The Stool Collection Tubes are designed for stool sample collection and stabilization using a liquid Stabilizer. Samples are easily and hygienically collected with the spoon integrated to the lid. The DNA Stabilizer causes an inactivation of DNases, efficiently preventing the degradation of DNA. Bacteria in the sample are pre-lysed, preserving the microbial profile at the time point of sample collection, making the tubes ideal for microbiome research. DNA is stabilized for 3 months at room temperature.
Additionally, the Stool Collection Tubes are effective for the stabilization of metabolites, such as short chain fatty acids (SCFA)(1). Due to the stabilization of both DNA and metabolites, these tubes are perfectly suited for parallel multi-omic analyses, combining metagenomic and metabolomic analyses.
The Stool Collection Tubes are optimized for extraction using the PSP® Spin Stool DNA Basic Kit (manual extraction) or InviMag®Stool DNA Kit (automated extraction). However, other extraction kits such as QIAamp Power Fecal Pro DNA Kit (Qiagen), ZymoBIOMICS™ DNA/RNA Miniprep Kit (Zymo) or NucleoSpin® DNA Stool (Macherey-Nagel) are also compatible with the Stool Collection Tubes. Please refer to the Application Notes in the Resources section below.
The DNA Stabilizer also is available in a 180 ml bulk bottle format for direct processing of fresh or frozen sample material in combination with the PSP® Spin Stool DNA Basic Kit or the InviMag®Stool DNA Kit for stool sample extraction.
| Specifications | |
|---|---|
| Downstream application | 16S rRNA Microbiome profiling, Shotgun Metagenomic Sequencing, qPCR and arrays Metabolomic profiling, liquid chromatography-mass spectrometry (LC-MS), gas chromatography-mass spectrometry (GC-MS) |
| Stabilized targets | Bacterial DNA, genomic host DNA, metabolites (e.g. short chain fatty acids (SCFA)) |
| Starting material | 1 g of stool sample |
| Device specification | LxØ: 77 mm (with lid) /76 mm (without lid) x 20 mm |
| Storage/stabilization | DNA stabilization for 3 months at room temperature |
| Volume of DNA Stabilizer | 8 ml |
| Certification | RUO |
| Barcode | Barcoded for full sample traceability |
(1) INVITEK. How to Ensure Stool Sample Integrity for Gut Metagenomics & Metabolomics Analysis. BlogPost, 2025. Available at: https://blog.invitek.com/articles/microbiome/how-to-ensure-stool-sample-integrity-for-gut-metagenomics-metabolomics-analysis. Accessed on: 02 May 2025.
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| Product Name | Package Size | Catalogue No. |
|---|---|---|
| Stool Collection Tubes with DNA Stabilizer | 50 tubes | 1038111200 |
| Stool Collection Tubes with DNA Stabilizer | 250 tubes | 1038111300 |
Samples can be stored for up to 3 months at room temperature. For long term storage, samples can be frozen at -20°C or -80°C. It is recommended to homogenize samples well and aliquot prior freezing.
Yes, the Stool DNA Stabilizer as well as the PSP® Spin Stool Basic Kit (RUO application) for sample extraction have been used for animal and veterinary studies. Products have been used for a variety of animals like cattle, goat, birds, or bears.
The Stool Collection Tubes with DNA Stabilizer are optimized for extraction with the PSP® Spin Stool Basic Kit. However, other extraction kits are compatible with the Stool Collection Tubes with DNA Stabilizer as well. Please refer to the respective Invitek Diagnostics application notes.
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