A low power flexible dielectric barrier discharge disinfects surfaces and improves the action of hydrogen peroxide

@article{Gershman2020ALP,
  title={A low power flexible dielectric barrier discharge disinfects surfaces and improves the action of hydrogen peroxide},
  author={Sophia Gershman and Maria Belen Harreguy Alfonso and Shurik Yatom and Yevgeny Raitses and Phillip Efthimion and Gal Haspel},
  journal={Scientific Reports},
  year={2020},
  volume={11}
}
There is an urgent need for disinfection and sterilization devices accessible to the public that can be fulfilled by innovative strategies for using cold atmospheric pressure plasmas. Here we explore and evaluate an approach combining a flexible printed circuit design of a dielectric barrier discharge (DBD) with an environmentally safe chemical reagent for surface decontamination from bacterial contaminants. The device operates in ambient air without any additional gas flow at a power density… 

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References

SHOWING 1-10 OF 48 REFERENCES

Hydrogen-Peroxide-Enhanced Nonthermal Plasma Effluent for Biomedical Applications

A novel nonthermal plasma dielectric-barrier discharge system for decontamination, sterilization, and medical applications has been developed, and the concentration of hydrogen peroxide additives is seen to be a key variable in inactivation efficacy.

Paper-based plasma sanitizers

These disposable plasma generators made from metallized paper represent progress toward biodegradable devices based on flexible renewable materials, which may impact the future design of protective garments, skin-like sensors for robots or prosthetics, and user interfaces in contaminated environments.

Investigation of the Roles of Plasma Species Generated by Surface Dielectric Barrier Discharge

The results of this study underscore the dominance of ROS as the major plasma generated species responsible for cellular effects, with ions and RNS having a secondary, complimentary role.

Nonthermal decontamination of biological media by atmospheric-pressure plasmas: review, analysis, and prospects

Although the use of an electrical discharge to disinfect water was suggested and applied more than a hundred years ago, basic and applied research on the interaction of plasmas with biological media

Low-temperature sterilization of wrapped materials using flexible sheet-type dielectric barrier discharge

A flexible sheet-type dielectric barrier discharge (DBD) was studied for the low-temperature sterilization of medical instruments wrapped with Tyvek packaging. Sterilization experiments using

Long-term antibacterial efficacy of air plasma-activated water

The results highlight the complexity of PAW solutions where multiple chemical components exert varying biological effects on differing time scales, during which the antibacterial efficacy of 15 min exposures decreased significantly, while that of 3 h exposures produced a 5-log reduction or more.

Low Temperature Plasma-Based Sterilization: Overview and State-of-the-Art

Summary: Low temperature, high pressure, non-equilibrium plasmas are now routinely used in several material processing applications, and in some cases are competing with low pressure plasmas in areas

Blood Coagulation and Living Tissue Sterilization by Floating-Electrode Dielectric Barrier Discharge in Air

Thermal plasma discharges have been widely used in the past for treatment of living human and animal tissue. However, extensive thermal damage and tissue desiccation occurs due to extreme

Blood Coagulation and Living Tissue Sterilization by Floating-Electrode Dielectric Barrier Discharge in Air

Thermal plasma discharges have been widely used in the past for treatment of living human and animal tissue. However, extensive thermal damage and tissue desiccation occurs due to extreme

The development of dielectric barrier discharges in gas gaps and on surfaces

Dielectric barrier discharges (DBDs) occur in configurations which are characterized by a dielectric layer between conducting electrodes. Two basic configurations can be distinguished: a volume