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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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at focus of

Grammar usage guide and real-world examples

USAGE 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

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.

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.

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

Plosone

This process was accelerated in the presence of pancreatic inflammation, while the most invasive areas of tumour were seen at foci of inflammation.

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].

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.

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

The New York Times

From an apps perspective, from a service perspective, it is really at the focus of everything.

It uses a point source of monochromatic light at the focus of a quality lens.

(The writer at the focus of "This Is Not a Novel," for instance, is called Writer).

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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.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Rare

Frequent in

Science

0%

News & Media

0%

Formal & Business

0%

Less common in

Science

0%

News & Media

0%

Formal & Business

0%

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.

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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Source & Trust

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Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: