extractLOBdbasedata {LOBSTAHS} | R Documentation

## Extract compound data from a LOBdbase

### Description

Extracts data from a LOBSTAHS `LOBdbase-class` object for a given molecular species.

### Usage

    extractLOBdbasedata(frag_ID, database)

### Arguments

`frag_ID` | The LOBdbase fragment ID(s) corresponding to the species for which data should be extracted.
`database` | The `LOBdbase` from which data are to be extracted.

### Value

A data frame containing the extracted data, with field names corresponding to the slots in `database`.

### Author(s)

James Collins, james.r.collins@aya.yale.edu

### References

Collins, J.R., B.R. Edwards, H.F. Fredricks, and B.A.S. Van Mooy. 2016. LOBSTAHS: An adduct-based lipidomics strategy for discovery and identification of oxidative stress biomarkers. Analytical Chemistry 88:7154-7162

### See Also

`LOBdbase`, `LOBdbase` `loadLOBdbase`, `generateLOBdbase`, `default.LOBdbase`

### Examples

    ## extract data from the default database for the [M+H]+ adduct of
    ## dinitrophenyl-phosphatidylethanolamine (DNPPE), a synthetic lipid used as an
    ## internal standard

    data(default.LOBdbase)

    DNPPE.data = extractLOBdbasedata(frag_ID = 19801,
                                     database = default.LOBdbase$positive)

[Package LOBSTAHS version 1.6.0 Index]