Grammar's Response. The choice of open/opened depends on what we're talking about. Yes, we can say (and often do) that the store is open, but if we're talking about the actual process of someone opening the doors, we'd say The store is opened every morning at 8 o'clock..
Ethanolamine (C2H7NO) is used in the pharmaceutical industry as a pH adjuster and buffering agent. It is a colorless to yellow clear liquid. There is evidence that it can be a human skin toxicant or allergen, and it should not be left on the skin. It has certain restrictions for use in the cosmetics industry. Ethanolamine oleate, a prescription drug, is a sclerosing agent. It works by creating scar tissue inside a swollen or dilated (wider than normal) vein to prevent bleeding.
Squalamine is a chemical produced from the stomach and the liver of the spiny dogfish shark. Squalamine can also be made in the laboratory. People take squalamine as an antibiotic to fight bacterial infections. The lab-made version of squalamine is sometimes applied directly to the skin as an antibiotic. Some researchers are studying squalamine to see if it might be effective against solid tumors in children.