nlsphdb {LipidMS}

Neutral losses db for sphingoid bases. It is employed by idCerneg function.

Description

In silico generated database for neutral losses of sphingoid bases in ESI-.

Usage

data("nlsphdb")

Format

Data frame with 4 observations and the following 3 variables.

formula

character vector containing molecular formulas.

total

character vector indicating the total number of carbons and double bounds of the chains.

Mass

numeric vector with the neutral masses.