UroStabl™: Urine Preservation Medium for Culture and Molecular Analysis
The first urine container designed so one sample can go to both microbial culture and PCR or NGS, without refrigeration.
Indigenous Patented Technology
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Key features
- Boric acid and formaldehyde free: non-toxic, non-inhibitory chemistry that does not kill sensitive microbes.
- Supports culture, PCR, RT-PCR and NGS from the same sample.
- Preserves urine for up to 5–7 days at room temperature; no cold chain.
- Over 90% pathogen recovery.
- Revives sensitive microbes including E. coli, Enterococcus, Klebsiella pneumoniae, Proteus mirabilis, Enterobacter cloacae, beta-haemolytic streptococci, Neisseria and Chlamydia.
What is UroStabl™?
UroStabl™ is a proprietary, boric acid-free and formate-free urine preservation solution for ambient collection, transport, microbial culture and DNA/RNA-based diagnostics. It is the first of its kind in the world.
One urine sample for culture and PCR
Dual use from a single tube: microbial revival for culture, plus DNA/RNA preservation for qPCR, RT-PCR and NGS.
A modern alternative to boric acid
Boric acid can kill sensitive pathogens and suits neither revival nor molecular work. UroStabl™ is a preservation-focused alternative that is completely free of boric acid, formalin and sodium azide.
Cold-chain-free urine transport
Samples are stable for 5–7 days, even at 15–25°C and 70% humidity.
RNA-ready variant
An RNA-protecting formulation is available for viral and bacterial RNA diagnostics. RNA samples need immediate storage at -20°C or -80°C.
Compatible assays and workflows
Culture, PCR, RT-PCR, NGS and routine laboratory workflows. The product is approved by large testing laboratories in India.
How to use UroStabl™
- Use 0.5 mL of UroStabl™ per 30 mL urine, or 1 mL per 60 mL urine (about 1:50 to 1:60).
- Close the container and invert to mix.
- Transport at room temperature and store as instructed.
Specifications
| Mixing ratio | About 1:50 to 1:60 (0.5 mL per 30 mL urine; 1 mL per 60 mL) |
|---|---|
| Stability | 5–7 days, even at 15–25°C and 70% humidity |
| Fill volume | 0.5 mL in a 30 mL tube, or 1 mL in a 60 mL tube |
| Applications | UTI, STI and RTI diagnostics, AMR surveillance, sepsis and cancer biomarker studies, women’s health, biobanking |
| Validation | Developed in DSIR-recognised, ISO 9001:2015 labs; clinically tested with Dr Lal PathLabs |
Catalogue codes
| Code | Pack |
|---|---|
RVN-US-0.5-00 | 30 mL sterilised container |
Questions buyers ask
Can UroStabl™ preserve urine for both culture and PCR?
Yes, effectively. It is approved by large testing laboratories in India.
How long can urine samples be transported at room temperature in UroStabl™?
5–7 days, even at 15–25°C with 70% humidity.
Is UroStabl™ free from boric acid, formalin and sodium azide?
Yes. It is completely free from these toxic reagents.
Does UroStabl™ support microbial revival?
Yes, including sensitive microbes.
What tube formats are available for UroStabl™?
0.5 mL of UroStabl™ in a 30 mL tube, or 1 mL in a 60 mL tube, based on customer requirement.
