Non-thermal plasma and nitric oxide technologies for medical research

We use non-thermal plasma to make nitric oxide from air and develop it for wound care, as a treatment gas or held in a liquid. We are looking for research and development partners.

Gliding arc discharge in our reactor, filmed through the end window.
85 ppmNO in the outlet gas, made from air
3.8 Lof NO solution treated in one 10-minute run
24 monthssealed storage test, tissue kept intact
Peer reviewedPlasma Medicine, 2026

Three technology directions

One plasma source, three ways to use the nitric oxide it makes. Each is at a different stage.

Gliding arc discharge glowing inside the reactor
Gas source built, wound tests planned

Plasma gas for wound care

Treatment gas from our non-thermal gliding arc, rich in nitric oxide and other reactive nitrogen species. Only the gas touches the wound, not the plasma.

Where it stands

A working system that produces the treatment gas is built and running. Its nitric oxide output is shown in the results below.

Next step. Wound-care testing of the gas is planned. Our current focus is storing NO in liquid compounds.

End view, slowed down, false colour
Working prototype

Plasma-generated nitric oxide

Nitric oxide made from air and electricity. A gas vortex stretches the arc along the full length of the electrode, and gas flow and power set the output.

Where it stands

85 ppm NO in the outlet gas at an air flow of 30 L/min and about 0.9 kW, from a single reading. The slowed-down video shows the vortex driving the arc channel around the reactor wall.

Glass column with plasma gas bubbling through a clear liquid
Most advanced

Liquid NO and RSNO platforms

A plasma-treated N-acetylcysteine (NAC) solution that holds nitric oxide and releases it on demand. Available to research partners as a research-use reagent.

Where it stands

During treatment the solution turns from colourless to bright pink within about 10 minutes, and its sulfur odour disappears. The colour stays until NO starts to be released, then fades. A pink colour that fades as NO leaves is typical of S-nitrosothiols. We are now confirming this with UV-Vis scans of fresh samples taken during treatment.

NO release is measured in the headspace with a calibrated electrochemical detector. Chemical identity: UV-Vis and nitrite/nitrate tests, published in Plasma Medicine.

Next step. Measure the S-nitrosothiol (RSNO) content directly with the Saville assay, then in vitro work on release kinetics and antimicrobial and antibiofilm activity against P. aeruginosa and S. aureus.

Clear NAC solution after 3 minutes of plasma treatment3 min of treatment: still clear
Pink NAC solution after 10 minutes of plasma treatment10 min: bright pink
Colourless solution with sediment after NO has been releasedAfter NO release: colour gone
Colour of the NAC solution at three stages. Different samples from the same process, photographed in different containers, so compare colour only.

What we have demonstrated

Each result is tied to a specific system and test. All of our work is at the research stage.

Plasma-generated NO, internal measurement

NO in the reactor outlet gas

85 ppm NO

Made from ambient air at 30 L/min and about 0.9 kW. Single reading; repeat runs are next.

Measurement details
Air feed
30 L/min, ambient air
Power
About 0.9 kW, power supply output
Detector
Forensics Detectors FD-90A electrochemical NO detector, 0 to 250 ppm, with a 0.5 L/min sampling pump
Sample
23 °C (74 °F) at the detector

The results below are for the liquid platform: N-acetylcysteine (NAC) solution treated with gliding arc plasma. RSNO is the form we are working to confirm; a direct RSNO assay is next.

Liquid NO platform, internal measurement

Headspace NO after agitation

NO in headspace after shaking Mean NO in headspace over repeated agitation cycles of one aliquot: 3.2 ppm after 5 seconds, 17.0 ppm after 1 minute, 25.5 ppm after 2 minutes of shaking. 0 10 20 30 NO, ppm 3.2 17.0 25.5 5 s 1 min 2 min Shaking time

NO is held in the liquid and released on agitation: about 1 ppm at rest, more with longer shaking.

Measurement details

Mean ± SD over repeated agitation cycles of the same 40 mL aliquot: 13 cycles at 5 s, 3 at 1 min, 8 at 2 min. One batch. On an orbital shaker (150 RPM, 2 h) the signal levelled at 29 to 31 ppm, with a peak of 44 ppm.

40 mL of solution in a sealed 50 mL bottle (10 mL headspace), 21.5 °C, day 22 after production. Calibrated FD-90A electrochemical NO detector, 0 to 250 ppm range.

