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Showing 1 to 12 of 32 entries
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Inactivation of Gram-Negative Bacteria by Low-Pressure RF Remote Plasma Excited in N2-O2 Mixture and SF6 Gases.

Iranian journal of medical sciences

Al-Mariri A, Saloum S, Mrad O, Swied G, Alkhaled B.
PMID: 24293788
Iran J Med Sci. 2013 Dec;38(4):334-8.

The role of low-pressure RF plasma in the inactivation of Escherichia coli O157, Klebsiella pneumoniae, Proteus mirabilis, and Enterobacter sakazakii using N2-O2 and SF6 gases was assessed. 1×10(9) colony-forming units (CFUs) of each bacterial isolate were placed on three...

Large-scale dynamo growth rates from numerical simulations and implications for mean-field theories.

Physical review. E, Statistical, nonlinear, and soft matter physics

Park K, Blackman EG, Subramanian K.
PMID: 23767646
Phys Rev E Stat Nonlin Soft Matter Phys. 2013 May;87(5):053110. doi: 10.1103/PhysRevE.87.053110. Epub 2013 May 28.

Understanding large-scale magnetic field growth in turbulent plasmas in the magnetohydrodynamic limit is a goal of magnetic dynamo theory. In particular, assessing how well large-scale helical field growth and saturation in simulations match those predicted by existing theories is...

Plasma applications in medicine with a special focus on dermatology.

Journal of the European Academy of Dermatology and Venereology : JEADV

Heinlin J, Isbary G, Stolz W, Morfill G, Landthaler M, Shimizu T, Steffes B, Nosenko T, Zimmermann J, Karrer S.
PMID: 20497290
J Eur Acad Dermatol Venereol. 2011 Jan;25(1):1-11. doi: 10.1111/j.1468-3083.2010.03702.x.

The recent tremendous progress in understanding physical plasma phenomenon, together with the development of new plasma sources has put growing focus on the application of plasmas in health care. Active plasma components, such as molecules, atoms, ions, electrons and...

The Effect of Various Plasma Gases on the Shear Bond Strength between Unfilled Polyetheretherketone (PEEK) and Veneering Composite Following Artificial Aging.

Materials (Basel, Switzerland)

Younis M, Unkovskiy A, ElAyouti A, Geis-Gerstorfer J, Spintzyk S.
PMID: 31060213
Materials (Basel). 2019 May 04;12(9). doi: 10.3390/ma12091447.

This study investigated the effect of different gaseous plasma surface treatments on the shear bond strength between unfilled polyetheretherketone (PEEK) and veneering composite resin. The study followed ISO 10477 guidelines in preparing, bonding, and testing the samples. Specimens of...

The Feasibility Study of Plasma-activated Water as a Physical Therapy to Induce Apoptosis in Melanoma Cancer Cells .

Iranian journal of pharmaceutical research : IJPR

Mahdikia H, Shokri B, Majidzadeh-A K.
PMID: 34903993
Iran J Pharm Res. 2021;20(3):337-350. doi: 10.22037/ijpr.2021.114493.14882.

Low-temperature plasma (LTP) has demonstrated great potential in biomedicine, especially in cancer therapy

Efficacy of cavity liners with/without atmospheric cold helium plasma jet for dentin remineralization.

Biomaterial investigations in dentistry

Kermanshah H, Saeedi R, Ahmadi E, Ranjbar Omrani L.
PMID: 32939456
Biomater Investig Dent. 2020 Aug 17;7(1):120-125. doi: 10.1080/26415275.2020.1803074.

MATERIAL AND METHODS: The occlusal third of 24 extracted third molars was cut. An occlusal cavity was prepared in the dentin of each tooth with 1 mm depth and 2 mm diameter and demineralized with 37% phosphoric acid for...

Effect of Low-Pressure Plasma Treatment Parameters on Wrinkle Features.

Materials (Basel, Switzerland)

Gu B, Ko D, Jo S, Hyun DC, Oh HJ, Kim J.
PMID: 32882866
Materials (Basel). 2020 Sep 01;13(17). doi: 10.3390/ma13173852.

Wrinkles attract significant attention due to their ability to enhance the mechanical and optical characteristics of various optoelectronic devices. We report the effect of the plasma gas type, power, flow rate, and treatment time on the wrinkle features. When...

Construction of a solenoid used on a magnetized plasma experiment.

The Review of scientific instruments

Klein SR, Manuel MJ, Pollock BB, Gillespie RS, Deininger M, Kuranz CC, Keiter PA, Drake RP.
PMID: 25430377
Rev Sci Instrum. 2014 Nov;85(11):11E812. doi: 10.1063/1.4891060.

Creating magnetized jets in the laboratory is relevant to studying young stellar objects, but generating these types of plasmas within the laboratory setting has proven to be challenging. Here, we present the construction of a solenoid designed to produce...

Determination of Chlorophenoxy Acid Methyl Esters and Other Chlorinated Herbicides by GC High-resolution QTOFMS and Soft lonization.

Analytical chemistry insights

Lopez-Avila V, Roach P, Urdahl R.
PMID: 25698878
Anal Chem Insights. 2015 Feb 09;10:1-9. doi: 10.4137/ACI.S21901. eCollection 2015.

Gas chromatography with quadrupole time-of-flight mass spectrometry (GC-QTOFMS) and soft ionization generated by a rare-gas plasma is described here for the determination of various chlorophenoxy acid methyl esters and a few chlorinated herbicides. This plasma-based, wavelength-selectable ionization source, which...

Characterisation of a micro-plasma for ambient mass spectrometry imaging.

The Analyst

Bowfield A, Bunch J, Salter TL, Steven RT, Gilmore IS, Barrett DA, Alexander MR, McKay K, Bradley JW.
PMID: 25142127
Analyst. 2014 Nov 07;139(21):5430-8. doi: 10.1039/c4an01110d.

Results are presented on the characterisation and optimisation of a non-thermal atmospheric pressure micro-plasma ion source used for ambient mass spectrometry imaging. The geometry of the experiment is optimised to produce the most intense and stable ion signals. Signal...

Two-dimensional observation of emission spectra excited from laser induced plasmas and the application to emission spectrometric analysis.

Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

Kitaoka C, Wagatsuma K.
PMID: 17998742
Anal Sci. 2007 Nov;23(11):1261-5. doi: 10.2116/analsci.23.1261.

The spatial distribution analysis of emission signals from a laser-induced plasma can provide information on the excitation mechanism as well as on the optimization of the analytical conditions when it is employed as a sampling and excitation source in...

Solution nebulization of aqueous samples into the tubular-electrode torch capacitatively-coupled microwave plasma.

Talanta

Patel BM, Deavor JP, Winefordner JD.
PMID: 18964584
Talanta. 1988 Aug;35(8):641-5. doi: 10.1016/0039-9140(88)80146-2.

This work shows the feasibility of using nebulization for introduction of aqueous samples into the tubular-torch capacitatively-coupled microwave plasma (CMP). Previously, solid electrodes were used with this type of plasma, in which analyte carrier and plasma support gases are...

Showing 1 to 12 of 32 entries