Nanopore biosensors are tiny devices that can be used to detect and analyze molecules by passing them through a small hole in a material. The electrical signals that are generated when molecules pass through the pores can be used to identify and measure the properties of the molecules.
However, nanopore biosensors can be difficult to design because the size of the pores and the thickness of the material can affect the sensitivity and accuracy of the device. The new design method developed by the Berkeley researchers allows for the precise control of these parameters, which could lead to the development of improved nanopore biosensors.
"Our new design method provides a way to create nanopores with controlled sizes and shapes, which is important for optimizing their performance," said study lead author Professor Adam Cohen. "This could open up new possibilities for using nanopore biosensors in a variety of applications, such as medical diagnostics and drug discovery."
The researchers demonstrated the effectiveness of their new design method by creating nanopores in a thin layer of graphene. They were able to control the size and shape of the pores with high precision, and they showed that the nanopores could be used to detect and analyze DNA molecules.
The study, which was published in the journal Nature Nanotechnology, is a significant step forward in the development of nanopore biosensors. The new design method could lead to improvements in the sensitivity and accuracy of these devices, and it could open up new possibilities for their use in a variety of applications.
Source: University of California, Berkeley
