Core Campus Mass Spectrometry Facility
This facility is located in the Avera Health and Science Center as part of the Department of Chemistry and Biochemistry on the laboratory and research side of the building. The equipment is available to university staff and students as well as to the general public for a fee.
For availability and questions, please contact Brian Logue.
Rates
| Instrument/Category | SDSU | Academic-non SDSU | Industry |
|---|---|---|---|
| QTRAP | $20/hr. | $40/hr. | $80/hr. |
| MALDI-TOF | $30/hr. | $80/hr. | $160/hr. |
| LTQ | $15/hr. | $30/hr. | $60/hr. |
| *MS Facility Personnel Time | $100/hr. | $150/hr. | $300/hr. |
*MS Facility Personnel Time encompasses requested activities specific to individual users, including face-to-face training, mobile phase preparation, column preparation, sequence setup, sample preparation, method development consultation and other user-requested services which require MS facility personnel time. This does not include troubleshooting, preventative maintenance, etc.
Equipment
Shimadzu UHPLC-AB SCIEX QTRAP 5500 Mass Spectrometer System
Specifications
- Mass Range: m/z 5-1,250
- Resolution (m/Δm): 2,000
- Accuracy: 1 ppm
- Scan Speed: 20,000 Da/s
- Polarity switching in 50 ms
- Ionization Source: Electrospray Ionization
- Mass Analyzer: Triple Quadrupole
Common Applications
- Fast LC/MS
- Metabolite Identification
- Detection and confirmation of low level pesticides
- Protein/peptide quantitation for biomarker verification and validation
- Ultra-fast and selective MRM scans mean you can target and quantify thousands of compounds in a single analysis
Bruker BIFLEX IV MALDI-TOF
Specifications
- Mass Range: m/z 500-1,000,000
- Resolution (m/Δm): 5,000 (linear mode), 20,000 (reflectron mode)
- Accuracy: 200 ppm (linear mode), 10 ppm (reflectron mode)
- 337 nm Laser
- Ionization Source: Matrix-assisted laser desorption ionization (MALDI)
- Mass Analyzer: Time of flight (TOF)
Common Applications
- Characterization of biopolymers (proteins, protein digests and oligonucleotides)
- Organometallic complexes
- Some synthetic polymers
- Molecules that photoionize upon radiation by 337 nm laser
- Labile molecules
Eksigent NanoLC-ThermoFisher LTQ Mass Spectrometer System
Specifications
- Mass Range: m/z 150-2,000
- Resolution (m/Δm): 4,000
- Accuracy: 100 ppm
- Ionization Source: Electrospray Ionization (ESI)
- Mass Analyzer: Linear Ion Trap
Common Applications
- High-speed LCMS
- Proteomics/metabolomics
- Structural elucidation
- Protein identification and quantitative differential expression analysis
- Biomarker studies and post-translation modification identification
- Metabolite identification and quantification
