(left) Evolution of the contact radius, R (mm) (squares), contact angle, Î¸ (Â°) (circles), and height of the droplet, h0 (mm) (up-triangles), with time, t (s); (a) under electrowetting conditions and (b) under free evaporation of 0.1% TiO2âwater nanofluid.
To summarize, the only blood tests commonly done for STDs test for syphilis, HIV and hepatitis B. A blood test for herpes exists but is seldom done. A good urethral test for gonorrhea and chlamydia exists, but is seldom done in men unless specifically requested.
Quick Answer. Someone who donates blood is not directly tested for sexually transmitted diseases (STDs) during the donation process, but the blood is screened for some diseases that are sexually transmitted, WebMD states. In addition, screening questions look into the donor's sexual history. Continue Reading.