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Clin Biochem Rev. 2009 Feb;30(1):19-34.

Principles and applications of liquid chromatography-mass spectrometry in clinical biochemistry.

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VCGS Pathology, Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne, Vic. 3052, Australia.


Liquid chromatography-mass spectrometry (LC-MS) is now a routine technique with the development of electrospray ionisation (ESI) providing a simple and robust interface. It can be applied to a wide range of biological molecules and the use of tandem MS and stable isotope internal standards allows highly sensitive and accurate assays to be developed although some method optimisation is required to minimise ion suppression effects. Fast scanning speeds allow a high degree of multiplexing and many compounds can be measured in a single analytical run. With the development of more affordable and reliable instruments, LC-MS is starting to play an important role in several areas of clinical biochemistry and compete with conventional liquid chromatography and other techniques such as immunoassay.


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