Results 21 to 30 of about 56,044 (294)

Benchmarking Outlier Detection Methods for Detecting IEM Patients in Untargeted Metabolomics Data

open access: yesMetabolites, 2023
Untargeted metabolomics (UM) is increasingly being deployed as a strategy for screening patients that are suspected of having an inborn error of metabolism (IEM).
Michiel Bongaerts   +9 more
doaj   +1 more source

Application of UPLC-QTOF-MS Based Untargeted Metabolomics in Identification of Metabolites Induced in Pathogen-Infected Rice

open access: yesPlants, 2021
Metabolomics is a useful tool for comparing metabolite changes in plants. Because of its high sensitivity, metabolomics combined with high-resolution mass spectrometry (HR-MS) is the most widely accepted metabolomics tools. In this study, we compared the
Mira Oh   +4 more
doaj   +1 more source

Current Practice in Untargeted Human Milk Metabolomics [PDF]

open access: yesMetabolites, 2020
Human milk (HM) is considered the gold standard for infant nutrition. HM contains macro- and micronutrients, as well as a range of bioactive compounds (hormones, growth factors, cell debris, etc.). The analysis of the complex and dynamic composition of HM has been a permanent challenge for researchers.
Isabel Ten-Doménech   +7 more
openaire   +5 more sources

Spatially resolved sampling of the human oral cavity for metabolic profiling

open access: yesSTAR Protocols, 2021
Summary: Here, we present a spatially resolved sampling protocol for the oral human cavity aimed at untargeted metabolomics. We describe the spatial collection of salivary biospecimens, their preparation, and subsequent mass-spectrometry-based untargeted
Alessio Ciurli   +5 more
doaj   +1 more source

Promises and pitfalls of untargeted metabolomics [PDF]

open access: yesJournal of Inherited Metabolic Disease, 2018
AbstractMetabolomics is one of the newer omics fields, and has enabled researchers to complement genomic and protein level analysis of disease with both semi‐quantitative and quantitative metabolite levels, which are the chemical mediators that constitute a given phenotype.
Ilya Gertsman, Bruce A. Barshop
openaire   +2 more sources

Software Tools and Approaches for Compound Identification of LC-MS/MS Data in Metabolomics. [PDF]

open access: yes, 2018
The annotation of small molecules remains a major challenge in untargeted mass spectrometry-based metabolomics. We here critically discuss structured elucidation approaches and software that are designed to help during the annotation of unknown compounds.
Blaženović, Ivana   +3 more
core   +6 more sources

Simultaneous Quantitation and Discovery (SQUAD) Analysis: Combining the Best of Targeted and Untargeted Mass Spectrometry-Based Metabolomics

open access: yesMetabolites, 2023
Untargeted and targeted approaches are the traditional metabolomics workflows acquired for a wider understanding of the metabolome under focus. Both approaches have their strengths and weaknesses.
Bashar Amer   +2 more
doaj   +1 more source

Metabolomics-based biomarker discovery for bee health monitoring : a proof of concept study concerning nutritional stress in Bombus terrestris [PDF]

open access: yes, 2019
Bee pollinators are exposed to multiple natural and anthropogenic stressors. Understanding the effects of a single stressor in the complex environmental context of antagonistic/synergistic interactions is critical to pollinator monitoring and may serve ...
Meeus, Ivan   +5 more
core   +2 more sources

Plasticizer degradation by marine bacterial isolates : a proteogenomic and metabolomic characterization [PDF]

open access: yes, 2020
Many commercial plasticizers are toxic endocrine-disrupting chemicals that are added to plastics during manufacturing and may leach out once they reach the environment.
Bosch, Rafael   +3 more
core   +3 more sources

Optimized Analytical Procedures for the Untargeted Metabolomic Profiling of Human Urine and Plasma by Combining Hydrophilic Interaction (HILIC) and Reverse-Phase Liquid Chromatography (RPLC)-Mass Spectrometry. [PDF]

open access: yes, 2015
Profiling of body fluids is crucial for monitoring and discovering metabolic markers of health and disease and for providing insights into human physiology.
Contrepois, Kévin   +2 more
core   +1 more source

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