A separate measurement of the same batch on day 21 showed the same pattern: about 2 ppm at 5 s, 7 ppm at 25 s, 10 ppm at 1 min and 12 to 20 ppm at 2 min (9 cycles, mean 16 ppm). The signal did not fall to zero after 24 agitation cycles. The day 22 values are higher because that run used a fresh aliquot that had not been agitated before.

Liquid NO platform, peer reviewed

Chemical characterization and antimicrobial screening

  • Plasma changes the NAC molecule: its main UV peak shifts from 233 to about 261.5 nm
  • No free nitrite or nitrate detected
  • 2-log reduction of E. coli on agar versus untreated NAC
  • Chicken tissue kept intact in the sealed solution for 24 months, while controls failed
Measurement details
UV-Vis
Hitachi U-2910, 190 to 300 nm.
Nitrite and nitrate
Quantofix test strips, n = 3: nitrite under 0.5 mg/L, nitrate under 10 mg/L.
Antimicrobial
E. coli ATCC 25922, colony density on agar plates.
24-month storage
Sealed, 2022 to 2024, four controls. Tracked solution clarity, odor and tissue color and structure. NO content was not tracked over this period.

Published in Plasma Medicine, 2026, in the context of preservation. Laboratory and storage results, not tests on living tissue.

Internal measurement, not part of the paper

Quartz UV-Vis, 280 to 700 nm. A small rise in visible absorbance versus untreated NAC, but no distinct S–NO band near 340 nm, so UV-Vis alone does not confirm RSNO.

Measurement details

May 2026, quartz cuvettes, 1:10 dilution. About 3× at 545 nm (0.0058 vs 0.0019 absorbance).

Liquid NO platform, internal measurement

The same batch over time

Headspace NO from the same batch over time Batch made in April 2026. Day 22: 25.5 ppm after 2 minutes of agitation. Day 27: 10.2 ppm after 2 minutes. About two months, date approximate: about 10 ppm after 20 seconds, single reading. 0102030010203040506070 Days since the batch was made NO, ppm date approximate 25.5 10.2 ~10 2 min agitation, mean ± SD 20 s agitation, single reading

The signal dropped between day 22 and day 27, and the batch was still releasing NO after about two months.

Measurement details

Made in April 2026 at 40 L/min and about 1 kW, stored sealed at room temperature. Day 22: 8 agitation cycles. Day 27: 5 cycles. About two months: one reading; the exact day was not recorded, so the point is placed at day 60 within a shaded range.

The two-month point used a shorter agitation (20 s instead of 2 min), so it is not directly comparable with the first two points.

Liquid NO platform, internal measurement

Scale-up: one gallon in a single run

FD-90A NO detector reading 15 ppm next to the treated gallon bottle
Headspace reading after 3 min of shaking.

15 ppm NO

3.8 L treated in one 10-minute run. Twenty days later it still released NO on shaking, with nitrite at 0 on a test strip.

Measurement details
Batch
3.8 L (1 gallon) of 1% NAC, treated 10 min at 30 L/min and about 0.9 kW
Measured
20 days after treatment, sample at 24 °C (75 °F)
Headspace NO
0 ppm before shaking, 15 ppm after 3 min of shaking, about 100 mL of headspace. FD-90A detector
Nitrite, nitrate
Test strip on the same bottle: nitrite at 0, nitrate at the lowest step (0 to 10 ppm)

Single reading. The headspace is about ten times larger than in the 50 mL bottle above, which dilutes the NO, so the ppm values are not directly comparable.

Team

The people behind Plasma NO Medical Group.

Jennifer Blackbay

Chief Executive Officer

Leads the company and its partnerships.

Elza Tyshko, DPM

Medical Advisor

Podiatrist who advises on wound-relevant study design and the clinical direction of our work.

What we offer partners

We work with clinics, universities, research labs and medical device companies.

Joint research and independent testing

Run studies with us, or test our systems and reagents in your own lab and publish what you find.

Development for your application

We adapt plasma and NO technology to a specific medical use and define the prototype your study needs.

Licensing and commercialization

Talk to us about licensing the technology for your medical application and bringing a product to market together.

How a project starts

Every project starts with a short call to agree on the question you want answered. After that we take one of two paths:

Reagent evaluation
We send research-use samples of the NO solution to your lab under a mutual NDA and agree on a study protocol.
System development
We write down the requirements for a prototype, such as dose, format, size and power, and plan the development.

Our technologies are for research use. They are not approved or cleared by the FDA and are not available for clinical use.

Let's discuss a joint project

Tell us what you are working on and which technology interests you. We will reply within a few working days.

Or write to us at info@plasmanomed.com