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Improved Pigment Detection and Quantitation for Quality-Assured HPLC Production Analysis Crystal Thomas Code 614.2 Ocean Ecology Branch NASA-Goddard Space.

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Presentation on theme: "Improved Pigment Detection and Quantitation for Quality-Assured HPLC Production Analysis Crystal Thomas Code 614.2 Ocean Ecology Branch NASA-Goddard Space."— Presentation transcript:

1 Improved Pigment Detection and Quantitation for Quality-Assured HPLC Production Analysis Crystal Thomas Code Ocean Ecology Branch NASA-Goddard Space Flight Center Science Systems and Applications, Inc. Greenbelt, MD USA MODIS Science Team Meeting May 18-20, 2011

2 HPLC analysis moves to GSFC What changes –Location –Some personnel –HPLC instrumentation –Possibly the HPLC method What doesn’t –Lead HPLC analyst –General sample, data exchange procedures –Need for replicates as part of sampling procedure –Overall approach/ commitment to quality MODIS Science Team Meeting May 18-20, 2011

3 Quality Assurance Method validation Strict adherence to QAP –Standardized procedures (SOPs) –Corrective actions Continuous quality assessment –accuracy, precision, Rs (control charts-WL, CL) Participation in, and learning lessons from, round robins (Ex. SeaHARRE) MODIS Science Team Meeting May 18-20, 2011

4 What does this transition entail? Lab renovation MODIS Science Team Meeting May 18-20, 2011

5 What does this transition entail? Lab renovation New HPLC MODIS Science Team Meeting May 18-20, 2011

6 What does this transition entail? Lab renovation New HPLC New technician MODIS Science Team Meeting May 18-20, 2011

7 What does this transition entail? What does this mean for PIs? Temporary hold on shipping samples Lab renovation New HPLC New technician MODIS Science Team Meeting May 18-20, 2011

8 Timeline AprilNew HPLC and freezer purchased MayHPLC installed Liquid N2 backup installed on -80 freezers Emergency call system installed on -80 freezers Renovation started on new lab Initial method development on new HPLC JuneComplete HPLC method development Begin HPLC method validation JulyLab renovations scheduled to be completed Begin move to new lab AugustComplete method validation Begin accepting HPLC samples Finish move to new lab Hire HPLC technician MODIS Science Team Meeting May 18-20, 2011

9 Method Validation Define analytical requirement Performance parameters –Accuracy, precision capabilities –Specificity –LOD, LOQ –Working, linear ranges –Calibration-repeatability, reproducibility –Ruggedness –Performance Metrics MODIS Science Team Meeting May 18-20, 2011

10 Acknowledgements Joaquin Chaves Win Decker Chuck McClain Antonio Mannino Karen Mitchell Aimee Neeley Mike Novak Jeremy Werdell


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