Mass Spectrometry II Core
The Lerner Research Institute (LRI) of the Cleveland Clinic Foundation (CCF) has established a Mass Spectrometry (MS) Core II facility, functioning as both an investigative Core and a service Core research facility. The main focus of this core is quantification of molecules in complex matrices and structural characterization of small compounds. The core is designed to meet the growing needs of investigators for development of analytical methods for detection and quantification of biomarkers in plasma, tissue and other biological materials.
The MS II Core, under the direction of Dr. Stanley Hazen, was made possible by the award of an instrument grant from the NIH.
The core manager, Dr. Renliang Zhang, has both biochemistry and analytical chemistry background and extensive HPLC and mass spectrometry experience.
Instrument time may be purchased on a fee-for-use basis by major and infrequent users, as outlined below. Expert technical assistance tailored to meet the needs of investigators in all aspects of studies can be provided (both for investigators who are novices or knowledgeable in mass spectrometry applications). This includes advice in methods of appropriate sample storage and preparation, and assistance in development and use of mass spectrometry or HPLC-based analyses of samples.
- Services
- Equipment
- Personnel
- F.A.Q.
- Quantitation of small molecule compounds/biomarkers in biological materials like plasma, urine and tissues
- Quantitation of drugs and Identification of their metabolites in biological materials
- Identification of novel compounds and their metabolites
- Development of analytical methods using LC, LC/MS and LC/MS/MS for Investigators
- Micromass Quattro Ultima triple quadrupole mass spectrometer equipped with ESI and APCI probes
- Waters Separation Module 2690 HPLC equipped with a Waters 996 Photodiode Array Detector and a 5 tray, 24 sample/tray autosampler. This instrument is interfaced with the Quattro Ultima
- Beckman Gold 126 HPLC equipped with a 96 samples autosampler, both a 168 Photodiode Array Detector and a Jasco FP-1520 fluorescence detector.
Stanley Hazen
- Stanley Hazen MD, PhD
- Scientific Director
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Phone:(216) 445-9763
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Renliang Zhang
- Renliang Zhang MD, PhD
- Manager
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Phone:(216) 445-0938 (core)
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Phone:(216)444-3136(office)
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Fax:(216) 636-0395
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Location:NE1-227
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- What is LC/MS?
These abbreviations stand for Liquid Chromatography/Mass Spectrometry, respectively. LC or HPLC is used for separation of substances and mass spectrometer used as a detector to detect the substance based on its mass to charge ratio (m/z). This technique is considered the most sensitive and accurate for the detection of substances.
- What is LC/MS/MS?
These abbreviations stand for Liquid Chromatography online Tandem Mass Spectrometry. There are two mass analyzers seating one after another in the mass spectrometer. LC/MS/MS is mainly used for small molecule quantitation because this technique is more specific and 10-100 times sensitive than LC/MS.
- Can substances (M.W. <2000) and drugs be quantified in biological samples like plasma/serum using LC/MS or LC/MS/MS?
Yes!
- Can novel substance in biological samples be identified using LC/MS/MS?
Yes if the quantity of the substance is enough in biological samples!
- Can protein or peptide molecular weight be analyzed in this core?
Yes!
- Can protein/peptide sequences or protein modification be analyzed in this core?
No because there are no nano-LC and software in this core to support this kind of analysis.