A better tool to study role of iron in Alzheimer's, Parkinson's
...o specific structures within the tissue. Electron microscopes don't work either because their tight resolution makes it impossible to search enough area to find the iron. "It would take you a career to look at one piece of tissue," Davidson said. To solve the problem, Davidson and Chris Batich, a professor of m...Sea coral's trick helps scientists tag proteins
...t, the light source of the laser-scanning confocal microscopes that researchers commonly use to peer into living cells can activate the tag, which should make the new tool useful to many scientists, said Sergey Lukyanov, whose lab reports on the Dendra tag in the April 2006 issue of Nature Biotechnology, publish...UC Davis study with mice links thimerosal with immune system dysfunction
...sregulation. Using fluorescent stains and powerful microscopes to study both immature and mature dendritic cells from bone marrow cultured under normal physiological conditions, the researchers discovered that extremely small levels of thimerosal interfere significantly with calcium channel function after just a...APS lecturer shows rare video of 'teacher-student' immune cell interactions in live animal
...ut particularly advanced and powerful multi-photon microscopes using infrared beams to image fluorescent cells in...ing the technology to study the immune system. The microscopes produce optical sections through solid organs, similar to a CT-scan. Hundreds, even thousands of the...Diverse sea 'bugs' revealed on landmark Atlantic cruise to census zooplankton
...pulsing jellyfish. With experts glued to their microscopes for three weeks, the cruise captured and identified an astonishing fraction of the species diversity known in the Atlantic Ocean. All of these specimens are in the queue for DNA barcoding: hundreds of species of the tiny shrimp-like animals, call...HHMI awards $86.4 million for undergraduate science education
...e program, undergraduates will build sophisticated microscopes and use them to study such areas as Drosophila or fruit fly developmental genetics, neurobiology and microbiology. Rice University in Houston, Texas, is creating Beyond Traditional Borders, a program that will train a new generation of students to...Hopkins researchers discover potential new approach to treating diabetes
...luorescently, the researchers saw under high-power microscopes that GCN5 carries its tagged target to a different location in the cell's nucleus sequestering it away from the genes it's normally meant to turn on. "GCN5 has been generally shown to turn on genes. No one knew that GCN5 could be used to turn off p...Johns Hopkins researchers find link between cell's energy use and genome health
... for survival. Further analysis with high-power microscopes revealed that this second enzyme, Asc2p, was residing - unexpectedly -- in the part of the cell housing its genetic material - its chromosomes - rather than in the part of the cell - the mitochondria -- that harvests energy from sugar. But why w...Blood clot fibers more elastic than spider's web
...m at Wake Forest created a device by combining two microscopes that could not only see the fibrin fibers but also stretch the fibers. The fibers were suspended across a channel and anchored to the ridges of the channel at right angles. The fibers were stretched using the tip of an atomic force microscope. Mov...New light microscope sharpens scientists' focus
... of a protein they wish to study. Ordinary optical microscopes can detect these molecules, although Hess describes their appearance under the microscope as "little fuzzy round balls." As Betzig's work in the early nineties had shown, pinpointing the center of these fuzzy balls can identify the location of the la...NIH funds 14 High-End Instrumentation grants
...srael Deaconess Medical Center. Two cryo-electron microscopes will also be funded, including one at Purdue University that will be used to study the structure of viruses. Mouse imaging studies at Massachusetts General Hospital will be advanced with the addition of a magnetic resonance (MR) microscope. Finally...ACS News Service Weekly PressPac -- August 30, 2006
...properties of silkworms A new generation of super microscopes is poised for scientific use Special Event: Regi...T 9 A.M., SEPT. 4, 2006 A new generation of super microscopes is poised for scientific use Chemical & Engineering News Super-high resolution optical microscope...Researchers image molecular motor structural changes
... up to 400,000 times their original size. Electron microscopes use beams of electrons instead of light to produce images. The images recorded on electron microscope films are two-dimensional, but three-dimensional structures of the proteins can be calculated by computer image processing. Keiko Hirose, Ph.D., a ......ghout the gut-contents material were analyzed with microscopes connected to computer screens to chart their size and routes, he said. The CU-Boulder researchers counted at least 10 cases of "paired burrows" sharing a common burrow wall in the dinosaur gut, and in several cases such burrows even match changes i...Cells, dyes and videotape: Online scientific methods journal incorporates multimedia
...are then captured and recorded using sophisticated microscopes equipped with cameras or other advanced imaging devices. Because the cells are carefully maintained under optimal growing conditions, scientists can visualize and accurately assess changes in a cell's physiology, morphology, or behavior. In the cur...Yale Cell Biologist Joel Rosenbaum, to receive Prestigious Wilson Award
...ace. Finally, in 1992, using new high-resolution microscopes in the laboratory of Paul Forscher, who had recently joined the department, Rosenbaums graduate student, Keith Kozminski, was first able to observe these elevators. He saw particles moving up and down the length of the flagella, between the membrane ...Rensselaer licenses microscope technology to Thorlabs
...tory workers have benefited greatly from automated microscopes that can outperform even the most skilled human op...operate 10-100 times faster than current automated microscopes without disturbing the specimen. The ASOM offers other advantages as well. The microscope can be p......on with another nerve cell. The researchers used microscopes to photograph nerve-cell axons by inserting a jellyfish gene into the worms to make the worms' neurons glow fluorescent green. The biologists found breaks as well as branching or inappropriate new growth cones ? signs of nerve-repair attempts ? in ...Magnetic resonance microscopy research lands professor NSF award
...py, confocal microscopy, x-rays, scanning electron microscopes and atomic force microscopy. "As the world moves to the nano scale, we're seeing a greater need for observations at that scale," Codd said. "But no single technique tells the whole story. Though very powerful, even MRM can't tell the whole story....... tool that makes images obtained with cutting-edge microscopes even sharper. The technological advance and its applications are published in this weeks online issue of the journal Nature Methods. Since the Single Plane Illumination Microscope (SPIM) was developed at EMBL in the early 2000s it has turned into one...