Mitochondria are often referred to as the powerhouses of our cells, because they generate chemical energy similar to that obtained from a battery. Whether it's a brain, muscle or plant cell, nano-sized gateways control the activity of the mitochondrial battery, by carefully allowing certain proteins and other molecules to enter into our mitochondria. Some of these proteins are large and complex molecules, yet they are essentially "spirited" into from the cytoplasm into the mitochondria, while the mitochondrial membrane remains water-tight and intact. How this happens has confounded science for decades.
Self-assembled DNA nanostructures can be used in molecular-scale diagnostics and as smart drug-delivery vehicles.
With a new federal grant of nearly $10.8 million over the next five years, Brown University researchers and students in the Superfund Research Program (SRP) will be able to advance their work studying how toxicant exposures affect health, how such exposures occur, how nanotechnologies could contain contamination, and how to make sure those technologies are safe.
Machines that are much smaller than the width of a human hair could one day help clean up carbon dioxide pollution in the oceans. Nanoengineers at the University of California, San Diego have designed enzyme-functionalized micromotors that rapidly zoom around in water, remove carbon dioxide and convert it into a usable solid form.
Chemists at the University of Montreal used DNA molecules to developed rapid, inexpensive medical diagnostic tests that take only a few minutes to perform. Their findings, which will officially be published tomorrow in the Journal of the American Chemical Society, may aid efforts to build point-of-care devices for quick medical diagnosis of various diseases ranging from cancer, allergies, autoimmune diseases, sexually transmitted diseases (STDs), and many others.
Rice University is preparing to invest over $150 million in strategic initiatives aimed at increasing its research competitiveness, establishing a world-renowned program in data sciences and bolstering its position as one of the leading centers for molecular nanotechnology research.
EPFL scientists have developed a method that improves the accuracy of DNA sequencing up to a thousand times. The method, which uses nanopores to read individual nucleotides, paves the way for better - and cheaper - DNA sequencing.
Urinary tract infections (UTIs) could be treated more quickly and efficiently using a DNA sequencing device the size of a USB stick - according to research from the University of East Anglia.
Commercial fluorescence activated cell sorters have been highly successful in the past 40 years at rapidly and accurately aiding medical diagnosis and biological studies, but they are bulky and too expensive ($200,000 -$1,000,000) for many labs or doctors’ offices. Most significantly, these types of cell sorters can present biohazard concerns for operators and may damage cells or alter their properties, making them unfit for further study. To address these issues, researchers at Penn State have developed a new lab-on-a-chip cell sorting device based on acoustic waves.
Technique developed by NUS-led team provides more precise understanding of how proteins in the bloodstream bind to nanoparticles, paving the way for better design of nanomedicines
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