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  Indian J Med Microbiol
 

Figure 3: PRF preparation technique: (a) collection of blood sample; (b) centrifuge machine (Remi Centrifuge); (c) a structured fibrin clot found after centrifugation in the middle of the tube, just between the red blood corpuscles at the bottom and acellular plasma at the top; (d) the fibrin clot with attached RBCs; (e) PRF clot placed in a sterile metal cup to allow the serum within the clot to drain

Figure 3: PRF preparation technique: (a) collection of blood sample; (b) centrifuge machine (Remi Centrifuge); (c) a structured fibrin clot found after centrifugation in the middle of the tube, just between the red blood corpuscles at the bottom and acellular plasma at the top; (d) the fibrin clot with attached RBCs; (e) PRF clot placed in a sterile metal cup to allow the serum within the clot to drain