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Orbital Magnetization of Quantum Spin Hall Insulator Nanoparticles P. Potasz
Orbital Magnetization of Quantum Spin Hall Insulator Nanoparticles P. Potasz

... is placed in a crystal. Circulating currents in artificially patterned mesoscopic quantum rings[2], studied in the last three decades[3, 4], require very special conditions to survive, such as very low temperatures so that the electrons keep their phase coherence around the entire ring, and small di ...
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Transcript 2

... bacteria. The resistant bacteria figured out another way to get folic acid that doesn’t use the intermediate that the sulfonamide inhibits. There can be decreased permeability. The bacteria have genes that synthesize proteins or other components of the envelope that prevent the drug from getting in. ...
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Magnetotactic bacteria

Magnetotactic bacteria (or MTB) are a polyphyletic group of bacteria discovered by Richard P. Blakemore in 1975, that orient along the magnetic field lines of Earth's magnetic field. To perform this task, these bacteria have organelles called magnetosomes that contain magnetic crystals. The biological phenomenon of microorganisms tending to move in response to the environment's magnetic characteristics is known as magnetotaxis (although this term is misleading in that every other application of the term taxis involves a stimulus-response mechanism). In contrast to the magnetoception of animals, the bacteria contain fixed magnets that force the bacteria into alignment — even dead cells align, just like a compass needle. The alignment is believed to aid these organisms in reaching regions of optimal oxygen concentration.
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