Polylactic acidPolylactic acid, also known as poly(lactic acid) or polylactide (PLA), is a thermoplastic polyester with backbone formula (C3H4O2)n or [–C(CH3)HC(=O)O–]n, formally obtained by condensation of lactic acid C(CH3)(OH)HCOOH with loss of water (hence its name). It can also be prepared by ring-opening polymerization of lactide [–C(CH3)HC(=O)O–]2, the cyclic dimer of the basic repeating unit. PLA has become a popular material due to it being economically produced from renewable resources.
Drug testA drug test is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/saliva—to determine the presence or absence of specified parent drugs or their metabolites. Major applications of drug testing include detection of the presence of performance enhancing steroids in sport, employers and parole/probation officers screening for drugs prohibited by law (such as cocaine, methamphetamine, and heroin) and police officers testing for the presence and concentration of alcohol (ethanol) in the blood commonly referred to as BAC (blood alcohol content).
Sinaloa CartelThe Sinaloa Cartel (Cártel de Sinaloa), also known as the CDS, the Guzmán-Zambada Organization, the Pacific Cartel, the Federation and the Blood Alliance, is a large, international organized crime syndicate that specializes in illegal drug trafficking and money laundering. It was established in Mexico during the late 1980s as one of a various number of subordinate "plazas" operating under a predecessor organization known as the Guadalajara Cartel.
