News tagged with nodes
Greedy Routing Enables Network Navigation Without a 'Map'
Feb 17, 2009 |
4.6 / 5 (20) |
6
(PhysOrg.com) -- How does an e-mail get routed so quickly to its recipient's inbox, or a search query generate relevant Web pages from servers from around the world? Navigating the Internet - or any similar ...
Internet Growth Follows Moore's Law Too
Jan 14, 2009 |
4.2 / 5 (23) |
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(PhysOrg.com) -- Originally, Moore’s Law described the number of transistors that can fit on an integrated circuit, which doubles approximately every 18 months. Now, a team of researchers from China has discovered ...
New origin found for a critical immune response
Mar 01, 2009 |
4.4 / 5 (8) |
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An immune system response that is critical to the first stages of fighting off viruses and harmful bacteria comes from an entirely different direction than most scientists had thought, according to a finding by researchers ...
Nanoparticles Detect and Purge Metastases in Lymph Nodes
Nanotechnology / Bio & Medicine
Oct 30, 2009 |
5 / 5 (6) |
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Colonoscopy represents one of the great weapons against cancer. In one step, a physician can find precancerous lesions in the colon and then cut them out, an on-the-spot intervention that prevents cancer from developing. ...
Researchers identify gene that regulates breast cancer metastasis
Oct 05, 2009 |
5 / 5 (1) |
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Researchers at The Wistar Institute have identified a key gene (KLF17) involved in the spread of breast cancer throughout the body. They also demonstrated that expression of KLF17 together with another gene (Id1) known to ...
Research puts a 'Fas' to the cause of programmed cell death
Sep 30, 2009 |
4.7 / 5 (3) |
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Walter and Eliza Hall Institute researchers have put an end to a 10-year debate over which form of a molecular messenger called Fas ligand is responsible for killing cells during programmed cell death (also ...
Golden Nanotubes Used for Imaging Agent to Detect Tumor Cells, Map Sentinel Lymph Node
Nanotechnology / Bio & Medicine
Aug 26, 2009 |
not rated yet |
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(PhysOrg.com) -- Biomedical researchers at the University of Arkansas and University of Arkansas for Medical Sciences in Little Rock have developed a special contrast-imaging agent that is capable of molecular ...
Green tea extract shows promise in leukemia trials
May 26, 2009 |
4.8 / 5 (4) |
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Mayo Clinic researchers are reporting positive results in early leukemia clinical trials using the chemical epigallocatechin gallate (EGCG), an active ingredient in green tea. The trial determined that patients with chronic ...
New technique may help detect potential breast cancer spread
May 08, 2009 |
5 / 5 (2) |
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A new phase III clinical trial of early stage breast cancer patients has shown that a molecule designed to home in on nearby lymph nodes is just as accurate as current techniques, but faster, more specific and easier to use.
Wireless sensors learn from life
Aug 25, 2008 |
3.6 / 5 (8) |
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(PhysOrg.com) -- European and Indian researchers are applying principles learned from living organisms to design self-organising networks of wireless sensors suitable for a wide range of environmental monitoring purposes.
Dual-Mode Nanoparticles Image Tumors Using MRI and PET
Nanotechnology / Bio & Medicine
Aug 15, 2008 |
4.3 / 5 (14) |
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Medical imaging represents one of the most used and useful procedures in the oncologist’s diagnostic toolkit, even though each of the most useful techniques—magnetic resonance imaging (MRI), computerized tomography x-ray ...
Researchers locate and image prostate cancer as it spreads to lymph nodes
Jul 11, 2008 |
4.9 / 5 (17) |
1
Using an engineered common cold virus, UCLA researchers delivered a genetic payload to prostate cancer cells that allowed them, using Positron Emission Tomography (PET), to locate the diseased cells as they spread to the ...
Seeing family for the holidays? Scientists discover how the stress might kill you
Nov 30, 2009 |
5 / 5 (3) |
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If you ever thought the stress of seeing your extended family over the holidays was slowly killing you -- bad news: a new research report in the December 2009 print issue of the Journal of Leukocyte Biology shows that you mi ...
Cell study explains why younger people more at risk of vCJD
Oct 14, 2009 |
5 / 5 (3) |
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Specific cells within the immune system could help explain why younger people are more susceptible to variant CJD, scientists believe.
Predicting cancer prognosis
Aug 27, 2009 |
not rated yet |
0
Researchers led by Dr. Soheil Dadras at the Stanford University Medical Center have developed a novel methodology to extract microRNAs from cancer tissues. The related report by Ma et al, "Profiling and discovery of novel ...
