added to water. The main active ingredients of the powder are calcium hypochlorite (bleach), which can kill a wide range of deadly pathogens, and ferric sulfa......t." "It just takes two or three pinches of bone powder to find molecular evidence," Ostrom said. "We have protein sequences from material believed to be in range of half a million years old. We are carefully working our way back in time." She said it appears some proteins can endure longer than DNA. In ...