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  • Title: [Correlation between postmortem intervals and the changes of electrical conductivity in vitreous humor in rabbits after death].
    Author: Zhou RQ, Zhang F, Wang Y, Liao ZG.
    Journal: Fa Yi Xue Za Zhi; 2008 Feb; 24(1):12-4. PubMed ID: 18404985.
    Abstract:
    OBJECTIVE: To investigate the correlation between postmortem interval (PMI) and the changes of electrical conductivity in vitreous humor in rabbits after death. METHODS: The changes of electrical conductivity in vitreous humor in rabbits were measured using the conductivity meter under 30 degrees C during 0-48 hours and 20 degrees C during 0-120 hours after death. RESULTS: Electrical conductivity in vitreous humor in rabbits increased gradually under 30 degrees C and 20 degrees C from 0 to 48 hours and from 0-120 hours after death. The formulae of the relationship between PMI and conductivity under 30 degrees C and 20 degrees C were obtained by statistical analysis and the correlation coefficients were 0.970 and 0.983 (both P < 0.01), respectively. CONCLUSION: The increase of electrical conductivity in vitreous humor in rabbits after death may be used as the relatively objective parameter for PMI estimation.
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