CID	Collision-induced dissociation (decay)
Ea	Activation (collision) energy
ESI	Electrospray ionization
eV	Electron volt
Gal	Galactose
Glc	Glucose
GlcN	Glucosamine
GlcNHR	N-substituted glucosamine
Hex	Hexose
HRMS	High-resolution mass spectrometry
IRL	Internal residue loss
M	Molecule, molecular mass (in Da)
min	Minute
mL	Milliliter
[M+H]+	Protonated molecule
[M+Met]+	Metallated molecule
[M+NH4]+	Ammoniated molecule
[M+Na]+	Sodiated molecule
MS	Mass spectrometry, mass spectrum
MS/MS	Tandem mass spectrometry (2nd order)
m/z	Mass to charge ratio
QqToF	Quadrupole time-of-flight mass hybrid spectrometer
V	Volt
µL	Microliter