Further, African Americans did not have the freedom to choose where and how to live due to the effects of state-sponsored restrictive covenantsâlegally binding contracts making it illegal to rent, sell, or lease housing to black people (in some regions it included other nonwhites).
Nonarteritic anterior ischemic optic neuropathy (NAION) is the most common clinical presentation of acute ischemic damage to the optic nerve.Most treatments proposed for NAION are empirical and include a wide range of agents presumed to act on thrombosis, on the blood vessels, or on the disk edema itself.onarteritic anterior ischemic optic neuropathy (NAION) is the most common clinical presentation of acute ischemic damage to the optic nerve.
of the solution. Among all monovalent cations, Na+ is the most effective in activating thrombin catalysis. This effect is observed with different amide substrates and also with y-thrombin, a proteolytic derivative of the native enzyme which has little clotting activity but retains amidase activity toward small synthetic substrates.