a same sample

USAGE SUMMARY

The phrase "a same sample" is not correct in written English.
The correct expression would be "the same sample" when referring to a specific sample that has already been mentioned or is known to the reader. Example: "In our experiment, we used the same sample to ensure consistency in our results."

⚠ May contain grammatical issues

Science

Human-verified examples from authoritative sources

Exact Expressions

19 human-written examples

The CME resonance frequency is lower than the DME resonance frequency in a same sample.

Composite Structures

In order to evaluate the catalyst stability a same sample of that membrane was used in seven consecutive runs.

Catalysis Today

These processes, called quasi-systematic processes, depend on a tuning parameter r>0 that permits to control the likeliness of jointly selecting neighbor units in a same sample.

Computational Statistics & Data Analysis

It has been developed an automatic stop-flow procedure for sequential photometric determination of anionic and cationic surfactants in a same sample of water.

Analytica Chimica Acta

The ion beam analysis has been carried out to simultaneously quantify the amount of carbon, lithium and europium in a same sample.

Carbon

For the initial growth stage, the evolution of the same droplet of a same sample has been traced from catalyst droplet formation to 40 s of growth.

Nanoscale Research Letters

Human-verified similar examples from authoritative sources

Similar Expressions

41 human-written examples

Algorithms for a genetic algorithm, simulated annealing, and random hill climbing are formulated and tested on a same-sample forest-planning problem where the adjacency rule is strictly enforced.

Ecological Modelling

Let Y be a profile for a sample under a treatment and X be a profile for the same sample as a control (without treatment).

Plosone

Figure 13 shows a sample before setting the pore pressure (a) and the same sample with pore pressure being set (b).

Journal of Petroleum Exploration and Production Technology

Four repetitions were analysed for each nodule sample, using a same reference sample (nitrogen-starved non inoculated roots) for all microarray experiments.

Plosone

Targeted capture without pooling would have a total cost of $54,300 for a cohort of the same sample number, representing a cost savings of $39,350 from pooling alone.

BMC Medical Genomics

Expert writing Tips

Best practice

Always use "the same sample" instead of "a same sample" for grammatically correct and clear communication.

Common error

Avoid using the indefinite article "a" before "same". The correct phrasing is almost always "the same" because you are referring to a specific, previously mentioned item.

Linguistic Context

The phrase "a same sample" functions as a noun phrase intended to identify a particular sample. However, Ludwig AI points out that this phrasing is grammatically incorrect. The correct form is "the same sample".

Expression frequency: Uncommon

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, while the phrase "a same sample" might be understood, it is grammatically incorrect. Ludwig AI suggests that the correct phrasing is "the same sample". The usage examples are primarily from scientific contexts. To ensure clarity and grammatical correctness, always use "the same sample" or consider alternatives like "an identical sample" depending on the specific meaning you want to convey. Be mindful of using precise language in formal and scientific writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

the same sample

Uses the definite article "the" for grammatical correctness, indicating a specific, previously mentioned sample.

an identical sample

Emphasizes the identical nature of the sample, rather than simply referring to the same one.

the identical sample

Combines the specificity of "the" with the emphasis on identical nature.

the aforementioned sample

More formal, referring back to a sample explicitly mentioned earlier.

the sample in question

Refers to a sample currently under discussion or scrutiny.

the reference sample

Implies the sample is being used as a standard for comparison.

the control sample

Indicates the sample is being used as a baseline in an experiment.

the replicate sample

Suggests this is one of multiple samples used for replication in an experiment.

the aliquot

Refers to a portion of the original sample, commonly used in scientific contexts.

the specimen

A general term for a sample used for scientific study or testing.

FAQs

What is the correct way to say "a same sample"?

The grammatically correct way to phrase it is "the same sample". The use of the definite article "the" indicates a specific sample that has already been mentioned or is known in the context.

Can I use "an identical sample" instead of "the same sample"?

Yes, in some contexts, you can use "an identical sample" to emphasize that the sample is not just the same one, but exactly alike another.

What does "reference sample" mean and how does it relate to "the same sample"?

A "reference sample" is a specific type of sample used as a standard for comparison. While it might be "the same sample" used throughout an experiment, the term highlights its role as a benchmark.

Is there a difference between "aliquot" and "the same sample"?

An "aliquot" refers to a portion of "the same sample" that is used for analysis. The term indicates that a smaller quantity from the original sample is being used.