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A team of researchers in Japan has developed a technique for improving the free electron lasers (FELs) approach
The post Researchers find a way to improve FELs approach used to study Photosystem II in plants has been published on Technology Org.
Nearly three years ago, a company called Oxford Nanopore made waves when it announced the development of DNA sequencing technology that was simple and compact enough to fit on a USB stick. The intervening years have been filled with product delays and apparent problems with read accuracy. This morning, however, a paper is being released that relies on the technology, and while the technology still has problems, it can help provide some medically relevant information.
Most methods of studying DNA perform what's called "sequencing by synthesis." They make a new copy of the DNA strand being sequenced, keeping track of which base is added to each location. This is highly effective, but it requires the use of consumables: each base added has to be supplied to the reaction, as does the enzyme that does the adding. All of this adds to the cost of the sequencing reaction, and it places a limit on how cheap we can make the process of sequencing a genome.
Oxford Nanopore's method is fundamentally different. Instead of adding new bases, the DNA strand to be sequenced is stuffed through a protein with a hole in the middle. As each base passes through this pore, its electrical properties are read, allowing the hardware to determine which base is going by. Although the pore will have a finite lifetime, the process doesn't need any specialized chemicals or enzymes and therefore has the potential to be very cheap.
Animals looking for food or light waves moving through turbid media – astonishing similarities have now been found
Researchers at AMBER, the Science Foundation Ireland funded materials science centre, and the School of Chemistry, Trinity College
The post Researchers develop multilevel memory for consumer electronics has been published on Technology Org.