Effect of gamma irradiation on the light polarization variation of PMMA polymer

2008 ◽  
Vol 281 (3) ◽  
pp. 356-359 ◽  
Author(s):  
S.M.R. Aghamiri ◽  
M. Namedanian ◽  
Z. Sanjabi
Keyword(s):  
Gamma Irradiation ◽  
Light Polarization ◽  
Polarization Variation ◽  
Pmma Polymer

Thermoluminescence properties of micro and nano structure hydroxyapatite after gamma irradiation

Kerntechnik ◽  
2016 ◽  
Vol 81 (6) ◽  
pp. 651-654 ◽  
Author(s):  
M. Shafaei ◽  
F. Ziaie ◽  
N. Hajiloo
Keyword(s):  
Gamma Irradiation ◽  
Nano Structure

THE EFFECT OF GAMMA STERILIZATION AND ITS EFFECT ON MICROSCOPIC STRUCTURE OF DEEP FROZEN DOG SKULL

2018 ◽  
pp. 37-40
Author(s):  
Phuong Thao Tien Nguyen ◽  
Anh Hung Tran ◽  
Van Tam Le ◽  
Huu Thao Phung ◽  
Phan Quynh Anh Nguyen
Keyword(s):  
Structural Change ◽  
Gamma Radiation ◽  
Gamma Irradiation ◽  
Key Words ◽  
Bone Matrix ◽  
Infected Tissue ◽  
Microscopic Structure ◽  
Bacteriological Examination ◽  
Microscopic Scale

Objective: To evaluate the effect of gamma sterilization and its effect on microscopic structure of deeply frozen dog skull. Subjects and methods: 50 pairs of dog skull fragments have the same size,which were taken symmetrically through the midline of the skull, were divided into two lots. Evident lot consisting of 50 pieces are just deeply frozen, not irradicated. Experimental lot which was composed of 50 pieces were deeply frozen and exposed to 25kGy of gamma radiation. Afterwards, to evaluate the effect of gamma sterilization and compare the alter of bone matrix between lot groups. Results: After gamma irradiation, all dog skull fragments were negative with bacteriological examination. In microscopic scale, no difference was found between the two lots and there was no structural change in the irradiated fragments of all dog skull. Conclusion: Gamma irradiation with 25 kGy: (i) It has the ability to kill bacteria completely in the type of bacteria commonly infected tissue. (ii) It does not alter the structure of dog skull in microstructures. Key words: dog skull, gamma, sterilize

Changes of Allergenicity and Conformational Structure of Egg Ovomucoid by Gamma Irradiation in the Basic Condition

2002 ◽  
Vol 7 (1) ◽  
pp. 52-56 ◽  
Author(s):  
Kun-Og Kang ◽  
Ju-Woon Lee ◽  
Cheo-Run Jo ◽  
Hong-Sun Yook ◽  
Myung-Woo Byun
Keyword(s):  
Gamma Irradiation ◽  
Conformational Structure
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