Ion beam intensity distribution in ion-bombarded areas of biological targets

The ion beam intensity distribution in an ion-beain-bombarded area is particularly important for treating biological targets that are location-sensitive to ion energy and fluence. In order to investigate the beam intensity distribution, we carried out a theoretical calculation. The theoretical study...

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Bibliographic Details
Main Authors: Yu L.D., Prakrajang K., Vilaithong T., Tengsirivattana C., Anuntalabhochai S.
Format: Conference or Workshop Item
Language:English
Published: 2014
Online Access:http://www.scopus.com/inward/record.url?eid=2-s2.0-58249124349&partnerID=40&md5=3b4461d3737ad127fe48b6441be5bdd8
http://cmuir.cmu.ac.th/handle/6653943832/5434
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Institution: Chiang Mai University
Language: English
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Summary:The ion beam intensity distribution in an ion-beain-bombarded area is particularly important for treating biological targets that are location-sensitive to ion energy and fluence. In order to investigate the beam intensity distribution, we carried out a theoretical calculation. The theoretical study was started from an assumption of a certain 3-D distribution of the beam intensity for a fixed beam spot and was followed by integration to describe a scanning of this beam spot within a certain target area. The details of the calculations with an example of Gaussian distribution for the initial fixed beam spot are presented. The calculated result was compared with an experimentally-measured ion-beam intensity distribution, and good agreement was achieved. The scanning ion-beam intensity distribution was applied to guide ion-beam-induced gene transfer in biological cells such as the bacteria E. coli.