The toxin assays that have been used for some time to confirm the diagnosis of [C difficile], while fairly specific, are not as sensitive as you would like. Real-time PCR, however, detects DNA associated with the organism and is much more sensitive, detecting a vast majority â if not 100%, very close to it..
Consideration is the price paid for the promise. When thinking of consideration, one must think in terms of legal value as opposed to economic value. While economic value (e.g., money) is the most common form of consideration, consideration does not have to involve money. In order for a contract to be enforceable, each party to the contract must change his or her legal position in some way. Deeds in many, if not most, cases do not recite the actual sales price.
This page deals with consideration under American law; an English focused article is available here. Consideration is the central concept in the common law of contracts and is required, in most cases, for a contract to be enforceable. Consideration is the price one pays for another's promise. It can take a number of forms: money, property, a promise, the doing of an act, or even refraining from doing an act. In broad terms, if one agrees to do something he was not otherwise legally obligated to do, it may be said that he has given consideration.