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 (BPA) is an industrial chemical used to make polycarbonate plastic resins, epoxy resins, and other products. Bisphenol A (BPA) is a chemical building block that is used primarily to make polycarbonate plastic and epoxy resins. Polycarbonate plastic is a lightweight, high-performance plastic that possesses a unique balance of toughness, optical clarity, high heat resistance, and excellent electrical resistance.