A general term for any factor that increases a personâs mental or physical stress; virtually all stressors can be described as related to environment (e.g., inadequate housing) or personal (e.g., health related, sexual, social or related to work).
Bovine serum albumin (also known as BSA or Fraction V) is a serum albumin protein derived from cows.It is often used as a protein concentration standard in lab experiments.t is also used as a nutrient in cell and microbial culture. In restriction digests, BSA is used to stabilize some enzymes during digestion of DNA and to prevent adhesion of the enzyme to reaction tubes, pipet tips, and other vessels.
Bisphenol A is an organic synthetic compound with the chemical formula (CH3)2C(C6H4OH)2 belonging to the group of diphenylmethane derivatives and bisphenols, with two hydroxyphenyl groups. It is a colorless solid that is soluble in organic solvents, but poorly soluble in water. It has been in commercial use since 1957. BPA is employed to make certain plastics and epoxy resins. BPA-based plastic is clear and tough, and is made into a variety of common consumer goods, such as water bottles, sports