Chasing the Kidney | Dr. Hagit Dafni, Biological Regulation Department, Weizmann Institute. The high affinity between avidin (a protein abundant in egg-white) and biotin (a vitamin) was used to induce clearance (chase) of circulating molecules: circulating biothinyl-albumin (red) was first reabsorbed by the kidneys and later chased away from the blood by avidin (green). The cell nuclei are colored in blue.

Chasing the Kidney | Dr. Hagit Dafni, Biological Regulation Department, Weizmann Institute. The high affinity between avidin (a protein abundant in egg-white) and biotin (a vitamin) was used to induce clearance (chase) of circulating molecules: circulating biothinyl-albumin (red) was first reabsorbed by the kidneys and later chased away from the blood by avidin (green). The cell nuclei are colored in blue.

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