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
viable cells
Grammar usage guide and real-world examplesUSAGE SUMMARY
The term "viable cells" is correct and can be used in written English.
You could use it in a scientific paper to describe cells which have been tested to be alive, for example: "The sample was tested for viable cells using a cell viability assay."
✓ Grammatically correct
Science
Alternative expressions(4)
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
60 human-written examples
But the perfection is deceiving since the DNA is always degraded and no viable cells remain.
News & Media
Therefore, calcein-AM only stains viable cells.
Science
Viable cells are double negative (bottom left quadrant).
Science
h Percentage of viable cells after overnight incubation.
Science
The plate containing viable cells was washed twice with PBS.
a The percentages of viable cells after MBC tests.
Science
F negative : DMSO added to the cells (viable cells) and.
Science
Individual dose required to kill 50percentt of viable cells.
Viable cells were enumerated using stuart colony scientific counter (UK).
The number of viable cells is represented by symbols +.
Science
Viable cells were counted using trypan blue dye exclusion technique.
Expert writing Tips
Best practice
When quantifying "viable cells", always specify the method used for assessment (e.g., trypan blue exclusion, MTT assay) to ensure reproducibility and clarity in scientific reporting.
Common error
Avoid assuming that all cells counted as "viable cells" by a particular assay are equally functional. Different assays measure different aspects of viability, and some cells may appear viable but have impaired function.
Source & Trust
83%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "viable cells" functions as a noun phrase, where "viable" modifies "cells". It's used to identify and quantify cells that are alive and metabolically active within a sample. As Ludwig AI confirms, this phrase is grammatically correct and frequently used.
Frequent in
Science
100%
Less common in
News & Media
0%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "viable cells" is a grammatically sound and commonly used term, particularly within the realm of scientific research. Ludwig AI confirms its correctness. Its main function is to identify and quantify living, metabolically active cells, and it's crucial for reporting experimental results related to cell survival and growth. Usage is highly concentrated in formal and scientific contexts. Related phrases include "living cells" and "live cells". When using this term, it's important to specify the method used for viability assessment and to avoid oversimplifying the interpretation of viability assay results.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
living cells
Replaces the adjective "viable" with its direct synonym "living", maintaining the core meaning.
live cells
Uses a more concise form with "live" instead of "living" or "viable", preserving the essence.
cells capable of reproduction
Explains viability by focusing on reproductive capability, offering a functional definition.
cells able to proliferate
Highlights the ability of cells to multiply as a key aspect of viability.
functional cells
Emphasizes the functionality of the cells, implying they are alive and performing their functions.
active cells
Focuses on the activity level of the cells, suggesting they are metabolically active and alive.
healthy cells
Indicates the cells are in good condition and capable of functioning properly.
cells with intact membranes
Describes a key characteristic of viable cells – the integrity of their cell membranes.
non-apoptotic cells
Defines viable cells by excluding those undergoing programmed cell death (apoptosis).
undamaged cells
Highlights the lack of damage to the cells as a sign of viability.
FAQs
How do you determine if cells are viable?
Cell viability is often assessed using various methods, including dye exclusion assays (e.g., trypan blue), metabolic activity assays (e.g., MTT), and flow cytometry. These methods differentiate between "alive cells" and dead or dying cells based on membrane integrity or metabolic function.
What is the difference between "viable cells" and "healthy cells"?
"Viable cells" refers to cells that are alive, while "healthy cells" implies that the cells are not only alive but also functioning optimally. A cell can be viable but not necessarily fully healthy if it is stressed or damaged but not yet dead.
What are some common methods for counting "viable cells"?
Common methods for counting "viable cells" include using a hemocytometer with trypan blue, which stains dead cells, or employing automated cell counters. Flow cytometry with viability dyes is also frequently used for more precise quantification.
Why is it important to measure the number of "viable cells" in a culture?
Measuring the number of "viable cells" is crucial in many biological experiments to assess the effects of treatments, monitor cell growth, or determine cytotoxicity. It helps researchers understand how different conditions affect cell survival and proliferation.
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
83%
Authority and reliability
4.6/5
Expert rating
Real-world application tested