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Chinese Physics C> 2003, Vol. 27> Issue(S1) : 114-117 

The Manganese Distribution in Olfactory Bulbs of Rat Measured by Synchrotron Radiation X-ray Fluorescence

  •  Institute of High Energy Physics,CAS,Beijing 100039,China2 Wuhan Institutes of Physics and Mathematics,CAS,Wuhan 430071,China3 Department of Physics,Zhejiang University,Hangzhou 310027,China

  • Mn2+-enhanced magnetic resonance imaging is very useful for mapping the olfactory bulb,but has poor positional resolution(～100μm)and difficulty with the quantitative analysis of Mn.Synchrotron Radiation X-ray Fluorescence(beam size ～20μm,detect on limit of Mn ～10－11g) and Energy Disperse X-ray Fluorescence combined with multi-variable statistics were employed to investigate the positional distribution of manganese and other elements in slices of the olfactory bulk of SD rats.The naris of rats were pipetted with MnCl2 (Mn group n=4) compared with the control group (n=3).Our results show that the manganese distributions in the slices of both groups were non-homogeneous.The difference in the contents of Mn of rats treated with MnCl2 is as high as 50 times.Rats treated with MnCl2 exhibited a strong correlation (0.985,p=0.000) between the positional distribution of Mn and Ca,and the contents of Mn,Ca,Zn and Br of the Mn group were 55%,82%,42% and 72% higher than the control group.
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    [1] PauLer R G, Silva A C, KoreLky A P. Magn Reson Med. , 1998,40 ( 5 ) : 740-7482 PauLer R G, KoreLky A P. Neuroimage, 2002, 16 ( 2 ) : 441-4483 L1U N Q , L1U P , WANG K et al. Biol Trace Elem Res, 2000, 76( 3 ) :279-284 4 XU Q , SHAO H R , LIU P et al. International Journal of PIXE,1996, 6 ( 1 ) : 405-4085 LIU N Q , SHAO H R , MA D X et al. Nuclear InsLuments and Methods in Physics Research B , 1996, 109/110 : 368-3716 Gavin C E , Gunler K K, Gunler T E. Neuroloxicology , 1999, 20 ( 2-3 ) : 445-453

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ZHANG Zhi-Yong, LIU Nian-Qing, LI Fu-Liang, HUANG Yu-Ying, HE Wei, Lei Hao and ZHOU Zhen-You. The Manganese Distribution in Olfactory Bulbs of Rat Measured by Synchrotron Radiation X-ray Fluorescence[J]. Chinese Physics C, 2003, 27(S1): 114-117.
ZHANG Zhi-Yong, LIU Nian-Qing, LI Fu-Liang, HUANG Yu-Ying, HE Wei, Lei Hao and ZHOU Zhen-You. The Manganese Distribution in Olfactory Bulbs of Rat Measured by Synchrotron Radiation X-ray Fluorescence[J]. Chinese Physics C, 2003, 27(S1): 114-117. shu
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Received: 2003-11-21
Revised: 1900-01-01
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The Manganese Distribution in Olfactory Bulbs of Rat Measured by Synchrotron Radiation X-ray Fluorescence

    Corresponding author: ZHANG Zhi-Yong,
  • Institute of High Energy Physics,CAS,Beijing 100039,China2 Wuhan Institutes of Physics and Mathematics,CAS,Wuhan 430071,China3 Department of Physics,Zhejiang University,Hangzhou 310027,China
  • Received Date: 2003-11-21
  • Accepted Date: 1900-01-01
  • Available Online: 2003-01-02

Abstract: Mn2+-enhanced magnetic resonance imaging is very useful for mapping the olfactory bulb,but has poor positional resolution(～100μm)and difficulty with the quantitative analysis of Mn.Synchrotron Radiation X-ray Fluorescence(beam size ～20μm,detect on limit of Mn ～10－11g) and Energy Disperse X-ray Fluorescence combined with multi-variable statistics were employed to investigate the positional distribution of manganese and other elements in slices of the olfactory bulk of SD rats.The naris of rats were pipetted with MnCl2 (Mn group n=4) compared with the control group (n=3).Our results show that the manganese distributions in the slices of both groups were non-homogeneous.The difference in the contents of Mn of rats treated with MnCl2 is as high as 50 times.Rats treated with MnCl2 exhibited a strong correlation (0.985,p=0.000) between the positional distribution of Mn and Ca,and the contents of Mn,Ca,Zn and Br of the Mn group were 55%,82%,42% and 72% higher than the control group.

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