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  1. No Access

    Protocol

    Liquid Chromatography-Tandem Mass Spectrometry-Based Therapeutic Monitoring of Plasma Atovaquone Concentrations in Pediatric Patients

    Atovaquone is an FDA-approved antiparasitic and antifungal therapeutic that is currently used as a prophylactic agent to prevent Pneumocystis carinii pneumonia (PCP) infections in acute myeloid leukemia (AML) pat...

    Thomas D. Horvath, Sridevi Devaraj in Clinical Applications of Mass Spectrometry… (2024)

  2. Article

    Open Access

    Addressing barriers in FAIR data practices for biomedical data

    Laura D. Hughes, Ginger Tsueng, Jack DiGiovanna, Thomas D. Horvath in Scientific Data (2023)

  3. No Access

    Article

    Interrogation of the mammalian gut–brain axis using LC–MS/MS-based targeted metabolomics with in vitro bacterial and organoid cultures and in vivo gnotobiotic mouse models

    Interest in the communication between the gastrointestinal tract and central nervous system, known as the gut–brain axis, has prompted the development of quantitative analytical platforms to analyze microbe- a...

    Thomas D. Horvath, Sigmund J. Haidacher, Melinda A. Engevik in Nature Protocols (2023)

  4. Article

    Open Access

    The metabolic profile of Bifidobacterium dentium reflects its status as a human gut commensal

    Bifidobacteria are commensal microbes of the mammalian gastrointestinal tract. In this study, we aimed to identify the intestinal colonization mechanisms and key metabolic pathways implemented by Bifidobacterium ...

    Melinda A. Engevik, Heather A. Danhof, Anne Hall, Kristen A. Engevik in BMC Microbiology (2021)

  5. Article

    Open Access

    Enteral Activation of WR-2721 Mediates Radioprotection and Improved Survival from Lethal Fractionated Radiation

    Unresectable pancreatic cancer is almost universally lethal because chemotherapy and radiation cannot completely stop the growth of the cancer. The major problem with using radiation to approximate surgery in ...

    Jessica M. Molkentine, Tara N. Fujimoto, Thomas D. Horvath in Scientific Reports (2019)

  6. No Access

    Article

    Measurement of 3-hydroxyisovaleric acid in urine from marginally biotin-deficient humans by UPLC-MS/MS

    Measurement of 3-hydroxyisovaleric acid (3HIA) in human urine has been shown to be a useful indicator of biotin status for a variety of clinical situations, including pregnancy. The work described herein prese...

    Thomas D. Horvath, Nell I. Matthews in Analytical and Bioanalytical Chemistry (2011)