has been purified

USAGE SUMMARY

The phrase "has been purified" is correct and usable in written English.
It can be used to indicate that something has undergone a process of purification in the past and is now in a purified state. Example: "The water has been purified to ensure it is safe for drinking."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The soul has been purified.

Encyclopedia Britannica

Most of the water irrigating Israeli fields and orchards has been purified to drinking-water quality.

The New York Times

A type II DNA topoisomerase has been purified from the nuclei of Drosophila melanogaster 6- to 18-h-old embryos.

Stanford University

This enzyme (NmeIPMS) has been purified, characterised, and compared to α-IPMS proteins from other bacteria.

Biochemical and Biophysical Research Communications

Plutonium, a man-made element; or uranium, in which the form most suitable for bombs, uranium-235, has been purified.

The New York Times

It's an effective treatment because the active ingredient has been purified and tested in clinical trials.

Independent

The words of the chants explain that poisonous hatred has been purified into "wisdom that resembles a mirror, transcending the division between self and others".

The New York Times

It is naturally harvested coarse-grain Hawaiian sea salt that has been purified with lava and charcoal, giving it a clean flavor and a distinctive look.

The New York Times

Additionally, a specific metabolic esterase with permethrin-hydrolyzing activity, CzEst9, has been purified and its gene coding region cloned.

Veterinary Parasitology

Recombinant CYP-5 has been purified, crystallised and the X-ray structure solved to a resolution of 1.75 Å.

Journal of Molecular Biology

AAT, a major inhibitor of proteases has been purified from A+1 supernatant using a three step chromatographic process.

Food and Bioproducts Processing

Expert writing Tips

Best practice

When using "has been purified", ensure that the context clearly indicates what impurities have been removed and the method of purification, if relevant. Specificity enhances clarity.

Common error

Avoid using "has been purified" when the substance or object is only partially purified. Instead, use terms like "partially purified" or "enriched" to more accurately reflect the level of purity achieved.

Linguistic Context

The phrase "has been purified" primarily functions as a passive voice construction, indicating that a subject has undergone a process to remove impurities or unwanted elements. As Ludwig AI confirms, this phrase is grammatically sound and commonly used.

Expression frequency: Very common

Frequent in

Science

60%

News & Media

20%

Academia

15%

Less common in

Encyclopedias

1%

Wiki

1%

Formal & Business

3%

Ludwig's WRAP-UP

In summary, the phrase "has been purified" is a grammatically sound and frequently used expression, as Ludwig AI confirms. It serves to indicate that a subject has undergone a purification process. While the phrase is most prevalent in scientific and academic contexts, its usage also extends to news and media. Alternative phrases, such as "has been refined" or "has been cleansed", can be used to convey similar meanings, depending on the specific context. When using the phrase, ensure that the context clearly defines what has been removed and avoid overstating the degree of purification.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

has undergone purification

This is a more formal way of expressing the same meaning as the original phrase.

has been refined

This alternative emphasizes the process of improving something by removing unwanted elements.

has been cleansed

This suggests a thorough cleaning, often with a focus on removing dirt or contaminants.

has been filtered

This implies the use of a filter to remove unwanted particles or substances.

has been distilled

This suggests a process of purification through evaporation and condensation, often used for liquids.

has been sanitized

This emphasizes the removal of harmful microorganisms.

has been decontaminated

This focuses on the removal of hazardous substances or pollutants.

has been clarified

This suggests making something clear or transparent by removing impurities.

has been extracted

This implies the isolation of a specific substance from a mixture, which involves a purification step.

has been processed

Implies that something has been manipulated or modified, possibly including a step of purification.

FAQs

How is "has been purified" used in scientific writing?

In scientific contexts, "has been purified" indicates that a substance has undergone a process to remove contaminants, often with specific methods detailed in the research. For example, "The enzyme "has been purified" using chromatography."

What are some alternatives to "has been purified" in formal writing?

In formal writing, you can use phrases like "has been refined", "has undergone purification", or "has been extracted" depending on the specific context and process involved.

Is it correct to say "has been purified of" something?

While grammatically understandable, it is more common and stylistically preferable to say "has been purified" and specify the substance that was removed separately, for example, "The water "has been purified" to remove contaminants."

What's the difference between "has been purified" and "has been cleaned"?

"Has been purified" implies a more thorough process of removing specific impurities, often at a molecular level, whereas "has been cleaned" generally refers to the removal of visible dirt or surface contaminants.