Background: An immune system is a system of biological structures and processes within an organism that protects against diseases by identifying and killing pathogens and tumor cells. Development of ...

The natural-occurring biopolymer known as chitosan is being put forward as an effective alternative to growth-promoting antibiotics in the diet of ruminants, according to new research. The ...

A biopolymer produced from shrimp shells that has proved invaluable in treating wounded soldiers will be put to a new test in August – aboard the space shuttle Endeavour. A commercial experiment will ...

The natural-occurring biopolymer known as chitosan is being put forward as an effective alternative to growth-promoting antibiotics in the diet of ruminants, according to research carried out by ...