Using an ultra fast-scanning atomic force microscope, a team of researchers from the University of Basel has filmed “living” nuclear pore complexes at work for the first time. Nuclear pores are molecular machines that control the traffic entering or exiting the cell nucleus. In their article published in Nature Nanotechnology, the researchers explain how the passage of unwanted molecules is prevented by rapidly moving molecular “tentacles” inside the pore.
If using a single atom to capture high-resolution images of nanoscale material sounds like science fiction, think again.
A programmable DNA thermometer, 20,000 times smaller than a strand of human hair, has been developed by researchers at the University of Montreal. This scientific discovery was recently reported in Nano Letters, and is likely to help the understanding of both human designed and natural nanotechnologies by carrying out temperature measurement at the nanoscale.
A team of researchers at the Energy Department's National Renewable Energy Laboratory (NREL) recently identified that single-walled carbon nanotube semiconductors can be beneficial for photovoltaic systems because the semiconductors are capable of transforming sunlight to electricity or fuels without losing a lot of energy.
The unique identifying number provided for every single phone enables text messages and phone calls to reach individuals wherever they are situated. A similar cell principle has been used by researchers from the Georgia Institute of Technology to track cells sorted on microfluidic chips.
Scientists at the U.S. Naval Research Laboratory (NRL) have devised a clever combination of materials - when used during the thin-film growth process - to reveal that particle atomic layer deposition, or p-ALD, deposits a uniform nanometer-thick shell on core particles regardless of core size, a discovery having significant impacts for many applications since most large scale powder production techniques form powder batches that are made up of a range of particles sizes.
Jeffrey Grossman believes that for a very long time we have been observing coal from a totally wrong perspective. He stresses the necessity to explore the real value of the complex chemistry and diversity of the material, instead of just ignoring its molecular complexity and setting it afire. Grossman and his team of researchers highlighted the possibility of coal becoming the foundation for electronic devices, batteries, or solar panels.
The first facility built for nanoscience in Australia is launched at the University of Sydney today. The Australian Institute for Nanoscale Science and Technology is the most advanced facility for nanoscience in the region.
Scientists from the United Kingdom and Germany have undertaken studies on magnetic nanovortices present in magnetite minerals. They reveal that these structures are reliable witnesses of the earth's history. The structures are constructed in the molten rock cooling process, and during their formation the magnetic structures reflect the magnetic field of the earth.
Growing crystalline film layers, also known as epitaxy, are templated using a crystalline substrate. Epitaxy is considered to be the foundation to develop semiconductors and transistors. If the material in onr deposited layer is the same as the material present in the next layer, it energetically helps the formation of firm bonds between perfectly matched, highly arranged layers. In comparison to this, it is extremely difficult to even attempt to layer dissimilar materials when the crystal lattices fail to easily match. In this case, weak van der Waals forces develop attraction but do not develop firm bonds between unlike layers.
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