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Sculpting flow - making waves at the microscopic level

Researchers report on a new way of sculpting tailor-made fluid flows by placing microscale pillars in microfluidic channels. The method could allow clinicians to better separate white blood cells in a sample, increase mixing in industrial applications, and more quickly perform lab-on-a-chip-type operations.

Posted: Jul 12th, 2013

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Novel quantum dot-based technique sees 100 different molecules in a single cell

Better diagnosis and treatment of cancer could hinge on the ability to rapidly map out networks of dozens of molecules in individual tumor cells. New research from the University of Washington offers a more comprehensive way of analyzing a single cell's unique behavior and could reveal patterns that indicate why a cell will or will not become malignant.

Posted: Jul 12th, 2013

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Nanoparticles help disrupt tumor blood supply, destroy tumors

Researchers have shown that they can use a gold nanoparticle tumor necrosis factor-alpha system to enhance the effects of either thermal therapy or cryosurgery. Moreover, they demonstrated that they can use standard magnetic resonance imaging technology to visualize tumor destruction.

Posted: Jul 12th, 2013

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Boosting immune therapy for cancer with nanoparticles

Activating the body's immune system to attack cancer and prevent it from recurring is one of the Holy Grails of cancer research because of its ability to specifically target cancer and to search almost anywhere in the body for rogue tumors. While the field has made some progress, and immune therapy for malignant melanoma and prostate cancer is proving its value in the treatment of human disease, it appears that no one general approach is going to work in all types of cancer. Two recent papers show how nanoparticles could become important tools for stimulating the immune system to respond to cancer.

Posted: Jul 12th, 2013

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'Nanotrain' targets tumors with anticancer agents

Investigators at the University of Florida have developed what they are calling a 'DNA nanotrain' that fast-tracks its payload of cancer-fighting drugs and bioimaging agents to tumor cells deep within the body. These nanotrains have the potential to cost-effectively deliver high doses of drugs to precisely targeted cancers using biocompatible materials that fall apart into non-toxic components once their payload is delivered.

Posted: Jul 12th, 2013

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One nanoparticle plus one antibody equals targeted drug delivery to tumors

Herceptin and camptothecin are both powerful anticancer agents with key characteristics that limit their effectiveness in treating cancer. Patients treated with Herceptin, a monoclonal antibody that targets a growth promoting factor common to breast cancers, often relapse as their tumors become resistant to the drug. Overcoming camptotheci's toxicity and low solubility represent major therapeutic challenges. Now, researchers have used nanotechnology to combine the two into what so far appears to be a highly effective drug for treating aggressive breast cancer.

Posted: Jul 12th, 2013

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Scientists find link between quantum physics and game theory

While research tends to become very specialized and entire communities of scientists can work on specific topics with only a little overlap between them, physicist Dr Nicolas Brunner and mathematician Professor Noah Linden worked together to uncover a deep and unexpected connection between their two fields of expertise: game theory and quantum physics.

Posted: Jul 12th, 2013

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Nanoengineered capsules delivering huge results

University of Melbourne researchers have developed an efficient system to coat tiny objects, such as bacterial cells, with thin films that assemble themselves which could have important implications for drug delivery as well as biomedical and environmental applications.

Posted: Jul 12th, 2013

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Program helps university to boost minorities in nanotechnology fields

A subcontract from Clarkson Aerospace, through the U.S. Air Force - Air Force Research Laboratory Sensors Directorate is helping boost minorities in nanotechnology, analysis and intelligence fields through the University of Dayton School of Engineering Nanotechnology-Focused Minority Analyst Project.

Posted: Jul 12th, 2013

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Imperfect graphene renders 'electrical highways'

Combining experiment and theory, Cornell researchers have moved a step closer to making graphene a useful, controllable material. They showed that when grown in stacked layers, graphene produces some specific defects that influence its conductivity.

Posted: Jul 11th, 2013

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