Results 21 to 30 of about 5,403 (145)

HILIC-UPLC-MS for high throughput and isomeric N-glycan separation and characterization in Congenital Disorders Glycosylation and human diseases

open access: yesGlycoconjugate Journal, 2020
N-glycan analyses may serve uncovering disease-associated biomarkers, as well as for profiling distinctive changes supporting diagnosis of genetic disorders of glycan biosynthesis named congenital disorders of glycosylation (CDG). Strategies based on liquid chromatography (LC) preferentially coupled to electrospray ionization (ESI) - mass spectrometry (
Angela Messina   +8 more
openaire   +5 more sources

Phosphocyclocreatine is the dominant form of cyclocreatine in control and creatine transporter deficiency patient fibroblasts

open access: yesPharmacology Research & Perspectives, 2019
Creatine transporter deficiency (CTD) is a metabolic disorder resulting in cognitive, motor, and behavioral deficits. Cyclocreatine (cCr), a creatine analog, has been explored as a therapeutic strategy for the treatment of CTD.
Kirill Gorshkov   +13 more
doaj   +1 more source

Determination of atmospheric organosulfates using HILIC chromatography with MS detection [PDF]

open access: yesAtmospheric Measurement Techniques, 2015
Measurements of organosulfates in ambient aerosols provide insight to the extent of secondary organic aerosol (SOA) formation from mixtures of biogenic gases and anthropogenic pollutants.
A. P. S. Hettiyadura   +6 more
doaj   +1 more source

Establishment and Optimization of an Untargeted Metabolomics Method for the Analysis of Breast Milk Based on Ultra-high Performance Liquid Chromatography Quadrupole Time-of-Flight Mass Spectrometry [PDF]

open access: yesShipin Kexue
In this study, an untargeted metabolomics method for the analysis of breast milk samples from different lactation stages was established using ultra-high performance liquid chromatography quadrupole time-of-flight mass spectrometry (UPLC-QTOF-MS).
JING Mengna, FU Jieyu, ZHAO Junying, LIU Yanpin, QIAO Weicang, CHEN Lijun
doaj   +1 more source

The Neuroinflammatory Phenotype in a Mouse Model of Gulf War Illness is Unrelated to Brain Regional Levels of Acetylcholine as Measured by Quantitative HILIC-UPLC-MS/MS [PDF]

open access: yesToxicological Sciences, 2018
Many veterans of the 1991 Persian Gulf War (GW) returned with a chronic multisymptom illness that has been termed Gulf War Illness (GWI). Previous GWI studies have suggested that exposure to acetylcholinesterase inhibitors (AChEIs) in theater, such as sarin and/or pesticides, may have contributed to the symptomatology of GWI.
Julie V Miller   +7 more
openaire   +2 more sources

Comparative HILIC-UPLC analysis of immunoglobulin G N-glycome from saliva and plasma [PDF]

open access: yes, 2022
Immunoglobulin G (IgG) is the most abundant antibody in the blood and plays a critical role in host immune defence against infectious pathogens. IgG glycosylation is known to modulate IgG effector functions and is involved in the development and progression of disease.
Radovani Trbojević, Barbara   +2 more
openaire  

Fine-Mapping of the Human Blood Plasma N-Glycome onto Its Proteome

open access: yesMetabolites, 2019
Most human proteins are glycosylated. Attachment of complex oligosaccharides to the polypeptide part of these proteins is an integral part of their structure and function and plays a central role in many complex disorders.
Karsten Suhre   +7 more
doaj   +1 more source

Minimal B Cell Extrinsic IgG Glycan Modifications of Pro- and Anti-Inflammatory IgG Preparations in vivo

open access: yesFrontiers in Immunology, 2020
Select residues in the biantennary sugar moiety attached to the fragment crystallizable of immunoglobulin G (IgG) antibodies can modulate IgG effector functions.
Anja Schaffert   +15 more
doaj   +1 more source

Determination of Carrageenan in Livestock and Poultry Meat by Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry

open access: yesInternational Journal of Analytical Chemistry, 2021
Ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) has become the main method for the detection and analysis of food additives because of its good separation, high selectivity, and high sensitivity.
Yanqin Sun   +3 more
doaj   +1 more source

Rapid determination of matrine and oxymatrine in honey

open access: yesShipin yu jixie, 2022
Objective: This study aimed to establish a new method for the determination of matrine and oxymatrine in honey by UPLC-MS/MS. Methods: The honey was dissolved in water, and the liquid-liquid extraction pretreatment technology was adopted.
JING Hui-hua   +5 more
doaj   +1 more source

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