Lipid Annotation for LC-MS/MS DDA or DIA Data
Total number of carbons and double bounds
Coeluting fragments extraction
calculate coelution score between two peaks
Combine chain fragments that could belong to the same precursor.
Search for fragments of interest withing a list of coeluting fragments
Extract peaks from all msobjects in a msbatch.
Write features table based on groups
Get formula and neutral mass for annotated compounds
Obtain an inclusion list from the annotation results
mz match withing a vector of mz values
Calculate formula and mass of ceramides
Calculate formula and mass of ceramides phosphate
Calculate formula and mass of CL
Calculate formula and mass of DG
Calculate formula and mass of fatty acids
Calculate formula and mass of FAHFA
Calculate formula and mass of glucoceramides
Calculate formula and mass of hydroxi fatty acids
Calculate formula and mass of LPA
Calculate formula and mass of LPAo
Calculate formula and mass of LysoPC
Calculate formula and mass of LysoPCo
Calculate formula and mass of LysoPCp
Calculate formula and mass of LPE
Calculate formula and mass of LPEo
Calculate formula and mass of LPEp
Calculate formula and mass of LPG
Calculate formula and mass of LPI
Calculate formula and mass of LysoPS
Calculate formula and mass of MG
Calculate formula and mass of PA
Calculate formula and mass of PC
Calculate formula and mass of PCo
Calculate formula and mass of PCp
Calculate formula and mass of PE
Calculate formula and mass of plasmanyl PE
Calculate formula and mass of plasmenyl PE
Calculate formula and mass of PG
Calculate formula and mass of PI
Calculate formula and mass of PIP
Calculate formula and mass of PIP2
Calculate formula and mass of PIP3
Calculate formula and mass of PS
Calculate formula and mass of sphingomyelines
Calculate formula and mass of sphingoid bases
Calculate formula and mass of sphingoid phosphate bases
Calculate formula and mass of TG
EIC extraction based on previous partitions generated by partitioning
Creation of a database for FAHFA, DG and PL.
Sphyngomyelines (SM) annotation for ESI+
Sphingoid bases (Sph) annotation for ESI-
Sphingoid bases phosphate (SphP) annotation for ESI-
Sphingoid bases (Sph) annotation for ESI-
Sphingoid bases phosphate (SphP) annotation for ESI+
Triacylglycerols (TG) annotation for ESI+
Index partitions or clusters assigned during alignment.
Calculate max distance between clusters.
Summarize annotation results from an msbatch into the features table
Join fragments information when several peaks of the same fragment are...
LipidMS shiny app
Align samples from an msbatch
Annotate isotopes
Lipid annotation for an msbatch
Load LipidMS default data bases
Process several mzXML files (peakpicking and isotope annotation) and c...
Calculate formula and mass of acylceramides
Search of chain specific fragments
extract chains composition from a lipid name
Search of class fragments to confirm the lipid class.
Check intensity rules
Check intensity rules
Clustering for MS peaks based on mz or RT.
Customizable lipid DBs creator
Cross different candidates tables to remove false positives.
Cross the original MS1 peaklist with the annotation results
Process mzXML files individually: peakpicking and isotope annotation
Creation of a database for C.
Creation of a database for Carnitines, CE, FA, HFA, LPL, MG, sphingoid...
Creation of a database for Cer, CerP, GlcCer and SM
Creation of a database for TG.
MS/MS scan extraction of a precursor in DDA
Difference between two carbon:bounds structures
Fill peaks from a grouped msbatch
Presence or absence of an mz value within a vector of mz values
Remove low adduct supported candidates to avoid false positives.
Search of lipid candidates of a certain class
find lisnks between MS1 peaks and precursors selected for MS2 in DDA
Find candidate precursor from fullMS function
Group features from an msbatch
Acylceramides (AcylCer) annotation for ESI-
Acylceramides (AcylCer) annotation for ESI+
Bile Acids (BA) annotation for ESI-
Acylcarnitine annotation for ESI+
Cholesteryl Esters (CE) annotation for ESI+
Ceramides (Cer) annotation for ESI-
Ceramides phosphate (CerP) annotation for ESI-
Ceramides (Cer) annotation for ESI+
Ceramides phosphate (CerP) annotation for ESI+
Cardiolipines (CL) annotation for ESI-
Diacylglycerols (DG) annotation for ESI+
FAHFA annotation for ESI-
Fatty Acids (FA) annotation for ESI-
Lysophosphocholines (LPC) annotation for ESI-
Lysophosphocholines (LPC) annotation for ESI+
Lysophosphoethanolamines (LPE) annotation for ESI-
Lysophosphoethanolamines (LPE) annotation for ESI+
Lysophosphoglycerols (LPG) annotation for ESI-
Lysophosphoinositols (LPI) annotation for ESI-
Lysophosphoserines (LPS) annotation for ESI-
Monoacylglycerol (MG) annotation for ESI+
Calculate formula and mass of carnitines
Calculate formula and mass of cholesterol esthers
Lipids annotation for ESI-
Phosphocholines (PC) annotation for ESI-
Plasmanyl Phosphocholines (PCo) annotation for ESI-
Plasmanyl Phosphocholines (PCo) annotation for ESI+
Plasmenyl Phosphocholines (PCp) annotation for ESI-
Phosphocholines (PC) annotation for ESI+
Plasmenyl Phosphocholines (PCp) annotation for ESI+
Phosphoethanolamines (PE) annotation for ESI-
Plasmanyl Phosphoethanolamines (PEo) annotation for ESI-
Plasmanyl Phosphoethanolamines (PEo) annotation for ESI+
Plasmenyl Phosphoethanolamines (PEp) annotation for ESI-
Phosphoethanolamines (PE) annotation for ESI+
Plasmenyl Phosphoethanolamines (PEp) annotation for ESI+
Phosphoglycerols (PG) annotation for ESI-
Phosphoglycerols (PG) annotation for ESI+
Phosphoinositols (PI) annotation for ESI-
Phosphoinositols (PI) annotation for ESI+
Lipids annotation for ESI+
Phosphoserines (PS) annotation for ESI-
Sphingomyelines (SM) annotation for ESI-
Prepare output for LipidMS annotation functions
agglomarative partitioning for LC-HRMS data based on enviPick algorith...
peak-pick based on previous EIC clusters generated by clustering
EIC for all samples in a msbatch
Plot informative peaks for lipid annotation
TIC for all samples in a msbatch
Read mzXML file and initiate msobject
Correct RT based on a rtmodel.
Plot retention time deviation
Targeted isotopes search
Targeted isotopes search for msbatch
Check matches between chains composition and precursor structures
Create msbatch for batch processing.
Calculate total number of carbons and double bounds of lipid chains
Lipid annotation in untargeted LC-MS lipidomics based on fragmentation rules. Alcoriza-Balaguer MI, Garcia-Canaveras JC, Lopez A, Conde I, Juan O, Carretero J, Lahoz A (2019) <doi:10.1021/acs.analchem.8b03409>.