Biological Sciences
A method using propidium iodide staining of the nuclei improves cell counting accuracy and safety.
| 4 min read
A variety of cell line characterization methods have been useful in the detection of cross-contamination and/or misidentification of cell lines. These include karyotyping, isoenzyme analysis, DNA properties, viral susceptibility, and specific antigenicity.
| 2 min read
Researchers design a pair of innovative new gene chips that can identify variations in both DNA sequence and gene copy number.
| 3 min read
A Florida State University researcher who uses high-powered computers to map the workings of proteins has uncovered a mechanism that gives scientists a better understanding of how evolution occurs at the molecular level.
| 2 min read
Two research institutions are working together to tackle the role of aerosols in climate change -- specifically how aerosols from pollution, oceans and wildfires contribute to shifting weather.
| 3 min read
Biologists and mathematicians from around the world will take part in a new institute dedicated to bringing top researchers together to find creative solutions to pressing problems in both scientific fields.
| 3 min read
Scientists at the U.S. Department of Energys (DOE) Brookhaven National Laboratory have discovered a fundamental shift in an enzymes function that could help expand the toolbox for engineering biofuels and other plant-based oil products.
| 3 min read
The funding of a network of nine centers that will use high tech screening methods to identify small molecules for use as probes to investigate the diverse functions of cells was announced Tuesday by the National Institutes of Health (NIH).
| 2 min read
In a feat of biological prestidigitation likely to turn the field of regenerative medicine on its head, Harvard Stem Cell Institute (HSCI) co-director Doug Melton and post doctoral fellow Qiao "Joe" Zhou report directly turning one type of fully formed adult cell into another type of adult cell.
| 2 min read
MIT engineers report a new approach to identifying protein structures key to Alzheimer's disease, an important step toward the development of new drugs that could prevent such structures from forming.
| 3 min read
Magnetic resonance imaging (MRI) isn't just for capturing detailed images of the body's anatomy. Thanks to novel imaging reagents and technology developed by Carnegie Mellon University scientist Eric Ahrens, MRI can be used to visualize with "exquisite" specificity cell populations of interest in the living body.
| 3 min read
Bedsprings aren't often found in biology. Now, chemists have succeeded in making a layer of tiny protein coils attached to a surface, much like miniature bedsprings in a frame.
| 3 min read
