C004 Greiner Preanalytics Kat 2013 00104

New stabilizer for urine specimens

The stabilization of urine is most important if the specimen cannot be analysed within two hours. A particular problem is exponential bacterial growth, since certain bacteria divide every 20 minutes. This can lead to an overgrowth of pathogenic bacteria, making detection difficult. Furthermore, the lysis of cells is accelerated in native urine at room temperature, altering the concentration of various analytes constantly. This problem is essential for longer transportation and processing times. It has been shown, that on average 15% of urine samples intended for urine culture are contaminated. Some additives that may have been used up to now for stabilization have proven not to be optimal, as oft en the additive does not dissolve quickly or fully. The new Vacuette Urine CCM tube contains a stabilizer in powder form, which keeps the urine sample stable for up to 48 hours at 20 – 25°C. During this time period, the urine specimen can be stored or transported without refrigeration. All mandatory and facultative uropathogenic bacteria can be stabilized and reliably detected in the Vacuette Urine CCM tube for up to 48 hours. A particular advantage is the high solubility of the stabilizer in powder form. By inverting the tube several times, the urine mixes completely with the stabilizer additive, ensuring quick stabilization of the urine sample. The tube can be used for urine screening (strip test, sediment, clinical chemistry) and/or for microbiology, since sample stability is guaranteed for up to 48 hours. The extensive application in urine diagnostics makes daily routine work easier and more efficient: one urine sample for a broad range of determinations. This is not only an advantage for medical staff but also for the patient. Made from shatter-proof, highly transparent PET plastic, the Vacuette Urine CCM tube with safety cap is user-friendly as it is especially easy to open. This allows for a hygienic operating method, with no risk of splashes or aerosols.


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