Abstract
The effect of the Carbon dioxide (CO2) laser radiation on the Erythrocyte Sedimentation Rate (ESR) in the blood sample is studied in this research in vitro. Carbon dioxide (CO2) laser was used for irradiation the blood samples. the study irradiation time was (5,10,15,20)s ; so the dose of irradiation were (1,8 ,13)watt . The sample of the blood obtained from twenty volunteers and each sample was divided into two samples for control and irradiation. The ESR was measured after laser irradiation and compared with un irradiation control. The results showed that there were significant differences in the values of sedimentation rates for (1,8 ,13)watt for control and irradiation. the results show that erythrocyte sedimentation rate decreases with increasing laser radiation with constant exposure time (5,10,15,20)sec and erythrocyte sedimentation rate decreases with increasing time exposure with constant laser radiation .
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