Search Results - "FOUNTAIN, Scott"
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Fit-for-purpose method development and validation for successful biomarker measurement
Published in Pharmaceutical research (01-02-2006)“…Despite major advances in modern drug discovery and development, the number of new drug approvals has not kept pace with the increased cost of their…”
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The 'blended' bioanalytical laboratory: the marriage of antibody- and instrument-based methods and expertise
Published in Bioanalysis (01-03-2014)Get full text
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Clinical validation of an immunoaffinity LC–MS/MS assay for the quantification of a collagen type II neoepitope peptide: A biomarker of matrix metalloproteinase activity and osteoarthritis in human urine
Published in Analytical biochemistry (01-10-2007)“…The degradation of type II collagen has been associated with the pathology of osteoarthritis (OA). Matrix metalloproteinases (MMPs) are enzymes that are…”
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The validation of a simple LC/MS/MS method for determining the level of mevalonic acid in human plasma
Published in Biomedical chromatography (01-03-2011)“…A simple plasma extraction method coupled with liquid chromatography–tandem mass spectrometry (LC/MS/MS) detection was developed and validated for the analysis…”
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Quantification and Rapid Metabolite Identification in Drug Discovery Using API Time-of-Flight LC/MS
Published in Analytical chemistry (Washington) (15-02-2000)“…Liquid chromatography/mass spectrometry (LC/MS), utilizing a time-of-flight (TOF) mass analyzer, has been evaluated and applied to problems in bioanalysis for…”
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A validated LC/MS/MS method for the quantification of pyrrole-2,3,5-tricarboxylic acid (PTCA), a eumelanin specific biomarker, in human skin punch biopsies
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (05-11-2005)“…A novel skin tissue extraction method coupled with liquid chromatography-tandem mass spectrometry (LC/MS/MS) detection was developed and validated for the…”
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Development and Validation of an LC/MS/MS Procedure for the Quantification of Endogenous myo-Inositol Concentrations in Rat Brain Tissue Homogenates
Published in Analytical chemistry (Washington) (15-08-2004)“…myo-Inositol is being investigated as a biomarker to monitor disease states involving the central nervous system. We have developed and validated a…”
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LC-MS/MS detection of peroxynitrite-derived 3-nitrotyrosine in rat microvessels
Published in Free radical biology & medicine (01-12-2000)“…3-Nitrotyrosine (3NT) is used as a biomarker of nitrative pathology caused by peroxynitrite (PN), myeloperoxidase (MPO)–, and/or eosinophil peroxidase…”
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Development and validation of a semi-automated method for l-dopa and dopamine in rat plasma using electrospray LC/MS/MS
Published in Journal of pharmaceutical and biomedical analysis (15-12-2000)“…A semi-automated alumina-based extraction method for the determination of l-dopa and dopamine in plasma using liquid chromatography/mass spectrometry was…”
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Investigation of EDTA anticoagulant in plasma to improve the throughput of liquid chromatography/tandem mass spectrometric assays
Published in Rapid communications in mass spectrometry (01-01-2003)“…In this study, EDTA and heparin are compared as anticoagulants with respect to their efficiency in preventing clot formation in plasma samples that were…”
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A quantitative LC–MS/MS approach for monitoring 2′-fluoro-2′-deoxy-D-glucose uptake in tumor tissue
Published in Bioanalysis (01-03-2021)“…Develop a quantitative LC–MS/MS method for FDG, FDG-monophosphate, glucose and glucose-monophosphate in mouse tumor models to assist in validating the use of […”
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Diethylation Labeling Combined with UPLC/MS/MS for Simultaneous Determination of a Panel of Monoamine Neurotransmitters in Rat Prefrontal Cortex Microdialysates
Published in Analytical chemistry (Washington) (01-12-2008)“…The primary challenge associated with the development of an LC/MS/MS-based assay for simultaneous determination of biogenic monoamine neurotransmitters such as…”
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Wavelength-specific resonance-enhanced multiphoton ionization for isomer discrimination via fragmentation and metastable analysis
Published in Analytical chemistry (Washington) (01-05-1993)“…A study found that resonance-enhanced multiphoton ionization (REMPI) at two wavelengths can be used to produce fragmentation from which isomers can be…”
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11th GCC Closed Forum: cumulative stability; matrix stability; immunogenicity assays; laboratory manuals; biosimilars; chiral methods; hybrid LBA/LCMS assays; fit-for-purpose validation; China Food and Drug Administration bioanalytical method validation
Published in Bioanalysis (01-04-2018)“…The 11th Global CRO Council Closed Forum was held in Universal City, CA, USA on 3 April 2017. Representatives from international CRO members offering…”
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How Current Understanding of Clearance Mechanisms and Pharmacodynamics of Therapeutic Proteins Can Be Applied for Evaluation of Their Drug-Drug Interaction Potential
Published in Drug metabolism and disposition (01-10-2011)“…Increasing use of therapeutic proteins (TPs) in polypharmacy settings calls for more in-depth understanding of the biological interactions that can lead to…”
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Tissue bioanalysis of biotherapeutics and drug targets to support PK/PD
Published in Bioanalysis (01-11-2012)“…Contemporary drug discovery leverages quantitative modeling and simulation with increasing emphasis, both to gain deeper knowledge of drug targets and…”
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Ion fragmentation activated by matrix-assisted laser desorption/ionization in an ion-trap/reflectron time-of-flight device
Published in Rapid communications in mass spectrometry (01-05-1994)“…An ion-trap storage/reflectron time-of-flight mass spectrometer has been used to study the decay of large ions following activation by matrix-assisted laser…”
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11th GCC Closed Forum: cumulative stability; matrix stability; immunogenicity assays; laboratory manuals; biosimilars; chiral methods; hybrid LBA/LCMS assays; fit-for-purpose validation; China Food and Drug Administration bioanalytical method validation
Published in Bioanalysis (01-04-2018)“…The 11th Global CRO Council Closed Forum was held in Universal City, CA, USA on 3 April 2017. Representatives from international CRO members offering…”
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Activation and fragmentation of peptides in time-of-flight mass spectrometry using optical and non-optical ionization sources
Published 01-01-1994“…Four ionization sources, including electron impact (EI), vacuum ultraviolet (VUV), resonance-enhanced multiphoton ionization (REMPI), and matrix-assisted laser…”
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Dissertation