Figure 3.
Figure 3. SEM of fibrinogens. Scanning electron micrographs of normal (A) and BβArg14His (B) fibrinogens polymerized with thrombin. Clots used for scanning electron microscopy were formed with 0.4 mg/mL fibrinogen and 0.4 U/mL thrombin in 20 mM HEPES, pH 7.4, 150 mM NaCl, 1 mM CaCl2. SEM was performed as detailed in “Materials and methods.” Scale bar equals 1 μm.

SEM of fibrinogens. Scanning electron micrographs of normal (A) and BβArg14His (B) fibrinogens polymerized with thrombin. Clots used for scanning electron microscopy were formed with 0.4 mg/mL fibrinogen and 0.4 U/mL thrombin in 20 mM HEPES, pH 7.4, 150 mM NaCl, 1 mM CaCl2. SEM was performed as detailed in “Materials and methods.” Scale bar equals 1 μm.

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