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
extracts stable
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "extracts stable" is not correct in standard written English.
It seems to be an incomplete or unclear expression, and without additional context, its intended meaning is ambiguous. Example: "The research team found that the extracts stable under various conditions were more effective in their experiments."
⚠ May contain grammatical issues
Science
Alternative expressions(1)
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
UR-SIFT extracts stable and distinctive point features that are uniformly distributed in both image and scale spaces.
A direct comparison of reporter activities in absolute terms is not possible between the different experiments, as we had to switch from luciferase activity normalized to a second co-transfected reporter (transient transfections; Figure 2) to luciferase activity normalized to the protein content of cellular extracts (stable transductions; Figure 3).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
A recently developed algorithm is used to invert the data and extract stable multidimensional distribution functions in an efficient manner.
where is a parameter for extracting stable peak and valley values, which is set to 0.2 in our experiments.
Therefore, one of our main purposes here is to find and extract stable EEG signals by task design and use the signals to control an external robot for power assist.
Science
With the aid of the extracted stable edge contour in detail sub-image and the method described in Section 3.3, the circle center (C x, C y ) and radius R of the unit circle are determined.
MELODIC was set to estimate 25 components to extract stable connectivity estimates of the default mode networks (DMNs) [ 8].
Science
Crude extracts were stable without subsequent loss of activity under storage at 4°C.
Science
Due to low efficiency of standard SIFT detector for multimodal images, the UR-SIFT algorithm extracts high stable and distinctive features in the full distribution of location and scale in images.
Acidified extracts containing stable isotope labeled CoA thioesters were pooled, aliquoted, frozen, stored at −80 °C, and thawed as needed.
Science
Radical-scavenging activity of plant extracts against stable 2, 2 diphenyl 2 picrylhydrazyl hydrate (DPPH) was determined by the slightly modified method of Hatano et al. [ 13].
Expert writing Tips
Best practice
When describing a process, ensure that the verb agrees with the noun it modifies. For example, use "extracts that are stable" or, preferably, "stable extracts" to ensure grammatical correctness.
Common error
Avoid using "extracts stable" as it lacks proper grammatical structure. Instead, use "extracts that are stable" or rephrase to use "stable extracts" for clarity.
Source & Trust
84%
Authority and reliability
2.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "extracts stable" is grammatically incorrect. Based on the context of the provided examples, it attempts to describe a process of obtaining substances that maintain a consistent state. Ludwig AI confirms that the phrase is not correct in standard written English.
Frequent in
Science
100%
Less common in
News & Media
0%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "extracts stable" is grammatically incorrect and should be avoided. While the intention might be to describe a process of obtaining stable substances, it does not follow standard English grammar rules. As Ludwig AI points out, this is not correct usage. Instead, it's recommended to use "extracts that are stable" or the more concise and grammatically correct "stable extracts". This ensures clarity and accuracy in writing, particularly in scientific or formal contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
extracts that are stable
Adds a relative pronoun and clarifies the grammatical structure to indicate which extracts are being referred to.
isolates stable elements
Changes "extracts" to "isolates", emphasizing the isolation process, and uses "elements" to refer to the stable entities.
obtains stable isolates
Replaces "extracts" with "obtains" and "stable" with "isolates", changing the action and the type of entity being discussed while retaining a similar meaning.
derives stable compounds
Uses "derives" instead of "extracts" and "compounds" instead of a general term, focusing on a more specific chemical context.
collects stable isotopes
Replaces "extracts" with "collects" and specifies the objects as "stable isotopes", focusing on gathering stable atomic forms.
produces stable fractions
Substitutes "extracts" with "produces" and specifies the output as "stable fractions", changing the action but maintaining the stability aspect.
harvests stable cultures
Uses "harvests" instead of "extracts" and "stable cultures" to refer to biological samples that remain consistent.
separates stable components
Replaces "extracts" with "separates" and "stable" with "components", focusing on the separation process and identifying stable parts.
yields stable products
Changes "extracts" to "yields", indicating the result of a process, and uses "stable products" to describe the outcome.
purifies to stable forms
Replaces "extracts" with "purifies", focusing on the refinement process, and adds "to stable forms" to clarify the end state.
FAQs
How can I correct the phrase "extracts stable"?
You can correct it by saying "extracts that are stable" or, for better flow, use the noun phrase "stable extracts".
What does "extracts stable" mean?
The phrase "extracts stable" is grammatically incorrect and doesn't have a clear meaning in standard English. It likely refers to extracts that possess stability, but the word order is incorrect.
Is there a difference between "extracts stable" and "stable extracts"?
Yes, "extracts stable" is grammatically incorrect. "Stable extracts" is the correct way to refer to extracts that are stable, functioning as a noun phrase.
What are some alternatives to "extracts that are stable"?
Depending on the context, you could use phrases like "stable isolates", "stable compounds", or "stable elements".
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
84%
Authority and reliability
2.5/5
Expert rating
Real-world application tested