fixed amount of enzyme

USAGE SUMMARY

The phrase "fixed amount of enzyme" is correct and usable in written English.
It can be used in scientific or technical contexts, particularly in discussions about biochemical reactions or experiments where a specific quantity of enzyme is required. Example: "In the experiment, we used a fixed amount of enzyme to ensure consistent results across all trials."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

For polygalacturonase, this fixed amount of enzyme activity was dependent on maturity stage at harvest.

Journal of Food Engineering

For pectin methyl esterase and β-galactosidase the maturity at harvest had almost no effect on this fixed amount of enzyme activity.

Journal of Food Engineering

Initial velocities were derived from series of reaction progress curves at different substrate concentrations with a fixed amount of enzyme (36 nM) and plotted against PI(4 P concentration.

Biochemistry

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

The steady state of reactions were determined by incubating a fixed amount of enzymes (7.30 μM UCHL1, 3.82 μM UCHL3, 0.03 μM UCHL5 and 1.87 μM BAP1) with the indicated excess of substrate.

Biochemical Journal

However, erythrocytes do not have nuclei and thus have a relatively fixed amount of antioxidant enzymes after maturation from reticulocytes.

Environmental Health Perspectives

As suggested by [ 35], we simulated genetic perturbation by limiting flux through all reactions associated to a specific enzyme by a fixed amount of the wild-type geometric FBA flux (0%, 10%, 90%).

BMC Systems Biology

The standard assay mixture with ABTS (HRP-ABTS assay) contained 50 μM putrescine, 50 mM Tris HCl buffer, pH 8.0, 100 μM ABTS, 5 U of Horseradish peroxidase, 10 μl of enzyme dilution (appropriately diluted), and a fixed amount of substrate.

Applied Microbiology and Biotechnology

This may be due to the overpopulated culture and fixed amount of nutrient with which the microorganisms begin to liberate proteolytic enzyme enhancing self-consumption (Srinath et al. 2002; Jayanthi et al. 2013).

Applied Water Science

Here, enzyme cocktails consisting of three pure lignocellulolytic enzymes endoglucanase (EG), cellobiohydrolase (CBH) and endoxylanase (XN) with a fixed amount of β-glucosidase were tailored for acid- and alkali-pretreated sugarcane bagasse (ACID and ALKALI, respectively).

Process Biochemistry

Amount of hyaluronan was determined using competitive enzyme linked immuno sorbent assay (ELISA) based technique where immobilized HA and HA in solution compete to bind with a fixed amount of biotinylated HA-binding proteins (b-HABPs).

Talanta

Burning calories uses up a fixed amount of oxygen.

The Guardian

Expert writing Tips

Best practice

When describing experimental procedures, specify the "fixed amount of enzyme" used to ensure reproducibility and allow for comparison across different studies.

Common error

Avoid using inconsistent units when reporting the "fixed amount of enzyme". Ensure the units (e.g., μM, mg, U) are clearly stated and consistent throughout your writing to prevent confusion.

Linguistic Context

The phrase "fixed amount of enzyme" primarily functions as a noun phrase, specifying a particular quantity of an enzyme. It's commonly used to define experimental conditions, as seen in Ludwig examples, ensuring consistent and reproducible results.

Expression frequency: Uncommon

Frequent in

Science

70%

News & Media

15%

Formal & Business

10%

Less common in

Academia

2%

Wiki

2%

Encyclopedias

1%

Ludwig's WRAP-UP

The phrase "fixed amount of enzyme" is a noun phrase primarily employed in scientific and technical contexts to denote a specific and unchanging quantity of an enzyme. As Ludwig AI indicates, this phrase is grammatically correct and functions to provide precise details regarding experimental parameters, ensuring reproducibility and clarity. Its use is predominantly found in scientific literature, although it may occasionally appear in news or business contexts. When using this phrase, it's crucial to maintain consistent units and specify the exact quantity to avoid ambiguity. Alternatives such as "constant enzyme quantity" or "specific quantity of enzyme" can be considered depending on the specific nuance you wish to convey.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

constant enzyme quantity

Replaces 'fixed amount' with 'constant quantity', emphasizing the unchanging nature of the enzyme.

specific quantity of enzyme

Substitutes 'fixed amount' with 'specific quantity', highlighting the precision of the enzyme measurement.

determined enzyme concentration

Changes 'fixed amount' to 'determined concentration', focusing on the established measure of enzyme.

controlled enzyme level

Replaces 'fixed amount' with 'controlled level', suggesting regulation of the enzyme's quantity.

set enzyme quantity

Uses 'set quantity' instead of 'fixed amount', implying that the enzyme level has been pre-determined.

precise enzyme dosage

Employs 'precise dosage' instead of 'fixed amount', emphasizing the exactness of the enzyme application.

consistent enzyme volume

Replaces 'fixed amount' with 'consistent volume', highlighting uniformity of the enzyme's quantity.

regulated enzyme quantity

Substitutes 'fixed amount' with 'regulated quantity', indicating the enzyme's quantity is actively managed.

established enzyme level

Changes 'fixed amount' to 'established level', pointing to a formally recognized enzyme measurement.

known enzyme concentration

Replaces 'fixed amount' with 'known concentration', stressing awareness of the enzyme's precise quantity.

FAQs

How can I use "fixed amount of enzyme" in a sentence?

You can use "fixed amount of enzyme" to describe experimental conditions, such as, "We incubated the substrate with a "fixed amount of enzyme" to measure reaction rates."

What's a good alternative to "fixed amount of enzyme"?

Alternatives include "constant enzyme quantity", "specific quantity of enzyme", or "determined enzyme concentration" depending on the context.

Is it better to say "fixed amount of enzyme" or "constant amount of enzyme"?

Both "fixed amount of enzyme" and "constant amount of enzyme" are acceptable. "Fixed" implies a pre-determined quantity, while "constant" emphasizes that the quantity remains unchanged during the process.

Why is it important to use a "fixed amount of enzyme" in experiments?

Using a "fixed amount of enzyme" helps ensure that any observed changes are due to other variables being tested and not fluctuations in the enzyme concentration, leading to more reliable and reproducible results.