| Field | Specification |
|---|---|
| Mfr No | |
| Assay Time | |
| Detection Method | |
| Product Type | |
| Sample Type(s) | Serum, plasma, urine, and other biological samples |
| Shipping | |
| Species | |
| Storage |
Overview
For quantitative determination of total bile acids and evaluation of drug effects on bile acid metabolism. The assay uses FL530/585nm for signal readout. Compatible sample input includes Serum, plasma, urine, and other biological samples. Typical stated assay timing is 20 min.
Key elements and design rationale
- Readout format: FL530/585nm supports plate-based signal acquisition and consistent comparison across matched samples.
- Sample compatibility: The stated sample scope includes Serum, plasma, urine, and other biological samples, which is useful when aligning matrix type with calibration and control design.
- Analytical range context: The supplied specifications include a stated detection limit of 1 µM for interpreting low-signal samples.
- Feature emphasis: Safe. Non-radioactive assay.
Additional feature notes highlight Sensitive and accurate. Linear detection range of 1 – 150 µM bile acids; Convenient and high-throughput. Homogeneous “mix-incubate-measure” type assay. No wash and reagent transfer steps are involved. Can be readily automated on HTS liquid handling systems for processing thousands of samples per day. Available format information for this listing includes 100 Tests.
Biological background
This product is centered on measurement of enzyfluo bile acid 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
BILE ACIDS. Twelve different types of bile acids are typically found in mammals, among them two primary types are cholic acid and chenodeoxycholic acid. These can be dehydroxylated into secondary bile acids. Finally, these four can be conjugated to either taurine or glycine creating 8 different conjugated bile acids. Bile acid levels in feces, blood, urine, and bile can be used as markers for various diseases such as hyperlipidemia, cholestasis, gallstones, colon cancer, etc. Bile acids also exist in a sulfate salt form known as bile acid-sulfates. Sulfation of bile acids increases their solubility and decreases intestinal absorption, thereby enhancing fecal and urinary excretion. This assay does not measure bile acid-sulfates, and measures only the twelve non-sulfated bile acids. BioAssay Systems’ Bile Acid Assay Kit provides a convenient fluorimetric means to measure total bile acids in biological samples. In the assay, 3α-hydroxysteroid dehydrogenase reacts with all twelve bile acids, converting NAD to NADH, which reduces a probe to a highly fluorescent product. The resulting fluorescence intensity (λex/em = 530/585 nm) is linear to the bile acid concentration in the sample.
Detection method
Fluorescent (FL 530/585 nm).
Detection limit and analytical sensitivity
Reported detection limit: 1 µM.
Procedures and timing
Stated procedure or timing information: 20 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 enzyfluo bile acid in serum, plasma, urine by FL530/585 nm readout.
- Compare treatment or phenotype groups using matched serum, plasma, urine handling.
- Monitor time-course or pre/post changes in serum, plasma, urine 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.
Ommati, M. M., et al (2020) Oral administration of thiol-reducing agents mitigates gut barrier disintegrity and bacteria
Ommati, M. M., et al (2020) Oral administration of thiol-reducing agents mitigates gut barrier disintegrity and bacterial lipopolysaccharide translocation in a rat model of biliary obstruction. Current Research in Pharmacology and Drug Discovery, 1, 10-18. Assay: Bile Acid in rats serum.
Cholestasis-associated reproductive toxicity in male and female rats: The fundamental role of mitochondrial impairment and oxidative stress
Ommati, M. M., Farshad, O., Niknahad, H., Arabnezhad, M. R., Azarpira, N., Mohammadi, H. R., Haghnegahdar, M., Mousavi, K., Akrami, S., Jamshidzadeh, A., & Heidari, R. (2019). Cholestasis-associated reproductive toxicity in male and female rats: The fundamental role of mitochondrial impairment and oxidative stress. Toxicology Letters, 316, 60-72. Assay: Bile Acid in rats serum, ovary and testes tissue.
Increase in the lipopolysaccharide activity and accumulation of gram-negative bacteria in the stomach with low acidity
Sano, M., et al (2020). Increase in the lipopolysaccharide activity and accumulation of gram-negative bacteria in the stomach with low acidity. Clinical and Translational Gastroenterology, 11(7). Assay: Bile Acid in human gastric fluid.
N-acetyl cysteine treatment mitigates biomarkers of oxidative stress in different tissues of bile duct ligated rats
Ommati, M. M.,et al (2020). N-acetyl cysteine treatment mitigates biomarkers of oxidative stress in different tissues of bile duct ligated rats. Stress (Amsterdam, Netherlands), 1-16. Assay: Bile Acid in rats serum and tissue.
Alteration in the gastric microbiota and its restoration by probiotics in patients with functional dyspepsia
Igarashi, Muneki, et al (2017). Alteration in the gastric microbiota and its restoration by probiotics in patients with functional dyspepsia. BMJ open gastroenterology 4.1: e000144. Assay: Bile Acid in human gastric fluid.