two-fold dilution

USAGE SUMMARY

The phrase "two-fold dilution" is correct and usable in written English.
It can be used in scientific or technical contexts to describe a dilution that is twice as concentrated or reduced by half. Example: "To achieve the desired concentration, we performed a two-fold dilution of the original solution."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

One-hundred microliters from each extract were initially prepared at a concentration of 0.166 (v/v) and added into the first well, followed by two-fold dilution until the 9th well.

BMC Complementary and Alternative Medicine

Compounds were then serially diluted by two-fold dilution from well B3 till B11 by transferring 50 μL to the next well after proper mixing.

BMC Complementary and Alternative Medicine

Antisera from each injection were diluted from 1 200 to 1 25,600 on a two-fold dilution series and 100 μl were applied to each well.

BMC Biotechnology

To confirm hits, compounds were cherry-picked from stock library plates and diluted in water to generate a 3-point, two-fold dilution series.

EMBO Molecular Medicine

Key inefficiencies were circumvented through process intensification that led to development of a two-fold dilution assembly method.

Biochemical Engineering Journal

The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of EEO against the four pathogens was determined by the two-fold dilution method described by Kubo et al. ([2004]), with slight modification.

Botanical Studies

To determine the 50%% inhibitory concentrations (IC50) of these primary hits on Wnt signaling pathway, we performed secondary screening using three concentrations by two-fold dilution, with the highest concentration being 20 μM.

Natural Products and Bioprospecting

The minimum inhibitory concentration (MIC) and the minimum bactericidal/fungicidal concentration (MBC/MFC) against bacteria and fungi respectively were determined by the two-fold dilution method, with minor modification [38].

Chemistry Central Journal

Samples were printed as duplicates of an eight-point two-fold dilution series.

Plosone

Confluent cells were harvested and placed in a new flask after a two-fold dilution.

Plosone

A two-fold dilution series was prepared with 100 µl antibiotic solution in sterile distilled water.

Plosone

Expert writing Tips

Best practice

When describing serial dilutions, clearly state the starting concentration and the number of steps to avoid ambiguity. For example, "a serial "two-fold dilution" series from 100 μM to 3.125 μM over five steps".

Common error

Avoid confusing "two-fold dilution" with diluting to two times the volume. "Two-fold dilution" means halving the concentration, whereas diluting to two times the volume means the final volume is twice the original, but the dilution factor may be different depending on how the dilution was performed.

Linguistic Context

The phrase "two-fold dilution" functions as a modifier (specifically, a numeric adjective phrase) followed by a noun. It describes the type or extent of dilution being performed. As confirmed by Ludwig AI, it is a standard and usable term in English.

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "two-fold dilution" is a grammatically sound and frequently used term, especially within the realm of science. As Ludwig AI confirms, it's readily understandable and acceptable in formal writing. Essentially, it indicates a halving of concentration, a 1:2 dilution, or a reduction by a factor of two. Remember, a "two-fold dilution" differs from diluting to two times the volume, as the former strictly means halving the concentration. For alternatives, you could use phrases like "diluting by half" or "dilution at 50%" depending on the context. When using the phrase in your writing, be precise about the starting concentration and any serial dilution steps.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

dilution by half

A slight variation in phrasing with the same meaning.

1:2 dilution

Expresses the dilution as a ratio, common in lab settings.

diluting by a factor of two

Uses a more mathematical term to describe dilution process.

diluting in half

It's a more concise although less formal way of expressing the same concept.

dilution to half strength

It's a way of emphasizing reaching half of the initial concentration.

halving of concentration

Focuses on the result of the dilution rather than the method.

serial half dilution

Specifies a series of dilutions each reducing concentration by half.

reducing by half

Emphasizes the reduction aspect of the dilution.

dilution at 50%

Specifies percentage of starting concentration.

binary dilution

Implies a dilution occurring in steps of powers of two.

FAQs

How is a "two-fold dilution" performed?

A "two-fold dilution" involves mixing one part of the original solution with one part of a diluent (like water or buffer) to halve the concentration.

What's another way to say "two-fold dilution"?

You can use terms like "diluting by half", "reducing by a factor of two", or "1:2 dilution". See other "halving of concentration".

Is "two-fold dilution" the same as a 1:2 dilution?

Yes, "two-fold dilution" is equivalent to a 1:2 dilution, meaning the final volume is twice the initial volume, resulting in half the original concentration.

How do I calculate the final concentration after a "two-fold dilution"?

Divide the initial concentration by 2. For instance, a "two-fold dilution" of a 100 μM solution results in a 50 μM solution.