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 ?
The reason is the important characteristics of these sensors, including high sensitivity, high selectivity, ease of production, repeatability and reasonable price.
Less is known about the impact of gender ratios in symbolic environments on men, though one study found that viewing a soap opera narrative featuring skewed gender ratios influenced men's selectivity for a potential relationship partner (Taylor, 2013).
The carbonized membranes are said to have good selectivity with adequate flow and very good stability.
Diamond Analytics FLARE columns offer unique selectivity and expand the existing range of analytical capabilities in separation science using diamond-based technology, which allows for research into new areas of HPLC methods development.
Incorporation of PBI resulted in improvements in gas separation performance of polyimides caused by the increase in chain packing density and hindrance in segmental mobility of polyimide chains and its consequent effects on diffusivity selectivity (20),(21).
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.
The unexpected surprise was seeing the mixed gas selectivity higher than the pure gas," says Dal-Cin.
Editor Neve (behavioral neuroscience, VA Medical Center, Portland) has enlisted the help of expert pharmacologists and neuroscientists to assemble this textbook on functional selectivity of G protein-coupled receptor ligands, giving students and researchers in drug development and chemical biology a theoretical framework for further study.
Hout (world development, Institute of Social Studies, Geneva) analyzes the aid selectivity policies of the World Bank, the Netherlands, and the United States through a review of policy documents and interviews and quantitative-empirical analysis of policy choices related to the selection of aid recipients and the allocation of aid over the recipient countries in order to assess the validity of these claims.
The resultant selectivity curve yielded a 50% retention length of 100.