Olga V Friese

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A methodology based on on-line coupling of size exclusion chromatography (SEC) with mixed-mode liquid chromatography (LC) has been developed. The method allows for simultaneous measurement of a wide range of components in biopharmaceutical drug products. These components include the active pharmaceutical ingredient (protein) and various kinds of excipients(More)
OBJECTIVE Inflammatory mediators, such as prostaglandin E2 (PGE2 ) and interleukin-1β (IL-1β), are produced by osteoarthritic (OA) joint tissue, where they may contribute to disease pathogenesis. We undertook the present study to examine whether inflammation, evidenced in plasma and peripheral blood leukocytes (PBLs), reflects the presence, progression, or(More)
OBJECTIVES To characterize the utility of nitrotyrosine (NT) as a biomarker for arthritis and joint injury. DESIGN Synovial fluid, plasma, and urine from patients diagnosed with osteoarthritis (OA), rheumatoid arthritis (RA), anterior cruciate ligament (ACL) injury, meniscus injury and pseudogout, and knee-healthy volunteers were analyzed for(More)
Apolipoprotein C3 (Apo C3) LNA/DNA gapmer was evaluated under various stress and formulation conditions for the purpose of its development as a potential biotherapeutic for low density lipoprotein (LDL) lowering. Using ion-pairing (IP) reversed-phase (RP) liquid chromatography ultra-high resolution (UHR) tandem mass spectrometry (IP-RPLC-MS/MS), a(More)
Trumenba (bivalent rLP2086) is a vaccine licensed for the prevention of meningococcal meningitis disease caused by Neisseria meningitidis serogroup B (NmB) in individuals 10–25 years of age in the USA. The vaccine is composed of two factor H binding protein (fHbp) variants that were recombinantly expressed in Escherichia coli as native lipoproteins:(More)
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