(Phys.org) —Fluorescence imaging is the most widely used method for analyzing the molecular composition of biological specimens. Target molecules, when they are present, can be "tagged" with a fluorescent label and made ...
Optics & Photonics
Sep 27, 2013
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A handheld diagnostic device that Massachusetts General Hospital (MGH) investigators first developed to diagnose cancer has been adapted to rapidly diagnose tuberculosis (TB) and other important infectious bacteria. Two papers ...
Bio & Medicine
May 5, 2013
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The brain is forever chattering to itself, via electrical impulses sent along its hard-wired neuronal "Ethernet." These e-messages are translated into chemical transmissions, allowing communication across the narrow cleft ...
Biochemistry
Nov 23, 2010
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(PhysOrg.com) -- Imagine being able to drop a toothpick on the head of one particular person standing among 100,000 people in a stadium. It sounds impossible, yet this degree of precision at the cellular level has been demonstrated ...
Nanophysics
Jul 7, 2010
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Influenza is and remains a disease to reckon with. Seasonal epidemics around the world kill several hundred thousand people every year. In the light of looming pandemics if bird flu strains develop the ability to infect humans ...
Feb 4, 2009
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Each cell in the body has its own unique delivery system that scientists are working on harnessing to move revolutionary biological drugs—molecules like proteins, RNA and combinations of the two—to specific diseased parts ...
Biotechnology
Jul 24, 2024
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Imagine a scenario where a skilled hacker must upload critical software to update a central server and thwart a potentially lethal virus from wreaking havoc across a vast computer network. The programmer, armed with the lifesaving ...
Bio & Medicine
Jul 9, 2024
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An interdisciplinary collaboration has designed a way to "cloak" proteins so that they can be captured by lipid nanoparticles, which are akin to tiny bubbles of fat. These bubbles are small enough to sneak their hidden cargo ...
Bio & Medicine
May 28, 2024
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The intracellular delivery of proteins is an important technique for unveiling the cellular functions, protein complex structure, and therapeutics. However, conventional delivery methods have several limitations.
Bio & Medicine
May 20, 2024
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A multiprotein complex is essential for regulating cellular responses to oxygen deprivation, a key feature of cancer, according to a Northwestern Medicine study published in the Proceedings of the National Academy of Sciences.
Cell & Microbiology
May 2, 2024
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