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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
at focus of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at focus of" is not correct in standard written English.
The correct expression is "in focus" or "at the focus of." Example: "The research is at the focus of current scientific debates."
⚠ May contain grammatical issues
Renewable Energy
Biotechnology for Biofuels
Plosone
British Journal of Cancer
American Journal of Human Genetics
BMC Oral Health
Biomedical Optics Express
The New York Times
The Guardian - Tech
Encyclopedia Britannica
The New York Times - Arts
The Economist
BBC
Optics Communications
Nanoscale Research Letters
Energy Conversion and Management
European Journal of Futures Research
Journal of Theoretical and Applied Physics
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Solar Energy
Applied Thermal Engineering
Journal of Cleaner Production
Huffington Post
Gastric Cancer
Current Biology
Arthritis Research and Therapy
Consciousness and Cognition
BMC Pregnancy and Childbirth
Archives of Gynecology and Obstetrics
The Guardian - Business
Forbes
Vice
BMC Complementary and Alternative Medicine
Independent
BMC Medical Education
BMC Ophthalmology
EURASIP Journal on Wireless Communications and Networking
Energy, Sustainability and Society
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
2 human-written examples
The cavity is trapezoidal shape in cross section, which is placed at focus of the concentrator, has multiple tubes and water is used as the working fluid.
Science
Together with cellobiose dehydrogenase (CDH) an enzymatic system capable of oxidative cellulose cleavage is formed, which increases the efficiency of cellulases and put PMOs at focus of biofuel research.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
The limitations of traditional bacterial culturing technologies have been highlighted by the low culture success rate from samples taken at foci of infection, e.g. lung aspirate samples in pneumonia patients [1].
Science
This process was accelerated in the presence of pancreatic inflammation, while the most invasive areas of tumour were seen at foci of inflammation.
Science
It is conceivable that genetic variation that influences complex traits accumulates at foci of convergence that act across different pathways but have similar cellular function and that can influence multiple biological pathways in a similar manner.
should be at focus for the prevention of both dental and medical diseases [ 10].
Science
The injection efficiency using this technique was 42 ± 8% compared to a control of 4 ± 2% at a laser power at the focus of 90 mW.
Science
The I.B.M. scientists placed a single cobalt atom at one focus of their quantum mirror and then detected its presence at the other focus some 10 billionths of a meter away.
News & Media
From an apps perspective, from a service perspective, it is really at the focus of everything.
News & Media
It uses a point source of monochromatic light at the focus of a quality lens.
Encyclopedias
(The writer at the focus of "This Is Not a Novel," for instance, is called Writer).
News & Media
Expert writing Tips
Best practice
When aiming for clarity and grammatical accuracy, use "at the focus of" or "in focus" instead of "at focus of". This ensures your writing is professional and easily understood.
Common error
Do not omit the article "the" when intending to say "at the focus of". Omitting "the" results in a grammatically incorrect phrase.
Source & Trust
83%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at focus of" is intended to function as a prepositional phrase, often aiming to indicate the location or subject of central attention. However, according to Ludwig, it is grammatically incorrect. The intended meaning is better conveyed using "at the focus of" or similar constructions.
Frequent in
Science
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News & Media
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Formal & Business
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Less common in
Science
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News & Media
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Formal & Business
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Ludwig's WRAP-UP
In summary, the phrase "at focus of" is grammatically incorrect. Ludwig AI recommends using "at the focus of" or "in focus" instead. While the intended meaning is to highlight a central point or area of attention, the incorrect usage undermines clarity and credibility, particularly in formal contexts. Correct alternatives, such as "at the center of attention" or "central to", should be used to ensure accurate and effective communication. Remember to always prioritize grammatical accuracy to maintain professionalism in your writing or speech.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a focal point of
Maintains the idea of "focus" but adds "point" for emphasis.
at the center of attention
Replaces "focus" with "center of attention", emphasizing prominence.
the main emphasis of
Directly states that something is being emphasized.
at the heart of
Uses a metaphor to indicate the core or most important aspect.
at the core of
Indicates the fundamental or most important part.
central to
A more concise way of expressing that something is essential.
the key aspect of
Highlights the most important element to consider.
a key element of
Highlights the importance of something as a component.
in the limelight
Refers to being publicly recognized or emphasized.
taking center stage
Implies a prominent position or increased attention.
FAQs
How can I correctly use the phrase "at focus of"?
The phrase "at focus of" is grammatically incorrect. Use "at the focus of" or "in focus" instead. For example, "The discussion was "at the focus of" the meeting" is correct.
What's a better alternative to "at focus of"?
Better alternatives include phrases like "at the center of attention", "central to", or "in focus", depending on the context.
Is it ever correct to say "at focus of"?
No, "at focus of" is not considered grammatically correct in standard English. You should always use "at the focus of" or rephrase your sentence for clarity and accuracy.
What is the difference between "at focus of" and "at the focus of"?
"At focus of" is grammatically incorrect due to the missing article "the". The correct phrase is "at the focus of", which means something is the main point or area of attention. Using ""at the focus of"" ensures grammatical accuracy and clarity.
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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
83%
Authority and reliability
2.8/5
Expert rating
Real-world application tested