The biological activity of endotoxin is associated with the lipopolysaccharide (LPS). Toxicity is associated with the lipid component (Lipid A) and immunogenicity is associated with the polysaccharide components. The cell wall antigens (O antigens) of Gram-negative bacteria are components of LPS.
New summer destination added to Harrisburg International Airport flights. Allegiant Air will begin offering nonstop flights from the Harrisburg International Airport to Myrtle Beach, S.C. for as low as $45 beginning this summer. HIA Executive Director Timothy Edwards announced Tuesday that summer seasonal routes to Myrtle Beach will operate twice weekly beginning May 19. The discount airline will now offer flights to four locations â including Punta Gorda, Orlando and Tampa.
United will use the world's most advanced passenger airplane, the Boeing 787-9 Dreamliner, to operate the service. Measured by distance, the San Francisco - Singapore service will be the longest scheduled 787 flight operated by any airline and the longest scheduled flight operated by any U.S. carrier, at 8,446 miles.