selectivity


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Related to selectivity: drug selectivity

selectivity

[sə‚lek′tiv·əd·ē]
(analytical chemistry)
The ability of a type of method or instrumentation to respond to a specified substance or constituent and not to others.
(electronics)
The ability of a radio receiver to separate a desired signal frequency from other signal frequencies, some of which may differ only slightly from the desired value.
The inverse of the shape factor of a bandpass filter.
References in periodicals archive ?
05Ox /TiO2 resulted in an acetic acid selectivity of approximately 40% and an ethylene selectivity of more than 48% in the best conditions.
3] on the selectivity of the low-pressure reverse osmosis membrane have not been observed over the entire pH range.
The higher activity of StyroMax UL3 increases yields, while its improved selectivity decreases the occurrence of by-products such as toluene and benzene, which are typically less valuable than styrene monomer.
Based on these ideas, it was hypothesized that exposure to skewed gender ratios in media narratives would affect selectivity for romantic or sexual partners and romantic confidence.
Most interventions for treating food selectivity in children with special needs involve differential reinforcement, escape extinction, and fading (Seiverling, Williams, Ward-Horner, & Sturmey, 2011).
Precursors carbonized at 700[degrees]C exhibited the highest permeability but the least selectivity (22).
EFMA07 interpreted this dissociation as evidence for selectivity being an important component of desirability.
These filters are with small circuit size, but they usually have a poor selectivity comparing first method and the second passbands are always affected by the first passbands.
Abstract--Gillnet mesh selectivity parameters were estimated for juvenile blacktip sharks (Carcharhinus limbatus) by using length data from an experimental fishery-independent gillnet survey in the northeastern Gulf of Mexico.
The Feinberg team, led by Murali Prakriya, assistant professor of molecular pharmacology and biological chemistry, discovered that STIM1 not only opens these pores but is responsible for determining the exquisite selectivity for calcium ions within the CRAC channels, a critical factor in kick starting the body's immune system.
These considerations raise the question: is the selectivity of a college necessarily an indicator of the quality of education received?