observed upon

USAGE SUMMARY

The phrase "observed upon" is not correct and is not commonly used in written English.
It is typically intended to convey the act of observing something, but the preposition "upon" is not appropriate in this context. Example: "The results were observed in the experiment."

⚠ May contain grammatical issues

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

It is even observed upon the most lofty of Alps.

The New York Times - Science

A similar pattern was observed upon subgroup analysis.

International Journal of Emergency Medicine

Conversely no yellow brown discoloration is observed upon UV irradiation.

Heritage Science

Similarly impaired ion signaling was observed upon gravistimulation.

Current Biology

During cycling a reversible pressure decrease was observed upon charging.

Electrochimica Acta

One to four phase transitions have been observed upon heating.

Thermochimica Acta

Order order transitions are observed upon heating some hybrids.

Polymer

The fluorescence of the QD was observed upon the addition of saccharides.

Chemistry Central Journal

This explains the increased resistance to drought that is observed upon addition of IONs.

Nanoscale Research Letters

Intracellular labelling observed upon salt (upper) and osmotic stress (middle) are indicated with arrows.

Rice

Moreover, accumulation of saliva and the distended esophagus were observed upon upper gastrointestinal endoscopy (Fig. 7).

Surgical Case Reports

Expert writing Tips

Best practice

Avoid using "observed upon" in formal writing. Instead, use more common and grammatically correct alternatives like "observed in", "noted in", or "detected in" depending on the context.

Common error

Many writers mistakenly use "upon" after "observed", likely due to its archaic usage in similar contexts. Always double-check your preposition choices and opt for "in", "during", or "when" for clarity and correctness.

Linguistic Context

The phrase "observed upon" functions as a passive verb construction combined with a preposition. However, it's considered grammatically incorrect and is not recommended for standard English usage. As Ludwig AI points out, the preposition 'upon' is inappropriate in this context.

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, while the phrase "observed upon" appears frequently, particularly in scientific publications, Ludwig AI confirms that it's grammatically incorrect. It's best to replace it with more standard alternatives like "observed in", "observed during", or other contextually appropriate phrases. Using these alternatives will ensure clearer and more grammatically sound writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

noticed in

Replaces "observed upon" with a more common and grammatically sound prepositional phrase, focusing on the location of the observation.

detected in

Similar to "noticed in", but implies a more technical or scientific detection process.

seen in

A simpler and more direct alternative, suitable for general observations.

noted in

Suggests a formal or recorded observation, often used in documentation.

found in

Indicates the discovery of something during an observation.

identified in

Implies a clear and specific recognition of something during the observation.

witnessed in

Suggests a direct and personal experience of observing something.

recognized in

Implies a prior knowledge or expectation that allows for the observation to be understood.

experienced during

Focuses on the subjective experience of the observation, rather than the observation itself.

encountered in

Suggests an unexpected or chance observation.

FAQs

What is the correct way to use "observed upon" in a sentence?

The phrase "observed upon" is generally considered grammatically incorrect. It's better to use phrases like "observed in", "observed during", or "observed when" depending on the context. For example, instead of "The effect was observed upon heating", use "The effect was "observed during" heating".

What can I say instead of "observed upon"?

Alternatives to "observed upon" include "observed in", "noted in", "detected in", or "seen in". The best choice depends on the specific context of your sentence.

Which is correct, "observed upon" or "observed in"?

"Observed in" is the grammatically correct and more widely accepted phrase. "Observed upon" is considered incorrect by many style guides and may sound awkward to native English speakers.

Is "observed upon" ever appropriate to use?

While "observed upon" appears in some published works, especially in scientific literature, it is generally not recommended due to its perceived awkwardness and potential for misinterpretation. It's safer to use alternatives like ""observed during"" or "observed when" for better clarity and adherence to standard English grammar.