a selectivity of

USAGE SUMMARY

The phrase "a selectivity of" is correct and usable in written English.
It can be used when discussing the degree or quality of selectiveness in a particular context, such as research, decision-making, or preferences. Example: "The study demonstrated a selectivity of responses among participants based on their prior experiences."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Duplex P9-15 possessed a selectivity of 5-fold, while duplex P9-16 was 10-fold selective.

Biochemistry

And yet, like many autistic children, she soon developed an immense power of concentration, a selectivity of attention so intense that it could create a world of its own, a place of calm and order, in the chaos and tumult: "I could sit on the beach for hours dribbling sand through my fingers and fashioning miniature mountains," she writes.

The New Yorker

A selectivity of the receiver is higher if data rate equals to the quench frequency [46].

EURASIP Journal on Wireless Communications and Networking

Under these conditions, the yield is above 95% for a selectivity of about 6.6‰.

Separation and Purification Technology

The product analysis indicates a selectivity of the polycrystalline gold towards formation of acetaldehyde.

Catalysis Today

Below a selectivity of 25 the second design with a single membrane stage had the lowest energy demand.

International Journal of Greenhouse Gas Control

Up to now, the most promising materials developed at laboratory scale show a selectivity of 100 160.

Journal of Membrane Science

The etching behavior of the SrRuO3 film is investigated, and a selectivity of 1 9,100 with respect to the SrTiO3 substrate is found.

Nanoscale Research Letters

The representative chromatogram from both i.e. IS fortified plasma extract as well as DOX fortified blank plasma, showed a selectivity of the method as presented in Fig. 6a.

Chemistry Central Journal

Among all possible couples of thresholds, the S ratio selected RAP < 10 mmHg as predicting ΔLVSW > 42 g.m. with a selectivity of 0.63 and a specificity of 0.61.

Annals of Intensive Care

Cr Si-2 moleCr Si-2ieve catalyst with 1.28 wt% chromolecular 45.5% ethylene yield with a sievetivity of 87.9% at 650 °catalyst

Applied Petrochemical Research

Expert writing Tips

Best practice

When reporting a "selectivity of" a process or material, always specify the context and the entities between which the selectivity is being measured. For instance, instead of just saying "a selectivity of 90%", state "a selectivity of 90% for nitrogen over methane".

Common error

Avoid assuming that a high "selectivity of" something automatically equates to overall efficiency or effectiveness. A process can be highly selective for a particular outcome while still having a low overall yield. Always consider other factors like conversion rates and potential byproducts.

Linguistic Context

The phrase "a selectivity of" typically functions as a noun phrase acting as a subject complement or object of a preposition, specifying the extent to which something favors a particular choice or outcome. Ludwig AI's analysis confirms this, showing it used to quantify preference, especially in scientific contexts.

Expression frequency: Very common

Frequent in

Science

90%

News & Media

5%

Formal & Business

3%

Less common in

Wiki

2%

Reference

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "a selectivity of" is a phrase primarily used in formal and scientific contexts to quantify the degree to which a process or substance favors a particular outcome. As Ludwig AI's analysis shows, the phrase is grammatically correct and very common, particularly in scientific literature. When using this phrase, clarity is key: specify the context and the entities being compared. Common errors involve oversimplifying the meaning and neglecting other important factors. By understanding its proper usage and potential pitfalls, you can effectively communicate precise information about selectivity in various applications.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a degree of selectivity

Replaces "selectivity" with a more general term indicating the extent to which something is selective.

a level of selectivity

Similar to "a degree of selectivity", this focuses on the measurement or extent of selectivity.

the measure of selectivity

Emphasizes the quantification aspect of selectivity.

the capacity for selection

Shifts the focus to the ability to select specific items or options.

a penchant for choosing

Indicates a strong inclination towards selecting specific items or options.

a predisposition toward

Highlights a pre-existing inclination or tendency for specific selections.

an inclination toward

Similar to "a predisposition toward", but perhaps less innate or deeply ingrained.

a bias in favor of

Implies an unfair or disproportionate preference for certain options.

a discriminatory approach

Suggests a method or strategy involving conscious discrimination or selection.

a targeted approach

Focuses on the deliberate act of aiming for specific selections or outcomes.

FAQs

How is "a selectivity of" typically measured in scientific contexts?

In scientific contexts, "a selectivity of" is often quantified as a ratio or percentage, indicating the preference of a process or substance for one outcome or target over others. For example, catalyst "a" might have "a selectivity of" 90% for Product B over Product C.

What are some alternatives to "a selectivity of" in formal writing?

In formal writing, you can use phrases such as "a degree of selectivity", "a level of selectivity", or "the capacity for selection" as alternatives to "a selectivity of", depending on the nuance you wish to convey. You might also consider rephrasing to use verbs like "preferentially selects" or "shows a preference for".

Which is correct, "a selectivity of" or "the selectivity of"?

Both "a selectivity of" and "the selectivity of" can be correct, but they imply slightly different meanings. "A selectivity of" refers to a specific instance or measurement of selectivity, while "the selectivity of" refers to the general characteristic or property of being selective. For example, compare "the selectivity of the membrane" versus "the membrane had "a selectivity of" 50 for CO2 over N2".

How does "a selectivity of" relate to specificity?

"Selectivity" and "specificity" are closely related but not identical. "Selectivity" refers to the degree to which a process or substance favors one outcome over others, while "specificity" implies an exclusive focus on a single, defined target. Something can have "a selectivity of" 95% for one target over another, but if it also interacts (even weakly) with other targets, it is not entirely specific.