Open access
Oct 2026
Development of a handheld cold plasma device for surface treatment and antibacterial applications
This study introduces a compact and handheld cold atmospheric plasma (CAP) device for precision surface treatment and antibacterial applications. The device operated on a 3.7 V lithium-ion cell and featured a high-voltage module generating 20 kV to ionize argon gas through a needle-ring electrode structure, ensuring ef...
Chi Tran Nhu, Minh Do Trung, Hiên Lê Thị et al.
· Engineering Research Express · 0 citations