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**Chapter 12** 

© 2012 Vasilieva, licensee InTech. This is an open access chapter distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use,

distribution, and reproduction in any medium, provided the original work is properly cited.

© 2012 Vasilieva, licensee InTech. This is a paper distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

The Electron-Beam Plasma (EBP) is generated by injecting an electron beam (EB) into a gaseous medium. The EBP composition is complex: generally it contains molecules, atoms, radicals and ions in stable and excited states, plasma electrons and injected beam electrons as well. At moderate pressures (*Pm* <10 kPa) the EBP is strongly nonequilibrium. It means that the function of the electron energy distribution in the EBP is non-Maxwellian and heavy plasma particles mentioned above are produced in super-equilibrium concentrations, i. e. very high densities of ionized and excited particles can be reached. As a result, the EBP appears to be chemically active even at low temperature. With respect to non-equilibrium plasmas generated in conventional ways (for instance, the plasma of gas discharges) the EBP

 the EBP bulk does not contract even at very high gas pressures (*Pm* ~10 kPa and higher); the solid powders and liquid droplets injected into the gas do not prevent the EBP

very high concentrations of chemically active particles can be obtained even at low (up

the process of the EBP-treatment is absolutely controllable and the treatment results are

Due to its properties the EBP seems to be very promising for biomaterial treatment and

The main objective of the study is to experimentally prove the applicability and advantages of the electron-beam plasma for actual biological, pharmacological, and medical problems.

the EB can be injected into any gases, vapors and gas-vapor mixtures;

generation; large-size bodies can be inserted into the plasma bulk;

both solid powders and thing films can be treated in the EBP;

**Bio-Medical Applications** 

T. Vasilieva

http://dx.doi.org/10.5772/52576

has the following advantages:

to room) temperatures;

especially for the modification of biopolymers.

replicable.

**1. Introduction** 

**of the Electron-Beam Plasma** 

Additional information is available at the end of the chapter

