qDBS Blood Sample Card
Capitainer qDBS is CE-marked and registered as an IVD product according to the 98/97EC In vitro Diagnostic Medical Device Directive and registered with the US FDA as a Device Class 1. Product availability may vary from country to country and is subject to varying regulatory requirements. Please contact your local sales representative for availability.
The Capitainer qDBS card accurately collects 10 μl whole blood on a cotton paper matrix.
The blood sample is obtained through finger pricking.
The unique design of the qDBS inlet guides the blood drop into the device.
A colour change indicates successful sampling.
Capitainer’s paper based shipping pouch allows the sample to dry during transportation.
No drying step is required by the user. All components are designed to make sampling easy for the user.
PEth / DNA, RNA / Proteins / Antibodies / Therapeutic Drugs / Drugs of Abuse / Trace Elements
Dimensions: 78 x 43 x 3 mm
Sample volume: 2 x 10 ul
DBS paper: Ahlstrom grade 222
>80% of the device is paper based
<1,7 grams of plastics per device
Better than 0.5 μl as one Standard
Deviation (SD), (CV <5%)
Rate of over- or under-sampling
(with a deviation >3 SD) <0.1%
+15°C to +35°C
Relative humidity range:
15% to 90%
25% to 55%
The Card must be used within 30 minutes from opening the package
Collected qDBS samples can be stored at room temperature.
The stability of individual analytes in DBS samples should be validated by the responsible laboratory. In general, stability increases with lower temperature and lower humidity. qDBS discs can be stored in the freezer to extend stability. Please refer to the extensive literature for traditional DBS samples as guidance for individual analytes.
Dispose according to local regulations. Take care with blood stained materials and sharps.
Capitainer qDBS is CE-marked, registered as an IVD product according to the 98/97EC In vitro Diagnostic Medical Device Directive and registered with the US FDA as a Device Class 1.
Solna Torg 19
SE-171 45 Solna