Tag Archives | molecular

ecoli

Vaccine developed for E. coli diarrheal diseases

A researcher from Michigan State University (MSU) has developed a working vaccine for enterotoxigenic E. Coli, which is responsible for the deaths of 2 to 3 million children each year in the developing world. It also causes health problems for U.S. troops serving overseas and is responsible for what is commonly called traveler’s diarrhea. “This […]

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cell_memory

Evidence of “Memory” In Molecular Interactions




Evidence has been uncovered that some molecular interactions on cell surfaces may have a “memory” that affects their future interactions. The intriguing new findings, reported in the Proceedings of the National Academy of Sciences could lead to a re-examination of previous results from single-molecule research. In the past, researchers using sequentially repeated tests to obtain […]




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jigsaw_piece

When A Bad Fit Improves Accuracy




Molecular “computations” are essential for the survival of all organisms. To work, the molecules must pinpoint and then bind to specific counterparts while swimming in a thick, erratic molecular stew – a bit like finding a friend in a busy subway station during rush hour. In the traditional view of molecular recognition, the binding molecules […]




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sci_beakersdropper

New Sorting Algorithm Aims To Sift Through All Possible Molecules




One of the problems in molecular synthesis is that there simply “aren’t enough atoms in the universe to make all the reasonable-sized molecules that could be made,” explains Duke University chemistry professor David Beratan. To help sift through this giant haystack, he’s investigating a new computer method that could help scientists identify the best molecules […]




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walking_molecule

Novel “Walking” Molecule Mooted For Nano-Abacus




A novel molecule that “walks” like a human could be a key component in future molecular computers. The molecule, known as 9,10-dithioanthracene (DTA), has two linkers that the researchers say act as feet. It obtains energy from heat supplied to it and then moves in a way so that only one of the linkers is […]




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water

Shedding Light On The Hydrogen Economy




A technique that uses photochemical molecular devices to produce hydrogen gas from water could be an important step on the way to seeing the widespread use of hydrogen as a power source in the future. The chemists from Virginia Tech (VT) presented their research yesterday at the national meeting of the American Chemical Society in […]




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complexmachine

New Type Of Molecular Motor Suggested




Compared to the specialized chemistry that powers the muscles and cellular motors of the human body, the micro-machines built by scientists today look pretty crude. But that may be about to change thanks to a new theory outlining how molecular machines can be driven individually (using only one molecule) by applying an electric current that […]




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