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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
immediately upon contact
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "immediately upon contact" is correct and usable in written English.
It can be used to describe an action or reaction that occurs right after something comes into contact with another object or surface. Example: "The chemical reaction occurs immediately upon contact with water, producing a significant amount of gas."
✓ Grammatically correct
Science
News & Media
Academia
Wiki
Encyclopedias
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
16 human-written examples
In the Americas, Africa, Australia, and elsewhere, colonial administrators applied these terms to specific groups almost immediately upon contact.
Encyclopedias
Contact activation and endothelialization are known to be determined by the plasma proteins which adsorb onto virtually all synthetic surfaces almost immediately upon contact with blood.
Science
If you happen to have lost the ability to cry through a combination of Botox and cocktail of personality disorders, this floral-scented eye irritant will produce extremely realistic tears immediately upon contact!
News & Media
The PA solution was extruded through a 0.41 mm inner diameter nozzle (Nordson EFD) and gelled immediately upon contact with CaCl2, allowing for string hydrogels to be patterned into squares with varying print paths designed in Slic3r.
Science & Research
Rime occurs when supercooled water droplets (at a temperature lower than 0° C [32° F]) in fog come in contact with a surface that is also at a temperature below freezing; the droplets are so small that they freeze almost immediately upon contact with the object.
Encyclopedias
BTA seems to react with copper II) ions immediately upon contact with verdigris.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
44 human-written examples
Complement proteins circulate in the blood as inactive precursors, but are immediately activated upon contact with target cells.
Science
"Almost immediately upon making contact, the adult males in the patrol party began attacking the unknown females, two of whom were carrying dependent infants," she said.
News & Media
Video of the incident released by the Post shows Isaacs shooting Small almost immediately upon making contact with him.
News & Media
Only cases where patients presented STEMI positive immediately upon first medical contact (triage at hospital or EMS) and were subsequently treated with primary PCI were selected.
Science
However, PRP is also readily activated in the presence of collagen type I, and because of the rapid release of growth factors after platelet activation, it can be beneficial to use a direct injection method in cases where the releasate would form immediately upon injection and contact with the area of injury, particularly with injured or damaged soft tissues such as ligaments and tendons [ 26].
Expert writing Tips
Best practice
Use "immediately upon contact" to clearly indicate that an action or reaction happens without any delay after the moment of contact. This phrase is useful in scientific, technical, and formal contexts where precision is important.
Common error
Avoid using "immediately upon contact" in very casual or informal writing. Simpler alternatives like "right after contact" or "as soon as it touches" may sound more natural.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "immediately upon contact" functions as an adverbial phrase specifying when something happens. It modifies a verb or clause to indicate the timing of an action or reaction, emphasizing the lack of delay. As Ludwig AI indicates, it's grammatically correct.
Frequent in
Science
50%
News & Media
21%
Academia
16%
Less common in
Wiki
8%
Encyclopedias
3%
Formal & Business
2%
Ludwig's WRAP-UP
In summary, the phrase "immediately upon contact" is a grammatically sound adverbial phrase used to denote that an action or reaction happens without delay after something comes into contact with something else. As indicated by Ludwig AI, the phrase is valid and usable. It is prevalent across various fields such as science, news, and academia, although its formality leans towards neutral to formal registers. While there are several alternative phrases that convey similar meaning such as "instantly on contact", or "right after contact", the choice depends on the context and desired level of formality. When using this phrase, ensure it's appropriate for the tone and avoid overusing it in informal contexts. Remember that this phrase allows you to specify clear action that happens right away.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
instantly on contact
Replaces "immediately" with "instantly", emphasizing the speed of the reaction; slight change in tone.
directly after contact
Substitutes "immediately upon" with "directly after", focusing on the sequence of events.
right after contact
More informal replacement, suitable for casual contexts; emphasizes temporal proximity.
the moment contact is made
Expresses the same idea using a clause, highlighting the moment of interaction.
as soon as contact occurs
Similar to the previous phrase, but with a slightly more formal tone.
upon first touch
Replaces "contact" with "touch", suitable when physical contact is involved.
at the point of contact
Focuses on the specific location and time of contact.
with no delay after contact
Emphasizes the absence of any time gap after the contact.
on initial contact
Highlights the initial stage of the contact.
following contact without delay
More elaborate way to convey the same meaning, stressing the lack of delay.
FAQs
How can I use "immediately upon contact" in a sentence?
You can use "immediately upon contact" to describe an action that happens without delay when two things touch. For example, "The substance ignites "immediately upon contact" with air".
What's a simpler way to say "immediately upon contact"?
Alternatives include "right after contact", "as soon as contact occurs", or "instantly on contact". The best choice depends on the context.
Is "immediately upon contact" formal or informal?
"Immediately upon contact" tends to be more formal. In casual conversation, phrases like "right after" or "the second" are more common.
Can I use "immediately upon contact" in business writing?
Yes, "immediately upon contact" is appropriate in formal business or technical writing when you need to clearly and precisely describe a reaction or event that happens directly after contact.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested