Chesebrough Manufacturing Company Chesebrough Manufacturing Company Chesebrough Manufacturing Company was an oil business which produced petroleum jelly or Vaseline, which was marketed with the brand name Luxor. It was founded in 1859. Robert Augustus Chesebrough, a chemist who started the company, was interested in marketing oil products for medicinal needs. He produced the first petroleum jelly by refining rod wax through the use of heat and filtration. He named Vaseline from the German language word for water ("Wasser") and the Greek language word for oil ("olion"). Vaseline was patented in the United States in 1872 and England in 1877. In 1870, Robert Chesebrough
Egg jelly sulfated fucan glycoproteins play an important role in binding to sperm receptors and triggering the acrosomal reaction. Many other functions for the egg jelly have been proposed including sperm agglomeration, protection from mechanical stress and polyspermy, and increasing the size of the egg to improve its chances of colliding with sperm. In addition to the sea urchin, egg jelly appears in many species including invertebrates and mammals, and can vary in composition and complexity from the relatively homogenous single layer sea urchin egg to the three layer egg jelly in starfish. Egg jelly Egg jelly(extracellular layer", "jelly coat) is a