News tagged with resistant cells
Functional genomics gets tiny
A little more than a decade ago, researchers discovered an ancient mechanism that cells use to silence genes. Like a dimmer switch turning down a light, RNA interference (RNAi) dials down gene activity in ...
May 17, 2012 |
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Researchers have a natural sidekick that may resolve the antibiotic-resistant bacteria dilemma
Antibiotic-resistant bacteria continue to be a global concern with devastating repercussions, such as increased healthcare costs, potential spread of infections across continents, and prolonged illness.
Apr 25, 2012 |
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Detecting malaria early to save lives: New optical technique promises rapid and accurate diagnosis
Correctly and quickly diagnosing malaria is essential for effective and life-saving treatment. But rapid detection, particularly in remote areas, is not always possible because current methods are time-consuming ...
Apr 18, 2012 |
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Pacific Ocean natural products isolated from marine mollusks, sponges can reverse multidrug resistance in cancer cells
(Phys.org) -- Many marine natural products show anticancer activity, but some can reverse multidrug resistance in cancer cells. A new investigation by Robert J. Capon of the University of Queensland correlates ...
Apr 12, 2012 |
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Magnetic testing process helps ensure reliability of microelectronic devices
(Phys.org) -- Taking advantage of the force generated by magnetic repulsion, researchers have developed a new technique for measuring the adhesion strength between thin films of materials used in microelectronic ...
Apr 12, 2012 |
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'Nanobubbles' plus chemotherapy equals single-cell cancer targeting
Using light-harvesting nanoparticles to convert laser energy into "plasmonic nanobubbles," researchers at Rice University, the University of Texas MD Anderson Cancer Center and Baylor College of Medicine (BCM) ...
Nanotechnology / Bio & Medicine
Apr 09, 2012 |
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Nanoparticle-delivered RNA interference drug stops head and neck cancer growth
(Phys.org) -- A nanoparticle drug delivery vehicle for small interfering RNA molecules (siRNA), that is already being tested in human clinical trials, now shows promise for the treatment of head and neck cancer. Dong Shin, ...
Nanotechnology / Bio & Medicine
Apr 06, 2012 |
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Using game theory to understand the physics of cancer propagation
In search of a different perspective on the physics of cancer, Princeton University and University of California, San Francisco researchers teamed up to use game theory to look for simplicity within the complexity of the ...
Mar 27, 2012 |
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Using viruses to beat superbugs
Viruses that can target and destroy bacteria have the potential to be an effective strategy for tackling hard-to-treat bacterial infections. The development of such novel therapies is being accelerated in response to growing ...
Mar 26, 2012 |
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Study finds how bacteria resist a 'Trojan horse' antibiotic
A new study describes how bacteria use a previously unknown means to defeat an antibiotic. The researchers found that the bacteria have modified a common "housekeeping" enzyme in a way that enables the enzyme ...
Mar 19, 2012 |
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Plants use circadian rhythms to prepare for battle with insects
In a study of the molecular underpinnings of plants' pest resistance, Rice University biologists have shown that plants both anticipate daytime raids by hungry insects and make sophisticated preparations to ...
Feb 13, 2012 |
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Magnetic random-access memory based on new spin transfer technology achieves higher storage density
Solid-state memory is seeing an increase in demand due to the emergence of portable devices such as tablet computers and smart phones. Spin-transfer torque magnetoresistive random-access memory (STT-MRAM) ...
Feb 02, 2012 |
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Mighty mesh: Extracellular matrix identified as source of spreading in biofilms
New research at Harvard explains how bacterial biofilms expand to form slimy mats on teeth, pipes, surgical instruments, and crops.
Jan 23, 2012 |
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Overcoming cancer drug resistance with nanoparticles
One of the ways in which cancer cells evade anticancer therapy is by producing a protein that pumps drugs out of the cell before these compounds can exert their cell-killing effects. A research team at Northwestern University ...
Nanotechnology / Bio & Medicine
Jan 20, 2012 |
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Chemistry trick renews hope against killer diseases
As infections such as tuberculosis have become immune to an ever widening range of antibiotics doctors have looked on helplessly.
Dec 28, 2011 |
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