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
moieties at the
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "moieties at the" is correct and usable in written English.
It can be used in contexts related to chemistry, biology, or legal terminology, where "moieties" refers to distinct parts or components of a molecule or a legal agreement. Example: "The study focused on the interactions between the different moieties at the molecular level."
✓ Grammatically correct
Science
Alternative expressions(3)
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
43 human-written examples
Herein, we replaced acidic moieties at the P4 position with hydrogen bond accepting groups and acidic moieties at the P′1 position with less acidic and similar molecular-size moieties (carboxylic acid or tetrazole bioisosteres).
A series of low molecular weight (<600) compounds were synthesized with different moieties at the P1′ position.
High water solubility was achieved with the introduction of tetra quaternized imidazolyl moieties at the peripheral positions of phthalocyanine.
And in the polymers, different isolation groups were introduced to the sulfonyl-based chromophore moieties at the acceptor side.
Science
Generally, introduction of hydrophobic moieties at the N-terminus resulted in analogues with remarkably increased activity against multidrug-resistant Staphylococcus aureus and Enterococcus faecium.
The approach consists in 'trapping' HFA-philic moieties at the surface of particles, which are formed using a modified emulsification diffusion method.
Human-verified similar examples from authoritative sources
Similar Expressions
17 human-written examples
The distribution of products resulted in primarily bidentate adsorbates, leaving an unreacted moiety at the surface.
Academia
The O-methyltransferase CalO6 is proposed to catalyze methylation of the hydroxyl moiety at the C2 position of the orsellinic acid group of CAL.
Academia
Bioavailability is defined as the rate and extent of the absorption and availability of the active constituent or its moiety at the target site8.
Science & Research
The presence of the F atom on the ester moiety at the position 8 was crucial.
Moreover, a cholesterol residue was also introduced as succinimidoyl-cholesteryl moiety at the same position.
Expert writing Tips
Best practice
When describing chemical structures or reactions, use "moieties at the" to clearly indicate the location of specific functional groups or components within a molecule. This helps maintain precision and clarity in scientific writing.
Common error
Avoid using "parts at the" as a direct substitute for "moieties at the" in technical contexts. While "parts" might seem similar, "moieties" carries a specific chemical connotation that "parts" lacks, potentially leading to ambiguity.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "moieties at the" functions primarily as a prepositional phrase, often modifying a noun to specify the location or attachment point of chemical components. As Ludwig AI confirms, it is correct and usable in written English, especially in technical contexts.
Frequent in
Science
100%
Less common in
News & Media
0%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "moieties at the" is a correct and commonly used prepositional phrase in formal scientific writing to accurately specify the location of functional groups or components within a molecule. Ludwig AI confirms its validity and usability, particularly within contexts related to chemistry and biology. While alternatives like "groups located at the" exist, they may lack the precise chemical connotation of "moieties". Therefore, writers should use "moieties at the" when discussing chemical structures and reactions to maintain clarity and accuracy. The phrase is most frequently encountered in scientific publications, demonstrating its established usage in specialized academic and research settings.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
groups located at the
Replaces "moieties" with a more general term "groups", focusing on the position.
fragments positioned at the
Substitutes "moieties" with "fragments", emphasizing smaller parts.
components found at the
Uses "components" as a broader term for chemical entities present at a location.
elements situated at the
Replaces "moieties" with "elements", specifying basic chemical constituents.
subunits existing at the
Emphasizes the part-whole relationship, using "subunits".
units present at the
A general term "units" to replace "moieties", denoting distinct entities.
segments attached to the
Highlights the connection, focusing on segments and their attachment.
constituents linked to the
Focuses on the "constituents" and their link to a specific location.
parts in the
Simplifies the phrase, using "parts" to denote components within a broader structure.
sections of the
Uses a more general term "sections" to replace "moieties", indicating portions of something.
FAQs
How is "moieties at the" used in scientific writing?
In scientific writing, "moieties at the" is used to specify the location of particular functional groups or structural components within a molecule or chemical compound. It helps clarify the structure and properties being discussed.
What are some alternatives to "moieties at the"?
Depending on the context, you could use "groups located at the", "fragments positioned at the" or "components found at the". However, "moieties" provides a specific chemical nuance that these alternatives may not fully capture.
When is it appropriate to use the term "moieties"?
The term "moieties" is appropriate when discussing distinct portions or components of a molecule, especially functional groups that influence its properties or reactions. It's commonly used in chemistry, biochemistry, and related fields.
What is the difference between "moieties" and "groups" in chemistry?
"Moieties" generally refers to significant structural components or functional groups of a molecule, while "groups" can refer to any collection of atoms or a substituent. "Moieties" often implies a more substantial or chemically significant portion of the molecule than "groups" might.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested