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The whole blood contains red cells, white cells, and platelets suspended in plasma. In the following study we investigated an impact of nanodiamond particles on blood elements over various periods of time.The material used in the study consisted of samples taken from ten healthy canines (Canis lupus f. domestica) of various age, different blood types and both sexes. The markings were conducted by adding to the blood unmodified diamonds (SND), modified O2 (SO2) suspended in 0,9% NaCl. The blood was put under an impact of two diamond concentrations: 20μl and 100μl. The amount of abnormal cells increased with time. The percentage of echinocytes as a result of interaction with nanodiamonds in various time periods for individual specimens was scarce. In the examined microscopic image a summary was made for 100 white blood cells. Following cells were included in said group: band neutrophils, segmented neutrophils, eosinophils, basophils, lymphocytes, monocytes, lymphocytes with granulates, stimulated lymphocytes, lymphocytes with vacuoles, metamielocytes and smudge cells. The impact of the three diamond types had no clinical importance on red blood cells. After the diamonds mixed with white blood cells, atypical cells came into being, in the range of agranulocytes in stimulated form or with granulates and/or vacuoles. It is supposed that as a result of longlasting exposure a stimulation and vacuolisation takes place, because of the function of the cells.
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