(Tetanus antitoxin is a sterile solution of antibody globulins a type of blood protein from immunized horses or cattle).
When the blood is brought into contact with one side of such a membrane, dissolved substances (including urea and inorganic salts) pass through into a sterile solution placed on the other side of the membrane.
The process leaves behind only about 76 pounds of bone and teeth remnants that can be crumbled by hand into bone-meal powder, and 375 gallons of a sterile solution of water containing sugars, soaps and molecules that are the building blocks of proteins.
To prevent or limit the loss of diffusible substances required by the body, such as sugars, amino acids, and necessary amounts of salts, those compounds are added to the sterile solution; thus their diffusion from the blood is offset by equal movement in the opposite direction.
A sterile solution (121°C, 20 min).
Subsequently, the spores can be harvested from the lids in sterile solution for further use.
The Petri dishes contained a sterile solution of DMSO and the culture medium, respectively.
The yeast cells were grown in a sterile solution (121°C, 15 min).
A sterile solution for injection of ascorbic acid (100 mg/ml) was purchased from Centrapharm Netherlandss).
After 3 h at 37°C, each sample was washed three times in physiological sterile solution (0.9% NaCl).
The two stains, were diluted 10 times, in physiological sterile solution (0.09% NaCl) and were kept as stock solutions at −20°C, in the dark.
