Search Results - "GODEJOHANN, Markus"
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Hydrophilic interaction chromatography coupled to nuclear magnetic resonance spectroscopy and mass spectroscopy—A new approach for the separation and identification of extremely polar analytes in bodyfluids
Published in Journal of Chromatography A (13-07-2007)“…A method for the unambiguous identification of highly polar molecules based on the separation on a silica gel column run in hydrophilic interaction…”
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Chemical Composition of Fat Bloom on Chocolate Products Determined by Combining NMR and HPLC-MS
Published in Molecules (Basel, Switzerland) (26-06-2024)“…To reduce unwanted fat bloom in the manufacturing and storage of chocolates, detailed knowledge of the chemical composition and molecular mobility of the oils…”
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Journal Article -
3
Metagenomic natural product discovery in lichen provides evidence for a family of biosynthetic pathways in diverse symbioses
Published in Proceedings of the National Academy of Sciences - PNAS (13-08-2013)“…Bacteria are a major source of natural products that provide rich opportunities for both chemical and biological investigation. Although the vast majority of…”
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Journal Article -
4
Phenylketonuria (PKU) Urinary Metabolomic Phenotype Is Defined by Genotype and Metabolite Imbalance: Results in 51 Early Treated Patients Using Ex Vivo 1H-NMR Analysis
Published in Molecules (Basel, Switzerland) (22-06-2023)“…Phenylketonuria (PKU) is a rare metabolic disorder caused by mutations in the phenylalanine hydroxylase gene. Depending on the severity of the genetic…”
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Journal Article -
5
Screening for Triterpenoid Saponins in Plants Using Hyphenated Analytical Platforms
Published in Molecules (Basel, Switzerland) (24-11-2016)“…Recently the number of studies investigating triterpenoid saponins has drastically increased due to their diverse and potentially attractive biological…”
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Journal Article -
6
Identification of the metabolites of ivermectin in humans
Published in Pharmacology research & perspectives (01-02-2021)“…Mass drug administration of ivermectin has been proposed as a possible malaria elimination tool. Ivermectin exhibits a mosquito‐lethal effect well beyond its…”
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Journal Article -
7
High-Resolution Quantitative Metabolome Analysis of Urine by Automated Flow Injection NMR
Published in Analytical chemistry (Washington) (18-06-2013)“…Metabolism is essential to understand human health. To characterize human metabolism, a high-resolution read-out of the metabolic status under various…”
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Journal Article -
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Metabolic Profiling Framework for Discovery of Candidate Diagnostic Markers of Malaria
Published in Scientific reports (26-09-2013)“…Despite immense efforts to combat malaria in tropical and sub-tropical regions, the potency of this vector-borne disease and its status as a major driver of…”
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Journal Article -
9
Characterization of a paracetamol metabolite using on-line LC-SPE-NMR-MS and a cryogenic NMR probe
Published in Journal of Chromatography A (26-11-2004)“…In this study, the hyphenation of LC-SPE-NMR-MS at 500 MHz was applied to the structural elucidation of a low concentrated paracetamol metabolite present in…”
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Journal Article -
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LC-DAD-MS/SPE-NMR Hyphenation. A Tool for the Analysis of Pharmaceutically Used Plant Extracts: Identification of Isobaric Iridoid Glycoside Regioisomers from Harpagophytum procumbens
Published in Analytical chemistry (Washington) (01-02-2005)“…LC-DAD-MS monitored fractionation of a Harpagophytum procumbens DC. (Pedaliaceae) root extract was combined with a hyphenated LC-DAD-MS/SPE-NMR technique, thus…”
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Journal Article -
11
Fungal Biotransformation Products of Dehydroabietic Acid
Published in Journal of natural products (Washington, D.C.) (01-02-2007)“…Dehydroabietic acid (DHA) (1) is one of the main compounds in Scots pine wood responsible for aquatic and microbial toxicity. The degradation of 1 by Trametes…”
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Journal Article -
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Identification of tentative marker in Corvina and Primitivo wines with CMC‐se
Published in Magnetic resonance in chemistry (01-06-2018)“…This paper introduces CMC‐se—a program for computer‐assisted structure elucidation. In the experimental part, the combination of modern analytical methods…”
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Journal Article -
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Characterization of Asphaltenes Precipitated at Different Solvent Power Conditions Using Atmospheric Pressure Photoionization (APPI) and Laser Desorption Ionization (LDI) Coupled to Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (FT-ICR MS)
Published in Energy & fuels (15-03-2018)“…In the present work, asphaltenes obtained using different n-heptane/crude oil ratios (HCORs) were analyzed using atmospheric pressure photoionization (APPI)…”
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Separation and identification of a complex flurbiprofen-polyethylene glycol mono- and diester mixture via a hyphenated HPLC-DAD-HRMS/SPE NMR system
Published in Journal of pharmaceutical and biomedical analysis (05-01-2023)“…We report the use of a hyphenated HPLC-DAD(diode array detector)-HRMS/SPE NMR system for the separation and isolation of a complex mixture of esters,…”
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Journal Article -
15
Phenylketonuria Urinary Metabolomic Phenotype Is Defined by Genotype and Metabolite Imbalance: Results in 51 Early Treated Patients Using Ex Vivo [sup.1]H-NMR Analysis
Published in Molecules (Basel, Switzerland) (01-06-2023)“…Phenylketonuria (PKU) is a rare metabolic disorder caused by mutations in the phenylalanine hydroxylase gene. Depending on the severity of the genetic…”
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Journal Article -
16
Non-targeted analysis of wastewater treatment plant effluents by high performance liquid chromatography–time slice-solid phase extraction-nuclear magnetic resonance/time-of-flight-mass spectrometry
Published in Journal of Chromatography A (23-12-2011)“…► We describe an approach for the completely non-targeted analysis of complex mixtures based on the universal response of proton detected nuclear magnetic…”
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Journal Article -
17
Metabolomics of B to Plasma Cell Differentiation
Published in Journal of proteome research (02-09-2011)“…When small B lymphocytes bind antigen in the context of suitable signals, a profound geno-proteomic metamorphosis is activated that generates…”
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Journal Article -
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Formation of a Thiol–Ene Addition Product of Asthma Medication Montelukast Caused by a Widespread Tin-Based Thermal Stabilizer
Published in Chemical research in toxicology (21-12-2020)“…We report the formation and characterization of two diastereomeric thiol–ene addition products of the asthma medication Montelukast within chewing tablets…”
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Journal Article -
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Identification of potential interferents of methylmalonic acid: A previously unrecognized pitfall in clinical diagnostics and newborn screening
Published in Clinical biochemistry (01-01-2023)“…•Interferents of methylmalonic acid can lead to invalid diagnoses in clinical assays.•Samples from patients with propionic and methylmalonic acidurias were…”
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Journal Article -
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NMR spectroscopy of wastewater: A review, case study, and future potential
Published in Progress in nuclear magnetic resonance spectroscopy (01-10-2021)“…[Display omitted] •Wastewater composition has implications for environmental and human health.•NMR is incredibly powerful for studying molecular structure and…”
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