نتایج جستجو برای: atmospheric pressure cold plasma jet

تعداد نتایج: 925242  

2016
Yury Gorbanev Robert Soriano Deborah O'Connell Victor Chechik

Non-thermal atmospheric pressure ('cold') plasmas have received increased attention in recent years due to their significant biomedical potential. The reactions of cold plasma with the surrounding atmosphere yield a variety of reactive species, which can define its effectiveness. While efficient development of cold plasma therapy requires kinetic models, model benchmarking needs empirical data....

Journal: :Acta biomaterialia 2012
Stefano Perni Michael G Kong Polina Prokopovich

Ultra-high molecular weight polyethylene (UHMWPE) is frequently employed in joint replacements because of its high biocompatibility; however, this material does not exhibit particularly strong wear performance, thus potentially reducing the longevity of such devices. Numerous techniques have been investigated to increase the resistance to wear of UHMWPE, but they are all based on expensive mach...

2014
Mohamed Tahar Benabbas Salah Sahli Abdallah Benhamouda Saida Rebiai

A non-thermal atmospheric pressure argon plasma jet for medical applications has been generated using a high-voltage pulse generator and a homemade dielectric barrier discharge (DBD) reactor with a cylindrical configuration. A plasma jet of about 6 cm of length has been created in argon gas at atmospheric pressure with an applied peak to peak voltage and a frequency of 10 kV and 50 kHz, respect...

2015
Shiva Irani Zhohreh Shahmirani Seyed Mohammad Atyabi Shahriar Mirpoor

INTRODUCTION Guided treatments with nanoparticles and cold atmospheric plasma are a new approach in cancer therapy. Plasma is an ionized gas that has reactive and energetic particles and can be produced in the laboratory by different methods. MATERIAL AND METHODS Plasma jet therapy was employed to irradiate HCT-116 cells (human colorectal cancer cells) which were cultured in the presence of g...

Journal: :Physical chemistry chemical physics : PCCP 2010
Sylwia Ptasińska Blagovest Bahnev Agnieszka Stypczyńska Mark Bowden Nigel J Mason Nicholas St J Braithwaite

The DNA molecule is observed to be very susceptible to short-term exposures to an atmospheric pressure plasma jet. The DNA damage induced by plasma-generated species, i.e. excited atoms, charged particles, electrons and UV light is determined.

2016
Olga Volotskova Mary Ann Stepp Michael Keidar

Current breakthrough research on cold atmospheric plasma (CAP) demonstrates that CAP has great potential in various areas, including medicine and biology, thus providing a new tool for living tissue treatment. In this paper, we explore potential mechanisms by which CAP alters cell migration and influences cell adhesion. We focus on the study of CAP interaction with fibroblasts and corneal epith...

2013
S. Hofmann P. J. Bruggeman

In the past few years, the bactericidal effect of atmospheric pressure plasmas have gained significant attention in dermatology and for application like the sterilisation of heat sensitive medical devices such as endoscopes, dentist and surgical tools. Previous research performed at the TUe by van Gils et al has shown that plasma induced liquid chemistry is important in the inactivation of bact...

2009
Sylwia Ptasińska Blagovest Bahnev Agnieszka Stypczyńska Mark Bowden Nicholas St. J. Braithwaite Nigel J. Mason

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