Used and loved by millions
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
regarding these substances
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "regarding these substances" is correct and usable in written English.
It can be used when discussing or referencing specific substances in a formal or academic context. Example: "The research paper provides detailed information regarding these substances and their effects on human health."
✓ Grammatically correct
Science
News & Media
Academia
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
Trace elements are not (yet) routinely determined in the blood of dialysis patients and many uncertainties regarding these substances may trigger reluctance in the mind of the practicing nephrologists.
Science
This study examines the views of preadolescents and early adolescents toward alcohol and tobacco as drugs, their awareness about the harmful effects of these substances on the human body, and reveals the common ways in which they have access to information regarding these substances.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Based on available data, we regard these substances as useful keys to open the first door to an understanding of infochemical effects from an ecotoxicological perspective.
2) Are there significant differences between users of different substances regarding these neuropsychological functions?
At this time no official decision has been made regarding these specific piperazines becoming restricted substances, or if they should be banned altogether in Canada.
Wiki
"Regarding the substances that are natural and generable, if the causes are really these and of this number and we have to learn the causes, we must inquire thus, if we are to inquire rightly.
As regards these substances, the 'nature of risks' is, therefore, to be rated as of similar high concern compared to the situation in EC Asbestos taking into account the high level of protection the scheme aims for.
It is also unfortunate that suspects who are booked into jail are most often not honest regarding the substances they have ingested, to include the amount that they have ingested".
News & Media
Recent reports suggest a stimulating antioxidative effect of cryostimulation but there is no information regarding the substances responsible for it (Miller et al. 2010a, b, c).
The bad decision she makes is to accept their criticisms regarding the substance of the essay.
News & Media
Regarding the substance of what has appeared thus far, there is a "on the one hand, on the other hand" quality to the leaks.
News & Media
Expert writing Tips
Best practice
When using "regarding these substances", ensure the context clearly identifies the specific substances being referenced to avoid ambiguity.
Common error
Avoid using "regarding these substances" when a more specific term would be more appropriate. For instance, if you're discussing medications, use "regarding these medications" instead of the more general phrase.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "regarding these substances" functions as a prepositional phrase that introduces a topic or provides context for a discussion, investigation, or analysis. It signifies that the subsequent information will be related to the mentioned substances, similarly to the examples provided by Ludwig.
Frequent in
Science
70%
News & Media
15%
Academia
15%
Less common in
Formal & Business
0%
Wiki
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "regarding these substances" is a grammatically correct and usable phrase primarily functioning as a prepositional phrase to set the context for a discussion or analysis. While not overly common, it is often found in scientific and academic writing as the Ludwig AI identified. To maximize clarity, ensure that the substances referred to are clearly identified in the surrounding text. For increased variety, consider alternatives such as "concerning these materials" or "about these compounds", tailoring the choice to the specific context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
concerning these materials
This alternative replaces "substances" with "materials", broadening the scope to include non-chemical entities.
about these compounds
This substitutes "substances" with "compounds", which is suitable in chemical or scientific contexts.
in relation to these elements
Here, "substances" is replaced by "elements", which is appropriate when discussing basic chemical constituents.
regarding these items
This option uses "items" for "substances", making it applicable in more general discussions.
with respect to these matters
This phrase changes the focus to "matters", shifting from the physical substances to the topics discussed.
pertaining to these chemicals
This uses "chemicals" in place of "substances", useful in chemistry-related contexts, and 'pertaining to' in place of 'regarding'.
concerning these entities
This alternative replaces "substances" with "entities", which can be used to refer to things, beings, or concepts.
in connection with these agents
This swaps "substances" with "agents", suitable when discussing active ingredients or influencing factors.
relating to these objects
This option uses "objects" for "substances", making it applicable in more discussions where physical objects are involved.
in regard to these components
This replaces "substances" with "components", which is ideal when talking about parts of a larger whole.
FAQs
How can I use "regarding these substances" in a sentence?
You can use "regarding these substances" to introduce a topic or provide context. For example, "The study provides important information regarding these substances and their impact on the environment."
What are some alternatives to "regarding these substances"?
Alternatives include "concerning these materials", "about these compounds", or "in relation to these elements", depending on the specific context.
Is it more formal to say "regarding these substances" or "about these substances"?
"Regarding these substances" is generally considered more formal than "about these substances". The choice depends on the intended audience and the overall tone of your writing.
When is it appropriate to use "regarding these substances" instead of a more specific term?
Use "regarding these substances" when you need to refer to a general category of substances without specifying individual items. However, using more specific terms (e.g., "regarding these chemicals", "regarding these pollutants") is preferable when possible for clarity.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested