a positive staining

USAGE SUMMARY

The phrase "a positive staining" is correct and usable in written English.
It can be used in scientific or medical contexts, particularly when discussing the results of staining techniques in microscopy or histology. Example: "The tissue sample exhibited a positive staining, indicating the presence of the targeted protein."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

As a positive staining control, we used developing kidney glomeruli where aPKCλ/ι expression has been characterized (Fig. 4A, inset)35.

Nature

Results: A positive staining for p53 was found in 19/29 (66%) of the tumors, with a high positivity in 13/29 (45%).

European Journal of Obstetrics & Gynecology and Reproductive Biology

Bright chromosomal fluorescence was again observed in the first mitotic metaphase when both maternal and paternal chromosomes gave a positive staining reaction.

Duke University

Care was taken not to interpret entrapped normal lung bronchial epithelium or pulmonary macrophages as a positive staining.

Clinical and Translational Medicine

A negative staining was classified as having an immunostaining score of 0 3; whereas a positive staining was classified as having an immunostaining score of 4 12 (at least moderately positive in at least 11%50%% of cells).

Protein & Cell

In primary fibroblast cultures from unaffected individuals, a few nuclei showed a positive staining (Fig. 2A).

Plosone

EM observations were performed with a positive staining procedure as described previously [30], [65], [66].

Plosone

A positive staining is also present in cytoplasm but in a more diffuse pattern.

Plosone

As shown in figure 1, a positive staining by F4 antibody was only detectable in permeabilized DAP12-positive RBL cells.

Plosone

More than 90% of the Nef treated nematodes exhibited a positive staining pattern with a variability of less than 10%.

Plosone

Those structures were part of the ER network as indicated by a positive staining by HSPA5 antibodies (data not shown).

Plosone

Expert writing Tips

Best practice

When describing staining results, clearly specify what is being stained and the implications of a positive result within the context of your research.

Common error

Avoid assuming that a positive staining automatically confirms a specific diagnosis. Always correlate staining results with other clinical and pathological findings for accurate interpretation.

Linguistic Context

The phrase "a positive staining" functions as a noun phrase, where "positive" modifies the noun "staining". It refers to a staining result that indicates the presence of a specific substance or structure in a sample. Ludwig provides numerous examples in scientific literature where this phrase is used to report experimental findings.

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Academia

0%

Ludwig's WRAP-UP

In summary, "a positive staining" is a commonly used phrase in scientific and medical fields to describe a successful staining result, indicating the presence of a target molecule. As indicated by Ludwig, the phrase is grammatically correct and primarily found in formal, scientific literature. Related phrases, such as "positive staining result" or "evidence of staining", can be used as alternatives. When using the phrase, ensure the staining result is appropriately correlated with other data for accurate interpretation.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

positive staining result

This alternative directly specifies the outcome of the staining process, emphasizing the result.

evidence of staining

This phrase shifts the focus to the presence of staining, highlighting the evidence it provides.

stained positively

This option uses a verb phrase to describe the staining outcome, offering a more active voice.

positive reaction to the stain

This alternative emphasizes the interaction between the sample and the staining agent.

successful staining

Here, the success of the staining process is highlighted, implying a clear and interpretable result.

presence of stain

This option focuses on the existence of the stain within the sample, indicating a detectable result.

clear staining pattern

This alternative emphasizes the clarity and interpretability of the staining result, suitable when describing distinct patterns.

identifiable staining

This phrase focuses on the ability to identify the stain, suggesting that the staining is distinct and recognizable.

staining confirmation

This alternative frames the staining as a confirmation of a particular substance or structure.

demonstrated staining

This emphasizes the act of showing or proving something through staining, highlighting the demonstrative aspect.

FAQs

How do I interpret "a positive staining" in immunohistochemistry?

A "positive staining" in immunohistochemistry typically indicates the presence of a specific protein or antigen within the tissue sample. The intensity and pattern of the staining provide further information about the expression and localization of the target molecule.

What does it mean if my control sample shows "a positive staining"?

If your control sample shows "a positive staining", it suggests that there may be an issue with your staining protocol, such as non-specific antibody binding or contamination. It's crucial to troubleshoot your protocol and repeat the staining to ensure accurate results.

What are some alternative phrases for "a positive staining" in a scientific paper?

Instead of "a positive staining", you can use alternatives like "positive staining result", "evidence of staining", or "stained positively" to add variety to your writing.

How is "a positive staining" quantified in research?

Quantification of "a positive staining" can involve methods such as measuring the percentage of cells showing staining, assessing staining intensity using a scoring system, or using image analysis software to determine the area or density of staining.