QuantiChrom™ Acetylcholinesterase Assay Kit

Overview

For quantitative determination of acetylcholinesterase activity and evaluation of acetylcholinesterase inhibitors. The assay uses OD412nm for signal readout. Compatible sample input includes Blood, serum, plasma etc. Typical stated assay timing is 10 min.

Key elements and design rationale

• Readout format: OD412nm supports plate-based signal acquisition and consistent comparison across matched samples.
• Sample compatibility: The stated sample scope includes Blood, serum, plasma etc, which is useful when aligning matrix type with calibration and control design.
• Analytical range context: The supplied specifications include a stated detection limit of 10 U/L for interpreting low-signal samples.
• Feature emphasis: Sensitive and accurate. Detection range 10 to 600 U/L AChE activity in a 96-well plate assay.

Additional feature notes highlight Convenient. The procedure involves adding a single working reagent and reading the optical density at 2 min and 10 min at room temperature; High-throughput. Can be readily automated as a high-throughput 96-well plate assay for thousands of samples per day. Available format information for this listing includes 100 Tests.

Biological background

This product is centered on measurement of acetylcholinesterase within the matrices described for the assay. In practice, datasets from this type of format are typically interpreted by comparing relative signal, activity, or abundance across matched control and experimental groups rather than relying on a single value in isolation. Careful alignment of sample matrix, incubation window, and calibration strategy is important when comparing results across plates, operators, or study days.

More details

ACETYLCHOLINESTERASE (EC 3.1.1.7, AChE), also known as RBC cholinesterase, is found primarily in the blood and neural synapses. Low serum cholinesterase activity may relate to exposure to insecticides or to one of a number of variant genotypes. AChE catalyzes the hydrolysis of the neurotransmitter acetylcholine into choline and acetic acid, a reaction necessary to allow a cholinergic neuron to return to its resting state after activation. Cholinesterase levels of cells and plasma are used as a guide in establishing safety precautions relative to exposure and contact, as well as a guide in determining the need for workers to be removed from areas of contact with the organic phosphate insecticides. Simple, direct, and automation-ready procedures for measuring AChE activity are very desirable. BioAssay Systems QuantiChrom™ Acetylcholinesterase Assay is based on an improved Ellman method, in which thiocholine produced by the action of acetylcholinesterase forms a yellow color with 5,5’-dithiobis(2-nitrobenzoic acid). The intensity of the product color, measured at 412 nm, is proportionate to the enzyme activity in the sample.

Detection method

Colorimetric (OD 412 nm).

Detection limit and analytical sensitivity

Reported detection limit: 10 U/L.

Procedures and timing

Stated procedure or timing information: 10 min.

Research relevance and current trends

• Plate-based quantification and side-by-side group comparison remain central use cases for this assay format.
• The product notes emphasize multi-sample throughput, making it relevant for screening-oriented and larger batch comparison studies.
• The description supports intervention-focused study designs in which researchers compare baseline and perturbed conditions.

Common research applications

• Quantify acetylcholinesterase in blood, serum, plasma by OD412 nm readout.
• Compare treatment or phenotype groups using matched blood, serum, plasma handling.
• Monitor time-course or pre/post changes in blood, serum, plasma across study conditions.

Interpretation is usually strongest when signal changes are assessed alongside matrix-matched controls, replicate agreement, and the assay's stated analytical window.

Notes for experimental interpretation

• Matrix composition, background signal, and sample handling can influence apparent response; compare like-with-like whenever possible.
• Use appropriate blanks, controls, and replicate wells to distinguish biological differences from plate, reagent, or handling variability.

For laboratories requiring additional technical capacity, we provide scientific support services including assay execution, method guidance, product sourcing, and customization to align the assay with specific experimental objectives. If you need assistance selecting the appropriate kit configuration, adapting the workflow to your application, or identifying related research services, please click Talk to a Scientist, email support@biohippo.com, or review our Research Services; a member of our scientific team will follow up with recommendations tailored to your study.