AIMC Topic: Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
Clear Filters Showing 81 to 90 of 104 articles
Salivary metabolomics with alternative decision tree-based machine learning methods for breast cancer discrimination.
Breast cancer research and treatment
Jul 8, 2019
PURPOSE: The aim of this study is to explore new salivary biomarkers to discriminate breast cancer patients from healthy controls.
Rapid discrimination of multiple myeloma patients by artificial neural networks coupled with mass spectrometry of peripheral blood plasma.
Scientific reports
May 28, 2019
Multiple myeloma (MM) is a highly heterogeneous disease of malignant plasma cells. Diagnosis and monitoring of MM patients is based on bone marrow biopsies and detection of abnormal immunoglobulin in serum and/or urine. However, biopsies have a singl...
Humans
Neural Networks, Computer
Artificial Intelligence
Female
Principal Component Analysis
Metabolic Networks and Pathways
Bone Marrow
Multiple Myeloma
Datasets as Topic
Immunoglobulins
Middle Aged
Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
Case-Control Studies
Metabolome
Aged
Aged, 80 and over
Male
Anticancer Drug Affects Metabolomic Profiles in Multicellular Spheroids: Studies Using Mass Spectrometry Imaging Combined with Machine Learning.
Analytical chemistry
Apr 15, 2019
Multicellular spheroids (hereinafter referred to as spheroids) are 3D biological models. The metabolomic profiles inside spheroids provide crucial information reflecting the molecular phenotypes and microenvironment of cells. To study the influence o...
MALDI-Imaging for Classification of Epithelial Ovarian Cancer Histotypes from a Tissue Microarray Using Machine Learning Methods.
Proteomics. Clinical applications
Dec 14, 2018
PURPOSE: Precise histological classification of epithelial ovarian cancer (EOC) has immanent diagnostic and therapeutic consequences, but remains challenging in histological routine. The aim of this pilot study is to examine the potential of matrix-a...
Discrimination of contagious and environmental strains of Streptococcus uberis in dairy herds by means of mass spectrometry and machine-learning.
Scientific reports
Nov 30, 2018
Streptococcus uberis is one of the most common pathogens of clinical mastitis in the dairy industry. Knowledge of pathogen transmission route is essential for the selection of the most suitable intervention. Here we show that spectral profiles acquir...
Evaluation of the VITEK MS knowledge base version 3.0 for the identification of clinically relevant Mycobacterium species.
Emerging microbes & infections
Jul 4, 2018
Different Mycobacterium spp. infections may indicate varied treatment regimens in the clinic. Thus, the species-level identification of Mycobacterium spp. is one of the most important tasks for a clinical microbiology laboratory. Although matrix-assi...
A new scheme for strain typing of methicillin-resistant Staphylococcus aureus on the basis of matrix-assisted laser desorption ionization time-of-flight mass spectrometry by using machine learning approach.
PloS one
Mar 13, 2018
Methicillin-resistant Staphylococcus aureus (MRSA), one of the most important clinical pathogens, conducts an increasing number of morbidity and mortality in the world. Rapid and accurate strain typing of bacteria would facilitate epidemiological inv...
Validation of a novel automatic deposition of bacteria and yeasts on MALDI target for MALDI-TOF MS-based identification using MALDI Colonyst robot.
PloS one
Dec 29, 2017
Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) -based identification of bacteria and fungi significantly changed the diagnostic process in clinical microbiology. We describe here a novel technique for bact...
Rapid characterization of metabolites in soybean using ultra high performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometry (UPLC-ESI-Q-TOF-MS/MS) and screening for α-glucosidase inhibitory and antioxidant properties through different solvent systems.
Journal of food and drug analysis
Jun 15, 2017
This work was the first to investigate on the simultaneous characterization of metabolite profiles in soybean using UPLC-ESI-Q-TOF-MS/MS. Twenty two compositions were observed within 14 min from the methanol extract and confirmed as twelve isoflavone...
Chromatography, High Pressure Liquid
Isoflavones
Tandem Mass Spectrometry
Glycoside Hydrolase Inhibitors
Metabolome
Spectrometry, Mass, Electrospray Ionization
Antioxidants
Glycine max
Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
Phytochemicals
Plant Extracts
Solvents
Metabolomics
Molecular Structure
MIL-101(Cr) as matrix for sensitive detection of quercetin by matrix-assisted laser desorption/ionization mass spectrometry.
Talanta
Nov 21, 2016
Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) has been proven as a useful and advanced technique in the identification of polymers and proteins. However, MALDI-TOF-MS still has the unavoidable drawback of...
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