In some cases, a title can also serve as a permanent legal record of condemnation of property, such as in the case of an automobile junk or salvage title. In the case of real estate, the legal instrument used to transfer title is the deed. A famous rule is that a thief cannot convey good title, so title searches are routine (or highly recommended) for purchases of many types of expensive property (especially real estate).
Chemical drugs are often more pure and better characterized by current analytical technology than biologics. A biologic agentâs activity may be affected by the cell system in which it is produced, the fermentation media, or operating conditions. The use of living organisms to produce therapeutic extracts is not new.
Specialty drugs, a recent classification of pharmaceuticals, are high-cost drugs that are often biologics. Gene-based and cellular biologics, for example, often are at the forefront of biomedical research, and may be used to treat a variety of medical conditions for which no other treatments are available.n the United States, biologics are regulated by the FDA's Center for Biologics Evaluation and Research whereas drugs are regulated by the Center for Drug Evaluation and Research. Approval may require several years of clinical trials, including trials with human volunteers.