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MB Sample ID: SA127479

Local Sample ID:PAG176_Inf
Subject ID:SU001590
Subject Type:Human
Subject Species:Homo sapiens
Taxonomy ID:9606
Age Or Age Range:2-12 years
Weight Or Weight Range:11-30 Kilograms
Height Or Height Range:85 - 137 cm
Gender:Male and female
Human Ethnicity:Gouin (Burkina Faso, West Africa)
Human Inclusion Criteria:residency in the Nafona- and Bounouna rural area in Burkina Faso, age of 2 to 12 years, no P. falciparum infection at the time of enrollment (as evidenced by malaria rapid diagnostic test and confirmed later with microscopy and qPCR), no fever (axillary temperature ≥37.5°C) or history of fever within the preceding 48 hours
Human Exclusion Criteria:history of immunosuppressive diseases or chronic diseases, signs of concomitant febrile illness or active infection, use of anti-malarial treatment within the preceding two weeks, use of immunosuppressant or other immune-modifying drugs within the preceding six months and receiving blood transfusion within the preceding three months
Species Group:Mammals

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Sample Preparation:

Sampleprep ID:SP001598
Sampleprep Summary:Samples were prepared using the automated MicroLab STAR® system from Hamilton Company. Several recovery standards were added prior to the first step in the extraction process for QC purposes. To remove protein, dissociate small molecules bound to protein or trapped in the precipitated protein matrix, and to recover chemically diverse metabolites, proteins were precipitated with methanol under vigorous shaking for 2 min (Glen Mills GenoGrinder 2000) followed by centrifugation. The resulting extract was divided into five fractions: two for analysis by two separate reverse phase (RP)/UPLC-MS/MS methods with positive ion mode electrospray ionization (ESI), one for analysis by RP/UPLC-MS/MS with negative ion mode ESI, one for analysis by HILIC/UPLC-MS/MS with negative ion mode ESI, and one sample was reserved for backup. Samples were placed briefly on a TurboVap® (Zymark) to remove the organic solvent. The sample extracts were stored overnight under nitrogen before preparation for analysis.
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