Application of near infrared diffusion spectrum in effect of anhydration solution

Abstract

Abstract:

The feasibility of the near infrared diffusion spectrum of local cortex for the study of effect of anhydration solution is analyzed. 60 SD rats were divided in random into three groups A, B, C, which are treated by 0.9% NaCl, 20% Mannitol and 7.5% NaCl through vena cava respectively. The near infrared diffusion spectrum of local cortex were collected continuously before and after the injection by a bifurcated fiber probe in vivo in a mini-invasive way, Then the changing rules of the spectrum were analyzed. Few changes of the spectrum were observed in the group A(0.9% NaCl), while, the relative changes of the absolute value of the spectrum slope between near infrared range were increased by (5.5±1.2)% for group B (20% mannitol) and (10.5±2.5)% for group C (7.5% NaCl). The differences among three groups make statistic sense (p<0.05). The near infrared diffusion spectrum of local cortex can be used as a new method for estimation of effect of anhydration solution.

Key words: spectroscopy, anhydrationeffect estimation, near infrared diffusion spectrum, cortex, rat

CLC Number:

DAI Li-Juan, HUA Guo-Ran, QIAN Zhi-Yu. Application of near infrared diffusion spectrum in effect of anhydration solution[J]. J4, 2010, 27(6): 737-742.

References

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