became negative for

USAGE SUMMARY

The phrase "became negative for" is not standard in written English and may cause confusion.
It could be used in contexts where you are discussing a change in status or condition, but it is better to clarify the subject matter. Example: "After the test results were analyzed, the patient's condition became negative for any serious illness."

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

33 human-written examples

This relationship was affected by altitude, and after filtering out this variable, the effect remained positive for neophytes but became negative for archaeophytes in humid grasslands.

Biological Conservation

AST and ALT became normal on POD 382, and he became negative for HEV RNA on POD 417.

Surgical Case Reports

Later in the same article Stiglitz offers up this factoid: "[America's] household savings became negative for the first time since the Great Depression".

Forbes

Four of the 5 bats became negative for CoV RNA within 6 weeks after they tested positive for CoV RNA.

Plosone

However, this significant positive association became negative for higher matching of A (H3N2) and public health efforts with post-SARS effect.

Plosone

The parasite clearance time (PCT100) was defined as the time from the start of treatment until the first time the blood smear became negative for asexual parasites and remained negative at 2 consecutive measurements.

Plosone

Human-verified similar examples from authoritative sources

Similar Expressions

27 human-written examples

Emissions would also have to become negative for the second half of the 21stcentury, using questionable technologies yet to be developed at scale.

Cornell University

To understand the effect of autoinducers on possible expression of the O1 antigen in V. cholerae, we directly investigated whether a proportion of V. cholerae O1 cells become negative for agglutination with specific polyclonal antiserum when grown in the presence of autoinducers.

Nature

This quantity becomes negative for (tau> 1/(a_{j} 1-beta^{2}))equiv tau _{jH} 1-beta^{2}

The Journal of Mathematical Neuroscience

For both calculations, i.e., Legendre collocation solver and post-processed reduced basis method, the real part of the eigenvalues becomes negative for the same integer value, (R_{c3}=1538).

Journal of Mathematics in Industry

Furthermore, their interdependence becomes negative for most of the 39 countries during crisis periods, which is consistent with the definition of flight to quality.

Financial Innovation

Expert writing Tips

Best practice

When using "became negative for", ensure the context clearly indicates what is being tested or measured. For clarity, specify the substance or condition that is no longer present, such as "became negative for the virus".

Common error

Avoid using "became negative for" in general contexts where a simpler term like "cleared" or "tested negative" would suffice. Overusing this phrase can make your writing sound overly technical or unclear, especially when communicating with a non-specialist audience.

Linguistic Context

The phrase "became negative for" functions as a predicate in a sentence, indicating a change in condition or state. As Ludwig AI indicates, it describes something that was previously positive or present but is now absent or testing negative. The examples provided show its usage across scientific and medical contexts.

Expression frequency: Common

Frequent in

Science

89%

Academia

5%

News & Media

3%

Less common in

Formal & Business

1%

Encyclopedias

1%

Wiki

0%

Ludwig's WRAP-UP

In summary, "became negative for" is a phrase used to describe a change in status, typically in scientific or medical contexts, where something previously positive is now absent or testing negative. Ludwig AI notes that it's grammatically acceptable but suggests considering more direct alternatives like "tested negative" for clarity. The phrase is most common in science and related academic fields. While technically correct, it's important to ensure the context warrants the level of formality and precision this phrase implies, and avoid overuse in general writing. As shown by Ludwig, understanding its nuances ensures effective communication in various settings.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

tested negative for

This alternative is more direct and commonly used, specifically in medical or scientific contexts when referring to test results.

turned negative for

This option emphasizes the change in state from positive to negative, similar to the original phrase.

resulted negative for

While less common, it indicates the outcome of a test or process.

showed a negative result for

This is a more explicit and formal way of stating the outcome of a test or analysis.

cleared for

This is more general way to say something is not found after testing or analysis.

presented a negative outcome for

This phrase emphasizes that the end conclusion of the observation was negative.

exhibited a negative response to

This alternative suggests a lack of reaction or presence when tested.

displayed no signs of

This indicates an absence of evidence or indicators for a particular condition.

converted to negative for

This highlights the transition from a previous state to a negative status.

indicated absence of

This phrase is more general and implies the lack of something based on observation or testing.

FAQs

What does "became negative for" mean?

It means that after a period of being positive or present, something is now absent or testing negative for a specific substance, condition, or marker. It often implies a change in status, such as a patient's test results or a scientific measurement.

What can I say instead of "became negative for"?

You can use alternatives like "tested negative for", "turned negative for", or "cleared for" depending on the context. These options may provide more clarity or be more appropriate for general audiences.

In what contexts is it appropriate to use "became negative for"?

It's suitable in scientific, medical, or technical contexts where you need to precisely describe a change from a positive to a negative state. For example, describing a patient's test results after treatment or a change in a scientific measurement.

How does "became negative for" differ from "tested negative for"?

"Became negative for" implies a change in status from positive to negative, while "tested negative for" simply indicates the result of a test at a specific point in time, without necessarily implying a prior positive status.