News tagged with fluorescence microscopy

Imaging study shows HIV particles assembling around its genome

Medicine & Health / HIV & AIDS

Nov 17, 2009 | 5 / 5 (1) | 0

(PhysOrg.com) -- The genesis of one the planet's most lethal viruses, HIV, has been caught on tape. New imaging experiments show individual HIV genomes -- strands of RNA — docking on the inner membrane of an infected cell ...

Unique Uranium Source in Naturally Bioreduced Sediment

Space & Earth / Environment

Nov 18, 2009 | 4 / 5 (4) | 0

(PhysOrg.com) -- A recently published Pacific Northwest National Laboratory study of a naturally bioreduced sediment sample from a former uranium mill tailings site reveals insights that enhance understanding ...

Researchers create 'fly paper' to capture circulating cancer cells

Chemistry / Biochemistry

Nov 18, 2009 | 4 / 5 (5) | 1

Just as fly paper captures insects, an innovative new device with nano-sized features developed by researchers at UCLA is able to grab cancer cells in the blood that have broken off from a tumor.

Findings could speed the development of drugs for Parkinson's disease

Medicine & Health / Neuroscience

Nov 18, 2009 | 5 / 5 (2) | 0

Australian scientists have significantly advanced our understanding of dopamine release from nerve cells, findings that should speed the development of more effective drugs for treating Parkinson's Disease.

Small nanoparticles bring big improvement to medical imaging

Nanotechnology / Bio & Medicine

Nov 18, 2009 | 5 / 5 (3) | 0

If you're watching the complex processes in a living cell, it is easy to miss something important—especially if you are watching changes that take a long time to unfold and require high-spatial-resolution ...

New effort probes how two groups of viruses cause disease

Biology / Cell & Microbiology

Nov 18, 2009 | not rated yet | 0

(PhysOrg.com) -- Purdue University is leading a team of researchers in a federally funded effort aimed ultimately at developing better vaccines and antiviral drugs against two types of disease-causing viruses ...

Researchers take the lead out of piezoelectrics

Physics / Condensed Matter

Nov 13, 2009 | 3 / 5 (2) | 0

There is good news for the global effort to reduce the amount of lead in the environment and for the growing array of technologies that rely upon the piezoelectric effect. A lead-free alternative to the current ...

Hoping for a fluorescent basket case: How HIV is assembled and released from infected cells

Biology / Cell & Microbiology

Nov 12, 2009 | not rated yet | 0

Although recent advances have raised hopes that a protective vaccine can be developed, acquired immunodeficiency syndrome (AIDS) remains a major public health problem. Much has been learned about HIV-1, the virus that causes ...

Understanding mechanical properties of silicon nanowires paves way for nanodevices

Nanotechnology / Nanomaterials

Nov 11, 2009 | 3.3 / 5 (3) | 0

Silicon nanowires are attracting significant attention from the electronics industry due to the drive for ever-smaller electronic devices, from cell phones to computers. The operation of these future devices, ...

Sculptured materials allow multiple channel plasmonic sensors

Physics / Optics & Photonics

Nov 10, 2009 | 5 / 5 (3) | 0

(PhysOrg.com) -- Sensors, communications devices and imaging equipment that use a prism and a special form of light -- a surface plasmon-polariton -- may incorporate multiple channels or redundant applications if manufacturers ...

Scientists develop DNA origami nanoscale breadboards for carbon nanotube circuits

Nanotechnology / Nanomaterials

Nov 10, 2009 | 5 / 5 (7) | 0

In work that someday may lead to the development of novel types of nanoscale electronic devices, an interdisciplinary team of researchers at the California Institute of Technology has combined DNA's talent ...

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