A New Tool for the Automated Sample Preparation of Whole Blood Samples by LC-MS using a Commercial Autosampler
Poster Jul 06, 2017
Christian Berchtold, Guenter Boehm, Renée Falsia, Thomas Preiswerk, Götz Schlotterbeck
- The new LCMS-P 80 Tool is capable of pipetting whole blood with normal hematocrit levels (30-50%) directly from primary tubes with good accuracy and precision, applying one average correction factor. For high hematocrit levels a different correction factor should be applied.
- Wash procedures were established to minimize carryover of analytes. A procedure to minimize the deposition of blood on system surfaces proofed successful.
- The system consisting of a commercial PAL RTC autosampler, connected to an Agilent LC-MS system can perform the complete sample prep and LC-MS analysis for whole blood samples from primary tube. The performance of the system was tested with several typical compounds in therapeutically relevant concentrations.
- Future work is aimed at evaluating the capability of the sensor to reliably detect certain error conditions.
Spinal muscular atrophy (SMA) is an inheritable cause of infant mortality that is characterized by the loss of lower motor neurons and skeletal muscle atrophy. The degeneration of motor neurons is caused by insufficient levels of survival motor neuron (SMN) protein, which is encoded by two nearly identical genes SMN1 and SMN2. Most cases of SMA harbour homozygous deletions of the SMN1 gene and retain at least one copy of SMN2.READ MORE