Measurements of the field dependences of the static magnetic susceptibility demonstrate de Haas-Van Alphen and Aharonov-Bohm oscillations at high temperatures and low magnetic fields in silicon nanosandwich structures (SNS). In the case of the deposition of DNA oligonucleotides into the edge channels of the SNS, a change in the oscillation period is observed. The possibilities of using the obtained data to identify the properties of DNA oligonucleotides are discussed.
A spectrometer based on silicon nanosandwiches (SNS) is proposed for solving problems of personalized medicine. Silicon nanosandwich (SNS) structures combine the properties of a terahertz (THz) emitter and a recorder of THz response from biological tissue. It has been demonstrated that recording the current-voltage characteristics (CVC) of the SNS structure allows us to analyze the spectral composition of the THz response from biological tissue and thus determine the relative contribution of various proteins and amino acids that make up the DNA oligonucleotides and their compounds. At the same time, the obvious advantages of the proposed technique are visible, since the THz response can be detected directly from living biological tissue, which can form the basis for the rapid analysis of DNA oligonucleotides. Further study of the behavior of the spectral peaks of the SNS C – V characteristics is of great interest for methods of personalized diagnosis and treatment, as demonstrated by the example of testing various control groups of subjects.
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