as a positive sample

USAGE SUMMARY

The phrase "as a positive sample" is correct and usable in written English.
It can be used in contexts such as research, data analysis, or quality control to refer to a sample that meets certain criteria or standards. Example: "In our study, we selected several participants as a positive sample to ensure the validity of our results."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

15 human-written examples

Any chunk that falls within 20 bp from any known TSS position of any of the testing genes was considered as a positive sample.

Plosone

can be seen as a positive sample.

EURASIP Journal on Wireless Communications and Networking

Since the location information is an important aspect for mining spatial information, the message with the location information can be thought as a positive sample.

EURASIP Journal on Wireless Communications and Networking

A sequence is categorized as a positive sample as long as it matches any of the patterns derived by WildSpan.

Algorithms for Molecular Biology

Therefore, we treated an active compound as a positive sample if at least two assays considered it 'active'active

Bioinformatics

If it's predicted as a positive sample by HairpinSVM, then the DroshaSVM determined whether there were Drosha processing sites and where they would be.

BMC Systems Biology

Human-verified similar examples from authoritative sources

Similar Expressions

45 human-written examples

Thus, Cost is the cost of misidentifying a positive sample as a negative one, while Cost indicates the opposite case.

BioMed Research International

History of infection was defined as a previous positive sample for children followed from birth and was otherwise assumed for all children over 3 years (greater than 36 months) of age.

BMC Infectious Diseases

In case of a positive result (evaluated as positive sample), the bacteria were specified by means of biochemical examination.

BMC Infectious Diseases

DNA was also extracted from a 1.4 ml whole blood sample seeded with 100 μL of M. fermentans PG18 for use as a positive control sample.

BMC Musculoskeletal Disorders

Also, the aetiology of the UTI could have been strengthen by bacterial culture of two consecutive collected urine samples and using a definition of ≥ 10 CFU per ml urine as a positive urine sample.

BMC Infectious Diseases

Expert writing Tips

Best practice

When using "as a positive sample" in scientific writing, clearly define the criteria that qualify a sample as positive to avoid ambiguity.

Common error

Avoid using "as a positive sample" when referring to subjective opinions or non-quantifiable observations; reserve it for scenarios where positivity can be objectively measured or defined.

Linguistic Context

The phrase "as a positive sample" primarily functions as a modifier, specifically acting as an adjective phrase that describes a noun. It characterizes a sample by indicating that it possesses a certain attribute or quality deemed "positive" within a given context. Ludwig AI confirms this with multiple examples.

Expression frequency: Uncommon

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Academia

0%

Ludwig's WRAP-UP

In summary, the phrase "as a positive sample" is a descriptor, commonly used in scientific and technical writing to identify an entity that meets specific criteria for positivity. Ludwig AI analysis of the provided examples confirms its grammatical correctness. While not extremely frequent, the phrase is well-established in scientific discourse. When using this phrase, ensure that the criteria defining a "positive" sample are clearly defined to avoid ambiguity. While variations exist, like "as a true positive", the core meaning remains consistent: a sample that represents a known positive instance. Its register is formal, aligning with the precision expected in scientific communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

as a true positive

Adds "true" to clarify that it's correctly identified as positive.

identified as a positive result

Focuses on the outcome or result of a test or analysis.

as a confirming instance

Replaces "positive" with "confirming", emphasizing the validation aspect.

as a control positive

Reverses the order and adds "control" to specify its use as a benchmark.

regarded as a positive specimen

Uses the term "specimen" which may be more appropriate in certain scientific contexts.

considered a positive case

Uses "case" instead of "sample", suitable for scenarios involving instances or events.

as a test positive

Specifies its use within a testing scenario.

classified as a positive example

Substitutes "sample" with "example", broadening the scope to include non-physical instances.

treated as a positive data point

Replaces sample to data point, suitable for statistical contexts.

designated as a positive indicator

Highlights its role as a sign or signal of a particular condition or state.

FAQs

How can I effectively use "as a positive sample" in a sentence?

Use "as a positive sample" to denote an element that exhibits the characteristics you're aiming to identify, such as, "We used the known virus strain /s/as+a+positive+control to validate the assay's sensitivity".

What are some alternatives to using "as a positive sample"?

Depending on the context, alternatives include "as a true positive", "as a control positive", or "as a confirming instance".

In what situations is it appropriate to use the phrase "as a positive sample"?

This phrase is typically used in scientific or technical contexts when a specific sample is known to exhibit a particular characteristic or condition, serving as a benchmark or control.

Is there a difference between using "as a positive sample" and "positive control"?

While related, "positive control" generally refers to a known entity used to validate a testing procedure, whereas "as a positive sample" is a more general phrase used to indicate that a given sample exhibits the characteristic being studied. A "positive control" would invariably be considered "as a positive sample", but the reverse isn't necessarily true.