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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
under twofold
Grammar usage guide and real-world examplesUSAGE 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
Alternative expressions(6)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
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.
Science
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).
Science
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
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).
Science
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.
Science
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
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.
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'.
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.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
less than double
Focuses specifically on the quantitative aspect of being smaller than twice the amount.
experiencing a less than twofold change
Specifies the magnitude of change as being smaller than a doubling.
in two aspects
Expresses having two components or characteristics.
within a dual context
Emphasizes the presence of two simultaneous or interacting conditions.
under a dual aspect
Highlights the examination from two perspectives.
limited to less than twice
Similar to 'less than double', but emphasizes a restriction or upper limit.
subject to dual influence
Highlights the concept of being affected by two distinct forces or factors.
affected by two factors
Similar to 'subject to dual influence', but with less emphasis on the forces themselves.
dual pressured
Describes something exposed to two pressures or constraints.
governed by two principles
Highlights actions being based on two distinct rules or foundations.
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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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
3.8/5
Expert rating
Real-world application tested