had been fractionated

USAGE SUMMARY

The phrase "had been fractionated" is correct and usable in written English.
It can be used in contexts where something has been divided or separated into parts, often in scientific or technical discussions. Example: "The sample had been fractionated to isolate the different components for analysis."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

5 human-written examples

The spherulitic growth rates and nucleation densities were studied as a function of the chemical nature of endgroup counter-ion for PPS with 〈MW〉 = 56 K that had been fractionated to remove low molecular weight species.

Polymer

Microarray analysis was done on the total mRNA pool as well as on mRNAs that had been fractionated based upon ribosome occupancy.

BMC Genomics

We performed microarray analysis on the total mRNA population as well as mRNA that had been fractionated according to ribosome occupancy.

BMC Genomics

Moreover, RNA FISH followed by immunofluorescence and RIP using extracts from NT2 cells that had been fractionated into different subcellular compartments showed that NLC1-C co-localised with Nucleolin in the nucleus, but not the cytoplasm.

Cell Death and Disease

Total TG, HDL-C, LDL-C, and very low-density lipoprotein cholesterol (VLDL-C) were assayed by Penn Medical Laboratories (Hyattsville, MD, USA) from fresh plasma samples that had been fractionated by ultracentrifugation.

Cardiovascular Diabetology

Human-verified similar examples from authoritative sources

Similar Expressions

55 human-written examples

Previously, DCOE has been fractionated into four major fractions and various constituents of each fraction were identified and their in vitro and in vivo antioxidant activities were evaluated (Shebaby, et al. 2013, submitted).

BMC Complementary and Alternative Medicine

A commercial ethylene-butene linear low density polyethylene has been fractionated by preparative temperature rising elution fractionation.

Polymer

Serum from rats bearing progressively growing aminoazo dye-induced rat hepatomata has been fractionated by Sephadex G150 gel filtration chromatography and isolated fractions have been examined by indirect membrane immunofluorescence techniques to detect tumour specific antigen and antibody.

British Journal of Cancer

The ELPP sample has been fractionated by extraction with boiling solvents.

Polymer

The polymerisations have been monitored as a function of monomer conversion and the polymer prepared at high conversion has been fractionated across the molecular weight distribution.

Polymer

An ethylene 1-hexene copolymethylene 1-hexene short copolymernching distribution has been fractionated by multiple step crystallizations followithby selective dissolutions in tetrachloroethylene.

Polymer

Expert writing Tips

Best practice

Use "had been fractionated" to specifically indicate that a substance or sample has been divided into components using a fractionation process, common in scientific contexts. Ensure the context clearly implies the method of separation.

Common error

Avoid using "had been fractionated" in general writing where simpler terms like "separated" or "divided" would suffice. This phrase is most appropriate in technical or scientific discussions involving a specific fractionation process.

Linguistic Context

The phrase "had been fractionated" functions as a passive past perfect verb phrase. It indicates that a subject underwent a process of fractionation before a specific point in time. Ludwig provides examples where this phrase is used in scientific research to describe sample preparation.

Expression frequency: Rare

Frequent in

Science

100%

News & Media

0%

Formal & Business

0%

Less common in

Encyclopedias

0%

Wiki

0%

Academia

0%

Ludwig's WRAP-UP

In summary, "had been fractionated" is a grammatically sound passive past perfect verb phrase predominantly used in scientific and technical domains. As Ludwig highlights, this phrase is employed to describe a prior action of separating a substance into components for analysis or purification. Although its frequency is rare, its usage is appropriate within the context of scientific literature. According to Ludwig AI, the phrase is correct and usable in written English, especially in contexts involving division or separation into parts.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

had undergone fractionation

Focuses on the process rather than the state, highlighting that fractionation has occurred.

had been separated

A more general term, indicating a division into distinct parts without specifying the method.

had been divided

Similar to 'separated', but implies a more deliberate act of partitioning.

had been resolved

Suggests that components have been distinguished and isolated from each other.

had been segregated

Implies a separation based on specific characteristics or properties.

had been sorted

Indicates a categorization or arrangement into different groups.

had been partitioned

Emphasizes the creation of distinct sections or compartments.

had been isolated

Highlights the extraction of specific components from a mixture.

had been classified

Focuses on categorization into predefined groups or classes.

had been purified

Implies the removal of unwanted elements, resulting in a more refined substance.

FAQs

What does "had been fractionated" mean?

The phrase "had been fractionated" means that a substance or sample has been separated into different components or fractions, typically through a scientific process. This is often done to analyze or isolate specific parts of the original substance.

When is it appropriate to use "had been fractionated"?

It is appropriate to use "had been fractionated" primarily in scientific or technical writing where a specific separation process has been applied to a sample. Simpler terms like "had been separated" or "had been divided" may be suitable in more general contexts.

What are some alternatives to "had been fractionated"?

Alternatives to "had been fractionated" include "had undergone fractionation", "had been separated", or "had been divided". The best choice depends on the specific context and the level of technical detail required.

Is "had been fractionated" grammatically correct?

Yes, "had been fractionated" is grammatically correct. It uses the past perfect passive voice to indicate that a fractionation process was completed at some point in the past relative to another point in time.