test absorbance

USAGE SUMMARY

The phrase "test absorbance" is correct and usable in written English.
It can be used in scientific contexts, particularly in chemistry or biology, when referring to the measurement of how much light is absorbed by a sample during a test. Example: "To determine the concentration of the solution, we will measure the test absorbance at a wavelength of 540 nm."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

The percentage of iron chelating activity of L. macrophylla was calculated by the following equation: (4) Percentage  of  chelating  activity = Test  absorbance − control Test  absorbance × 100.

BioMed Research International

After the test, absorbance was measured at 450 nm with the help of ELISA reader.

The Journal of Headache and Pain

(3) %    inhibition      = control    absorbance − sample / test    absorbance control    absorbance     × 100%%.

BioMed Research International

The difference in absorbance (control absorbance minus test absorbance) divided by the control absorbance (expressed as a percentage) was used to represent the percentage inhibition of the reaction.

Cardiovascular Diabetology

A positive anti-NS1 antibody response by NS1-ELISA assay was defined as each paired serum sample having a test absorbance of the second sample 30% higher than that of its first sample (ratio >1.30).

Emerging Infectious Diseases

The inhibition percentage was calculated according to the following formula: Collagenase inhibition activity = (1 − S abs − Sb abs / C abs − Cb abs ) × 100 where S is the sample test absorbance, Sb is the sample blank absorbance, C is the positive control absorbance, Cb is the negative control absorbance.

Clinical, Cosmetic and Investigational Dermatology

Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

ODt was tested absorbance.

BMC Biotechnology

An amount (3 ml) of the solution was removed from the beaker every 10 min to test the absorbance properties at 464 nm after filtrating the solid spheres.

Nanoscale Research Letters

Thus, OD492 = 0.226 was considered as the cut-off for the ELISA test and absorbance values below this OD were considered as IgG-negative for Stx2.

Plosone

To avoid interference by the red fluorescence of ADR concentrations above 8 μM, a blank well containing the corresponding ADR concentration without MTT was set up and subtracted from the test well absorbance.

Breast Cancer Research

The resulting quantity and purity of total RNA was tested through absorbance spectrophotometry at 230, 260 and 280 nm, and the quality of RNA was tested on a 1% denaturing agarose gel.

BMC Cancer

Expert writing Tips

Best practice

When reporting "test absorbance", always specify the wavelength at which the measurement was taken for clarity and reproducibility.

Common error

Ensure you clearly distinguish between "test absorbance" and control absorbance in your analysis. Failure to do so can lead to misinterpretations of your results. Control absorbance serves as a baseline for comparison, reflecting conditions without the variable you're testing.

Linguistic Context

The phrase "test absorbance" functions primarily as a noun phrase within scientific and technical writing. Ludwig AI indicates this phrase correctly identifies the absorbance measurement taken from a test sample. Examples from Ludwig demonstrate its use in formulas and data analysis.

Expression frequency: Uncommon

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Academia

0%

Ludwig's WRAP-UP

In summary, "test absorbance" is a grammatically sound and scientifically relevant term referring to the absorbance measurement of a test sample. Ludwig AI confirms its validity and provides examples of its use in scientific literature. This phrase is most appropriate within formal and scientific contexts, where precision and clarity are paramount. When using "test absorbance", remember to specify the wavelength and compare results with control samples for accurate interpretation. Alternative phrases include "absorbance measurement in the test" or "sample absorbance", depending on the level of detail required.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

absorbance measurement in the test

Reorders the phrase to emphasize the act of measurement.

absorbance value of the test

Focuses on the numerical result obtained from the absorbance reading during the test.

absorbance reading of the test

Highlights the process of obtaining the absorbance data.

sample absorbance

Shortens the phrase, assuming the context already implies it's a test sample.

absorbance of the tested sample

Emphasizes that the sample has undergone testing.

experimental absorbance

Highlights the absorbance measured during an experiment.

absorbance under test conditions

Focuses on the specific conditions under which absorbance is measured.

absorbance in the assay

Specifies that the absorbance is being measured within an assay.

optical density of the test

Uses an alternative term for absorbance, "optical density".

light absorption in the test

Replaces "absorbance" with a more descriptive term.

FAQs

How is "test absorbance" typically used in scientific research?

In scientific research, "test absorbance" is a key metric for quantifying the amount of light absorbed by a sample during an experiment, often used to determine the concentration of a substance or to monitor a reaction’s progress.

What's the difference between "test absorbance" and "control absorbance"?

"Test absorbance" refers to the absorbance reading of the sample being tested or experimented on, while control absorbance is the reading from a control sample used as a baseline for comparison. Understanding the difference between them is essential for accurate results.

What can I say instead of "test absorbance"?

Alternatives to "test absorbance" include "absorbance measurement in the test", "absorbance value of the test", or simply "sample absorbance", depending on the context.

How do I properly report "test absorbance" in a scientific paper?

When reporting "test absorbance", be sure to include the wavelength at which the measurement was taken, the units of absorbance, and any relevant experimental conditions. Also, always compare your "test absorbance" values to those of your control samples.