The phrase "a single testing for" is correct and usable in written English.
It can be used when referring to one instance of testing for a specific purpose or condition.
Example: "The study focused on a single testing for the presence of the virus in the samples collected."
Alternatives: "one test for" or "a solitary test for".
InVitae, a start-up developing a single test for all rare inherited diseases, filed a brief arguing against gene patents for this reason.
They charge that reliance on a single test for determining who gets into Bronx Science and seven other specialized high schools discriminates against young African-Americans and Latinos.
In the bad old days a single test for the Sex-determining Region Y gene was all that was required to establish the sex of anyone passing as female.
A front-page article on Thursday about a federal commission that is exploring the use of standardized testing in colleges and universities omitted part of the name of an organization whose president opposes the use of a single test for all higher education.
The outgoing CBI director general said he wanted four changes to the education system: careers guidance at the start of secondary school; high quality vocational and technical education along German lines to be provided from 14; an end to "the exam factory" by abolishing GCSEs; and a single test for all pupils at 18 with equal parity for academic and non-academic courses.
The questions on which the bureau is seeking public input also include what criteria to use to measure a market participant, how to set the threshold for "larger participant," whether to use a single test for all markets or specific market-related tests and over what time period a participant's activities should be measured.
Studies have shown that using a single test for both confirmatory diagnosis and VL increases linkage to care.
Targeting just one chemical inside cancerous cells could one day lead to a single test for a broad range of cancers, researchers say.
To detect the state of the system once a failure has been injected, one therefore needs to run a single test for each component in the system.
Additionally, it cannot be recommended as a single test for sepsis diagnosis, but may be useful in combination with some sensitive biological markers.
