higher molecular weight

USAGE SUMMARY

The phrase "higher molecular weight" is correct and usable in written English.
It is typically used in chemistry or biology to refer to the average mass of a particular molecule, relative to other molecules. For example, "Many polymers have higher molecular weight molecules than hydrocarbons."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The identity of the higher molecular weight complexes was further supported by co-immunoprecipitation studies.

Nature

The higher molecular weight fibroin provided good electrospinnability.

Materials Science and Engineering: C

To obtain a higher molecular weight, larger, branched alkyl chains were required to be incorporated on the polymer backbone.

Nature

Mendoza, A. N. & Ponnamperuma, C. Prebiotic formation of higher molecular weight compounds from the photolysis of aqueous acetic acid.

Nature

The smear from 50 70 kDa and the higher molecular weight bands include albumin and unknown proteins.

Nature

Polymerization resumes when more monomer is added to yield a polymer of yet higher molecular weight.

Encyclopedia Britannica

Our investigations indicated that HBP with higher molecular weight was obtained in relatively lower concentration.

Polymer

Higher molecular weight PAHs (4 rings) were strongly linked mutually and with the ∑16PAHs.

Science of The Total Environment

Similar experimental results were observed with Ni2+, Mn2+ cations and PVA-Vac of higher molecular weight.

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Similar antiwear effectiveness was also achieved for higher molecular weight cycloamides, e.g. laurolactam.

Wear

This pattern of vWF changes was paralleled by the early loss of higher molecular weight multimers.

Duke University

Expert writing Tips

Best practice

When describing substances with varying molecular weights, clearly specify the units (e.g., Daltons, kDa) to avoid ambiguity and ensure accurate comparisons.

Common error

Don't assume that a "higher molecular weight" is always advantageous. In some applications, lower molecular weight compounds may be more desirable due to factors like increased solubility or bioavailability. Context is crucial.

Linguistic Context

The phrase "higher molecular weight" functions primarily as a descriptive adjective modifying a noun (e.g., compound, protein, polymer). It specifies a relative characteristic based on molecular mass. According to Ludwig, the phrase is widely used and grammatically sound.

Expression frequency: Very common

Frequent in

Science

95%

Encyclopedias

3%

Academia

2%

Less common in

News & Media

0%

Formal & Business

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "higher molecular weight" is a grammatically correct and exceptionally common term, particularly within the realm of science. Ludwig AI confirms its proper usage and widespread acceptance. As a descriptive adjective, it facilitates comparisons between molecules, highlighting differences in their mass, which has significant implications for their properties and applications. While alternatives such as "greater molecular weight" or "increased molecular weight" exist, "higher molecular weight" remains the standard choice in scientific contexts. It's crucial to understand the context in which the phrase is used, as a "higher molecular weight" is not always inherently advantageous. Remember to use appropriate units when specifying molecular weights to avoid ambiguity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

increased molecular weight

This alternative simply replaces "higher" with "increased", maintaining the same meaning.

greater molecular weight

Replacing "higher" with "greater" offers a synonymous alternative.

larger molecular weight

This alternative uses "larger" in place of "higher", indicating an increase in size or mass.

elevated molecular weight

The word "elevated" is used instead of "higher", suggesting an increase from a baseline.

enhanced molecular weight

This alternative suggests an improvement or intensification in molecular weight.

superior molecular weight

This suggests a molecular weight that is better or more desirable compared to others.

increased molar mass

This is a more technical term that substitutes "molecular weight" with "molar mass" for more precision.

advanced molecular weight

Using "advanced" in place of "higher" implies sophistication or progress in the molecular weight.

significant molecular weight

This alternative emphasizes the importance or impact of the molecular weight.

amplified molecular weight

Here, "amplified" is used to convey a substantial increase in molecular weight.

FAQs

How is "higher molecular weight" typically measured?

The "higher molecular weight" of a substance is often determined using techniques like gel electrophoresis, mass spectrometry, or size exclusion chromatography. These methods allow scientists to separate and analyze molecules based on their size and mass.

What does it mean when a protein shows a "higher molecular weight" band on a gel?

A "higher molecular weight" band on a gel, as seen in Ludwig's examples, may indicate protein aggregation, post-translational modifications (such as glycosylation or ubiquitination), or the presence of protein complexes. Further analysis is needed to determine the exact cause.

Which is more accurate, saying "higher molecular weight" or "larger molecular weight"?

Both "higher molecular weight" and "larger molecular weight" are acceptable. However, "higher molecular weight" is generally preferred in scientific literature as it directly refers to the measurable property of molecular weight.

How does "higher molecular weight" affect a polymer's properties?

A "higher molecular weight" in polymers generally leads to increased strength, viscosity, and melting point. However, it can also decrease solubility and processability. The specific effects depend on the type of polymer and its application.