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Developing Nanoneedle Technology

The technology will be optimized for easy clinical adoption and scaled up so that numerous FDA-approved drugs can be simultaneously screened as potential treatments.

  • Rahim Esfandyarpour, PhD
  • Ronald W. Davis, PhD

Coming soon…


Man holding a diagnostic chip in his handThe nanoneedle biosensor is a cost-effective, versatile, ultrasensitive and high-throughput nanoelectronics device. This device measures the electrical impedance of cells from a single drop of blood.


This test is able to distinguish ME/CFS patients from healthy controls.

An analysis of over 40 ME/CFS patients and controls has established that cells from the blood of ME/CFS patients exhibit a characteristic impedance pattern when subjected to salt stress that is significantly different than the controls.

Future tests of this device will be made to:

  • Determine if differences are observed between ME/CFS patients and other related diseases.
  • Whether impedance signals are indicative of illness severity by testing a series of patients at altered severity.
  • To test candidate drugs to see if the salt stress impedance signal can be returned to healthy control levels, revealing the potential of the nanosensor array platform for use in drug screening.
Myalgic Encephalomyelitis / Chronic Fatigue Syndrome (ME / CFS) Post Treatment Lyme Disease Syndrome (PTLDS), Fibromyalgia Leading Research. Delivering Hope.Open Medicine Foundation®

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