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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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under twofold

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "under twofold" is not commonly used in written English and may be considered awkward or unclear.
It can be used when referring to something that has two aspects or components, but it is better to use more standard expressions. Example: "The project was evaluated under twofold criteria: quality and efficiency."

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

An increase of Fe(II) concentration after intrusion is most likely caused by dissolution of particulate iron sulphides under twofold decrease of H2S concentration.

HeLa cells showed statistically significant differences, with reduction of RANTES, MCP-3, CXCL2 and CXCL3 expression, but these decreases were under twofold (supplementary material Fig. S1).

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

This is unfortunate, since revisiting their biographical narratives in this optic can illuminate the subjective and emotional drivers of their life trajectories overseas, under a twofold pressure: the multi-sited relational settings in which their life projects are embedded, and the changing external structures of opportunities.

Pure-birth processes were simulated with either constant rates, or including shifts in diversification rates (one or two shifts) under small (twofold), moderate (fivefold), and large (eightfold) rate variations, respectively (Additional file 4).

Compared to control (hypoxia without VitD3), VitD3 stimulated leptin expression twofold under normoxic conditions (P <0.05) and fourfold under hypoxia (P <0.03).

SOC pools in the forest litter under spruce monocultures are twofold larger than under beech.

Science

Geoderma

This led to incomplete (∼50%) reduction in eEF2K protein expression, yet suppressed cell growth twofold under normal (nutrient abundant) conditions (P < 0.005) (Fig 7D).

For example, in the present study, 24-hour incubation with VitD3 induced Hif-2α expression by almost twofold under normoxia (data not shown); however, protein stabilization was almost undetectable in immunoblot analysis.

For inter-condition comparisons, a threshold of log2 ratio >1 and log2 ratio <−1 (corresponding to twofold over- or under-expression, respectively) was used to designate a specific transcript as significantly over- or under-expressed, respectively.

24, 25 An inhaled formulation of INH had twofold higher area-under-curve (AUC / minimum-inhibitory-concentration (MIC) indices measured from plasma, compared with oral doses.

Ultrathin sections (55 65 nm) were then cut, such that only the very first sections were collected (i.e., the most basal region of the cell) and imaged in an JEOL1011 electron microscope at 80 kV equipped with a Morada Soft Imaging System 4K × 4K camera at twofold binning under the control of iTEM (Olympus, Japan).

Science

eLife
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Expert writing Tips

Best practice

When using "under twofold", ensure the context clearly indicates whether you are referring to a quantity, pressure, or objective. Clarity is key due to its relative infrequency.

Common error

Avoid using "under twofold" when simpler alternatives like "less than double" or "in two ways" would suffice. Favor clarity and conciseness in your writing.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

3.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "under twofold" functions primarily as a prepositional modifier, indicating a condition or state that is less than double a specified amount or exists within a dual context. Ludwig examples show it modifying concepts like 'decrease' or 'pressure'.

Expression frequency: Rare

Frequent in

Science

60%

News & Media

20%

Academia

20%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "under twofold" is a relatively uncommon expression used to indicate that something is less than double a certain amount or exists within a dual context. While grammatically acceptable, Ludwig AI suggests it may be better to use more standard expressions for improved clarity. Its usage is most prevalent in scientific and academic writing, suggesting a formal register. When considering its use, writers should prioritize clarity and conciseness, opting for simpler alternatives like "less than double" or "in two aspects" where appropriate. Always consider the context to make sure the meaning is clear.

FAQs

What does "under twofold" mean?

"Under twofold" generally means something is less than double or exists within a dual context, affecting something in two distinct ways or from two different angles.

When is it appropriate to use "under twofold" in writing?

Use "under twofold" when you specifically want to emphasize a dual aspect or that a quantity or effect is less than double. However, consider simpler alternatives like "less than double" or "in two aspects" for clarity.

What are some alternatives to "under twofold"?

Alternatives include "less than double", "in two aspects", or "subject to dual influence", depending on the context.

Is "under twofold" grammatically correct?

While not incorrect, "under twofold" is not a common phrase. According to Ludwig AI, it is better to use more standard expressions. Ensure your usage is clear and consider alternative phrasings for improved readability.

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Source & Trust

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Authority and reliability

3.8/5

Expert rating

Real-world application tested

Most frequent sentences: