Immortalizing Enzyme Does Not Make Human Cells Cancerous
...d (DNA) that the enzyme telomeraseadds back to the tips of chromosomes - is the biological clock that governs howmany divisions a cell will go through. With the new findings, the way now seems clear for research into newtherapies for age-related diseases and for cancer - two ends of the samespectrum....Did You Know? The Truth About The Poinsettia
... this plant." Here are some additional poinsettia tips from the Plant Doctors this holidayseason: Remember to keep your poinsettias in a sunny place for at least six hours eachday, but don't let them touch cold windows. A chill will cause the poinsettia todrop its leaves. Keep the soil moist and wat...Swedenvironment No. 3 Highlights
... Greenpeace is testing the wastewater from rubbish tips in Sweden, as a pilot project in a campaign to highlight the spread of toxic substances. Factor 10: Sell The Function - Not The Product Improved eco-efficiency can be achieved if one sells the function (e.g. a warm house) rather than the product (...Hopkins Study Shows Brain Damage Evidence In "Ecstasy" Users
...ie embedded in the membranes of nerve cells, atthe tips of fingerlike extensions called axons. In the study, the PET scans showed MDMA users had far fewer serotonintransporters than controls who didn't use the drug. Also, the greater the useof MDMA -- some of the subjects had used it 200 or more ...Taking The "Ouch" Out Of Needles: Arrays Of "Microneedles" Offer New Technique For Drug Delivery
...erialitself. Using existing silicon material, the tips of a very small number of theneedles can break off in the skin. Whether the minute amount of silicon leftbehind may cause problems, orwhether needle breakage could be eliminated with the use of other materials orimproved needle design, must also be s...Heart and Soul: The Blood Vessels And Brain Use Common Guide
...unction by inducing thecollapse of outgrowing axon tips that venture into inappropriate brain areas,causing the affected axon to veer in another direction. This finding turns VEGF from a growth factor thought until now to actonly on endothelial cells into one that may have a broader range of actio...Hultgren Receives Prestigious Eli Lilly Award
... hairs, or pili, are sticky because their feathery tips contain aprotein called an adhesin, which fits int...n and assembly of E. coli P and type 1 pili, whose tips contain adhesinscalled PapG (on P pili) and FimH (on type 1 pili). For many years, researchershave b...Lactose-Intolerant People Should Drink More Milk, Expert Says
... more likely to cause symptoms." Savaiano has four tips to improve digestion of milk and dairy products. "These approaches can improve lactose tolerance to the point that people can consume diets that are quite rich in calcium and in milk and experience no difference in their symptoms from eating a diet w...Washington University Licenses Its New Antibacterial Technology
...covered with hair-like structures called pili. The tips ofthe pili carry proteins that fit into receptors in the kidney or bladder lininglike keys into locks. Firmly anchored, the bacteria go about their businessundisturbed. Hultgren's team has identified the major components along the pilusassem......s the delicate balance of biological processesthat tips the scales in favor of blood vessel formation--leading to tumorgrowth--was unclear. Now, the TSRI scientists report that a naturally occurringfragment of an enzyme known as matrix metalloproteinase 2 (MMP-2) can interactwith the vascular cell integri......ay. That is because the pheromonereceptors in the tips of their two antennae orient them to the source of thepheromone and direct them to turn left or right. When they veer off the trailto the right, the right-hand antennae -- receiving a weaker signal -- tell themto turn left. And if they overcompensa......ng and vaporized gold plating to produce capillary tips with a diameter of only one ten-thousandth of an inch (2.5 micrometers). The capillary flow rate is about 1,000 times slower than is typical for electrospray, lowering sample requirements. Also, the spray diameter is reduced so that more of the samp...