selectivity


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
Related to selectivity: drug selectivity

selectivity

 [sĕ-lek-tiv´ĭ-te]
in pharmacology, the degree to which a dose of a drug produces the desired effect in relation to adverse effects. adj., adj selec´tive.
grid selectivity a ratio comparing the transmitted primary radiation to the transmitted scatter radiation in an x-ray grid.

selectivity

(sē-lek-tiv'i-tē),
A property of a drug determined by combining its affinity at various binding sites, the knowledge of which can help predict a drug's potential for therapeutic and side effects.

selectivity

/se·lec·tiv·i·ty/ (sĕ-lek-tiv´ĭ-te) in pharmacology, the degree to which a dose of a drug produces the desired effect in relation to adverse effects.

selectivity

[sil′ektiv′itē]
Etymology: L, seligere
1 the capacity factor ratios of two substances measured under identical chromatographic conditions.
2 the ratio of isomeric reaction products formed in a reaction where more than one product may be formed. Also called chromatographic selectivity, separation factor.

se·lec·tiv·i·ty

(sĕ-lek-tiv'i-tē)
A property of a drug determined by combining its affinity at various binding sites, the knowledge of which can help predict a drug's potential for therapeutic and adverse effects.

selectivity

1. the accuracy of a test in identifying animals that have the disease which is under investigation; the number of false positives to the test will be low in a selective test.
2. in pharmacology, the degree to which a dose of a drug produces the desired effect in relation to adverse effects.

Patient discussion about selectivity

Q. clonex symptoms in Selective Mutism Syndrome children My son is 6.5 years old, with selective mutism syndrome - in a months time he shall be entering first grade. We have, the past 2 years been with therapists specializing in this field. He has improved outside a closed system i.e. within the kindergarten (primarily) we even see some regression. We have been at major dilemmas with giving him medication but due to the critical time - we were recommended to take 0.125 mg of Clonex medication. we are a little worried and would like to understand the possible symptoms

A. As a benzodiazepin, it can cause drowsiness, weakness and other changes in behavior. There may be some other side-effects, that you can read about here (http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a682279.html)

More discussions about selectivity
References in periodicals archive ?
The acetic acid selectivity increased from ~ 40% to ~75%; meanwhile, the ethylene selectivity decreased from ~ 66% to near-complete depletion from the reactor effluent.
High-pressure Dow Chemical and Hydranautics membranes have increased selectivity to boron.
Past research has linked traditional masculinity with romantic selectivity (Finkel & Eastwick, 2009; Taylor, 2012; Watkins, Jones, & DeBruine, 2010).
However, two studies have demonstrated treatment packages involving peer modeling to be successful for treating food selectivity and refusal in children with special needs.
Let us begin with a conceptual issue: because participants were not able to observe their dates' behavior towards other people, selectivity would be hard to estimate.
These circuits present high skirt selectivity, but they usually require a complex design procedure and have a larger circuit area due to the many series or shunt stubs.
Generally, selectivity can be measured in two ways: directly and indirectly (Millar and Fryer, 1999).
People have generally thought that selectivity of ion channels is fixed and that selectivity and opening are separate processes; this is a fundamental shift in the way scientists believe ion channels operate," Prakriya said.
The difficulty to date in judging the quality of higher educational institutions is that the most common metrics are selectivity measures like acceptance rates, input measures such as SAT scores, and outcome measures such as wage and career data.
In order to do CCS from real industrial flue gas, membranes must be able to maintain their selectivity at extremely high throughput rates- up to 500 cubic metres per second.