Green Glow: Not Only For Halloween
...ad been properly delivered. By "tuning" the green dye to different colors, scientists studying vision may be able to gain insight into how the human eye is able to respond to so many different colors. Says Kamal Shukla, "Pliny the Elder probably never would have guessed where his original observations w...Merging Physics And Neuroscience: First Evidence Of Self-Organized Criticality In Brain Networks
...d the formation and movement of these wavesusing a dye that fluoresces in the presence of calcium ions. Byaccurately recording the wave propagation using a video camera, shegenerated data from which the wave patterns could be mathematicallyanalyzed. The cell networks produce waves in a wide range of si...New, Environmentally Friendly Technique For Separating Liquids Invented At UNC-CH
...he team used itstechnique successfully to remove a dye completely from water, the scientistsaid. The first practical application could come within a couple of years in thetextile industry, which releases countless tons of waste water into theenvironment every year. "This work opens the door to u...Common Food Dye Can Cause Severe Allergic Reactions
...y to be made into dye. The extract is used to dye food, drinks, cosmetics and fibers various shades of red, orange, pink and purple. Through a bit of medical detective work, U-M allergist James L. Baldwin, M.D., confirmed that cochineal extract triggered life-threatening anaphylactic shock in a...Columbia Researchers Identify Gene For Inherited Baldness
...ach to design ways to grow hair, remove hair, even dye hairgenetically and -- best yet -- this can all be accomplished topically, reducingpossible side effects." Dr. Christiano's team noticed striking similarities between hairlessmice that have been used in dermatology research for nearly...New Research Suggests REM Is About Eyes Not Dreams
...ed, Maurice stained the aqueous with a fluorescent dye and charted itscurrents. In a closed eye, freshly secreted unstained aqueous from behind theiris accumulated in front of the pupil as a dark pool. But when the eye opened,the pool quickly rose within the anterior chamber and began to circulate. It ha...PEBBLEs Help U-M Scientists Open A Window On Cell Chemistry
... the PEBBLE's pores. According to Clark, each dye is specific for, or will bind to, just one type of...very small quantities of its target substance, the dye in the PEBBLE glows when activated by a specific wavelength of light. As the concentration of the t...... specific molecules, glows when light hits it. The dye transforms the vesicle's chemicals into beacons. The dye fastens to several different molecules perhaps all the nouns in the cellular message b......sheath," says Balice-Gordon. "We usedintracellular dye injections in cultures of myelinating cells and videomicroscopy to directly demonstrate that this short-cut exists." In labs all over the world, about 160 mutations have been discovered forconnexin32. One group of mutated proteins can still f...UCSF Study Finds No Association Between Hair Dye And Non-Hodgkin Lymphoma
...ten based on a smallnumber of people who used hair dye and got lymphoma." She cited a 1992 study tha... NHL. "The results of our study indicate that hair dye use is an unlikely risk factorfor non-Hodgkins lymphoma and this should prompt researchers to focus ...Technique Measures Muscle Contraction At Molecular Level
...ct color when excitedby a laser beam. If a regular dye is attached to a different part of themolecule, some of the metal atom's energycan be transferred to the dye, which then emits light of its own distinct color.By looking at the relative signalstrengths of the two probes, the researchers can tell how ...Recent USGS Work In New England And Beyond
...ds-oninstruction in stream gauging and fluorescent dye tracing for measuring streamdischarge. Two students from the program are working part-time on Districtprojects and receiving training in basic USGS field, office, and laboratoryprocedures. Across the state, the USGS has been informally assisting se...When is a pollinator not a pollinator? Tales from an insect crime scene...
...ransfer between the scarlet giliaplants by placing dye particles on flowers to imitate pollen. The number of dyeparticles deposited on flowers were compared in plants with low and high robbingrates. This was associated with the amount of pollen transferred bypollinators. The researchers found that hig...Factor for acquiring skin barrier function identified
.... WhenSegre immersed these newborn mice in a blue dye solution, they absorbed the dye,turning blue insid...kout mice never achieved the ability toprevent the dye from entering their bodies, leading the researchers to believethat Klf4 must be a crucial factor for...Researchers pave the way to protein therapy in humans
...ke by cells could be monitored. The compound was a dye calledfluorescein, which turns green when exposed to fluorescent lighting. It normallydoesn't enter cells because of its size-- 2,000 daltons compared with the 500dalton limit placed on most drugs. The researchers injected mice with this comb...Evergreens help block pesticide from crop fields
...de. He sprayed them with dye at windspeeds ranging from 1.5 ... 3.5 meters per second, and measured the amount of dye captured. Evergreens -- plants such as pine trees which ...Injured spinal neurons reach out to each other, but not to healthy neighbors
...s into single injured motor neurons and looked for dye passing to other motor neurons. In this way, the researchers were able to assess whether the cells were directly connected by gap junction bridges. They found that the injured cells were connected by gap junction bridges and that they established the......the location and intensity of light emitted by the dye indicates which genes are active and how active they are. To promote further studies using the powerful Affymetrix technology a consortium of over 50 scientists from leading laboratories has been established to rapidly assess genetic changes in Hunt...Ancient mediterranean port city may have been holy land way station
...d in the harbor that were likely used to produce a dye known as "Tyrean Purple," made from marine snails,...in the fourth century B.C. to produce the valuable dye and export it to nearby port cities via boats. Because of a lack of written history at Aperlae, Hoh...Simple and inexpensive, an artificial nose senses smell by seeing colors
...int a series of tiny dots each dot is a different dye on an inert backing such as paper, plastic or glass. The array is then scanned with an ordinary flatbed scanner or an inexpensive electronic camera before and after exposure to an odor-producing substance. "By subtracting the 'before' image from...