Tag: "color" at biology news
Commandeering cellular machinery: recognition mechanism to detect small molecules
...s them and put them into a device where there is a color
change or another signal produced, we could potentially detect small molecules in a robust way that could complement or replace other detection technologies," he explained. The same technology could also be used to produce enzymes, and to regulate me...
How roots control plant shoots
...n in daffodil flowers and the substance that gives color
and flavor to saffron, a spice from crocus flowers. Details of the Experiments In the study, the biologists discovered the BPS1 gene and then demonstrated that it is required to prevent a plant from constantly producing the carotenoid byproduct th...
'Immediately open access' option for the leading journal Genome Research
...ing fees from companies, and author surcharges for color
art and page use. If authors alone bore the entire cost of publication, the charge required would be beyond all but the most well-funded scientists, excluding work from many exceptional laboratories worldwide." Its diversity of financial support is ...
World's top theoretical physicists converge to consider 'future of physics'
...th orange stucco bases, that match in material and color
the building's faade, support a multi-sectional awning, electronically operated to close selected panels to screen users from direct sunlight, while leaving other sections open to maintain a sense of airy, outdoors environment. The courtyard's ter...
Biomedical engineers at case develop first sliver-sized sensor to monitor glucose levels
...other bodily fluid levels with the help of simple color
changes. Colors in the tiny sensor, which is smal...ed point the researchers in the direction of using color
changing molecules to detect ionic levels as they vary with changes in glucose. According to Gratzl,...
Calorie restriction leads to some brain benefits but not others in mice
... were injected with a fluorescent dye that changes color
when it interacts with a free radical called superoxide. The researchers studied brain slices from the three groups to measure levels of superoxide in specific areas of the brain. Old mice fed normal diets had significantly more superoxide in several...
Genetically endowed worm may substitute for rodents in some toxicology testing
...dman's lab and others to make various cells change color
or emit a fluorescent glow in the presence of a to...ach animal's length, as well as its diameter, age, color
and general health. Then the biosorter dispenses the right worms into the correct wells for a specif...
Automated scans let scientists track drugs' broad effects on cells
...ountiful data into an "average" denoted by dots of color
on a grid, cytological profiling preserves individual data points -- so researchers can go back and analyze fine-grain information. "By allowing quantitative measurement of many proteins and structures in cells over many samples, and systemat...
New tool highlights activity of key cellular signal
...nother when they are close together, affecting the color
of light emitted -- a phenomenon called fluorescen...nce between the fluorescent molecules changes, the color
of light emitted may change as well. In the early 1990s, biologists began harnessing this phenome...
Study shows stem cells can preserve vision
...in low light, and cones, which are responsible for color
and high-acuity vision. In diseases such as macula...all their tissues are fluorescent green. The green color
makes it possible to detect where the transplanted cells are and how they are growing and changing. ...
Citrus shows promise for certain childhood cancer
... and limonoids nutrient-packed pigments that give color
and taste to fruit may work against cancer in any of three ways: prevent it from forming, slow the growth of existing cancer, or kill cancer cells. "The limonoids, which differ structurally from flavonoids, seem to do all three," he said of...
New system reduces risk of burns during interventional X-rays
...een," he said. As the dose accumulates, the color
on the display changes from green, which is acceptable, through yellow to red, which is a signal that the patient could be receiving too much radiation. This visualization of the X-ray beam and its location with reference to a graphic model of...
Researchers compare chicken, human genomes
...at codes for an enzyme involved in generating blue color
pigments, while mammals are lacking that gene. Besides providing insights into gene content and evolution of genes, the consortium's analysis offers new perspectives on the evolution of portions of the genome that do not code for proteins. Less tha...
UCSB makes important advances in studies of retinal detachment
...come including reduced visual acuity or changes in color
vision," said Lewis. Photoreceptors in the eyes are among the most highly metabolic cells in the body, using more energy than any others. Because of this, the UCSB researchers decided to test the use of extra oxygen to help maintain the cells after a...
Exploring ocean life and color on the internet
...hers to access and analyze satellite-derived ocean color
data. Ocean color
data provides students with information about ocean biology by looking at phytoplankton through chan...
New model of rare childhood blindness holds promise for testing preventive therapies
... vision in low light and cones are responsible for color
vision. LCA, which occurs in about one in 100,000 births, causes rods and cones to degenerate. The researchers previously reported a potential role of the AIPL1 gene in rod and cone formation. However, the St. Jude-Columbia team demons...
Where the brain harbors unconscious fears
...the volunteers only that they were to identify the color
of the faces they would see. The researchers then presented the volunteers with either fearful faces or neutral faces as a control. To measure conscious processing of the fearful faces, the researchers simply showed the subjects the faces. To elicit ...
Case announces launch of gene expression analysis software
...tively view, zoom in, label, and generate lists of color
coded genes that were significantly up-regulated or down-regulated. Sanford Markowitz, M.D., the Ingall Professor of Cancer Genetics at the Case Western Reserve University School of Medicine and University Hospitals of Cleveland and an investigator...
Chromosome 16 publication fulfills DOE's human genome commitment
...ddition to the research article in Nature, a large color
poster highlighting biologically important elements of all three chromosomes sequenced by JGI along with DOE's other contributions to genomics is featured in the publication. "The success of the Human Genome Project was enabled by the selfless dedica...
Cells don festive holiday colors
...angerine, tomato, orange, banana and honeydew. The color
spectrum would make Pantone proud. No, Tsien's gro...plicated properties, such as the ability to change color
under different conditions. His ultimate goal, he said, is to broaden the range of tools that biolog...
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