characterized upon

USAGE SUMMARY

The phrase "characterized upon" is not correct and does not convey a clear meaning in written English.
It is not a standard expression and may confuse readers. A more appropriate phrase would be "characterized by." Example: "The project is characterized by its innovative approach to problem-solving."

⚠ May contain grammatical issues

Science

Human-verified examples from authoritative sources

Exact Expressions

7 human-written examples

Subsequently, vocalic events are characterized upon their abnormality using critical band based Teager energy operator (TEO) autocorrelation envelope area [11], pitch and harmonic to noise ratio (HNR).

EURASIP Journal on Audio, Speech, and Music Processing

Bulk SiCN glasses, derived from polymer precursors with tailored architectures, were characterized upon pyrolysis at 1000 °C and subsequent annealing at 1400 °C and 1540 °C.

Journal of Non-Crystalline Solids

The biocomposites of HAp with PVA exhibited relatively high elasticity (as revealed by the linear viscoelastic material functions, characterized upon small-amplitude oscillatory shear) especially upon cryogenic treatment.

Colloids and Surfaces B: Biointerfaces

Despite their potential relevance for engineering of isobutanol-producing yeast, these enzymes have not previously been characterized upon expression in S. cerevisiae.

Biotechnology for Biofuels

Unfortunately, these proteins are frequently fully characterized upon the first fragmentation so additional fragmentation of the protein produces no additional information.

Analytical Chemistry

Late-postoperative CBDS was mostly characterized upon slit-lamp examination by a fibrotic, thickened anterior capsular opening and by the accumulation of a liquefied substance between the IOL and the PC.

BMC Ophthalmology

Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

In this work, the dosimetric characteristics of the 125I source were measured with micro LiF TLD chips and dosimetry parameters were characterized based upon the American Association of Physicists in Medicine, Task Group, No. 43 formalism.

Applied Radiation and Isotopes

Seven distinct serotypes (A to G) of the spore-forming Clostridium botulinum have been characterized based upon production of structurally and functionally unique botulinum neurotoxins (BoNTs) [1].

Plosone

Indels were characterized based upon the length of the inserted or deleted sequence, whether it was intronic, intergenic or exonic.

BMC Genomics

These gene sets were characterized based upon their expression across 10 cell types present in psoriasis lesions.

BMC Medical Genomics

These variants were characterized based upon their location or putative effect on the encoded protein: synonymous, non-synonymous, nonsense, splice-site, 5' or 3' UTR.

BMC Genomics

Expert writing Tips

Best practice

Avoid using "characterized upon" in your writing. Replace it with the grammatically correct and widely accepted phrase "characterized by".

Common error

Many writers mistakenly use "upon" after "characterized". The correct preposition is "by". So instead of saying, "The data was characterized upon analysis", say, "The data was characterized by its accuracy."

Linguistic Context

The phrase "characterized upon" functions as a verb phrase with a preposition, but it is grammatically incorrect. Ludwig AI indicates that the correct phrasing is generally "characterized by".

Expression frequency: Uncommon

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, while the phrase "characterized upon" appears in some scientific literature, it is generally considered grammatically incorrect. Ludwig AI suggests using "characterized by" instead. The intent behind using "characterized upon" is typically to describe or define something by its attributes, but the incorrect preposition hinders effective communication. It's crucial to adopt the correct phrasing, especially in formal or scientific writing, to maintain clarity and professionalism. Always prefer "characterized by" to ensure grammatical accuracy.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

characterized by

Replaces the preposition "upon" with "by" for standard grammatical correctness.

defined by

Substitutes "characterized" with "defined" to emphasize the defining qualities.

marked by

Uses "marked" instead of "characterized" to indicate notable features.

identified by

Replaces "characterized" with "identified" to focus on recognition.

distinguished by

Emphasizes the unique aspects that set something apart.

known for

Highlights the well-recognized attributes.

recognized by

Focuses on the act of acknowledging specific traits.

features

Uses the noun form to describe key attributes.

exhibits

Indicates the presence of specific qualities.

displays

Highlights the visible or apparent attributes.

FAQs

What is the correct preposition to use with "characterized"?

The correct preposition is "by". Therefore, the proper phrasing is "characterized by", not "characterized upon".

What can I say instead of "characterized upon"?

Use alternatives such as "characterized by", "defined by", or "marked by" depending on the context.

Is "characterized upon" grammatically correct?

No, "characterized upon" is not grammatically correct. The correct form is "characterized by".

How do I use "characterized by" in a sentence?

For example, "The study is characterized by its rigorous methodology" is correct, whereas "The study is characterized upon its rigorous methodology" is incorrect.