LONDON – With the copying copier at the office, the scientists then created a printer or printing machine that can produce coffee Nanoscale-sized images of biological cells or very small.
University of Illinois scientist who developed this cell copier mention, the prints of biological cells can be very helpful in making artificial tissues.
“By modifying the technique, it would be possible to manipulate biological cells or cell biomolecules such as DNA,” said study team leader John Rogers, as quoted from New Scientist,
Electrohydrodynamic jet printer made in their work by producing different electric voltage between the metallic nozzle and the substrate beneath. Results from the electrical voltage causes the charge of ions in the ink in the nozzle assembly and the surface is formed like a crescent moon.
Because the ions repel the charge, the surface of the crescent and then will change the shape into a cone shape, produces super-thin edge where the smallest ink droplets expelled small.
This process produces an imbalance in the quantity of negative and positive ions in printing inks. However, team members realized that by changing the voltage polarity, they can solve these problems and can also print a variety of complex patterns of negative or positive charge into the substrate. In essence, this ability is needed to make coffee biological cells of complex and very small.
