| Field | Specification |
|---|---|
| Mfr No | |
| Assay Time | |
| Detection Method | |
| Product Type | |
| Sample Type(s) | Hydroxyproline and collagen in biologic and cosmetic samples |
| Shipping | |
| Species | |
| Storage |
Overview
For quantitative determination of hydroxyproline and collagen in biologic and cosmetic samples. The assay uses OD560nm for signal readout. Compatible sample input includes Hydroxyproline and collagen in biologic and cosmetic samples. Typical stated assay timing is Approx. 2 hrs.
Key elements and design rationale
- Readout format: OD560nm supports plate-based signal acquisition and consistent comparison across matched samples.
- Sample compatibility: The stated sample scope includes Hydroxyproline and collagen in biologic and cosmetic 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 0.5 µg/mL for interpreting low-signal samples.
- Feature emphasis: Safe. Our hydroxyproline assay uses an improved perchlorate-free chemistry.
Additional feature notes highlight Sensitive and accurate. Uses 20 µL sample. Linear detection range 0.5 µg/mL to 50 µg/mL hydroxyproline in 96-well plate assay; Convenient. Collagen can be hydrolyzed in Eppendorf tubes, and final incubation can be performed at 37°C. Available format information for this listing includes 100 Tests.
Biological background
This product is centered on measurement of hydroxyproline 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
HYDROXYPROLINEis a unique modified amino acid that is found exclusively in several animal proteins, the most prevalent of which is collagen. Collagen is a key structural protein of the extracellular matrix and is common in connective tissues due to its incredible strength. Because of its role as a key structural protein in animals collagen is crucial for many medical applications, such as tissue transplantation and scaffolding for complex cell cultures. Collagen is also used in the beauty industry, as it can be supplemented to increase tissue rigidity, resulting in skin that appears more youthful. BioAssay Systems’ Hydroxyproline assay kit delivers a safe, simple, and sensitive means to quantify hydroxyproline in samples. In the first step of this procedure, hydroxyproline in the sample is oxidized to a pyrrole ring. This compound then reacts with a dye reagent to yield a pink product that can be measured at 560 nm. Hydroxyproline exists almost exclusively in collagen, so hydroxyproline content can be used as a proxy for collagen content.
Detection method
Colorimetric (OD 560 nm).
Detection limit and analytical sensitivity
Reported detection limit: 0.5 µg/mL.
Procedures and timing
Stated procedure or timing information: Approx. 2 hrs.
Research relevance and current trends
- Plate-based quantification and side-by-side group comparison remain central use cases for this assay format.
- Short assay timing and plate compatibility support time-course or repeated-measure collection plans when handling is kept consistent.
- Matched standards, blanks, and replicate wells are typically used to improve interpretability across batches and sample matrices.
Common research applications
- Quantify hydroxyproline in hydroxyproline and collagen in biologic and by OD560 nm readout.
- Compare treatment or phenotype groups using matched hydroxyproline and collagen in biologic and handling.
- Monitor time-course or pre/post changes in hydroxyproline and collagen in biologic and 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.
How do I hydrolyze solid collagen samples(cartilage, tendon, etc.)?
Dessicate sample in a drying oven until all water has been removed(Can measure wet weight, but dry is more accurate). Add 50 µL 10N NaOH for every 150 mg of sample to be hydrolyzed in an Eppendorf tube. Heat in a heat block at 100°C for 1-2 hours. Allow tube to cool. Add equivalent 10N HCl to neutralize NaOH. Add a volume of deionized water equal to the amount of NaOH and HCl added. (A detailed hydrolysis procedure is in the product datasheet).
Do I need to hydrolyze the hydroxyproline standard?
We have found that the hydroxyproline standards and blank are very similar whether or not they undergo hydrolysis. Therefore, the kit does not require hydrolysis treatment of the hydroxyproline standard.
Can I run the final incubation at a different temperature?
The incubation can be set to 45°C for 50 minutes. The protocol states to use 37°C because then it can be run in a plate reader or a tissue culture incubator. Some plate readers may not heat to 45°C.
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.
