are characterised upon

USAGE SUMMARY

The phrase "are characterised upon" is not correct in standard written English.
It is not a commonly used construction and may confuse readers. The correct preposition should be "by" instead of "upon." Example: "These species are characterised by their unique adaptations to the environment."

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

In general, MSCs are characterised upon expression of a group of surface receptors and upon their multilineage potential [40].

Plosone

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

Their tops are characterised by geomorphological surfaces upon which intensive periglacial activity took place.

Quaternary Science Reviews

Patients with gastrointestinal food allergy are characterised by increased production of mast cell derived mediators upon allergen contact and present often with unspecific symptoms.

BMC Gastroenterology

Despite this variability, these proteins adopt upon folding comparable three-dimensional structures, that are characterised by an internal hydrophobic core supporting three protruding fingers [4].

Plosone

It is, however, not known if diabetic patients, who are characterised by mitochondrial dysfunction, are also able to restore intrinsic mitochondrial function upon exercise training.

Diabetologia

Many neurodegenerative disorders are characterised by intracellular inclusions of highly insoluble proteins, and a classification based upon the main protein component of these aggregates is widely used.

Biochimica et Biophysica Acta - General Subjects

The various cores are characterised by their dependencies of through-thickness compressive strength and longitudinal tensile strength upon relative density.

Journal of the Mechanics and Physics of Solids

In Maus the Jews are characterised as mice.

The Guardian - Books

Instead, Camus and Sartre are characterised as modish.

The Guardian - Books

The manufactured sensors are characterised.

Mechatronics

The systems are characterised by:.

Artificial Intelligence in Medicine

Expert writing Tips

Best practice

Always use "are characterised by" instead of "are characterised upon". The preposition "by" is the correct choice for indicating the attributes that define something.

Common error

Avoid using "upon" after "are characterised". The correct preposition is "by". Using "upon" in this context is grammatically incorrect and may confuse readers.

Linguistic Context

The phrase "are characterised upon" functions as a descriptive expression, aiming to define or identify something based on specific attributes. However, Ludwig indicates that the preposition usage is incorrect, impacting the phrase's overall effectiveness.

Expression frequency: Rare

Frequent in

Science

60%

News & Media

40%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "are characterised upon" is grammatically incorrect; the correct form is "are characterised by". Ludwig identifies this as a non-standard construction that may confuse readers. While the phrase attempts to describe and classify subjects based on certain attributes, its incorrect preposition usage detracts from its effectiveness and credibility. The phrase appears infrequently, primarily in scientific and news-related contexts, but should be avoided in favor of the grammatically correct alternative.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

are characterised by

Replaces "upon" with "by", which is the correct and standard preposition to use in this context.

are defined by

Substitutes "characterised" with "defined", offering a more direct and common way to express the defining attributes of something.

are identified by

Uses "identified" instead of "characterised", focusing on the distinguishing features that allow something to be recognized.

are distinguished by

Emphasizes the unique qualities that set something apart, using "distinguished" in place of "characterised".

are marked by

Replaces "characterised" with "marked", highlighting the prominent features or signs that define something.

are known for

Focuses on the widely recognized attributes or qualities, using "known for" instead of "characterised upon".

are recognised by

Highlights the features that make something easily recognized, using "recognised" as an alternative to "characterised".

are typified by

Suggests that something serves as a typical example, using "typified" in place of "characterised upon".

are exemplified by

Indicates that something is a clear example of a particular quality or characteristic, replacing "characterised upon".

are featured with

Describes the notable aspects or elements that something includes, using "featured with" as an alternative.

FAQs

What is the correct way to say something is defined by certain traits?

The correct phrase is "are characterised by", not "are characterised upon". For example, "These species "are characterised by" their unique adaptations".

Which is correct, "are characterised by" or "are characterised upon"?

"Are characterised by" is the correct and commonly used phrase. "Are characterised upon" is grammatically incorrect.

What can I say instead of "are characterised upon"?

You can use alternatives like "are defined by", "are identified by", or "are marked by" depending on the specific context.

How can I avoid mistakes when using the phrase "are characterised"?

Always remember to use the preposition "by" after "are characterised". Double-check your writing to ensure you haven't mistakenly used "upon" or another incorrect preposition.